How does KAYAK find such low prices on flights from Washington 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 Washington to Ottawa.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Washington 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 Washington 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 Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$145 CHEAP FLIGHTS from Washington to Ottawa

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Cheap Flights from Washington to Ottawa

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Ottawa

Wed, Sep 9 - Sat, Sep 19

7:35 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

12:25 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

9h 20m2 stops Winnipeg Calgary

$357WestJet

Mon, Sep 21 - Tue, Oct 13

7:35 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

8:15 pm - 9:40 amYOW Ottawa-SEA Seattle/Tacoma Intl

16h 25m1 stop Calgary

$378WestJet

Wed, Sep 9 - Sat, Sep 19

7:35 pm - 12:30 pmSEA Seattle/Tacoma Intl-YOW Ottawa

13h 55m2 stops Calgary Edmonton

12:25 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

9h 20m2 stops Winnipeg Calgary

$395WestJet

Sat, Oct 24 - Sat, Oct 31

7:35 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

7:00 am - 6:26 pmYOW Ottawa-SEA Seattle/Tacoma Intl

14h 26m2 stops Toronto Pearson Intl Los Angeles

$438Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

7:00 am - 5:15 pmSEA Seattle/Tacoma Intl-YOW Ottawa

7h 15m1 stop Calgary

5:00 am - 10:05 amYOW Ottawa-SEA Seattle/Tacoma Intl

8h 05m1 stop Vancouver Intl

$440Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

7:35 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

2:00 pm - 9:40 amYOW Ottawa-SEA Seattle/Tacoma Intl

22h 40m2 stops Hamilton Calgary

$446Multiple Airlines

Fri, Aug 28 - Sat, Sep 5

1:03 pm - 1:59 pmPDX Portland-YOW Ottawa

21h 56m2 stops San Francisco Chicago O'Hare Intl

6:00 am - 2:51 pmYOW Ottawa-PDX Portland

11h 51m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$505Air Canada

Sat, Oct 17 - Wed, Oct 21

5:40 am - 4:23 pmSEA Seattle/Tacoma Intl-YOW Ottawa

7h 43m1 stop Vancouver Intl

6:05 pm - 10:42 pmYOW Ottawa-SEA Seattle/Tacoma Intl

7h 37m1 stop Vancouver Intl

$511Air Canada

Fri, Aug 28 - Sat, Sep 5

8:25 am - 6:55 pmPDX Portland-YOW Ottawa

7h 30m1 stop Washington, D.C. Dulles Intl

6:25 am - 11:28 amYOW Ottawa-PDX Portland

8h 03m1 stop Chicago O'Hare Intl

$516United Airlines

Thu, Oct 22 - Sat, Oct 24

8:30 am - 9:35 pmPDX Portland-YOW Ottawa

10h 05m1 stop Chicago O'Hare Intl

6:25 am - 11:33 amYOW Ottawa-PDX Portland

8h 08m1 stop Chicago O'Hare Intl

$521United Airlines

Recent last minute flight deals from Washington to Ottawa

Tue, Aug 11 - Wed, Sep 2

11:18 pm - 5:23 pmSEA Seattle/Tacoma Intl-YOW Ottawa

15h 05m1 stop Boston Logan Intl

6:15 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

27h 30m2 stops Edmonton Calgary

$751Multiple Airlines

Tue, Aug 11 - Wed, Sep 2

11:18 pm - 5:23 pmSEA Seattle/Tacoma Intl-YOW Ottawa

15h 05m1 stop Boston Logan Intl

8:15 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

25h 30m1 stop Calgary

$760Multiple Airlines

Tue, Aug 11 - Wed, Sep 2

12:36 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

13h 59m2 stops Los Angeles Calgary

6:25 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

27h 20m2 stops Toronto Pearson Intl Calgary

$871WestJet

Sun, Aug 9 - Tue, Aug 25

5:59 am - 9:20 pmPDX Portland-YOW Ottawa

12h 21m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 6:00 pmYOW Ottawa-PDX Portland

14h 00m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$886American Airlines

Tue, Aug 11 - Sat, Aug 22

10:05 am - 4:20 pmSEA Seattle/Tacoma Intl-YOW Ottawa

27h 15m1 stop Newark

7:00 am - 9:19 amYOW Ottawa-SEA Seattle/Tacoma Intl

29h 19m2 stops Orlando Denver Intl

$921Multiple Airlines

Sun, Aug 9 - Tue, Aug 25

6:19 am - 2:55 pmPDX Portland-YOW Ottawa

29h 36m2 stops Seattle/Tacoma Intl Fort Lauderdale

2:10 pm - 9:48 amYOW Ottawa-PDX Portland

22h 38m1 stop Newark

$947Multiple Airlines

Sun, Aug 9 - Tue, Aug 25

7:40 am - 4:20 pmPDX Portland-YOW Ottawa

29h 40m1 stop Newark

2:10 pm - 9:48 amYOW Ottawa-PDX Portland

22h 38m1 stop Newark

$967Multiple Airlines

Tue, Aug 11 - Sat, Aug 22

10:05 am - 4:20 pmSEA Seattle/Tacoma Intl-YOW Ottawa

27h 15m1 stop Newark

1:20 pm - 6:45 pmYOW Ottawa-SEA Seattle/Tacoma Intl

8h 25m1 stop Calgary

$999Multiple Airlines

Tue, Aug 11 - Wed, Sep 2

10:30 am - 12:25 amSEA Seattle/Tacoma Intl-YOW Ottawa

10h 55m2 stops Calgary Toronto Pearson Intl

6:25 pm - 9:40 amYOW Ottawa-SEA Seattle/Tacoma Intl

18h 15m3 stops Toronto Pearson Intl Winnipeg Calgary

$1,007Multiple Airlines

Tue, Aug 11 - Sat, Aug 22

12:36 pm - 5:35 amSEA Seattle/Tacoma Intl-YOW Ottawa

13h 59m2 stops Los Angeles Calgary

12:25 pm - 9:00 pmYOW Ottawa-SEA Seattle/Tacoma Intl

11h 35m2 stops Winnipeg Calgary

$1,053WestJet

Useful Info

Low season	January
High season	June
Cheapest flight	$145

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

Most popular time to fly with an average 1% increase in price.

Flight from Seattle to Ottawa

How does KAYAK find such low prices on flights from Washington 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 Washington to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Washington 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 Washington 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 Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ottawa

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Ottawa (YOW)

YOW

$145 Find Cheap Flights from Washington to Ottawa - Compare and Save

Cheap Flights from Washington to Ottawa

Recent round-trip flight deals from Washington to Ottawa

Recent one-way flight deals from Washington to Ottawa

Recent last minute flight deals from Washington to Ottawa

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FAQs for booking flights from Washington to Ottawa

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

Cabin class types available on flights to Washington

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

Find direct flights for Ottawa

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Choose which airport to fly into in Ottawa

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