Find Deals on Flights from Seattle/Tacoma Intl to Ontario (SEA - ONT)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
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Book cheap flights from Seattle/Tacoma Intl to Ontario

(Round-trip)
Depart: Tue Sep 22 2015 Return: Sat Sep 26 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
4:30p
ONT
7:14p
2h 44m
nonstop
ONT
6:25a
SEA
8:55a
2h 30m
nonstop
Depart: Wed Oct 14 2015 Return: Thu Oct 15 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:00a
SEA
4:40a
2h 40m
nonstop
Depart: Sat Oct 17 2015 Return: Wed Oct 21 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:00a
SEA
4:40a
2h 40m
nonstop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Sat Sep 26 2015 Return: Tue Sep 29 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
4:30p
ONT
7:14p
2h 44m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Tue Sep 29 2015 Return: Wed Sep 30 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
4:25p
ONT
6:50p
2h 25m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Tue Oct 6 2015 Return: Sat Oct 10 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
4:25p
ONT
6:50p
2h 25m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
4:25p
ONT
6:50p
2h 25m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Sat Oct 10 2015 Return: Tue Oct 13 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
4:25p
ONT
6:50p
2h 25m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Tue Oct 13 2015 Return: Wed Oct 21 2015 Trip spans 9 days
United
United
SEA
1:15a
ONT
5:57a
4h 42m
1 stop
ONT
8:39a
SEA
12:44p
4h 05m
1 stop
Depart: Tue Oct 20 2015 Return: Tue Oct 27 2015 Trip spans 8 days
United
United
SEA
1:15a
ONT
5:57a
4h 42m
1 stop
ONT
6:03a
SEA
12:02p
5h 59m
1 stop
Depart: Wed Oct 21 2015 Return: Sat Oct 24 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:00a
SEA
4:40a
2h 40m
nonstop
Depart: Sat Oct 24 2015 Return: Tue Oct 27 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
10:55a
ONT
1:23p
2h 28m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Tue Nov 3 2015 Return: Sat Nov 7 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
9:40a
ONT
12:09p
2h 29m
nonstop
ONT
1:05p
SEA
3:42p
2h 37m
nonstop
Depart: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Mon Sep 21 2015 Return: Tue Sep 29 2015 Trip spans 9 days
US Airways
US Airways
SEA
7:25a
ONT
2:06p
6h 41m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Wed Nov 11 2015 Return: Sat Nov 14 2015 Trip spans 4 days
Delta
Delta
SEA
1:15p
ONT
6:09p
4h 54m
1 stop
ONT
8:15a
SEA
1:27p
5h 12m
1 stop
Depart: Mon Oct 12 2015 Return: Tue Oct 13 2015 Trip spans 2 days
Southwest
Southwest
SEA
11:00a
ONT
4:05p
5h 05m
1 stop
ONT
4:40a
SEA
9:45a
5h 05m
1 stop
Direct flights SEA to ONT on Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7554 2:55 pm 5:30 pm Sep 20 - Sep 26
7554 2:55 pm 5:30 pm Sep 19 - Sep 19
7554 2:55 pm 5:30 pm Sep 17 - Sep 22
7554 2:55 pm 5:30 pm Sep 10 - Sep 12
7554 2:55 pm 5:30 pm Sep 8 - Sep 16
7566 2:55 pm 5:23 pm Oct 12 - Oct 18
7566 2:55 pm 5:23 pm Oct 10 - Oct 17
7566 2:55 pm 5:23 pm Oct 8 - Oct 16
7566 2:55 pm 5:23 pm Oct 7 - Oct 7
7566 2:55 pm 5:23 pm Oct 1 - Oct 2
7566 2:55 pm 5:23 pm Sep 30 - Oct 3
7566 2:55 pm 5:23 pm Sep 27 - Oct 6
Airports
Origin

Seattle
$154
Destination

Ontario
$154