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Cheap flights from Ottawa to District of Columbia from C$ 233

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 3/10. 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

United Airlines Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
United Airlines Logo
8:25 a.m. - 9:09 p.m.IAD-YOW
12h 44m2 stops
C$ 431United Airlines
Find Deal
Fri, 3 Oct - Sat, 4 Oct
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.YOW-IAD
5h 04m1 stop
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.IAD-YOW
3h 59m1 stop
C$ 435Porter Airlines
Find Deal
Fri, 26 Dec - Tue, 30 Dec
Porter Airlines Logo
8:40 a.m. - 5:14 p.m.YOW-IAD
8h 34m1 stop
Porter Airlines Logo
11:40 a.m. - 5:29 p.m.IAD-YOW
5h 49m1 stop
C$ 442Porter Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
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$ 443Air Canada
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Porter Airlines Logo
7:00 a.m. - 10:16 a.m.YOW-IAD
3h 16m1 stop
Porter Airlines Logo
4:20 p.m. - 7:59 p.m.IAD-YOW
3h 39m1 stop
C$ 443Porter Airlines
Find Deal
Fri, 10 Oct - Sun, 12 Oct
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$ 445Porter Airlines
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW-DCA
1h 49mdirect
Air Canada Logo
6:00 a.m. - 12:22 p.m.DCA-YOW
6h 22m1 stop
C$ 446Air Canada
Find Deal
Thu, 30 Oct - Thu, 6 Nov
United Airlines Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
United Airlines Logo
6:15 a.m. - 12:16 p.m.IAD-YOW
6h 01m1 stop
C$ 467United Airlines
Find Deal
Fri, 3 Oct - Sat, 4 Oct
Lufthansa Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
Lufthansa Logo
6:15 a.m. - 11:45 a.m.IAD-YOW
5h 30m1 stop
C$ 478Lufthansa
Find Deal
Fri, 10 Oct - Sun, 12 Oct
Lufthansa Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
Lufthansa Logo
5:13 p.m. - 6:52 p.m.IAD-YOW
1h 39mdirect
C$ 479Lufthansa
Find Deal
Fri, 10 Oct - Sun, 12 Oct

United Airlines flights from Ottawa to District of Columbia

Our best United Airlines deals on Ottawa to District of Columbia flight tickets
United Airlines
3 Oct
YOW7:29 p.m.Ottawa
1h 43m
IAD9:12 p.m.Washington, D.C. Dulles Intl
4 Oct
IAD8:25 a.m.Washington, D.C. Dulles Intl
12h 44m
2 stops
YOW9:09 p.m.Ottawa
C$ 431
Find similar
United Airlines
3 Oct
YOW7:29 p.m.Ottawa
1h 43m
IAD9:12 p.m.Washington, D.C. Dulles Intl
4 Oct
IAD6:15 a.m.Washington, D.C. Dulles Intl
6h 01m
1 stop
YOW12:16 p.m.Ottawa
C$ 467
Find similar
United Airlines
30 Oct
YOW7:30 p.m.Ottawa
1h 52m
IAD9:22 p.m.Washington, D.C. Dulles Intl
31 Oct
IAD12:42 p.m.Washington, D.C. Dulles Intl
1h 45m
YOW2:27 p.m.Ottawa
C$ 470
Find similar

Lufthansa flights from Ottawa to District of Columbia

Our best Lufthansa deals on Ottawa to District of Columbia flight tickets
Lufthansa
10 Oct
YOW7:29 p.m.Ottawa
1h 43m
IAD9:12 p.m.Washington, D.C. Dulles Intl
12 Oct
IAD6:15 a.m.Washington, D.C. Dulles Intl
5h 30m
1 stop
YOW11:45 a.m.Ottawa
C$ 478
Find similar
Lufthansa
10 Oct
YOW7:29 p.m.Ottawa
1h 43m
IAD9:12 p.m.Washington, D.C. Dulles Intl
12 Oct
IAD5:13 p.m.Washington, D.C. Dulles Intl
1h 39m
YOW6:52 p.m.Ottawa
C$ 479
Find similar
Lufthansa
10 Oct
YOW6:05 a.m.Ottawa
4h 23m
1 stop
DCA10:28 a.m.Washington, D.C. Reagan-National
12 Oct
DCA7:00 a.m.Washington, D.C. Reagan-National
4h 45m
1 stop
YOW11:45 a.m.Ottawa
C$ 486
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 16 September 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

Fri 3/10

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

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 4/10

8:25 a.m.-9:09 p.m.

2 stops12h 44m

C$ 431

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 26/12

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

1 stop5h 04m

Washington, D.C. Dulles Intl

Tue 30/12

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

1 stop3h 59m

C$ 435

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 30/10

8:40 a.m.-5:14 p.m.

1 stop8h 34m

Washington, D.C. Dulles Intl

Thu 6/11

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

1 stop5h 49m

C$ 442

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/10

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 6/11

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

Nonstop1h 35m

C$ 443

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

7:00 a.m.-10:16 a.m.

1 stop3h 16m

Washington, D.C. Dulles Intl

Sun 12/10

4:20 p.m.-7:59 p.m.

1 stop3h 39m

C$ 443

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 6/10

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

1 stop6h 31m

Washington, D.C. Dulles Intl

Wed 8/10

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

1 stop4h 14m

C$ 445

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/10

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 6/11

6:00 a.m.-12:22 p.m.

1 stop6h 22m

C$ 446

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 3/10

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

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 4/10

6:15 a.m.-12:16 p.m.

1 stop6h 01m

C$ 467

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

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

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 12/10

6:15 a.m.-11:45 a.m.

1 stop5h 30m

C$ 478

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

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

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 12/10

5:13 p.m.-6:52 p.m.

Nonstop1h 39m

C$ 479

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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$ 416.

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$ 829. 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$ 1,023.

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$ 439. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,102 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$ 553 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$ 345 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 63% 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$ 360

Fastest flight time

1h 43m

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$ 360. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is C$ 591.
The fastest flight from Ottawa to District of Columbia takes 1h 43m
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
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 334Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 341Free CancellationRating
7.1
10,000 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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Popular flights according to clicks in the last 7 days on momondo
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