How does KAYAK find such low prices on flights from Maryland to Ottawa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Ottawa.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Maryland to Ottawa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Maryland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Ottawa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

C$ 201 CHEAP FLIGHTS from Maryland to Ottawa

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Cheap Flights from Maryland to Ottawa

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maryland to Ottawa

Fri, 2 Oct - Fri, 9 Oct

3:50 p.m. - 9:42 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 52m1 stop Toronto Island

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 426Porter Airlines

Sun, 4 Oct - Sun, 11 Oct

3:50 p.m. - 9:42 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 52m1 stop Toronto Island

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 429Porter Airlines

Fri, 18 Sep - Fri, 25 Sep

3:50 p.m. - 8:02 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 12m1 stop Toronto Island

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 441Porter Airlines

Sat, 19 Sep - Sun, 20 Sep

11:25 a.m. - 7:07 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

7h 42m1 stop Toronto Island

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 452Porter Airlines

Sun, 4 Oct - Sat, 10 Oct

11:25 a.m. - 5:52 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 27m1 stop Toronto Island

12:15 p.m. - 4:41 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 26m1 stop Toronto Island

C$ 470Multiple Airlines

Fri, 25 Sep - Mon, 28 Sep

3:50 p.m. - 12:52 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

21h 02m1 stop Toronto Island

6:55 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 15m1 stop Toronto Pearson Intl

C$ 476Multiple Airlines

Sun, 25 Oct - Fri, 30 Oct

11:20 a.m. - 4:09 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 49m1 stop Toronto Island

12:15 p.m. - 5:43 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

5h 28m1 stop Toronto Island

C$ 484Porter Airlines

Fri, 2 Oct - Sun, 4 Oct

3:50 p.m. - 12:20 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 30m1 stop Toronto Island

6:50 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 20m1 stop Toronto Pearson Intl

C$ 484Multiple Airlines

Tue, 8 Sep - Fri, 11 Sep

3:50 p.m. - 8:05 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

16h 15m1 stop Toronto Island

6:25 p.m. - 10:45 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

16h 20m1 stop Toronto Pearson Intl

C$ 484Multiple Airlines

Fri, 25 Sep - Sun, 27 Sep

3:50 p.m. - 12:20 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 30m1 stop Toronto Island

6:25 p.m. - 10:45 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

16h 20m1 stop Toronto Pearson Intl

C$ 488Multiple Airlines

Recent last minute flight deals from Maryland to Ottawa

Tue, 25 Aug - Mon, 31 Aug

6:09 p.m. - 9:00 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

26h 51m2 stops Fort Lauderdale Toronto Pearson Intl

7:00 a.m. - 7:44 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

C$ 782Multiple Airlines

Sat, 22 Aug - Tue, 1 Sep

2:59 p.m. - 8:10 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

5h 11m1 stop Toronto Pearson Intl

7:00 a.m. - 12:44 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

C$ 856American Airlines

Sun, 23 Aug - Sat, 29 Aug

7:25 a.m. - 5:23 p.m.PHL Philadelphia-YOW Ottawa

9h 58m2 stops Raleigh-Durham Boston Logan Intl

7:00 a.m. - 10:59 p.m.YOW Ottawa-PHL Philadelphia

15h 59m1 stop Fort Lauderdale

C$ 863Multiple Airlines

Sat, 22 Aug - Tue, 1 Sep

2:59 p.m. - 8:10 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

5h 11m1 stop Toronto Pearson Intl

8:40 a.m. - 6:14 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

9h 34m2 stops Toronto Pearson Intl Charlotte Douglas

C$ 878American Airlines

Wed, 26 Aug - Mon, 31 Aug

3:50 p.m. - 12:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

21h 04m1 stop Toronto Island

7:00 a.m. - 7:44 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

C$ 900Multiple Airlines

Tue, 25 Aug - Mon, 31 Aug

3:50 p.m. - 12:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

21h 04m1 stop Toronto Island

7:00 a.m. - 7:44 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

C$ 902Multiple Airlines

Sun, 23 Aug - Sat, 29 Aug

3:50 p.m. - 12:20 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 30m1 stop Toronto Island

