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$ 184 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

Thu, 1 Oct - Mon, 5 Oct

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

8h 30m1 stop Toronto Island

7:15 a.m. - 8:09 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 54m1 stop Fort Lauderdale

C$ 448Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

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$ 452Porter 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$ 452Multiple Airlines

Fri, 6 Nov - Sun, 8 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$ 456Air Canada

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$ 464Porter Airlines

Fri, 2 Oct - Mon, 5 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$ 464Porter Airlines

Thu, 1 Oct - Thu, 8 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$ 464Porter Airlines

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$ 466Porter Airlines

Mon, 19 Oct - Fri, 23 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$ 467Porter Airlines

Fri, 16 Oct - Mon, 19 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$ 467Porter Airlines

Recent last minute flight deals from Maryland to Ottawa

Sat, 12 Sep - Mon, 14 Sep

1:55 p.m. - 8:00 p.m.BWI Baltimore/Washington-YOW Ottawa

30h 05m2 stops Fort Lauderdale Toronto Pearson Intl

7:00 a.m. - 1:00 p.m.YOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

C$ 621Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

1:55 p.m. - 3:07 p.m.BWI Baltimore/Washington-YOW Ottawa

25h 12m1 stop Fort Lauderdale

7:00 a.m. - 8:26 p.m.YOW Ottawa-BWI Baltimore/Washington

37h 26m2 stops Fort Lauderdale San Juan Luis Munoz Marin Intl

C$ 674Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

1:55 p.m. - 3:07 p.m.BWI Baltimore/Washington-YOW Ottawa

25h 12m1 stop Fort Lauderdale

7:00 a.m. - 1:00 p.m.YOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

C$ 684Multiple Airlines

Fri, 11 Sep - Mon, 14 Sep

9:25 p.m. - 3:07 p.m.BWI Baltimore/Washington-YOW Ottawa

17h 42m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

7:00 a.m. - 1:00 p.m.YOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

C$ 739Multiple Airlines

Fri, 11 Sep - Mon, 14 Sep

6:46 p.m. - 2:33 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

19h 47m2 stops Blountville Tri Cities TN/VA Orlando

7:00 a.m. - 8:09 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

C$ 767Multiple Airlines

Fri, 11 Sep - Mon, 14 Sep

6:13 p.m. - 3:07 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 54m1 stop Fort Lauderdale

7:00 a.m. - 8:09 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

C$ 771Multiple Airlines

Tue, 8 Sep - Sat, 12 Sep

11:05 a.m. - 5:35 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

30h 30m2 stops Orlando Toronto Pearson Intl

7:00 a.m. - 8:09 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

C$ 773Multiple Airlines

Fri, 11 Sep - Mon, 14 Sep

9:32 p.m. - 2:33 p.m.BWI Baltimore/Washington-YOW Ottawa

17h 01m1 stop Orlando

7:00 a.m. - 1:00 p.m.YOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

C$ 775Multiple Airlines

Tue, 8 Sep - Sat, 12 Sep

12:09 p.m. - 5:35 p.m.BWI Baltimore/Washington-YOW Ottawa

29h 26m2 stops Orlando Toronto Pearson Intl

7:00 a.m. - 6:09 p.m.YOW Ottawa-BWI Baltimore/Washington

11h 09m1 stop Orlando

C$ 802Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

1:55 p.m. - 3:07 p.m.BWI Baltimore/Washington-YOW Ottawa

25h 12m1 stop Fort Lauderdale

6:55 a.m. - 8:31 a.m.YOW Ottawa-BWI Baltimore/Washington

25h 36m2 stops Toronto Pearson Intl Orlando

C$ 804Multiple Airlines

Recent direct flight deals from Maryland to Ottawa

Fri, 6 Nov - Sun, 8 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$ 456Air Canada

Thu, 1 Oct - Sun, 4 Oct

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

1h 32mdirect

10:35 a.m. - 12:09 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 514Air Canada

Tue, 24 Nov - Mon, 30 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$ 514Air Canada

Tue, 13 Oct - Sun, 18 Oct

12:50 p.m. - 2:22 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mdirect

10:35 a.m. - 12:09 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 514Air Canada

Fri, 9 Oct - Tue, 13 Oct

12:50 p.m. - 2:22 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mdirect

10:35 a.m. - 12:09 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 514Air Canada

Sat, 7 Nov - Sun, 8 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$ 535Air Canada

Fri, 2 Oct - Tue, 13 Oct

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

1h 32mdirect

10:35 a.m. - 12:09 p.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 535Air 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$ 535Air Canada

Tue, 20 Oct - Tue, 27 Oct

12:50 p.m. - 2:22 p.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mdirect

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

1h 49mdirect

C$ 535Air Canada

Tue, 10 Nov - Sat, 14 Nov

1:19 p.m. - 3:07 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 48mdirect

2:00 p.m. - 3:53 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 53mdirect

C$ 607United Airlines

Useful Info

Low season	February
High season	December
Cheapest flight	C$ 184

Best time to beat the crowds (12% less expensive on average)

Most popular time to fly and prices are also 6% lower 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.