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

Air Canada, American Airlines, and United Airlines are the most popular carriers operating from Ottawa to Washington, D.C. Reagan-National

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

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

How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?

The number of operators available for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport is 1 as of October 2025.

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

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents required for your trip to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$145 Cheap Flights from Ottawa to Washington, D.C. Reagan-National Airport in 2025/26

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

As of October 2025, there are 10 flights per week flying from Ottawa to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

1 flights are operational daily from Ottawa to Washington, D.C. Reagan-National Airport as of October 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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10:50 am - 3:31 pmYOW-DCA

4h 41m1 stop

6:00 am - 9:42 amDCA-YOW

3h 42m1 stop

$341Air Canada

Find Deal

Thu, Dec 4 - Thu, Dec 11

10:30 am - 12:19 pmYOW-DCA

1h 49mnonstop

12:55 pm - 2:30 pmDCA-YOW

1h 35mnonstop

$342Air Canada

Find Deal

Thu, Dec 4 - Thu, Dec 11

6:45 am - 10:00 pmYOW-DCA

15h 15m2 stops

10:02 am - 4:51 pmDCA-YOW

6h 49m1 stop

$445American Airlines

Find Deal

Mon, Jan 26 - Thu, Feb 5

6:45 am - 7:36 pmYOW-DCA

12h 51m2 stops

10:02 am - 4:51 pmDCA-YOW

6h 49m1 stop

$447American Airlines

Find Deal

Mon, Jan 26 - Fri, Feb 6

5:40 am - 3:31 pmYOW-DCA

9h 51m2 stops

11:05 am - 12:42 amDCA-YOW

13h 37m2 stops

$467Multiple Airlines

Find Deal

Tue, Nov 4 - Sat, Nov 8

5:40 am - 3:31 pmYOW-DCA

9h 51m2 stops

11:05 am - 12:42 amDCA-YOW

13h 37m2 stops

$472Multiple Airlines

Find Deal

Fri, Nov 14 - Fri, Nov 21

3:11 pm - 9:31 pmYOW-DCA

6h 20m1 stop

4:30 pm - 9:56 pmDCA-YOW

5h 26m1 stop

$525United Airlines

Find Deal

Tue, Mar 24 - Tue, Mar 31

3:10 pm - 9:52 pmYOW-DCA

6h 42m1 stop

7:30 am - 5:18 pmDCA-YOW

9h 48m1 stop

$533United Airlines

Find Deal

Tue, Dec 23 - Fri, Dec 26

5:40 am - 4:19 pmYOW-DCA

10h 39m2 stops

12:39 pm - 12:42 amDCA-YOW

12h 03m2 stops

$562WestJet

Find Deal

Thu, Nov 13 - Mon, Nov 17

5:40 am - 4:19 pmYOW-DCA

10h 39m2 stops

9:34 am - 12:42 amDCA-YOW

15h 08m2 stops

$598WestJet

Find Deal

Thu, Nov 13 - Sun, Nov 16

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

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

Air Canada

Dec 4

YOW10:50 amOttawa

4h 41m

1 stop

DCA3:31 pmWashington, D.C. Reagan-National

Dec 11

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

3h 42m

1 stop

YOW9:42 amOttawa

$341

Find similar

Air Canada

Dec 4

YOW10:30 amOttawa

1h 49m

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

Dec 11

DCA12:55 pmWashington, D.C. Reagan-National

1h 35m

YOW2:30 pmOttawa

$342

Find similar

Air Canada

Dec 4

YOW10:50 amOttawa

4h 41m

1 stop

DCA3:31 pmWashington, D.C. Reagan-National

Dec 7

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

5h 13m

1 stop

YOW4:18 pmOttawa

$345

Find similar

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

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

United Airlines

Mar 24

YOW3:11 pmOttawa

6h 20m

1 stop

DCA9:31 pmWashington, D.C. Reagan-National

Mar 31

DCA4:30 pmWashington, D.C. Reagan-National

5h 26m

1 stop

YOW9:56 pmOttawa

$525

Find similar

United Airlines

Dec 23

YOW3:10 pmOttawa

6h 42m

1 stop

DCA9:52 pmWashington, D.C. Reagan-National

Dec 26

DCA7:30 amWashington, D.C. Reagan-National

9h 48m

1 stop

YOW5:18 pmOttawa

$533

Find similar

United Airlines

Oct 31

YOW10:30 amOttawa

1h 49m

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

Nov 2

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

5h 56m

1 stop

YOW9:56 pmOttawa

$736

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 12/4

10:50 am-3:31 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Thu 12/11

6:00 am-9:42 am

1 stop3h 42m

$341

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 12/4

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 12/11

12:55 pm-2:30 pm

Nonstop1h 35m

$342

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

6:45 am-10:00 pm

2 stops15h 15m

Washington, D.C. Reagan-National

Thu 2/5

10:02 am-4:51 pm

1 stop6h 49m

$445

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

6:45 am-7:36 pm

2 stops12h 51m

Washington, D.C. Reagan-National

Fri 2/6

10:02 am-4:51 pm

1 stop6h 49m

$447

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 11/4

5:40 am-3:31 pm

2 stops9h 51m

Washington, D.C. Reagan-National

Sat 11/8

11:05 am-12:42 am

2 stops13h 37m

$467

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 11/14

5:40 am-3:31 pm

2 stops9h 51m

Washington, D.C. Reagan-National

Fri 11/21

11:05 am-12:42 am

2 stops13h 37m

$472

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 3/24

3:11 pm-9:31 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Tue 3/31

4:30 pm-9:56 pm

1 stop5h 26m

$525

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 12/23

3:10 pm-9:52 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Fri 12/26

7:30 am-5:18 pm

1 stop9h 48m

$533

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 11/13

5:40 am-4:19 pm

2 stops10h 39m

Washington, D.C. Reagan-National

Mon 11/17

12:39 pm-12:42 am

2 stops12h 03m

$562

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 11/13