7:00 a.m. - 7:44 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

C$ 904Multiple Airlines

Wed, 26 Aug - Mon, 31 Aug

6:09 p.m. - 9:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

27h 11m2 stops Fort Lauderdale Toronto Pearson Intl

7:00 a.m. - 7:44 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

C$ 909Multiple Airlines

Sat, 22 Aug - Tue, 1 Sep

6:09 p.m. - 9:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

27h 11m2 stops Fort Lauderdale Toronto Pearson Intl

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 910Multiple Airlines

Sat, 22 Aug - Tue, 1 Sep

3:50 p.m. - 5:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

26h 04m1 stop Toronto Island

10:40 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

C$ 915Porter Airlines

Recent direct flight deals from Maryland to Ottawa

Sun, 4 Oct - Sun, 11 Oct

12:40 p.m. - 2:10 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 30mdirect

10:25 a.m. - 12:00 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 35mdirect

C$ 517Air Canada

Thu, 10 Sep - Mon, 14 Sep

12:55 p.m. - 2:27 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mdirect

10:40 a.m. - 12:14 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 520Air Canada

Tue, 15 Sep - Sun, 20 Sep

12:55 p.m. - 2:27 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mdirect

10:40 a.m. - 12:14 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 531Air Canada

Thu, 10 Sep - Mon, 14 Sep

10:10 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mdirect

7:30 p.m. - 9:14 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mdirect

C$ 563Lufthansa

Sat, 3 Oct - Sat, 10 Oct

12:35 p.m. - 2:17 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 42mdirect

6:00 a.m. - 7:43 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mdirect

C$ 567Lufthansa

Fri, 2 Oct - Sun, 4 Oct

8:15 a.m. - 9:56 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mdirect

6:00 a.m. - 7:43 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mdirect

C$ 575Lufthansa

Sat, 19 Sep - Sun, 20 Sep

10:10 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mdirect

7:30 p.m. - 9:14 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mdirect

C$ 589Lufthansa

Sat, 26 Sep - Tue, 29 Sep

10:10 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mdirect

6:00 a.m. - 7:43 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mdirect

C$ 605United Airlines

Sat, 26 Sep - Tue, 29 Sep

12:35 p.m. - 2:17 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 42mdirect

2:52 p.m. - 4:35 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mdirect

C$ 605United Airlines

Thu, 17 Sep - Sun, 20 Sep

10:10 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mdirect

7:30 p.m. - 9:14 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mdirect

C$ 605United Airlines

Useful Info

Low season	February
High season	June
Cheapest flight	C$ 201

Best time to beat the crowds (7% less expensive on average)

Most popular time to fly (3% more expensive on average)

Flight from Washington Dulles Airport to Ottawa

How does KAYAK find such low prices on flights from Maryland to Ottawa?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maryland to Ottawa?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Maryland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Ottawa?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Gatineau

Perth

Calabogie

Wakefield

Petawawa

Prescott

Jasper

Winchester

Ingleside

Lanark

Everything you need to know for your flight to Ottawa

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Information on the airport you'll fly into in Ottawa

Ottawa (YOW)

C$ 201 Find Cheap Flights from Maryland to Ottawa – Compare and Save

Cheap Flights from Maryland to Ottawa

Recent round-trip flight deals from Maryland to Ottawa

Recent one-way flight deals from Maryland to Ottawa

Recent last minute flight deals from Maryland to Ottawa

Recent direct flight deals from Maryland to Ottawa

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Low season

High season

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FAQs for booking flights from Maryland to Ottawa

Travelling to a place near Ottawa?

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

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Complete your trip to Ottawa with a hotel stay or car rental

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Choose which airport to fly into in Ottawa

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