Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to District of Columbia from C$ 218

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 21/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ottawa to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.
YOW
-
IAD
5h 04m
1 stop
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.
IAD
-
YOW
3h 24m
1 stop
C$ 367Porter Airlines
Fri, 10 Apr - Sun, 12 Apr
Porter Airlines Logo
11:00 a.m. - 5:14 p.m.
YOW
-
IAD
6h 14m
1 stop
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.
IAD
-
YOW
3h 24m
1 stop
C$ 368Porter Airlines
Fri, 6 Mar - Wed, 11 Mar
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.
YOW
-
IAD
5h 04m
1 stop
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.
IAD
-
YOW
3h 59m
1 stop
C$ 382Porter Airlines
Sun, 26 Apr - Thu, 30 Apr
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.
YOW
-
IAD
5h 04m
1 stop
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.
IAD
-
YOW
3h 24m
1 stop
C$ 383Porter Airlines
Sun, 26 Apr - Thu, 30 Apr
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$ 394Air Canada
Thu, 26 Feb - Mon, 2 Mar
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
6:00 a.m. - 9:41 a.m.
DCA
-
YOW
3h 41m
1 stop
C$ 398Air Canada
Fri, 6 Mar - Fri, 13 Mar
United Airlines Logo
7:30 p.m. - 9:23 p.m.
YOW
-
IAD
1h 53mdirect
United Airlines Logo
12:43 p.m. - 2:27 p.m.
IAD
-
YOW
1h 44mdirect
C$ 398United Airlines
Tue, 3 Mar - Thu, 5 Mar
Air Canada Logo
5:45 a.m. - 10:21 a.m.
YOW
-
DCA
4h 36m
1 stop
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 400Air Canada
Thu, 26 Feb - Mon, 2 Mar
United Airlines Logo
9:45 a.m. - 11:44 a.m.
YOW
-
IAD
1h 59mdirect
United Airlines Logo
8:20 a.m. - 1:59 p.m.
IAD
-
YOW
5h 39m
1 stop
C$ 412United Airlines
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
6:45 a.m. - 10:24 a.m.
YOW
-
IAD
3h 39m
1 stop
Multiple Airlines Logo
8:30 p.m. - 5:13 p.m.
IAD
-
YOW
20h 43m
1 stop
C$ 413Multiple Airlines
Wed, 25 Mar - Wed, 8 Apr

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
10 Apr
YOW12:10 p.m.Ottawa
5h 04m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
12 Apr
IAD11:40 a.m.Washington, D.C. Dulles Intl
3h 24m
1 stop
YOW3:04 p.m.Ottawa
C$ 367
Porter Airlines
6 Mar
YOW11:00 a.m.Ottawa
6h 14m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
11 Mar
IAD11:40 a.m.Washington, D.C. Dulles Intl
3h 24m
1 stop
YOW3:04 p.m.Ottawa
C$ 368
Porter Airlines
26 Apr
YOW12:10 p.m.Ottawa
5h 04m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
30 Apr
IAD6:30 p.m.Washington, D.C. Dulles Intl
3h 59m
1 stop
YOW10:29 p.m.Ottawa
C$ 382

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 Mar
YOW7:30 p.m.Ottawa
1h 53m
IAD9:23 p.m.Washington, D.C. Dulles Intl
5 Mar
IAD12:43 p.m.Washington, D.C. Dulles Intl
1h 44m
YOW2:27 p.m.Ottawa
C$ 398
United Airlines
24 Mar
YOW2:15 p.m.Ottawa
1h 56m
IAD4:11 p.m.Washington, D.C. Dulles Intl
31 Mar
IAD5:41 p.m.Washington, D.C. Dulles Intl
4h 24m
1 stop
YOW10:05 p.m.Ottawa
C$ 412
United Airlines
21 Mar
YOW9:45 a.m.Ottawa
1h 59m
IAD11:44 a.m.Washington, D.C. Dulles Intl
28 Mar
IAD10:13 p.m.Washington, D.C. Dulles Intl
1h 41m
YOW11:54 p.m.Ottawa
C$ 416

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 6 February 2026.
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 10/4

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

1 stop5h 04m

Washington, D.C. Dulles Intl

Sun 12/4

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

1 stop3h 24m

C$ 367

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 6/3

11:00 a.m.-5:14 p.m.

1 stop6h 14m

Washington, D.C. Dulles Intl

Wed 11/3

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

1 stop3h 24m

C$ 368

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 26/4

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

1 stop5h 04m

Washington, D.C. Dulles Intl

Thu 30/4

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

1 stop3h 59m

C$ 382

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 26/4

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

1 stop5h 04m

Washington, D.C. Dulles Intl

Thu 30/4

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

1 stop3h 24m

C$ 383

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 26/2

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 2/3

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

Nonstop1h 35m

C$ 394

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 6/3

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 13/3

6:00 a.m.-9:41 a.m.

1 stop3h 41m

C$ 398

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 3/3

7:30 p.m.-9:23 p.m.

Nonstop1h 53m

Washington, D.C. Dulles Intl

Thu 5/3

12:43 p.m.-2:27 p.m.

Nonstop1h 44m

C$ 398

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 26/2

5:45 a.m.-10:21 a.m.

1 stop4h 36m

Washington, D.C. Reagan-National

Mon 2/3

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

Nonstop1h 35m

C$ 400

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 24/3

9:45 a.m.-11:44 a.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Tue 31/3

8:20 a.m.-1:59 p.m.

1 stop5h 39m

C$ 412

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 25/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Wed 8/4

8:30 p.m.-5:13 p.m.

1 stop20h 43m

C$ 413

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 415. If you aren’t able to travel during the month of March, then book flights to District of Columbia from Ottawa during August instead. Flights to District of Columbia in August, while not as cheap as those in March, still average around C$ 419.

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$ 794. 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$ 922.

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 morning. Our users have found flights to District of Columbia in the morning for as low as C$ 782. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,085 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

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 26% 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$ 277

Fastest flight time

1h 36m

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$ 277. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is C$ 357.
The fastest flight from Ottawa to District of Columbia takes 1h 36m
Direct flights go from Ottawa to District of Columbia every day.
There are 2 airports in District of Columbia. From Ottawa there are direct flights to 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$ 234Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 312Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 356Free CancellationRating
7.1
10,694 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/3
Sun 15/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to District of Columbia

Popular Cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo
Flights to Fort Lauderdalefrom C$ 74
Flights to Orlandofrom C$ 164
Flights to New Yorkfrom C$ 261
Flights to Las Vegasfrom C$ 153
Flights to Los Angelesfrom C$ 157
Flights to Miamifrom C$ 317
Flights to San Franciscofrom C$ 178
Flights to Honolulufrom C$ 327
Flights to Phoenixfrom C$ 220
Flights to Tampafrom C$ 218
Flights to Chicagofrom C$ 212
Flights to Houstonfrom C$ 316