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: Tue Sep 15 2015 Return: Wed Sep 16 2015 Trip spans 2 days
US Airways
US Airways
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 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 19 2015 Return: Mon Sep 21 2015 Trip spans 3 days
US Airways
US Airways
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
8:35a
SEA
3:30p
6h 55m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 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 11 2015 Return: Sat Sep 12 2015 Trip spans 2 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 12 2015 Return: Tue Sep 15 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
10:55a
ONT
1:30p
2h 35m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Sun Sep 13 2015 Return: Mon Sep 21 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 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: Thu Sep 17 2015 Return: Sat Sep 19 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Sun Sep 20 2015 Return: Mon Sep 21 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:35a
2h 30m
nonstop
ONT
2:20p
SEA
4:45p
2h 25m
nonstop
Depart: Thu Sep 24 2015 Return: Fri Sep 25 2015 Trip spans 2 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 26 2015 Return: Thu Oct 1 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
4:30p
ONT
7:14p
2h 44m
nonstop
ONT
6:25a
SEA
9:04a
2h 39m
nonstop
Depart: Sun Sep 27 2015 Return: Mon Sep 28 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Mon Sep 28 2015 Return: Thu Oct 1 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:20p
SEA
4:54p
2h 34m
nonstop
Depart: Wed Sep 30 2015 Return: Sun Oct 4 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: Thu Oct 1 2015 Return: Sat Oct 3 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
3:05a
ONT
5:34a
2h 29m
nonstop
ONT
2:00a
SEA
4:40a
2h 40m
nonstop
Depart: Fri Oct 2 2015 Return: Sun Oct 4 2015 Trip spans 3 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 9 2015 Return: Thu Sep 10 2015 Trip spans 2 days
United
United
SEA
11:40a
ONT
4:37p
4h 57m
1 stop
ONT
5:07p
SEA
9:10p
4h 03m
1 stop
Depart: Sat Oct 24 2015 Return: Tue Oct 27 2015 Trip spans 4 days
Delta
Delta
SEA
12:32p
ONT
5:06p
4h 34m
1 stop
ONT
2:15a
SEA
7:00a
4h 45m
1 stop
Depart: Sat Dec 5 2015 Return: Tue Dec 8 2015 Trip spans 4 days
Southwest
Southwest
SEA
12:55a
ONT
5:00a
4h 05m
nonstop
ONT
6:00a
SEA
10:20a
4h 20m
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 11 - Sep 11
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 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
7566 2:55 pm 5:30 pm Sep 6 - Sep 6
7566 2:55 pm 5:30 pm Aug 31 - Sep 7
Airports
Origin

Seattle
$183
Destination

Ontario
$183