What is the cheapest airline that flies from Washington, D.C. Reagan-National to Ottawa?

Air Canada is the most popular carrier operating from Washington, D.C. Reagan-National to Ottawa

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport?

Prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport were last updated today.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ottawa Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$145 Cheap Flights from Washington, D.C. Reagan-National Airport to Ottawa in 2026/27

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Ottawa on average per week?

14 flights are operational weekly from Washington, D.C. Reagan-National Airport to Ottawa as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Ottawa on average per day?

The number of flights available between Washington, D.C. Reagan-National Airport and Ottawa is 2 per day as of September 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 am - 5:35 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

10h 36m1 stop Toronto Pearson Intl

6:25 pm - 8:55 amYOW Ottawa-DCA Washington, D.C. Reagan-National

14h 30m1 stop Toronto Pearson Intl

$354Multiple Airlines

Thu, Oct 15 - Sun, Oct 18

6:00 am - 10:21 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 21m1 stop Montreal Pierre Elliott Trudeau Intl

5:50 pm - 9:50 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 00m1 stop Montreal Pierre Elliott Trudeau Intl

$359Air Canada

Thu, Oct 22 - Sat, Oct 24

6:00 am - 5:35 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

11h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

6:25 pm - 8:55 amYOW Ottawa-DCA Washington, D.C. Reagan-National

14h 30m1 stop Toronto Pearson Intl

$359Multiple Airlines

Thu, Oct 15 - Sun, Oct 18

4:00 pm - 12:44 amDCA Washington, D.C. Reagan-National-YOW Ottawa

8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:45 am - 10:29 amYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 44m1 stop Montreal Pierre Elliott Trudeau Intl

$359Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

11:05 am - 3:57 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 52m1 stop Montreal Pierre Elliott Trudeau Intl

9:00 am - 3:24 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

6h 24m1 stop Montreal Pierre Elliott Trudeau Intl

$367Air Canada

Wed, Oct 28 - Wed, Nov 4

6:00 am - 10:18 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 18m1 stop Montreal Pierre Elliott Trudeau Intl

2:00 pm - 6:15 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 15m1 stop Toronto Pearson Intl

$372Air Canada

Fri, Oct 16 - Sun, Oct 18

6:55 pm - 12:20 amDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 25m1 stop Toronto Pearson Intl

6:50 am - 7:59 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

13h 09m1 stop Toronto Pearson Intl

$389Multiple Airlines

Sat, Oct 10 - Mon, Oct 12

3:30 pm - 9:16 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 46m1 stop Chicago O'Hare Intl

6:00 am - 10:24 amYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 24m1 stop Newark

$540United Airlines

Fri, Nov 6 - Sun, Nov 8

10:40 am - 10:35 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

11h 55m1 stop Newark

5:20 pm - 8:54 amYOW Ottawa-DCA Washington, D.C. Reagan-National

15h 34m1 stop Chicago O'Hare Intl

$581United Airlines

Sat, Oct 10 - Mon, Oct 12

9:05 am - 1:11 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 06m1 stop Newark

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$594United Airlines

Mon, Nov 23 - Wed, Nov 25

Cheap last minute flights

Enter your travel dates to find the best prices.

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$571Air Canada

Wed, Sep 16 - Wed, Sep 23

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

3:10 pm - 9:59 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

6h 49m1 stop Newark

$599Air Canada

Wed, Sep 16 - Wed, Sep 23

6:59 am - 11:15 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 16m1 stop Toronto Pearson Intl

9:05 am - 3:40 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

6h 35m1 stop Montreal Pierre Elliott Trudeau Intl

$599Air Canada

Sat, Sep 19 - Mon, Sep 21

6:59 am - 1:10 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

6h 11m1 stop Toronto Pearson Intl

11:10 am - 3:40 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$599Air Canada

Sat, Sep 19 - Mon, Sep 21

8:40 pm - 1:35 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 55m1 stop Toronto Pearson Intl

6:10 pm - 10:34 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

4h 24m1 stop Toronto Pearson Intl

$604Air Canada

Fri, Sep 18 - Mon, Sep 21

7:00 pm - 3:07 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

20h 07m1 stop Fort Lauderdale

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$774Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

3:00 pm - 8:00 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 00m1 stop Toronto Pearson Intl

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$829American Airlines

Wed, Sep 16 - Tue, Sep 22

6:09 am - 2:55 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

8h 46m2 stops Charlotte Douglas Toronto Pearson Intl

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$839American Airlines

Wed, Sep 16 - Tue, Sep 22

5:00 am - 2:55 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

9h 55m2 stops Charlotte Douglas Toronto Pearson Intl

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$839American Airlines

Wed, Sep 16 - Sun, Sep 20

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$1,396United Airlines

Fri, Sep 18 - Sun, Sep 20

Cheap direct flights

Enter your travel dates to find the best prices.

