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>

C$ 166 CHEAP FLIGHTS from Washington to Ottawa

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Ottawa

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Ottawa.

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

Choose your dates

7:05 a.m. - 6:21 p.m.SEA-YOW

8h 16m1 stop

6:00 a.m. - 12:58 p.m.YOW-SEA

9h 58m1 stop

C$ 386WestJet

Find Deal

Thu, 29 May - Tue, 3 Jun

7:05 a.m. - 6:21 p.m.SEA-YOW

8h 16m1 stop

3:45 p.m. - 8:28 p.m.YOW-SEA

7h 43m1 stop

C$ 392WestJet

Find Deal

Sun, 1 Jun - Sat, 7 Jun

7:05 a.m. - 6:21 p.m.SEA-YOW

8h 16m1 stop

5:55 a.m. - 12:58 p.m.YOW-SEA

10h 03m2 stops

C$ 406WestJet

Find Deal

Thu, 29 May - Tue, 3 Jun

7:05 a.m. - 6:21 p.m.SEA-YOW

8h 16m1 stop

3:35 p.m. - 2:25 p.m.YOW-SEA

25h 50m2 stops

C$ 421

Find Deal

Thu, 29 May - Tue, 3 Jun

7:05 a.m. - 12:40 a.m.SEA-YOW

14h 35m2 stops

7:50 a.m. - 12:58 p.m.YOW-SEA

8h 08m1 stop

C$ 426

Find Deal

Mon, 28 Apr - Mon, 5 May

5:35 a.m. - 4:19 p.m.SEA-YOW

7h 44m1 stop

2:35 p.m. - 7:37 p.m.YOW-SEA

8h 02m1 stop

C$ 597Air Canada

Find Deal

Wed, 7 May - Thu, 15 May

5:35 a.m. - 7:26 p.m.SEA-YOW

10h 51m2 stops

6:00 p.m. - 10:13 p.m.YOW-SEA

7h 13m1 stop

C$ 604Air Canada

Find Deal

Wed, 7 May - Thu, 15 May

5:15 a.m. - 9:35 p.m.SEA-YOW

13h 20m2 stops

6:30 a.m. - 11:03 p.m.YOW-SEA

19h 33m2 stops

C$ 680United Airlines

Find Deal

Wed, 7 May - Thu, 15 May

11:11 p.m. - 1:10 p.m.SEA-YOW

10h 59m2 stops

6:30 a.m. - 10:59 p.m.YOW-SEA

19h 29m2 stops

C$ 771United Airlines

Find Deal

Sat, 21 Jun - Sat, 28 Jun

12:20 p.m. - 6:45 a.m.SEA-YOW

15h 25m2 stops

5:55 a.m. - 5:49 p.m.YOW-SEA

14h 54m2 stops

C$ 1,092Delta

Find Deal

Sat, 21 Jun - Mon, 30 Jun

Low season	January
High season	July
Cheapest flight	C$ 166

Best time to beat the crowds (4% less expensive on average)

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