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Cheap flights from Ottawa to District of Columbia from C$ 201

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 12/9. 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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Find the cheapest flights from Ottawa to District of Columbia

Cheap round-trip flights

Porter Airlines Logo
8:35 a.m. - 3:06 p.m.YOW-IAD
6h 31m1 stop
Porter Airlines Logo
4:20 p.m. - 8:34 p.m.IAD-YOW
4h 14m1 stop
C$ 328Porter Airlines
Find Deal
Sun, 14 Sep - Fri, 19 Sep
Porter Airlines Logo
9:35 a.m. - 2:56 p.m.YOW-IAD
5h 21m1 stop
Porter Airlines Logo
11:35 a.m. - 5:04 p.m.IAD-YOW
5h 29m1 stop
C$ 350Porter Airlines
Find Deal
Sat, 30 Aug - Thu, 4 Sep
Air Canada Logo
10:25 a.m. - 12:08 p.m.YOW-DCA
1h 43mdirect
Air Canada Logo
6:00 a.m. - 10:24 a.m.DCA-YOW
4h 24m1 stop
C$ 381Air Canada
Find Deal
Mon, 8 Sep - Fri, 12 Sep
Air Canada Logo
5:55 p.m. - 10:34 p.m.YOW-DCA
4h 39m1 stop
Air Canada Logo
6:00 a.m. - 10:24 a.m.DCA-YOW
4h 24m1 stop
C$ 389Air Canada
Find Deal
Mon, 8 Sep - Fri, 12 Sep
Lufthansa Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
Lufthansa Logo
6:20 a.m. - 11:45 a.m.IAD-YOW
5h 25m1 stop
C$ 394Lufthansa
Find Deal
Sat, 13 Sep - Sun, 14 Sep
United Airlines Logo
2:48 p.m. - 8:41 p.m.YOW-IAD
5h 53m1 stop
United Airlines Logo
8:16 a.m. - 9:58 a.m.IAD-YOW
1h 42mdirect
C$ 399United Airlines
Find Deal
Sat, 13 Sep - Sun, 14 Sep
United Airlines Logo
2:45 p.m. - 4:28 p.m.YOW-IAD
1h 43mdirect
United Airlines Logo
8:16 a.m. - 9:58 a.m.IAD-YOW
1h 42mdirect
C$ 423United Airlines
Find Deal
Thu, 21 Aug - Thu, 28 Aug
Lufthansa Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
Lufthansa Logo
8:16 a.m. - 9:58 a.m.IAD-YOW
1h 42mdirect
C$ 450Lufthansa
Find Deal
Thu, 21 Aug - Mon, 25 Aug
Logo
5:55 a.m. - 3:06 p.m.YOW-IAD
9h 11m1 stop
Logo
11:35 a.m. - 6:09 p.m.IAD-YOW
6h 34m1 stop
C$ 480
Find Deal
Tue, 23 Sep - Fri, 26 Sep
Logo
10:25 a.m. - 12:08 p.m.YOW-DCA
1h 43mdirect
Logo
6:00 a.m. - 10:24 a.m.DCA-YOW
4h 24m1 stop
C$ 490
Find Deal
Sun, 14 Sep - Fri, 19 Sep

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
14 Sep
YOW8:35 a.m.Ottawa
6h 31m
1 stop
IAD3:06 p.m.Washington, D.C. Dulles Intl
19 Sep
IAD4:20 p.m.Washington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:34 p.m.Ottawa
C$ 328
Find similar
Porter Airlines
30 Aug
YOW9:35 a.m.Ottawa
5h 21m
1 stop
IAD2:56 p.m.Washington, D.C. Dulles Intl
4 Sep
IAD11:35 a.m.Washington, D.C. Dulles Intl
5h 29m
1 stop
YOW5:04 p.m.Ottawa
C$ 350
Find similar
Porter Airlines
21 Aug
YOW11:00 a.m.Ottawa
3h 56m
1 stop
IAD2:56 p.m.Washington, D.C. Dulles Intl
25 Aug
IAD4:10 p.m.Washington, D.C. Dulles Intl
3h 28m
1 stop
YOW7:38 p.m.Ottawa
C$ 381
Find similar

United Airlines flights from Ottawa to District of Columbia

Our best United Airlines deals on Ottawa to District of Columbia flight tickets
United Airlines
13 Sep
YOW2:48 p.m.Ottawa
5h 53m
1 stop
IAD8:41 p.m.Washington, D.C. Dulles Intl
14 Sep
IAD8:16 a.m.Washington, D.C. Dulles Intl
1h 42m
YOW9:58 a.m.Ottawa
C$ 399
Find similar
United Airlines
21 Aug
YOW2:45 p.m.Ottawa
1h 43m
IAD4:28 p.m.Washington, D.C. Dulles Intl
28 Aug
IAD8:16 a.m.Washington, D.C. Dulles Intl
1h 42m
YOW9:58 a.m.Ottawa
C$ 423
Find similar
United Airlines
21 Aug
YOW6:33 a.m.Ottawa
5h 26m
1 stop
DCA11:59 a.m.Washington, D.C. Reagan-National
25 Aug
DCA1:00 p.m.Washington, D.C. Reagan-National
3h 43m
1 stop
YOW4:43 p.m.Ottawa
C$ 426
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 31 July 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

Sun 14/9

8:35 a.m.-3:06 p.m.

1 stop6h 31m

Washington, D.C. Dulles Intl

Fri 19/9

4:20 p.m.-8:34 p.m.

1 stop4h 14m

C$ 328

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 30/8

9:35 a.m.-2:56 p.m.

1 stop5h 21m

Washington, D.C. Dulles Intl

Thu 4/9

11:35 a.m.-5:04 p.m.

1 stop5h 29m

C$ 350

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 8/9

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

Washington, D.C. Reagan-National

Fri 12/9

6:00 a.m.-10:24 a.m.

1 stop4h 24m

C$ 381

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 8/9

5:55 p.m.-10:34 p.m.

1 stop4h 39m

Washington, D.C. Reagan-National

Fri 12/9

6:00 a.m.-10:24 a.m.

1 stop4h 24m

C$ 389

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 13/9

7:29 p.m.-9:12 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 14/9

6:20 a.m.-11:45 a.m.

1 stop5h 25m

C$ 394

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 13/9

2:48 p.m.-8:41 p.m.

1 stop5h 53m

Washington, D.C. Dulles Intl

Sun 14/9

8:16 a.m.-9:58 a.m.

Nonstop1h 42m

C$ 399

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 21/8

2:45 p.m.-4:28 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 28/8

8:16 a.m.-9:58 a.m.

Nonstop1h 42m

C$ 423

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 21/8

7:29 p.m.-9:12 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 25/8

8:16 a.m.-9:58 a.m.

Nonstop1h 42m

C$ 450

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 23/9

5:55 a.m.-3:06 p.m.

1 stop9h 11m

Washington, D.C. Dulles Intl

Fri 26/9

11:35 a.m.-6:09 p.m.

1 stop6h 34m

C$ 480

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 14/9

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

Washington, D.C. Reagan-National

Fri 19/9

6:00 a.m.-10:24 a.m.

1 stop4h 24m

C$ 490

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$ 405. 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$ 417.

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$ 826. 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 District of Columbia on Sunday is C$ 1,031.

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$ 440. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,112 per ticket.

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

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

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 21% 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$ 201

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$ 201. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is C$ 328.
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
Porter AirlinesPriceFrom C$ 333Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 335Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 342Free CancellationRating
7.1
9,851 reviews
Search Air Canada 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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