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$450Air Canada

Thu, Jan 28 - Sun, Jan 31

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$450Air Canada

Wed, Jan 13 - Sun, Jan 17

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$533Air Canada

Wed, Oct 28 - Wed, Nov 4

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$547Air Canada

Sat, Nov 7 - Sun, Nov 8

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$547Air Canada

Wed, Oct 21 - Sat, Oct 24

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$648United Airlines

Thu, Oct 22 - Sat, Oct 24

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$652United Airlines

Wed, Nov 4 - Sat, Nov 7

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$652United Airlines

Fri, Nov 6 - Sun, Nov 8

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$688Lufthansa

Sat, Oct 10 - Mon, Oct 12

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$701United Airlines

Thu, Oct 15 - Sun, Oct 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets

Air Canada

Oct 28

DCA11:05 amWashington, D.C. Reagan-National

4h 52m

1 stop

YOW3:57 pmOttawa

Nov 4

YOW9:00 amOttawa

6h 24m

1 stop

DCA3:24 pmWashington, D.C. Reagan-National

$367

Air Canada

Oct 16

DCA6:00 amWashington, D.C. Reagan-National

4h 18m

1 stop

YOW10:18 amOttawa

Oct 18

YOW2:00 pmOttawa

4h 15m

1 stop

DCA6:15 pmWashington, D.C. Reagan-National

$372

Air Canada

Oct 28

DCA4:00 pmWashington, D.C. Reagan-National

6h 32m

1 stop

YOW10:32 pmOttawa

Nov 4

YOW10:30 amOttawa

1h 49m

DCA12:19 pmWashington, D.C. Reagan-National

$416

Porter Airlines flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Porter Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets

Porter Airlines

Sep 16

DCA11:56 amWashington, D.C. Reagan-National

20h 09m

1 stop

YOW8:05 amOttawa

Sep 21

YOW10:00 amOttawa

6h 04m

1 stop

DCA4:04 pmWashington, D.C. Reagan-National

$907

Porter Airlines

Sep 16

DCA11:56 amWashington, D.C. Reagan-National

8h 04m

1 stop

YOW8:00 pmOttawa

Sep 22

YOW7:00 amOttawa

5h 44m

1 stop

DCA12:44 pmWashington, D.C. Reagan-National

$914

Porter Airlines

Sep 16

DCA11:56 amWashington, D.C. Reagan-National

8h 04m

1 stop

YOW8:00 pmOttawa

Sep 23

YOW10:00 amOttawa

6h 04m

1 stop

DCA4:04 pmWashington, D.C. Reagan-National

$917

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 10/15

6:59 am-5:35 pm

1 stop10h 36m

Ottawa

Sun 10/18

6:25 pm-8:55 am

1 stop14h 30m

$354

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 10/22

6:00 am-10:21 am

1 stop4h 21m

Ottawa

Sat 10/24

5:50 pm-9:50 pm

1 stop4h 00m

$359

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 10/15

6:00 am-5:35 pm

2 stops11h 35m

Ottawa

Sun 10/18

6:25 pm-8:55 am

1 stop14h 30m

$359

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Wed 10/28

4:00 pm-12:44 am

2 stops8h 44m

Ottawa

Wed 11/4

5:45 am-10:29 am

1 stop4h 44m

$359

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Wed 10/28

11:05 am-3:57 pm

1 stop4h 52m

Ottawa

Wed 11/4

9:00 am-3:24 pm

1 stop6h 24m

$367

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 10/16

6:00 am-10:18 am

1 stop4h 18m

Ottawa

Sun 10/18

2:00 pm-6:15 pm

1 stop4h 15m

$372

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 10/10

6:55 pm-12:20 am

1 stop5h 25m

Ottawa

Mon 10/12

6:50 am-7:59 pm

1 stop13h 09m

$389

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 11/6

3:30 pm-9:16 pm

1 stop5h 46m

Ottawa

Sun 11/8

6:00 am-10:24 am

1 stop4h 24m

$540

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 10/10

10:40 am-10:35 pm

1 stop11h 55m

Ottawa

Mon 10/12

5:20 pm-8:54 am

1 stop15h 34m

$581

Quickest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Mon 11/23

9:05 am-1:11 pm

1 stop4h 06m

Ottawa

Wed 11/25

10:30 am-12:19 pm

Nonstop1h 49m

$594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ottawa?

