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>

$137 CHEAP FLIGHTS from Washington to Ottawa

YOW

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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

Fri, Oct 17 - Sun, Oct 19

1:50 pm - 12:40 amSEA-YOW

7h 50m1 stop

6:00 am - 12:59 pmYOW-SEA

9h 59m1 stop

$242WestJet

Find Deal

Sat, Oct 11 - Sat, Oct 18

1:50 pm - 4:19 pmSEA-YOW

23h 29m2 stops

5:55 am - 12:59 pmYOW-SEA

10h 04m2 stops

$246WestJet

Find Deal

Fri, Oct 17 - Mon, Oct 20

1:50 pm - 12:40 amSEA-YOW

7h 50m1 stop

5:55 am - 12:59 pmYOW-SEA

10h 04m2 stops

$247WestJet

Find Deal

Mon, Sep 22 - Thu, Sep 25

7:40 pm - 8:23 amPDX-YOW

9h 43m1 stop

6:00 pm - 11:01 pmYOW-PDX

8h 01m1 stop

$269Air Canada

Find Deal

Sun, Dec 7 - Fri, Dec 12

7:00 pm - 6:43 amPDX-YOW

8h 43m1 stop

5:45 am - 2:45 pmYOW-PDX

12h 00m2 stops

$274Air Canada

Find Deal

Sun, Nov 2 - Fri, Nov 7

3:10 pm - 6:21 pmSEA-YOW

24h 11m2 stops

5:40 am - 6:32 pmYOW-SEA

15h 52m2 stops

$334

Find Deal

Thu, Oct 2 - Sun, Oct 5

1:50 pm - 12:40 amSEA-YOW

7h 50m1 stop

6:50 pm - 8:29 pmYOW-SEA

28h 39m1 stop

$346

Find Deal

Thu, Oct 16 - Thu, Oct 23

7:00 am - 5:06 pmSEA-YOW

7h 06m1 stop

10:37 am - 10:30 pmYOW-SEA

14h 53m1 stop

$363United Airlines

Find Deal

Sat, Oct 11 - Tue, Oct 14

4:07 pm - 9:58 amPDX-YOW

14h 51m2 stops

5:25 pm - 10:25 pmYOW-PDX

8h 00m1 stop

$373United Airlines

Find Deal

Thu, Oct 9 - Tue, Oct 14

1:45 pm - 12:40 amPDX-YOW

7h 55m1 stop

5:55 am - 8:26 pmYOW-PDX

17h 31m2 stops

$828Delta

Find Deal

Useful Info

Low season	April
High season	August
Cheapest flight	$137

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 12% increase in price.

Flight from Portland 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

YOW

$137 Find Cheap Flights from Washington to Ottawa

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

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