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.

$133 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, Oct 13 - Wed, Oct 14

6:59 am - 12:45 amDCA Washington, D.C. Reagan-National-YOW Ottawa

17h 46m1 stop Toronto Pearson Intl

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

1h 34mnonstop

$279Air Canada

Tue, Oct 13 - Wed, Oct 14

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

4h 32m1 stop Toronto Island

6:00 am - 2:57 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 57m1 stop Montreal Pierre Elliott Trudeau Intl

$285Air Canada

Tue, Oct 13 - Wed, Oct 14

4:20 pm - 10:10 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 50m1 stop Montreal Pierre Elliott Trudeau Intl

9:00 am - 6:15 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

9h 15m1 stop Toronto Pearson Intl

$289Air Canada

Sun, Oct 4 - Fri, Oct 9

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

$331Porter Airlines

Sun, Oct 4 - Sun, Oct 11

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

$336Porter Airlines

Tue, Oct 20 - Tue, Oct 27

11:25 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

25h 27m1 stop Toronto Island

7:05 am - 8:11 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

$338Multiple Airlines

Tue, Sep 29 - Mon, Oct 5

11:25 am - 8:05 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 40m1 stop Toronto Island

6:50 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 20m1 stop Toronto Pearson Intl

$338Multiple Airlines

Mon, Oct 19 - Fri, Oct 23

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

$338Porter Airlines

Sun, Nov 1 - Sun, Nov 22

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

2:00 pm - 3:53 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 53mnonstop

$514United Airlines

Tue, Nov 3 - Fri, Nov 27

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

9:45 am - 11:48 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

$514United Airlines

Recent last minute flight deals from Maryland to Ottawa

Tue, Sep 15 - Tue, Sep 22

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

4h 32m1 stop Toronto Island

2:45 pm - 7:00 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Montreal Pierre Elliott Trudeau Intl

$423Air Canada

Tue, Sep 15 - Tue, Sep 22

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

$504Air Canada

Tue, Sep 15 - Tue, Sep 22

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

$509Air Canada

Fri, Sep 11 - Mon, Sep 14

6:46 pm - 2:33 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

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

7:00 am - 8:09 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

$555Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

6:13 pm - 3:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 54m1 stop Fort Lauderdale

7:00 am - 8:09 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

$558Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

3:00 pm - 8:00 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 00m1 stop Toronto Pearson Intl

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$607American Airlines

Tue, Sep 15 - Tue, Sep 22

3:00 pm - 8:00 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 00m1 stop Toronto Pearson Intl

7:00 am - 12:44 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

5h 44m1 stop Toronto Pearson Intl

$788Porter Airlines

Mon, Sep 14 - Tue, Sep 22

9:30 am - 9:35 pmPHL Philadelphia-YOW Ottawa

12h 05m1 stop Chicago O'Hare Intl

10:00 am - 2:20 pmYOW Ottawa-PHL Philadelphia

4h 20m1 stop Washington, D.C. Dulles Intl

$959United Airlines

Mon, Sep 14 - Thu, Sep 17

12:35 pm - 2:17 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 42mnonstop

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

1h 43mnonstop

$997United Airlines

Thu, Sep 10 - Thu, Sep 10

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

6h 27m1 stop Toronto Island

8:50 pm - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

18h 20m1 stop Toronto Island

$1,104Porter Airlines

Recent direct flight deals from Maryland to Ottawa

Fri, Nov 6 - Sun, Nov 8

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

$330Air 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

$340Air Canada

Thu, Oct 1 - Mon, Oct 5

12:40 pm - 2:12 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

$340Air Canada

Fri, Sep 25 - Sun, Sep 27

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

$340Air Canada

Sun, Nov 1 - Sun, Nov 22

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

2:00 pm - 3:53 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 53mnonstop

$514United Airlines

Tue, Nov 3 - Fri, Nov 27

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

9:45 am - 11:48 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

$514United Airlines

Thu, Nov 5 - Thu, Dec 3

5:37 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

2:00 pm - 3:53 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 53mnonstop

$514United Airlines

Tue, Nov 3 - Wed, Nov 25

1:19 pm - 3:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 48mnonstop

2:00 pm - 3:53 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 53mnonstop

$550Multiple Airlines

Fri, Oct 2 - Sun, Oct 11

12:40 pm - 2:12 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

$579Multiple Airlines

Thu, Jan 14 - Mon, Jan 18

1:20 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

2:00 pm - 4:01 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$600Multiple Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$133

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly and prices are also 9% 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.