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Cheap flights from District of Columbia to Ottawa from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Ottawa departing on 10/3. 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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0 bags

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Find the cheapest flights from District of Columbia to Ottawa

Cheap round-trip flights

Porter Airlines Logo
4:20 pm - 8:34 pmIAD-YOW
4h 14m1 stop
Porter Airlines Logo
8:35 am - 3:06 pmYOW-IAD
6h 31m1 stop
$328Porter Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
Porter Airlines Logo
4:20 pm - 8:34 pmIAD-YOW
4h 14m1 stop
Porter Airlines Logo
9:35 am - 3:06 pmYOW-IAD
5h 31m1 stop
$333Porter Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
Logo
7:14 pm - 4:57 pmIAD-YOW
21h 43m1 stop
Logo
7:00 am - 10:16 amYOW-IAD
3h 16m1 stop
$341
Find Deal
Thu, Sep 4 - Mon, Sep 8
Logo
4:20 pm - 12:22 amIAD-YOW
8h 02m1 stop
Logo
4:25 pm - 6:24 pmYOW-IAD
25h 59m1 stop
$344
Find Deal
Thu, Sep 18 - Sun, Sep 21
Air Canada Logo
12:55 pm - 2:26 pmDCA-YOW
1h 31mnonstop
Air Canada Logo
10:25 am - 12:08 pmYOW-DCA
1h 43mnonstop
$370Air Canada
Find Deal
Thu, Sep 18 - Sun, Sep 21
Air Canada Logo
12:55 pm - 2:26 pmDCA-YOW
1h 31mnonstop
Air Canada Logo
10:25 am - 12:08 pmYOW-DCA
1h 43mnonstop
$371Air Canada
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
8:16 am - 9:58 amIAD-YOW
1h 42mnonstop
United Airlines Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
$421United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
8:16 am - 9:58 amIAD-YOW
1h 42mnonstop
United Airlines Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
$424United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Delta Logo
8:50 am - 12:22 amDCA-YOW
15h 32m2 stops
Delta Logo
5:55 am - 6:39 pmYOW-DCA
12h 44m2 stops
$1,015Delta
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Tue, Sep 30 - Tue, Oct 7
Delta Logo
9:40 am - 12:22 amDCA-YOW
14h 42m2 stops
Delta Logo
5:55 am - 6:30 pmYOW-DCA
12h 35m2 stops
$1,035Delta
Find Deal
Sat, Sep 27 - Tue, Sep 30

Porter Airlines flights from District of Columbia to Ottawa

Our best Porter Airlines deals on District of Columbia to Ottawa flight tickets
Porter Airlines
Oct 9
IAD4:20 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:34 pmOttawa
Oct 13
YOW8:35 amOttawa
6h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$328
Find similar
Porter Airlines
Sep 11
IAD4:20 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:34 pmOttawa
Sep 15
YOW9:35 amOttawa
5h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$333
Find similar
Porter Airlines
Sep 18
IAD4:20 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:34 pmOttawa
Sep 21
YOW7:00 amOttawa
3h 16m
1 stop
IAD10:16 amWashington, D.C. Dulles Intl
$339
Find similar

Air Canada flights from District of Columbia to Ottawa

Our best Air Canada deals on District of Columbia to Ottawa flight tickets
Air Canada
Sep 18
DCA12:55 pmWashington, D.C. Reagan-National
1h 31m
YOW2:26 pmOttawa
Sep 21
YOW10:25 amOttawa
1h 43m
DCA12:08 pmWashington, D.C. Reagan-National
$370
Find similar
Air Canada
Sep 18
DCA12:55 pmWashington, D.C. Reagan-National
1h 31m
YOW2:26 pmOttawa
Sep 21
YOW10:25 amOttawa
1h 43m
DCA12:08 pmWashington, D.C. Reagan-National
$371
Find similar
Air Canada
Sep 18
DCA6:00 amWashington, D.C. Reagan-National
4h 25m
1 stop
YOW10:25 amOttawa
Sep 21
YOW10:25 amOttawa
1h 43m
DCA12:08 pmWashington, D.C. Reagan-National
$372
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 10/9

