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.

$144 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, Oct 16 - Sun, Oct 18

3:50 pm - 9:42 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 52m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$311Porter Airlines

Thu, Oct 15 - Fri, Oct 16

3:50 pm - 9:42 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 52m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$314Porter Airlines

Fri, Oct 16 - Mon, Oct 19

3:50 pm - 9:42 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

5h 52m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$321Porter Airlines

Mon, Sep 14 - Mon, Sep 21

6:00 am - 5:35 amBWI Baltimore/Washington-YOW Ottawa

23h 35m2 stops Atlanta Hartsfield-Jackson Calgary

7:00 am - 1:00 pmYOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

$338Multiple Airlines

Sun, Oct 4 - Sat, Oct 10

11:25 am - 5:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 27m1 stop Toronto Island

12:15 pm - 4:41 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 26m1 stop Toronto Island

$341Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

11:25 am - 5:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 27m1 stop Toronto Island

11:15 am - 3:00 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

3h 45m1 stop Montreal Pierre Elliott Trudeau Intl

$346Multiple Airlines

Sun, Oct 4 - Sat, Oct 10

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$375Air Canada

Wed, Sep 23 - Sat, Sep 26

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$377Air Canada

Sat, Oct 17 - Sat, Oct 17

6:45 am - 4:38 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

9h 53m1 stop Newark

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$407United Airlines

Mon, Oct 19 - Mon, Oct 19

12:38 pm - 4:38 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 00m1 stop Newark

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$407United Airlines

Recent last minute flight deals from Maryland to Ottawa

Tue, Aug 25 - Mon, Aug 31

6:09 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

26h 51m2 stops Fort Lauderdale Toronto Pearson Intl

7:00 am - 7:44 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

$567Multiple Airlines

Fri, Aug 28 - Mon, Aug 31

6:09 pm - 2:55 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 46m1 stop Fort Lauderdale

7:00 am - 7:44 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

12h 44m1 stop Fort Lauderdale

$606Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

3:50 pm - 12:20 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

8h 30m1 stop Toronto Island

6:55 am - 7:44 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

36h 49m2 stops Toronto Pearson Intl Fort Lauderdale

$621Multiple Airlines

Fri, Aug 28 - Sun, Aug 30

11:25 am - 10:14 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

22h 49m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$755Porter Airlines

Sat, Aug 29 - Sun, Aug 30

3:50 pm - 7:14 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

3h 24m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$767Porter Airlines

Thu, Aug 27 - Mon, Aug 31

3:50 pm - 8:04 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 14m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$782Porter Airlines

Wed, Aug 26 - Mon, Aug 31

4:20 pm - 8:15 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

15h 55m1 stop Toronto Pearson Intl

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$953Air Canada

Wed, Aug 26 - Mon, Aug 31

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

2:52 pm - 4:35 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$973Air Canada

Sat, Aug 29 - Sun, Aug 30

5:55 pm - 9:11 amDCA Washington, D.C. Reagan-National-YOW Ottawa

15h 16m1 stop Newark

12:00 pm - 6:12 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

6h 12m1 stop Toronto Pearson Intl

$977United Airlines

Thu, Aug 27 - Mon, Aug 31

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

2:52 pm - 4:35 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$997United Airlines

Recent direct flight deals from Maryland to Ottawa

Sun, Oct 4 - Sat, Oct 10

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$375Air Canada

Wed, Sep 23 - Sat, Sep 26

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$377Air Canada

Thu, Oct 29 - Mon, Nov 2

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$377Air Canada

Wed, Nov 4 - Sat, Nov 7

12:55 pm - 2:29 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 34mnonstop

10:30 am - 12:19 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$377Air Canada

Tue, Oct 6 - Tue, Oct 13

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$411Lufthansa

Wed, Sep 16 - Wed, Sep 23

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$439United Airlines

Tue, Sep 29 - Thu, Oct 1

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

2:52 pm - 4:35 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$439United Airlines

Fri, Oct 2 - Sun, Oct 4

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$439United Airlines

Fri, Sep 18 - Fri, Sep 25

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$525Multiple Airlines

Sat, Sep 26 - Tue, Sep 29

8:15 am - 9:56 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 41mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$525Multiple Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$144

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 3% increase in price.

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.

Perth

Smiths Falls

Wakefield

Calabogie

Lanark

Ingleside

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)

YOW

$144 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

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Everything you need to know for your flight to Ottawa

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

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