Find Deals on Flights from Ottawa to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Ottawa to Seattle

(Round-trip)
Depart: Tue Jun 6 2017 Return: Thu Jun 15 2017 Trip spans 10 days
Major Airline
Major Airline
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
SEA
2:00a
YOW
3:23a
1h 23m
2 stops
Depart: Thu May 25 2017 Return: Mon May 29 2017 Trip spans 5 days
WestJet
WestJet
YOW
2:55a
SEA
11:26a
8h 31m
1 stop
SEA
9:28a
YOW
4:48p
7h 20m
1 stop
Depart: Fri May 5 2017 Return: Wed May 10 2017 Trip spans 6 days
United
United
YOW
2:00a
SEA
3:21p
13h 21m
2 stops
SEA
7:15p
YOW
2:31a
7h 16m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
Major Airline
Major Airline
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
SEA
2:00a
YOW
3:23a
1h 23m
2 stops
Depart: Mon Aug 7 2017 Return: Thu Aug 17 2017 Trip spans 11 days
WestJet
WestJet
YOW
2:55a
SEA
6:00a
27h 05m
1 stop
SEA
8:45a
YOW
4:47p
8h 02m
1 stop
Depart: Wed Jun 14 2017 Return: Sun Jun 18 2017 Trip spans 5 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
Depart: Sat Aug 12 2017 Return: Thu Aug 17 2017 Trip spans 6 days
WestJet
WestJet
YOW
4:00p
SEA
7:45a
15h 45m
1 stop
SEA
8:45a
YOW
4:47p
8h 02m
1 stop
Depart: Thu Aug 10 2017 Return: Fri Aug 18 2017 Trip spans 9 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
Depart: Sun Aug 13 2017 Return: Thu Aug 17 2017 Trip spans 5 days
WestJet
WestJet
YOW
4:00p
SEA
7:45a
15h 45m
1 stop
SEA
8:45a
YOW
4:47p
8h 02m
1 stop
Depart: Wed Aug 2 2017 Return: Wed Aug 23 2017 Trip spans 22 days
Major Airline
Major Airline
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
SEA
2:00a
YOW
3:23a
1h 23m
2 stops
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
WestJet
WestJet
YOW
2:30a
SEA
3:17p
12h 47m
2 stops
SEA
3:05p
YOW
2:06a
11h 01m
2 stops
Depart: Thu Jun 15 2017 Return: Mon Jun 19 2017 Trip spans 5 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
Depart: Mon Jul 10 2017 Return: Mon Jul 31 2017 Trip spans 22 days
WestJet
WestJet
YOW
2:55a
SEA
6:00a
27h 05m
1 stop
SEA
10:00a
YOW
4:47p
6h 47m
1 stop
Depart: Sun May 7 2017 Return: Mon May 8 2017 Trip spans 2 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
Depart: Tue Aug 8 2017 Return: Thu Aug 17 2017 Trip spans 10 days
WestJet
WestJet
YOW
2:30a
SEA
6:25p
15h 55m
1 stop
SEA
8:45a
YOW
4:47p
8h 02m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 30 2017 Trip spans 36 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
Depart: Wed Aug 9 2017 Return: Thu Aug 17 2017 Trip spans 9 days
WestJet
WestJet
YOW
2:30a
SEA
6:25p
15h 55m
1 stop
SEA
8:45a
YOW
4:47p
8h 02m
1 stop
Depart: Fri Aug 4 2017 Return: Sat Aug 12 2017 Trip spans 9 days
Major Airline
Major Airline
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
SEA
2:00a
YOW
3:23a
1h 23m
2 stops
Depart: Sun Jun 25 2017 Return: Fri Jun 30 2017 Trip spans 6 days
Major Airline
Major Airline
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
SEA
2:00a
YOW
3:23a
1h 23m
2 stops
Depart: Sat Jun 24 2017 Return: Sat Jul 1 2017 Trip spans 8 days
Major Airline
Major Airline
YOW
1:00a
SEA
8:23a
7h 23m
2 stops
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Ottawa
$375
Destination

Seattle
$375