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.
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Book cheap flights from Seattle/Tacoma Intl to Ontario

(Round-trip)
Depart: Wed Aug 26 2015 Return: Sat Aug 29 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
1:15a
ONT
7:31a
6h 16m
1 stop
ONT
8:35a
SEA
3:25p
6h 50m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 2 2015 Trip spans 2 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
6:45a
4h 30m
1 stop
Depart: Tue Sep 22 2015 Return: Sat Sep 26 2015 Trip spans 5 days
US Airways
US Airways
SEA
4:25a
ONT
11:44a
7h 19m
1 stop
ONT
2:30a
SEA
9:29a
6h 59m
1 stop
Depart: Wed Sep 2 2015 Return: Sat Sep 5 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
1:15a
ONT
7:31a
6h 16m
1 stop
ONT
8:35a
SEA
3:25p
6h 50m
1 stop
Depart: Sat Sep 5 2015 Return: Mon Sep 7 2015 Trip spans 3 days
Delta
Delta
SEA
6:20a
ONT
1:34p
7h 14m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Thu Sep 10 2015 Return: Tue Sep 15 2015 Trip spans 6 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: Sat Sep 12 2015 Return: Tue Sep 15 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: Tue Sep 15 2015 Return: Sat Sep 19 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
4:25a
ONT
11:44a
7h 19m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Wed Sep 16 2015 Return: Wed Sep 23 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
11:00a
ONT
4:57p
5h 57m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Thu Sep 24 2015 Return: Sat Sep 26 2015 Trip spans 3 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: Sat Sep 26 2015 Return: Tue Sep 29 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: Sun Sep 27 2015 Return: Sun Oct 4 2015 Trip spans 8 days
US Airways
US Airways
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
3:25p
SEA
9:33p
6h 08m
1 stop
Depart: Mon Sep 28 2015 Return: Thu Oct 1 2015 Trip spans 4 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Tue Sep 29 2015 Return: Sat Oct 3 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
7:25a
ONT
2:06p
6h 41m
1 stop
ONT
6:00a
SEA
12:49p
6h 49m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 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: Thu Oct 1 2015 Return: Sun Oct 4 2015 Trip spans 4 days
US Airways
US Airways
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
3:25p
SEA
9:33p
6h 08m
1 stop
Depart: Thu Aug 27 2015 Return: Tue Sep 1 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Sat Sep 19 2015 Return: Sat Oct 3 2015 Trip spans 15 days
Southwest
Southwest
SEA
12:45p
ONT
5:00p
4h 15m
1 stop
ONT
12:10p
SEA
3:50p
3h 40m
nonstop
Depart: Tue Aug 25 2015 Return: Sat Aug 29 2015 Trip spans 5 days
United
United
SEA
2:42p
ONT
8:29p
5h 47m
1 stop
ONT
1:05p
SEA
5:37p
4h 32m
1 stop
Direct flights SEA to ONT on Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7577 2:30 pm 5:15 pm Jul 30 - Aug 22
7566 2:55 pm 5:30 pm Sep 6 - Sep 6
7566 2:55 pm 5:30 pm Sep 5 - Sep 7
7566 2:55 pm 5:30 pm Sep 2 - Sep 4
7566 2:55 pm 5:30 pm Aug 29 - Aug 29
7566 2:55 pm 5:30 pm Aug 25 - Sep 1
7566 2:55 pm 5:30 pm Aug 24 - Aug 31
7566 2:55 pm 5:30 pm Aug 23 - Aug 30
Airports
Origin

Seattle
$191
Destination

Ontario
$191