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$ 193 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

Tue, 13 Oct - Wed, 14 Oct

8:40 p.m. - 1:35 a.m.DCA Washington, D.C. Reagan-National-YOW Ottawa

4h 55m1 stop Toronto Pearson Intl

6:00 a.m. - 10:20 a.m.YOW Ottawa-DCA Washington, D.C. Reagan-National

4h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 373Air Canada

Tue, 3 Nov - Tue, 10 Nov

6:07 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

23h 13m1 stop Fort Lauderdale

7:05 a.m. - 8:11 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

C$ 413Multiple Airlines

Sat, 31 Oct - Mon, 2 Nov

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$ 460Porter Airlines

Tue, 20 Oct - Thu, 22 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$ 461Porter Airlines

Tue, 3 Nov - Tue, 10 Nov

9:06 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 14m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

7:05 a.m. - 8:11 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

C$ 474Multiple Airlines

Mon, 12 Oct - Thu, 15 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$ 479Porter Airlines

Wed, 4 Nov - Wed, 11 Nov

11:20 a.m. - 1:14 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

25h 54m1 stop Toronto Island

7:05 a.m. - 8:11 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

C$ 489Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

5:40 a.m. - 2:45 p.m.BWI Baltimore/Washington-YOW Ottawa

9h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

7:05 a.m. - 1:01 p.m.YOW Ottawa-BWI Baltimore/Washington

29h 56m1 stop Fort Lauderdale

C$ 489Multiple Airlines

Wed, 28 Oct - Sun, 1 Nov

6:07 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

23h 13m1 stop Fort Lauderdale

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

5h 28m1 stop Toronto Island

C$ 492Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

9:59 p.m. - 10:15 p.m.BWI Baltimore/Washington-YOW Ottawa

24h 16m2 stops Tampa Toronto Pearson Intl

7:05 a.m. - 1:01 p.m.YOW Ottawa-BWI Baltimore/Washington

29h 56m1 stop Fort Lauderdale

C$ 492Multiple Airlines

Recent last minute flight deals from Maryland to Ottawa

Sun, 27 Sep - Sun, 11 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$ 847United Airlines

Sun, 27 Sep - Sun, 11 Oct

1:10 p.m. - 9:35 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 25m1 stop Chicago O'Hare Intl

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

1h 43mdirect

C$ 861United Airlines

Sun, 27 Sep - Sun, 11 Oct

8:20 a.m. - 1:59 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 39m1 stop Chicago O'Hare Intl

6:01 p.m. - 10:59 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 58m1 stop Newark

C$ 882United Airlines

Sun, 27 Sep - Fri, 2 Oct

11:25 a.m. - 2:55 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

27h 30m1 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$ 908Porter Airlines

Sun, 27 Sep - Thu, 1 Oct

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

20h 54m1 stop Fort Lauderdale

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

4h 30m1 stop Toronto Island

C$ 938Multiple Airlines

Sun, 27 Sep - Thu, 1 Oct

6:13 p.m. - 12:20 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

30h 07m2 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$ 939Multiple Airlines

Sun, 27 Sep - Fri, 2 Oct

6:13 p.m. - 12:20 a.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

30h 07m2 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$ 942Multiple Airlines

Sat, 26 Sep - Mon, 28 Sep

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

7h 42m1 stop Toronto Island

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

13h 09m1 stop Fort Lauderdale

C$ 988Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

3:50 p.m. - 5:52 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

26h 02m1 stop Toronto Island

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

13h 09m1 stop Fort Lauderdale

C$ 995Multiple Airlines

Fri, 25 Sep - Mon, 28 Sep

6:36 p.m. - 2:33 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

19h 57m2 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$ 1,020Multiple Airlines

Recent direct flight deals from Maryland to Ottawa

Tue, 6 Oct - Thu, 15 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$ 566United Airlines

Thu, 8 Oct - Sun, 11 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$ 587United Airlines

Wed, 23 Dec - Sun, 27 Dec

1:17 p.m. - 3:07 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mdirect

2:00 p.m. - 4:01 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mdirect

C$ 615United Airlines

Thu, 24 Dec - Mon, 28 Dec

5:40 p.m. - 7:27 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 47mdirect

2:00 p.m. - 4:01 p.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mdirect

C$ 627United Airlines

Fri, 30 Oct - Sun, 1 Nov

5:37 p.m. - 7:27 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mdirect

9:45 a.m. - 11:48 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mdirect

C$ 628United Airlines

Sun, 22 Nov - Wed, 25 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$ 655Air Canada

Sun, 1 Nov - Sun, 8 Nov

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

1h 48mdirect

9:45 a.m. - 11:48 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mdirect

C$ 655Air Canada

Thu, 10 Dec - Sun, 13 Dec

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$ 660United Airlines

Sun, 22 Nov - Wed, 25 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$ 662Air Canada

Sun, 22 Nov - Wed, 25 Nov

5:37 p.m. - 7:27 p.m.IAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mdirect

9:45 a.m. - 11:48 a.m.YOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mdirect

C$ 662Air Canada

Useful Info

Low season	January
High season	June
Cheapest flight	C$ 193

Best time to beat the crowds (3% less expensive on average)

Most popular time to fly (5% more expensive on average)

Flight from Baltimore 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.