4:20 pm-8:34 pm

1 stop4h 14m

Ottawa

Mon 10/13

8:35 am-3:06 pm

1 stop6h 31m

$328

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/11

4:20 pm-8:34 pm

1 stop4h 14m

Ottawa

Mon 9/15

9:35 am-3:06 pm

1 stop5h 31m

$333

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

7:14 pm-4:57 pm

1 stop21h 43m

Ottawa

Mon 9/8

7:00 am-10:16 am

1 stop3h 16m

$341

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/18

4:20 pm-12:22 am

1 stop8h 02m

Ottawa

Sun 9/21

4:25 pm-6:24 pm

1 stop25h 59m

$344

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/18

12:55 pm-2:26 pm

Nonstop1h 31m

Ottawa

Sun 9/21

10:25 am-12:08 pm

Nonstop1h 43m

$370

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/18

12:55 pm-2:26 pm

Nonstop1h 31m

Ottawa

Sun 9/21

10:25 am-12:08 pm

Nonstop1h 43m

$371

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/18

8:16 am-9:58 am

Nonstop1h 42m

Ottawa

Sun 9/21

7:29 pm-9:12 pm

Nonstop1h 43m

$421

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 9/17

8:16 am-9:58 am

Nonstop1h 42m

Ottawa

Sat 9/20

7:29 pm-9:12 pm

Nonstop1h 43m

$424

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 9/30

8:50 am-12:22 am

2 stops15h 32m

Ottawa

Tue 10/7

5:55 am-6:39 pm

2 stops12h 44m

$1,015

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 9/27

9:40 am-12:22 am

2 stops14h 42m

Ottawa

Tue 9/30

5:55 am-6:30 pm

2 stops12h 35m

$1,035

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from District of Columbia 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

What is the cheapest month to fly to Ottawa?

In general, January is the cheapest month to fly from District of Columbia to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $257. The month of November is another great option to travel to Ottawa, with average flight prices from District of Columbia averaging around $309.

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

The cheapest day to depart from District of Columbia to Ottawa is on a Monday. Travelers who choose to depart for Ottawa on a Monday will often find tickets for as low as $426. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $510.

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 District of Columbia to Ottawa when you can find flight prices for as low as $440. 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 afternoon when prices are $681 on average. Flights to Ottawa from District of Columbia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest District of Columbia to Ottawa flight route?

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

How far in advance should I book a flight to Ottawa?

You are more likely to see cheaper flights to Ottawa from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from District of Columbia for as low as $189 on momondo.

What cabin class options are available on District of Columbia to Ottawa flights?

There are 4 cabin classes available to choose from on District of Columbia 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 District of Columbia to Ottawa flights?

You could potentially save up to 20% on your flight if you consider stops on a District of Columbia to Ottawa flight.

Cheap District of Columbia to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Ottawa

Best Price Found

$139

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from District of Columbia in the past 72 hours is $139. The best round-trip flight deal from District of Columbia to Ottawa found on momondo in the last 72 hours is $328.
The fastest flight from District of Columbia to Ottawa takes 1h 31m
Direct flights go from District of Columbia to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Ottawa Airport?

    Prices for flights from District of Columbia to Ottawa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Ottawa Airport?

  • How old do you have to be to fly from District of Columbia to Ottawa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia to Ottawa Airport.

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

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from District of Columbia to Ottawa?

Best airlines flying from District of Columbia to Ottawa

Compare and see reviews for airlines that fly from District of Columbia to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $174Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $179Free CancellationRating
8.0
333 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Smiths Falls
Calabogie
Brockville
Pembroke
Petawawa
Perth
Prescott
Winchester
Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Ottawa?

It is quick and easy to find District of Columbia to Ottawa 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 Ottawa that suits you.

Can I find flights from District of Columbia to Ottawa with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ottawa from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Ottawa?

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

I’m not ready to book a flight from District of Columbia to Ottawa right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from District of Columbia and alert you when they change.

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