Find Deals on Flights from Seattle to Ottawa

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 Seattle to Ottawa

(Round-trip)
Depart: Wed May 17 2017 Return: Wed May 24 2017 Trip spans 8 days
WestJet
WestJet
SEA
9:30a
YOW
5:11p
7h 41m
1 stop
YOW
2:45a
SEA
1:05p
10h 20m
1 stop
Depart: Fri Mar 10 2017 Return: Sat Mar 18 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
1:00a
YOW
2:23a
1h 23m
2 stops
YOW
2:00a
SEA
9:23a
7h 23m
2 stops
Depart: Wed Feb 1 2017 Return: Sun Feb 12 2017 Trip spans 12 days
United
United
SEA
1:45a
YOW
8:44a
6h 59m
1 stop
YOW
1:40a
SEA
9:55a
8h 15m
1 stop
Depart: Fri Feb 3 2017 Return: Mon Feb 6 2017 Trip spans 4 days
Delta
Delta
SEA
4:34a
YOW
2:16p
9h 42m
1 stop
YOW
11:40a
SEA
8:18p
8h 38m
1 stop
Depart: Sat Jan 21 2017 Return: Wed Feb 1 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
3:15a
YOW
12:00p
8h 45m
1 stop
YOW
2:35a
SEA
7:26p
16h 51m
1 stop
Depart: Sun Feb 19 2017 Return: Tue Feb 21 2017 Trip spans 3 days
Air Canada
Air Canada
SEA
10:15a
YOW
5:25p
7h 10m
1 stop
YOW
9:00a
SEA
7:16p
10h 16m
1 stop
Depart: Wed Feb 15 2017 Return: Mon Feb 20 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
1:00a
YOW
2:23a
1h 23m
nonstop
YOW
1:00a
SEA
8:23a
7h 23m
nonstop
Depart: Thu Feb 2 2017 Return: Tue Feb 7 2017 Trip spans 6 days
United
United
SEA
5:45a
YOW
2:12p
8h 27m
1 stop
YOW
11:38a
SEA
8:25p
8h 47m
1 stop
Depart: Tue Apr 25 2017 Return: Mon May 1 2017 Trip spans 7 days
WestJet
WestJet
SEA
9:30a
YOW
5:25p
7h 55m
1 stop
YOW
2:45a
SEA
1:05p
10h 20m
1 stop
Depart: Thu Feb 9 2017 Return: Mon Feb 13 2017 Trip spans 5 days
Delta
Delta
SEA
4:34a
YOW
2:16p
9h 42m
1 stop
YOW
11:40a
SEA
8:18p
8h 38m
1 stop
Depart: Tue Feb 14 2017 Return: Sun Feb 19 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
12:00a
YOW
1:23a
1h 23m
nonstop
YOW
12:00a
SEA
7:23a
7h 23m
nonstop
Depart: Sat Feb 4 2017 Return: Tue Feb 7 2017 Trip spans 4 days
United
United
SEA
2:50a
YOW
10:41a
7h 51m
1 stop
YOW
11:38a
SEA
8:25p
8h 47m
1 stop
Depart: Wed Apr 26 2017 Return: Mon May 1 2017 Trip spans 6 days
WestJet
WestJet
SEA
9:30a
YOW
5:25p
7h 55m
1 stop
YOW
2:45a
SEA
1:05p
10h 20m
1 stop
Depart: Thu Feb 16 2017 Return: Tue Feb 28 2017 Trip spans 13 days
Delta
Delta
SEA
1:45a
YOW
12:05p
10h 20m
2 stops
YOW
6:00a
SEA
8:10p
14h 10m
2 stops
Depart: Fri Feb 24 2017 Return: Mon Feb 27 2017 Trip spans 4 days
Air Canada
Air Canada
SEA
10:15a
YOW
5:25p
7h 10m
1 stop
YOW
10:00a
SEA
7:16p
9h 16m
1 stop
Depart: Tue Jun 6 2017 Return: Sun Jun 11 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
1:00a
YOW
2:23a
1h 23m
nonstop
YOW
1:00a
SEA
8:23a
7h 23m
nonstop
Depart: Mon Feb 6 2017 Return: Wed Feb 8 2017 Trip spans 3 days
United
United
SEA
1:45a
YOW
8:44a
6h 59m
1 stop
YOW
9:40a
SEA
6:18p
8h 38m
1 stop
Depart: Thu Apr 27 2017 Return: Sat May 6 2017 Trip spans 10 days
WestJet
WestJet
SEA
9:30a
YOW
5:25p
7h 55m
1 stop
YOW
2:45a
SEA
1:05p
10h 20m
1 stop
Depart: Fri Feb 10 2017 Return: Mon Feb 13 2017 Trip spans 4 days
Delta
Delta
SEA
12:44a
YOW
10:02a
9h 18m
2 stops
YOW
11:40a
SEA
8:18p
8h 38m
1 stop
Depart: Tue Feb 7 2017 Return: Thu Feb 9 2017 Trip spans 3 days
United
United
SEA
2:50a
YOW
10:41a
7h 51m
1 stop
YOW
9:40a
SEA
6:18p
8h 38m
1 stop
* 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

Seattle
$421
Destination

Ottawa
$421