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$ 164 CHEAP FLIGHTS from Washington to Ottawa

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

...and more

Travellers love KAYAK

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

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

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

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

6:10 a.m. - 12:31 p.m.YOW-SEA

9h 21m1 stop

C$ 364WestJet

Find Deal

Fri, 6 Jun - Fri, 13 Jun

1:45 p.m. - 5:25 a.m.PDX-YOW

12h 40m2 stops

7:50 a.m. - 12:52 p.m.YOW-PDX

8h 02m1 stop

C$ 368WestJet

Find Deal

Thu, 5 Jun - Thu, 12 Jun

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

8h 16m1 stop

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

9h 58m2 stops

C$ 419

Find Deal

Fri, 6 Jun - Fri, 13 Jun

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

8h 16m1 stop

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

9h 58m2 stops

C$ 422

Find Deal

Fri, 6 Jun - Fri, 13 Jun

7:20 a.m. - 8:17 p.m.SEA-YOW

9h 57m1 stop

2:25 p.m. - 8:37 p.m.YOW-SEA

9h 12m1 stop

C$ 496Air Canada

Find Deal

Sat, 7 Jun - Sat, 14 Jun

7:15 p.m. - 8:19 a.m.SEA-YOW

10h 04m2 stops

2:25 p.m. - 8:37 p.m.YOW-SEA

9h 12m1 stop

C$ 528Air Canada

Find Deal

Sat, 7 Jun - Sat, 14 Jun

10:15 p.m. - 1:09 p.m.SEA-YOW

11h 54m2 stops

7:29 p.m. - 8:01 a.m.YOW-SEA

15h 32m2 stops

C$ 655United Airlines

Find Deal

Fri, 6 Jun - Fri, 13 Jun

12:20 a.m. - 5:06 p.m.SEA-YOW

13h 46m1 stop

5:15 a.m. - 11:10 a.m.YOW-SEA

8h 55m1 stop

C$ 666United Airlines

Find Deal

Thu, 24 Jul - Fri, 1 Aug

5:35 a.m. - 12:41 a.m.PDX-YOW

16h 06m2 stops

5:55 a.m. - 8:23 p.m.YOW-PDX

17h 28m2 stops

C$ 773Delta

Find Deal

Tue, 3 Jun - Mon, 9 Jun

6:30 a.m. - 12:22 a.m.PDX-YOW

14h 52m2 stops

6:10 a.m. - 2:53 p.m.YOW-PDX

11h 43m2 stops

C$ 2,649Delta

Find Deal

Fri, 6 Jun - Fri, 13 Jun

Low season	February
High season	December
Cheapest flight	C$ 164

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly (8% more expensive on average)

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.