5:40 am-4:19 pm

2 stops10h 39m

Washington, D.C. Reagan-National

Sun 11/16

9:34 am-12:42 am

2 stops15h 08m

$598

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

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 Washington, D.C. Reagan-National Airport?

The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around $324. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $329.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Ottawa to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $301. Flights from Ottawa to Washington, D.C. Reagan-National Airport on a Tuesday will generally be more expensive and average around $524. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Ottawa for as low as $239 on momondo.

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

There are 3 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

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

Estimated round-trip price

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

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

Fastest flight time	1h 49m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat

The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 49m

Direct flights go from Ottawa to Washington, D.C. Reagan-National Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

Search flight deals

How far is Ottawa to Washington, D.C. Reagan-National by plane?
A flight from Ottawa to Washington, D.C. Reagan-National will travel around 458.3 mi. In terms of flight time, this usually takes a little over 1h 49m.
When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport were last updated today.
How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
The number of operators available for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport is 1 as of October 2025.
How old do you have to be to fly from Ottawa Airport to Washington, D.C. Reagan-National 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 Ottawa Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents required for your trip to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National 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 Ottawa to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Ottawa and Washington, D.C. Reagan-National Airport, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 45.49% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 31.41%, Embraer 175 (Enhanced Winglets) with 9.39%, and Boeing 777-300ER with 2.53%.
What is the most popular airline from Ottawa to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Ottawa to Washington, D.C. Reagan-National Airport is Air Canada, representing 100% of all bookings.

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

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $284	Free Cancellation	Rating 7.1 10,337 reviews		Search Air Canada flights

Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport
Air Canada flight deals from Ottawa to Washington, D.C. Reagan-National Airport start from $284 round-trip. Over the 5 Air Canada flights for this route in a normal week, average airfare is usually $436 round-trip - but some users have found much cheaper deals with momondo.

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Fairfax

Gaithersburg

Glen Burnie

Springfield

Linthicum Heights

Why use momondo?

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

It is quick and easy to find Ottawa to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Ottawa to Washington, D.C. 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 Ottawa to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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Washington, D.C. Reagan-National Airport flight routes

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Cheap flights from Ottawa to Washington, D.C. from $186

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

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

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

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

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

There are 3 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

Air Canada, American Airlines, and United Airlines are the most popular carriers operating from Ottawa to Washington, D.C. Reagan-National

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

1 flights are operational daily from Ottawa to Washington, D.C. Reagan-National Airport as of October 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

As of October 2025, there are 10 flights per week flying from Ottawa to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

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

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

Fastest flight time

Direct flights

How far is Ottawa to Washington, D.C. Reagan-National by plane?

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

How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?

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

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

What is the most popular plane model from Ottawa to Washington, D.C. Reagan-National Airport?

What is the most popular airline from Ottawa to Washington, D.C. Reagan-National Airport?

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

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

Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Reagan-National Airport 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 Washington, D.C.

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