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
Students
under 26
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 Apr 18 2017 Return: Tue Apr 25 2017 Trip spans 8 days
Delta
Delta
YOW
2:30a
SEA
4:03p
13h 33m
2 stops
SEA
3:30a
YOW
4:30p
13h 00m
2 stops
Depart: Sat May 27 2017 Return: Sun Jun 4 2017 Trip spans 9 days
Major Airline
Major Airline
YOW
9:45p
SEA
10:05a
12h 20m
2 stops
SEA
1:45p
YOW
11:13p
9h 28m
2 stops
Depart: Sun Feb 19 2017 Return: Tue Feb 28 2017 Trip spans 10 days
United
United
YOW
1:00a
SEA
9:51a
8h 51m
1 stop
SEA
1:25p
YOW
1:37a
12h 12m
2 stops
Depart: Sat May 6 2017 Return: Sun May 14 2017 Trip spans 9 days
WestJet
WestJet
YOW
2:45a
SEA
1:05p
10h 20m
1 stop
SEA
3:40a
YOW
2:06p
10h 26m
2 stops
Depart: Sat Mar 11 2017 Return: Sat Mar 18 2017 Trip spans 7 days
Air Canada
Air Canada
YOW
10:00a
SEA
7:16p
9h 16m
1 stop
SEA
4:10a
YOW
12:11p
8h 01m
1 stop
Depart: Wed Apr 19 2017 Return: Tue Apr 25 2017 Trip spans 7 days
Delta
Delta
YOW
2:30a
SEA
4:03p
13h 33m
2 stops
SEA
5:45a
YOW
4:30p
10h 45m
2 stops
Depart: Mon Feb 20 2017 Return: Tue Feb 28 2017 Trip spans 9 days
United
United
YOW
1:00a
SEA
9:51a
8h 51m
1 stop
SEA
1:25p
YOW
1:37a
12h 12m
2 stops
Depart: Mon Feb 13 2017 Return: Wed Feb 15 2017 Trip spans 3 days
Delta
Delta
YOW
11:40a
SEA
8:18p
8h 38m
1 stop
SEA
7:29p
YOW
9:04a
13h 35m
2 stops
Depart: Sat Feb 18 2017 Return: Mon Feb 27 2017 Trip spans 10 days
Major Airline
Major Airline
YOW
12:00a
SEA
7:23a
7h 23m
1 stop
SEA
12:00a
YOW
1:23a
1h 23m
1 stop
Depart: Sat Apr 22 2017 Return: Wed Apr 26 2017 Trip spans 5 days
WestJet
WestJet
YOW
3:15p
SEA
7:40a
16h 25m
1 stop
SEA
9:30a
YOW
5:25p
7h 55m
1 stop
Depart: Wed Feb 15 2017 Return: Mon Feb 27 2017 Trip spans 13 days
Delta
Delta
YOW
11:40a
SEA
8:18p
8h 38m
1 stop
SEA
6:10p
YOW
5:05a
10h 55m
2 stops
Depart: Fri Feb 17 2017 Return: Thu Feb 23 2017 Trip spans 7 days
United
United
YOW
1:40a
SEA
10:30a
8h 50m
1 stop
SEA
2:45a
YOW
10:42a
7h 57m
1 stop
Depart: Sun Apr 23 2017 Return: Thu Apr 27 2017 Trip spans 5 days
WestJet
WestJet
YOW
3:15p
SEA
1:05p
21h 50m
1 stop
SEA
9:30a
YOW
5:25p
7h 55m
1 stop
Depart: Thu Feb 23 2017 Return: Fri Mar 3 2017 Trip spans 9 days
Major Airline
Major Airline
YOW
7:45p
SEA
7:45a
12h 00m
2 stops
SEA
12:05a
YOW
12:25p
12h 20m
2 stops
Depart: Thu Apr 20 2017 Return: Tue Apr 25 2017 Trip spans 6 days
Delta
Delta
YOW
8:00a
SEA
10:35p
14h 35m
2 stops
SEA
5:00a
YOW
4:30p
11h 30m
2 stops
Depart: Thu Feb 16 2017 Return: Tue Feb 28 2017 Trip spans 13 days
United
United
YOW
1:00a
SEA
9:51a
8h 51m
1 stop
SEA
1:25p
YOW
1:37a
12h 12m
2 stops
Depart: Wed Jul 5 2017 Return: Thu Jul 27 2017 Trip spans 23 days
Major Airline
Major Airline
YOW
9:45p
SEA
7:20a
9h 35m
2 stops
SEA
4:55a
YOW
2:02p
9h 07m
2 stops
Depart: Fri Jul 14 2017 Return: Sun Jul 30 2017 Trip spans 17 days
WestJet
WestJet
YOW
4:00p
SEA
7:45a
15h 45m
1 stop
SEA
3:40a
YOW
4:47p
13h 07m
1 stop
Depart: Fri Apr 21 2017 Return: Tue Apr 25 2017 Trip spans 5 days
Delta
Delta
YOW
8:00a
SEA
10:35p
14h 35m
2 stops
SEA
5:00a
YOW
4:30p
11h 30m
2 stops
Depart: Thu Mar 9 2017 Return: Fri Mar 17 2017 Trip spans 8 days
Major Airline
Major Airline
YOW
7:45p
SEA
3:26a
7h 41m
2 stops
SEA
2:05a
YOW
12:31p
10h 26m
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
$363
Destination

Seattle
$363