Find Cheap Flights to Seattle/Tacoma Intl

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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Book cheap flights from Ontario to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Sep 5 2017 Return: Tue Sep 26 2017 Trip spans 22 days
United
United
ONT
12:00a
SEA
5:20a
5h 20m
1 stop
SEA
12:00a
ONT
4:46a
4h 46m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
12:00a
SEA
7:24a
7h 24m
1 stop
SEA
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Fri Sep 8 2017 Return: Wed Sep 13 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SEA
5:17a
5h 17m
1 stop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
12:00a
SEA
2:33a
2h 33m
nonstop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Depart: Thu Oct 26 2017 Return: Mon Oct 30 2017 Trip spans 5 days
Delta
Delta
ONT
12:00a
SEA
5:08a
5h 08m
1 stop
SEA
12:00a
ONT
6:00a
6h 00m
1 stop
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
United
United
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
4:46a
4h 46m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
12:00a
SEA
7:24a
7h 24m
1 stop
SEA
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Thu Sep 7 2017 Return: Wed Sep 13 2017 Trip spans 7 days
United
United
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
7:26a
7h 26m
1 stop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
12:00a
SEA
7:24a
7h 24m
1 stop
SEA
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Fri Sep 8 2017 Return: Wed Sep 13 2017 Trip spans 6 days
United
United
ONT
12:00a
SEA
7:22a
7h 22m
1 stop
SEA
12:00a
ONT
4:24a
4h 24m
1 stop
Depart: Mon Sep 18 2017 Return: Wed Sep 20 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Depart: Tue Sep 19 2017 Return: Wed Sep 20 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ONT
12:00a
SEA
2:33a
2h 33m
nonstop
SEA
12:00a
ONT
2:32a
2h 32m
nonstop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
United
United
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
7:26a
7h 26m
1 stop
Depart: Wed Aug 23 2017 Return: Wed Aug 30 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
12:00a
SEA
7:03a
7h 03m
1 stop
SEA
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Fri Oct 27 2017 Return: Mon Oct 30 2017 Trip spans 4 days
Delta
Delta
ONT
12:00a
SEA
5:08a
5h 08m
1 stop
SEA
12:00a
ONT
6:00a
6h 00m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
12:00a
SEA
2:33a
2h 33m
nonstop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
United
United
ONT
12:00a
SEA
5:22a
5h 22m
1 stop
SEA
12:00a
ONT
4:24a
4h 24m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
12:00a
SEA
7:24a
7h 24m
1 stop
SEA
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SEA
4:12a
4h 12m
1 stop
SEA
12:00a
ONT
2:31a
2h 31m
nonstop
Direct flights ONT to SEA on American Airlines
Flight # Depart ONT Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
7050 6:05 am 8:38 am Sep 17 - Sep 24
7050 6:05 am 8:41 am Sep 27 - Sep 27
7050 6:05 am 8:38 am Sep 26 - Oct 1
7050 6:05 am 8:38 am Sep 25 - Sep 28
7050 6:05 am 8:38 am Sep 18 - Sep 22
7050 6:05 am 8:38 am Sep 10 - Sep 16
7050 6:05 am 8:38 am Sep 8 - Sep 9
7050 6:05 am 8:38 am Aug 30 - Sep 7
7050 6:05 am 8:38 am Aug 27 - Sep 1
7036 11:50 am 2:23 pm Sep 21 - Sep 26
7036 11:50 am 2:23 pm Aug 27 - Sep 3
7036 11:50 am 2:23 pm Sep 1 - Sep 11
7036 11:50 am 2:23 pm Sep 5 - Sep 10
7036 11:50 am 2:23 pm Sep 12 - Sep 19
7036 11:50 am 2:23 pm Sep 14 - Sep 20
7036 11:50 am 2:23 pm Sep 29 - Oct 1
7036 11:50 am 2:23 pm Sep 22 - Sep 28
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Ontario
$144
Destination

Seattle
$144
Airlines Airline reviews

69 travelers who booked a flight from Ontario to Seattle rated their chosen airlines with an average of 8.4.

Overall
8.6
Boarding
9.0
Crew
9.0
Comfort
8.3
Food
7.6
Entertainment
7.0