What is the cheapest flight from Seattle to Ottawa?

In the last 3 days, the lowest price for a flight from Seattle to Ottawa was C$ 139 for a one-way ticket and C$ 263 for a round-trip. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Seattle to Ottawa?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Seattle to Ottawa?

Star Alliance is the only airline alliance operating flights between Seattle and Ottawa.

How does KAYAK find such low prices on flights from Seattle 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 Seattle 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 Seattle to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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>

Which airlines provide the cheapest flights from Seattle to Ottawa?

In the past 3 days, the cheapest round-trip tickets from Seattle to Ottawa were found on WestJet (C$ 364) and Air Canada (C$ 496).

C$ 192 CHEAP FLIGHTS from Seattle to Ottawa (SEA - YOW)

SEA - YOW

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Cheap Flight Deals from Seattle to Ottawa (SEA-YOW)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle 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 Seattle to Ottawa

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle 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

vie., 6 jun. - vie., 13 jun.

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$ 382WestJet

Find Deal

vie., 6 jun. - vie., 13 jun.

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$ 383WestJet

Find Deal

vie., 6 jun. - vie., 13 jun.

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

7h 51m1 stop

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

9h 21m1 stop

C$ 400WestJet

Find Deal

mié., 4 jun. - vie., 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$ 419

Find Deal

vie., 6 jun. - vie., 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

vie., 6 jun. - vie., 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

sáb., 7 jun. - sáb., 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

sáb., 7 jun. - sáb., 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

vie., 6 jun. - vie., 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

jue., 24 jul. - vie., 1 ago.

KAYAK's insights & trends for Seattle to Ottawa flights

Get data-powered insights and trends into flights from Seattle to Ottawa to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly from Seattle to Ottawa?

The cheapest month for flights from Seattle to Ottawa is September, where tickets cost C$ 565 (return) on average. On the other hand, the most expensive months are January and February, where the average cost of round-trip tickets is C$ 952 and C$ 910 respectively.

How far in advance should I book a flight from Seattle to Ottawa?

To get a below average price on the flight from Seattle to Ottawa, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Find deals

Low season	January
High season	August
Cheapest flight	C$ 192

Best time to beat the crowds but there is an average 27% increase in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Seattle to Ottawa

When to book flights from Seattle to Ottawa

Are your dates flexible? Find out the best times to travel from Seattle to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Seattle to Ottawa?
In the last 3 days, the lowest price for a flight from Seattle to Ottawa was C$ 139 for a one-way ticket and C$ 263 for a round-trip.
Which aircraft models fly most regularly from Seattle to Ottawa?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Seattle to Ottawa?
Star Alliance is the only airline alliance operating flights between Seattle and Ottawa.
How does KAYAK find such low prices on flights from Seattle 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 Seattle to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Seattle 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 Seattle 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 Seattle with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle 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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.