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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa 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 Washington, D.C. Reagan-National Airport to Ottawa departing on 23/4. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:50 p.m. - 11:06 p.m.
DCA
-
YOW
4h 16m
1 stop
Air Canada Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 360Air Canada
Sat, 25 Apr - Sun, 26 Apr
Air Canada Logo
8:40 p.m. - 1:36 a.m.
DCA
-
YOW
4h 56m
1 stop
Air Canada Logo
5:45 a.m. - 10:19 a.m.
YOW
-
DCA
4h 34m
1 stop
C$ 372Air Canada
Sat, 25 Apr - Sun, 26 Apr
Air Canada Logo
6:00 a.m. - 10:11 a.m.
DCA
-
YOW
4h 11m
1 stop
Air Canada Logo
5:45 a.m. - 10:19 a.m.
YOW
-
DCA
4h 34m
1 stop
C$ 450Air Canada
Thu, 9 Apr - Sun, 12 Apr
Air Canada Logo
12:55 p.m. - 2:27 p.m.
DCA
-
YOW
1h 32mdirect
Air Canada Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 486Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
12:55 p.m. - 2:27 p.m.
DCA
-
YOW
1h 32mdirect
Air Canada Logo
6:00 a.m. - 10:19 a.m.
YOW
-
DCA
4h 19m
1 stop
C$ 487Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
12:55 p.m. - 2:27 p.m.
DCA
-
YOW
1h 32mdirect
Air Canada Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 489Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
12:55 p.m. - 2:27 p.m.
DCA
-
YOW
1h 32mdirect
Air Canada Logo
6:00 a.m. - 10:19 a.m.
YOW
-
DCA
4h 19m
1 stop
C$ 494Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
6:00 a.m. - 10:11 a.m.
DCA
-
YOW
4h 11m
1 stop
Air Canada Logo
6:00 a.m. - 10:19 a.m.
YOW
-
DCA
4h 19m
1 stop
C$ 500Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
6:00 a.m. - 10:11 a.m.
DCA
-
YOW
4h 11m
1 stop
Air Canada Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 509Air Canada
Thu, 9 Apr - Sun, 12 Apr
Air Canada Logo
12:55 p.m. - 2:27 p.m.
DCA
-
YOW
1h 32mdirect
Air Canada Logo
10:25 a.m. - 12:01 p.m.
YOW
-
DCA
1h 36mdirect
C$ 515Air Canada
Wed, 22 Apr - Thu, 30 Apr

Air Canada flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
Air Canada
25 Apr
DCA6:50 p.m.Washington, D.C. Reagan-National
4h 16m
1 stop
YOW11:06 p.m.Ottawa
26 Apr
YOW10:25 a.m.Ottawa
1h 36m
DCA12:01 p.m.Washington, D.C. Reagan-National
C$ 360
Air Canada
25 Apr
DCA8:40 p.m.Washington, D.C. Reagan-National
4h 56m
1 stop
YOW1:36 a.m.Ottawa
26 Apr
YOW5:45 a.m.Ottawa
4h 34m
1 stop
DCA10:19 a.m.Washington, D.C. Reagan-National
C$ 372
Air Canada
9 Apr
DCA6:00 a.m.Washington, D.C. Reagan-National
4h 11m
1 stop
YOW10:11 a.m.Ottawa
12 Apr
YOW5:45 a.m.Ottawa
4h 34m
1 stop
DCA10:19 a.m.Washington, D.C. Reagan-National
C$ 450

United Airlines flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
United Airlines
28 Mar
DCA10:25 a.m.Washington, D.C. Reagan-National
6h 47m
1 stop
YOW5:12 p.m.Ottawa
4 Apr
YOW3:10 p.m.Ottawa
6h 21m
1 stop
DCA9:31 p.m.Washington, D.C. Reagan-National
C$ 1,046
United Airlines
29 Mar
DCA11:55 a.m.Washington, D.C. Reagan-National
5h 12m
1 stop
YOW5:07 p.m.Ottawa
3 Apr
YOW10:25 a.m.Ottawa
1h 36m
DCA12:01 p.m.Washington, D.C. Reagan-National
C$ 1,067
United Airlines
26 Mar
DCA7:30 a.m.Washington, D.C. Reagan-National
9h 42m
1 stop
YOW5:12 p.m.Ottawa
2 Apr
YOW10:25 a.m.Ottawa
1h 36m
DCA12:01 p.m.Washington, D.C. Reagan-National
C$ 1,119

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 96,600 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 25/4

6:50 p.m.-11:06 p.m.

1 stop4h 16m

Ottawa

Sun 26/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 360

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 25/4

8:40 p.m.-1:36 a.m.

1 stop4h 56m

Ottawa

Sun 26/4

5:45 a.m.-10:19 a.m.

1 stop4h 34m

C$ 372

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/4

6:00 a.m.-10:11 a.m.

1 stop4h 11m

Ottawa

Sun 12/4

5:45 a.m.-10:19 a.m.

1 stop4h 34m

C$ 450
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Sun 3/5

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 486

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Sun 3/5

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 487

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Sun 3/5

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 489

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Sun 3/5

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 494

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/4

6:00 a.m.-10:11 a.m.

1 stop4h 11m

Ottawa

Sun 3/5

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 500

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/4

6:00 a.m.-10:11 a.m.

1 stop4h 11m

Ottawa

Sun 12/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 509

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 22/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Thu 30/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 515

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Ottawa from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Ottawa?

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

Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 177. Flights from Washington, D.C. Reagan-National Airport to Ottawa on a Wednesday will generally be more expensive and average around C$ 798. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Washington, D.C. Reagan-National Airport to Ottawa during this time can be as low as C$ 442. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,067 per ticket.

What is the cheapest Washington, D.C. Reagan-National to Ottawa flight route?

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

What cabin class options are available on Washington, D.C. Reagan-National to Ottawa flights?

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Reagan-National Airport to Ottawa flight prices changed over time?

As of March 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Ottawa (DCA to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Ottawa

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Ottawa

1 airport
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 30m
Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa every day.
There is 1 airport in Ottawa. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW).
Search flight deals

  • How far is Washington, D.C. Reagan-National to Ottawa by plane?

    A flight from Washington, D.C. Reagan-National to Ottawa will travel around 737.6 km. 1h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Ottawa Airport.

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

    The travel and health documents you'll need for your trip to Ottawa Airport 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 Ottawa Airport. 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 Washington, D.C. Reagan-National Airport to Ottawa?

Travelling to a place near Ottawa?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Washington, D.C..

Can I find flights from Washington, D.C. to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Ottawa?

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

I’m not ready to book a flight from Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ottawa from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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