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$ 195 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

Sun, 6 Sep - Sun, 13 Sep

12:05 p.m. - 5:52 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 47m1 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$ 439Porter Airlines

Thu, 24 Sep - Thu, 1 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$ 442Porter Airlines

Tue, 8 Sep - Fri, 11 Sep

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

6h 27m1 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$ 444Porter Airlines

Fri, 18 Sep - Mon, 21 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$ 446Porter Airlines

Wed, 9 Sep - Wed, 16 Sep

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. - 4:38 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 23m1 stop Toronto Island

C$ 481Multiple Airlines

Thu, 8 Oct - Sun, 11 Oct

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

6h 27m1 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$ 483Porter Airlines

Sun, 4 Oct - Sun, 11 Oct

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

6h 27m1 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$ 486Porter Airlines

Mon, 14 Sep - Mon, 21 Sep

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$ 488Porter Airlines

Sun, 6 Sep - Sun, 13 Sep

4:25 p.m. - 9:52 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 27m1 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$ 499Porter Airlines

Tue, 6 Oct - Thu, 15 Oct

11:25 a.m. - 8:02 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 37m1 stop Toronto Island

8:00 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Toronto Island

C$ 500Porter Airlines

Recent last minute flight deals from Maryland to Ottawa

Thu, 13 Aug - Sun, 16 Aug

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

1h 41mdirect

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

4h 30m1 stop Toronto Island

C$ 836Porter Airlines

Fri, 14 Aug - Tue, 18 Aug

11:25 a.m. - 5:54 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 29m1 stop Toronto Island

8:00 a.m. - 3:10 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Toronto Island

C$ 953Porter Airlines

Fri, 14 Aug - Fri, 21 Aug

11:25 a.m. - 10:14 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

22h 49m1 stop Toronto Island

8:45 p.m. - 10:45 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Toronto Island

C$ 976Porter Airlines

Sat, 15 Aug - Sat, 29 Aug

6:00 a.m. - 7:44 p.m.PHL Philadelphia-YOW Ottawa

13h 44m2 stops Fort Lauderdale Hamilton

7:00 a.m. - 3:56 p.m.YOW Ottawa-PHL Philadelphia

8h 56m1 stop Fort Lauderdale

C$ 978Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

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

1h 44mdirect

2:30 p.m. - 10:59 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 29m2 stops Boston Logan Intl Newark

C$ 979Porter Airlines

Sat, 15 Aug - Wed, 19 Aug

6:49 a.m. - 4:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

33h 31m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

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

8h 15m1 stop Toronto Pearson Intl

C$ 1,004Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

6:09 p.m. - 7:44 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

25h 35m2 stops Fort Lauderdale Hamilton

8:45 p.m. - 10:45 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Toronto Island

C$ 1,054Multiple Airlines

Sat, 15 Aug - Tue, 18 Aug

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

20h 45m1 stop Toronto Pearson Intl

C$ 1,056Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

6:55 p.m. - 12:45 a.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

5h 50m1 stop Toronto Pearson Intl

6:00 p.m. - 10:31 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

4h 31m1 stop Toronto Pearson Intl

C$ 1,057Air Canada

Sat, 15 Aug - Wed, 19 Aug

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

8h 30m1 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$ 1,089Multiple Airlines

Recent direct flight deals from Maryland to Ottawa

Sat, 5 Sep - Mon, 7 Sep

12:55 p.m. - 2:26 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mdirect

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

1h 34mdirect

C$ 511Air Canada

Sat, 26 Sep - Tue, 29 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$ 513Air Canada

Sun, 6 Sep - Sun, 13 Sep

12:55 p.m. - 2:26 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mdirect

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

1h 34mdirect

C$ 536Air Canada

Sat, 5 Sep - Mon, 7 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$ 566Lufthansa

Mon, 7 Sep - Mon, 14 Sep

12:55 p.m. - 2:26 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mdirect

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

1h 34mdirect

C$ 577Air Canada

Wed, 4 Nov - Sat, 7 Nov

12:55 p.m. - 2:29 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mdirect

10:30 a.m. - 12:19 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mdirect

C$ 596Air Canada

Thu, 27 Aug - Mon, 31 Aug

12:40 p.m. - 2:11 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mdirect

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

1h 35mdirect

C$ 600Air Canada

Sat, 29 Aug - Tue, 1 Sep

12:40 p.m. - 2:11 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 31mdirect

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

1h 35mdirect

C$ 610Air Canada

Tue, 1 Sep - Tue, 1 Sep

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

1h 41mdirect

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

1h 44mdirect

C$ 611United Airlines

Sat, 19 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$ 611Air Canada

Useful Info

Low season	February
High season	June
Cheapest flight	C$ 195

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly (4% 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

Winchester

Ingleside

Jasper

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$ 195 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

Cheapest flight

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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