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 Sep 19 2015 Trip spans 25 days
US Airways
US Airways
SEA
4:25a
ONT
11:37a
7h 12m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Sat Aug 29 2015 Return: Tue Sep 15 2015 Trip spans 18 days
American Airlines
American Airlines
SEA
1:15a
ONT
7:31a
6h 16m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Tue Sep 1 2015 Return: Sun Sep 6 2015 Trip spans 6 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
6:58a
4h 43m
1 stop
Depart: Thu Aug 27 2015 Return: Sat Sep 19 2015 Trip spans 24 days
US Airways
US Airways
SEA
1:15a
ONT
7:31a
6h 16m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Sat Sep 5 2015 Return: Sun Sep 6 2015 Trip spans 2 days
Delta
Delta
SEA
6:20a
ONT
1:34p
7h 14m
1 stop
ONT
2:15a
SEA
6:58a
4h 43m
1 stop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
Delta
Delta
SEA
2:00a
ONT
6:38a
4h 38m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Fri Sep 11 2015 Return: Mon Sep 14 2015 Trip spans 4 days
Delta
Delta
SEA
7:20a
ONT
1:34p
6h 14m
1 stop
ONT
2:20p
SEA
7:13p
4h 53m
1 stop
Depart: Tue Sep 15 2015 Return: Wed Sep 16 2015 Trip spans 2 days
Delta
Delta
SEA
7:20a
ONT
1:42p
6h 22m
1 stop
ONT
2:15a
SEA
8:23a
6h 08m
1 stop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 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: 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: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
4:25a
ONT
11:09a
6h 44m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
8:23a
6h 08m
1 stop
Depart: Tue Sep 29 2015 Return: Mon Oct 5 2015 Trip spans 7 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 days
Delta
Delta
SEA
2:20p
ONT
6:31p
4h 11m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Fri Oct 2 2015 Return: Mon Oct 5 2015 Trip spans 4 days
Delta
Delta
SEA
2:20p
ONT
6:34p
4h 14m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
4:25a
ONT
11:09a
6h 44m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Thu Sep 3 2015 Return: Wed Sep 9 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Tue Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 days
United
United
SEA
9:15a
ONT
4:37p
7h 22m
1 stop
ONT
1:05p
SEA
5:36p
4h 31m
1 stop
Depart: Thu Nov 5 2015 Return: Thu Nov 12 2015 Trip spans 8 days
Southwest
Southwest
SEA
12:50p
ONT
5:45p
4h 55m
1 stop
ONT
9:05a
SEA
2:10p
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
7577 2:30 pm 5:15 pm Aug 1 - Aug 22
7554 2:55 pm 5:30 pm Sep 8 - Sep 16
7554 2:55 pm 5:30 pm Sep 10 - Sep 12
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