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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$132 CHEAP FLIGHTS from Washington to Ottawa

YOW

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$330

Overall average: $694

WestJet

Thu 12/4Mon 12/8

SEA - YOW • 2 stops

Cheapest one-way

$132

Typical prices: $245-$465

Multiple Airlines

Fri 12/5

SEA - YOW • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ottawa!

Flight Deals

Cheap Flights from Washington to Ottawa

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Thu, Dec 4 - Mon, Dec 8

3:10 pm - 6:21 pmSEA-YOW

24h 11m2 stops

6:00 am - 2:20 pmYOW-SEA

11h 20m1 stop

$330WestJet

Find Deal

Tue, Mar 10 - Wed, Mar 11

11:59 pm - 1:32 pmSEA-YOW

10h 33m1 stop

5:11 pm - 10:45 pmYOW-SEA

8h 34m1 stop

$349United Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

12:35 pm - 10:26 amSEA-YOW

18h 51m2 stops

2:15 pm - 8:56 pmYOW-SEA

9h 41m1 stop

$355United Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 31

8:00 pm - 6:43 amSEA-YOW

7h 43m1 stop

5:50 pm - 10:08 pmYOW-SEA

7h 18m1 stop

$363Air Canada

Find Deal

Sat, Feb 28 - Tue, Mar 31

8:00 pm - 6:43 amSEA-YOW

7h 43m1 stop

6:00 am - 3:03 pmYOW-SEA

12h 03m2 stops

$375Air Canada

Find Deal

Sat, Feb 28 - Tue, Mar 31

8:00 pm - 9:23 amSEA-YOW

10h 23m2 stops

6:00 am - 3:03 pmYOW-SEA

12h 03m2 stops

$386Air Canada

Find Deal

Fri, Dec 5 - Tue, Dec 16

10:05 am - 1:38 amSEA-YOW

12h 33m2 stops

7:15 am - 10:16 pmYOW-SEA

18h 01m1 stop

$391Air Canada

Find Deal

Fri, Dec 5 - Tue, Dec 16

8:00 pm - 6:43 amSEA-YOW

7h 43m1 stop

12:05 pm - 10:16 pmYOW-SEA

13h 11m1 stop

$393Air Canada

Find Deal

Fri, Dec 5 - Tue, Dec 16

3:40 pm - 4:51 pmSEA-YOW

22h 11m3 stops

10:20 am - 10:16 pmYOW-SEA

14h 56m1 stop

$431Multiple Airlines

Find Deal

Fri, Nov 28 - Mon, Dec 1

3:10 pm - 2:01 pmSEA-YOW

19h 51m2 stops

5:45 pm - 2:20 pmYOW-SEA

23h 35m1 stop

$473Multiple Airlines

Find Deal

Useful Info

Low season	April
High season	July
Cheapest flight	$132

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly and prices are also 12% lower on average.

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.

Perth

Smiths Falls

Wakefield

Calabogie

Lanark

Ingleside

Everything you need to know for your flight to Ottawa

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Ottawa

Ottawa (YOW)

YOW

$132 Find Cheap Flights from Washington to Ottawa

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

Everything you should know

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

Good to know

FAQs for booking flights from Washington 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.

Traveling to a place near 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

Flights to other popular destinations

Flights from domestic origins to Ottawa

Choose which airport to fly into in Ottawa

Find deals for your return flight