In general, August is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $377. The month of March is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $424.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Ottawa is on a Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $470. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $567.

What is the cheapest time of day to depart on your flight to Ottawa?

In the morning is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Ottawa when you can find flight prices for as low as $486. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $983 on average. Flights to Ottawa from Washington, D.C. Reagan-National Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. Reagan-National to Ottawa flight route?

Fly from Washington, D.C. Reagan-National to Ottawa for the best Washington, D.C. Reagan-National - Ottawa flight prices

What cabin class options are available on Washington, D.C. Reagan-National Airport to Ottawa flights?

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National Airport to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Ottawa flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Ottawa.

How have Washington, D.C. Reagan-National Airport to Ottawa flight prices changed over time?

As of September 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 15% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Ottawa according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Ottawa (DCA to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Ottawa

Best Price Found	$145
Fastest flight time	1h 32m
Direct flights	Every day
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Washington, D.C. Reagan-National Airport in the past 72 hours is $145. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is $354.

The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 32m

Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa every day.

There is 1 airport in Ottawa. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ottawa

How far is Washington, D.C. Reagan-National to Ottawa by plane?
There are 458.3 mi between Washington, D.C. Reagan-National and Ottawa. Flights usually cover this in 1h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport?
The number of operators available for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport is 2 as of September 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. Reagan-National Airport to Ottawa?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Ottawa, the leading plane model is Embraer 175 (Enhanced Winglets), making up 28.47% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 23.78%, Canadair (Bombardier) Regional Jet 900 with 20.72%, and Boeing 737 MAX 8 with 4.14%.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Ottawa?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Reagan-National Airport to Ottawa is Air Canada (86% of total bookings). The next most popular airline is United Airlines (14%).

Best airlines flying from Washington, D.C. Reagan-National Airport to Ottawa

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $187	Free Cancellation	Rating 7.1 11,630 reviews		Search Air Canada flights
United Airlines	PriceFrom $201	Free Cancellation	Rating 7.4 10,209 reviews		Search United Airlines flights

United Airlines Flights From Washington, D.C. Reagan-National Airport to Ottawa
United Airlines operates around 6 flights from Washington, D.C. Reagan-National Airport to Ottawa every week. The average price of these flights found in the last 72 hours has been $567, but momondo users have found United Airlines deals from Washington, D.C. Reagan-National Airport to Ottawa from as low as $201 round-trip. United Airlines has been scored 7.4/10 in 10,209 reviews.
Air Canada Flights From Washington, D.C. Reagan-National Airport to Ottawa
Air Canada (7.1/10 from 11,630 reviews) operates around 6 flights from Washington, D.C. Reagan-National Airport to Ottawa in any given week. The average Air Canada airfare for this route is around $490, with deals from around $187 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. Reagan-National Airport to Ottawa flight searches in the last 72 hours.

Gatineau

Brockville

Pembroke

Petawawa

Calabogie

Smiths Falls

Perth

Prescott

Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ottawa?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ottawa for you.

Can I find flights from Washington, D.C. to Ottawa with flexible booking policies on momondo?

Flights from Washington, D.C. to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Ottawa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/15

Thu 10/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Nearby airports

Airlines

Cabin classes

Other Canada destinations

Other flights from Washington, D.C. Reagan-National Airport

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from $145

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Air Canada flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets

Porter Airlines flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Porter Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

See travel insights to Ottawa from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to fly to Ottawa?

What is the cheapest day to depart on your flight to Ottawa?

What is the cheapest time of day to depart on your flight to Ottawa?

What is the cheapest Washington, D.C. Reagan-National to Ottawa flight route?

What cabin class options are available on Washington, D.C. Reagan-National Airport to Ottawa flights?

Can stopping save me money on Washington, D.C. Reagan-National Airport to Ottawa flights?

How have Washington, D.C. Reagan-National Airport to Ottawa flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Ottawa?

How many flights depart from Washington, D.C. Reagan-National Airport to Ottawa on average per day?

How many flights depart from Washington, D.C. Reagan-National Airport to Ottawa on average per week?

When to book flights from Washington, D.C. Reagan-National Airport to Ottawa

Cheap Washington, D.C. Reagan-National Airport to Ottawa (DCA to YOW) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Ottawa

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ottawa

Best airlines flying from Washington, D.C. Reagan-National Airport to Ottawa

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Ottawa with momondo

Traveling to a place near Ottawa?

Why use momondo?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favorite airline to Ottawa

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ottawa

List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Reagan-National Airport

According to popular flight searches on momondo this year

Complete your trip to Ottawa

Explore popular destinations other users love

According to popular flight searches on momondo this year