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$ 220 Book CHEAP FLIGHTS from Washington to Ottawa

Search 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 24% 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

Recent round-trip flight deals from Washington to Ottawa

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Washington to Ottawa.

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

11:48 a.m. - 4:45 p.m.SEA-YOW

25h 57m1 stop

6:10 p.m. - 11:46 a.m.YOW-SEA

20h 36m1 stop

C$ 375

Find Deal

Tue, 11 Mar - Mon, 17 Mar

11:48 a.m. - 2:46 p.m.SEA-YOW

23h 58m2 stops

6:10 p.m. - 11:46 a.m.YOW-SEA

20h 36m1 stop

C$ 419

Find Deal

Tue, 11 Mar - Mon, 17 Mar

9:27 p.m. - 8:20 a.m.PDX-YOW

31h 53m2 stops

6:10 p.m. - 8:22 a.m.YOW-PDX

17h 12m1 stop

C$ 480

Find Deal

Sun, 6 Apr - Sun, 13 Apr

8:28 p.m. - 8:34 p.m.PDX-YOW

21h 06m2 stops

5:55 a.m. - 12:56 p.m.YOW-PDX

34h 01m3 stops

C$ 483

Find Deal

Mon, 3 Mar - Tue, 18 Mar

1:50 p.m. - 12:41 a.m.SEA-YOW

7h 51m1 stop

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

8h 08m1 stop

C$ 584WestJet

Find Deal

Wed, 28 May - Sun, 8 Jun

3:39 p.m. - 6:45 a.m.SEA-YOW

12h 06m2 stops

6:15 a.m. - 12:31 p.m.YOW-SEA

9h 16m1 stop

C$ 588WestJet

Find Deal

Wed, 28 May - Sun, 8 Jun

5:45 a.m. - 4:04 p.m.SEA-YOW

7h 19m1 stop

2:10 p.m. - 9:26 p.m.YOW-SEA

10h 16m1 stop

C$ 763Air Canada

Find Deal

Sun, 6 Apr - Sun, 13 Apr

7:05 p.m. - 9:14 a.m.SEA-YOW

11h 09m2 stops

5:15 a.m. - 2:23 p.m.YOW-SEA

12h 08m2 stops

C$ 771Air Canada

Find Deal

Sun, 6 Apr - Sun, 13 Apr

5:15 a.m. - 9:34 p.m.SEA-YOW

13h 19m2 stops

2:10 p.m. - 9:26 p.m.YOW-SEA

10h 16m1 stop

C$ 815United Airlines

Find Deal

Thu, 3 Apr - Sun, 6 Apr

7:17 p.m. - 2:04 p.m.SEA-YOW

15h 47m2 stops

6:33 a.m. - 11:48 a.m.YOW-SEA

8h 15m1 stop

C$ 818United Airlines

Find Deal

Fri, 11 Apr - Wed, 16 Apr

Low season	January
High season	December
Cheapest flight	C$ 220

Best time to beat the crowds (18% less expensive on average)

Most popular time to fly and prices are also 1% 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.

See more FAQs

Gatineau

Perth

Wakefield

Petawawa

Winchester

Jasper

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

Ottawa (YOW)

C$ 220 Find Cheap Flights from Washington to Ottawa

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ottawa departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Cheap Flight Deals from Washington to Ottawa

Recent round-trip flight deals from Washington to Ottawa

Recent one-way flight deals from Washington to Ottawa

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Washington to Ottawa

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Washington to Ottawa?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Ottawa?

Travelling 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

Cabin classes available on flights to Ottawa. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Ottawa

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Ottawa

Flights from all regions of Washington to Ottawa. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Ottawa

Find deals for your return flight