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Cheap flights from Ottawa to District of Columbia from C$ 237

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 District of Columbia departing on 24/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 a.m. - 9:33 p.m.YOW-IAD
12h 03m1 stop
Multiple Airlines Logo
3:33 p.m. - 11:58 p.m.IAD-YOW
8h 25m1 stop
C$ 384Multiple Airlines
Find Deal
Thu, 15 Jan - Sat, 17 Jan
Porter Airlines Logo
11:40 a.m. - 5:14 p.m.YOW-IAD
5h 34m1 stop
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.IAD-YOW
3h 59m1 stop
C$ 408Porter Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.YOW-IAD
5h 04m1 stop
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.IAD-YOW
3h 24m1 stop
C$ 410Porter Airlines
Find Deal
Fri, 19 Dec - Fri, 26 Dec
Porter Airlines Logo
6:50 a.m. - 10:24 a.m.YOW-IAD
3h 34m1 stop
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.IAD-YOW
3h 59m1 stop
C$ 411Porter Airlines
Find Deal
Fri, 19 Dec - Fri, 19 Dec
Porter Airlines Logo
6:50 a.m. - 10:24 a.m.YOW-IAD
3h 34m1 stop
Porter Airlines Logo
11:40 a.m. - 5:29 p.m.IAD-YOW
5h 49m1 stop
C$ 417Porter Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW-DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.DCA-YOW
1h 35mdirect
C$ 496Air Canada
Find Deal
Mon, 26 Jan - Fri, 6 Feb
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW-DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.DCA-YOW
1h 35mdirect
C$ 497Air Canada
Find Deal
Tue, 23 Dec - Tue, 6 Jan
Lufthansa Logo
7:27 p.m. - 9:25 p.m.YOW-IAD
1h 58mdirect
Lufthansa Logo
8:29 a.m. - 9:56 p.m.IAD-YOW
13h 27m1 stop
C$ 512Lufthansa
Find Deal
Fri, 16 Jan - Sat, 17 Jan
American Airlines Logo
6:45 a.m. - 12:40 p.m.YOW-DCA
5h 55m1 stop
American Airlines Logo
10:04 a.m. - 4:51 p.m.DCA-YOW
6h 47m1 stop
C$ 611American Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
6:45 a.m. - 5:47 p.m.YOW-DCA
11h 02m2 stops
American Airlines Logo
10:12 a.m. - 4:51 p.m.DCA-YOW
6h 39m1 stop
C$ 624American Airlines
Find Deal
Mon, 26 Jan - Thu, 5 Feb

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
3 Dec
YOW11:40 a.m.Ottawa
5h 34m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
10 Dec
IAD6:30 p.m.Washington, D.C. Dulles Intl
3h 59m
1 stop
YOW10:29 p.m.Ottawa
C$ 408
Find similar
Porter Airlines
19 Dec
YOW12:10 p.m.Ottawa
5h 04m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
26 Dec
IAD11:40 a.m.Washington, D.C. Dulles Intl
3h 24m
1 stop
YOW3:04 p.m.Ottawa
C$ 410
Find similar
Porter Airlines
19 Dec
YOW6:50 a.m.Ottawa
3h 34m
1 stop
IAD10:24 a.m.Washington, D.C. Dulles Intl
19 Dec
IAD6:30 p.m.Washington, D.C. Dulles Intl
3h 59m
1 stop
YOW10:29 p.m.Ottawa
C$ 411
Find similar

Air Canada flights from Ottawa to District of Columbia

Our best Air Canada deals on Ottawa to District of Columbia flight tickets
Air Canada
26 Jan
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
6 Feb
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 35m
YOW2:30 p.m.Ottawa
C$ 496
Find similar
Air Canada
23 Dec
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
6 Jan
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 35m
YOW2:30 p.m.Ottawa
C$ 497
Find similar
Air Canada
2 Dec
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
9 Dec
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 35m
YOW2:30 p.m.Ottawa
C$ 498
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to District of Columbia 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 96,600 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 15/1

9:30 a.m.-9:33 p.m.

1 stop12h 03m

Washington, D.C. Dulles Intl

Sat 17/1

3:33 p.m.-11:58 p.m.

1 stop8h 25m

C$ 384

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 3/12

11:40 a.m.-5:14 p.m.

1 stop5h 34m

Washington, D.C. Dulles Intl

Wed 10/12

6:30 p.m.-10:29 p.m.

1 stop3h 59m

C$ 408

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 19/12

12:10 p.m.-5:14 p.m.

1 stop5h 04m

Washington, D.C. Dulles Intl

Fri 26/12

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 410

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 19/12

6:50 a.m.-10:24 a.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 19/12

6:30 p.m.-10:29 p.m.

1 stop3h 59m

C$ 411

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 3/12

6:50 a.m.-10:24 a.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

Wed 10/12

11:40 a.m.-5:29 p.m.

1 stop5h 49m

C$ 417

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 6/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 496

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 23/12

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 6/1

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 497

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 16/1

7:27 p.m.-9:25 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 17/1

8:29 a.m.-9:56 p.m.

1 stop13h 27m

C$ 512

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/12

6:45 a.m.-12:40 p.m.

1 stop5h 55m

Washington, D.C. Reagan-National

Mon 8/12

10:04 a.m.-4:51 p.m.

1 stop6h 47m

C$ 611

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

6:45 a.m.-5:47 p.m.

2 stops11h 02m

Washington, D.C. Reagan-National

Thu 5/2

10:12 a.m.-4:51 p.m.

1 stop6h 39m

C$ 624

Flights are sorted by cheapest round-trip flights first.

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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Ottawa to District of Columbia

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 District of Columbia?

The month of March is, on average, the cheapest month to fly to District of Columbia from Ottawa, with most prices found around C$ 412. If you aren’t able to travel during the month of March, then book flights to District of Columbia from Ottawa during April instead. Flights to District of Columbia in April, while not as cheap as those in March, still average around C$ 424.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart from Ottawa to District of Columbia is on a Friday when prices can be found for as low as C$ 847. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to District of Columbia on Thursday is C$ 1,035.

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

Our data shows that the cheapest Ottawa to District of Columbia flights are usually those with departure times in the afternoon. Our users have found flights to District of Columbia in the afternoon for as low as C$ 447. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,129 per ticket.

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

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around C$ 574 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Ottawa for as low as C$ 344 on momondo.

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

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

You could potentially save up to 28% on your flight if you consider stops on a Ottawa to District of Columbia flight.

Cheap Ottawa to District of Columbia flight deals and tips

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

Best price found

C$ 305

Fastest flight time

1h 35m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Ottawa in the past 72 hours is C$ 305. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is C$ 519.
The fastest flight from Ottawa to District of Columbia takes 1h 35m
Direct flights go from Ottawa to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

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

    Prices for flights from Ottawa Airport to District of Columbia were last updated today.

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

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

    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 District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Ottawa to District of Columbia

Compare and see reviews for airlines that fly from Ottawa to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 310Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 318Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 339Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to District of Columbia. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Ottawa to District of Columbia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to District of Columbia from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your District of Columbia 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.
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Find better results for your trip to District of Columbia

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