Browse Origins:
Browse Destinations:

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

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Ontario

(Round-trip)
Depart: Tue Feb 17 2015 Return: Wed Feb 18 2015 Trip spans 2 days
Delta
Delta
SEA
11:30a
ONT
5:45p
6h 15m
1 stop
ONT
11:30a
SEA
4:25p
4h 55m
1 stop
Depart: Wed Feb 18 2015 Return: Thu Feb 19 2015 Trip spans 2 days
Delta
Delta
SEA
11:30a
ONT
5:45p
6h 15m
1 stop
ONT
1:10a
SEA
7:09a
5h 59m
1 stop
Depart: Thu Feb 19 2015 Return: Tue Feb 24 2015 Trip spans 6 days
Delta
Delta
SEA
1:30p
ONT
5:45p
4h 15m
1 stop
ONT
11:30a
SEA
4:35p
5h 05m
1 stop
Depart: Fri Feb 20 2015 Return: Tue Feb 24 2015 Trip spans 5 days
Delta
Delta
SEA
1:30p
ONT
5:45p
4h 15m
1 stop
ONT
11:30a
SEA
4:35p
5h 05m
1 stop
Depart: Sat Feb 21 2015 Return: Tue Feb 24 2015 Trip spans 4 days
Delta
Delta
SEA
11:30a
ONT
3:53p
4h 23m
1 stop
ONT
11:30a
SEA
4:35p
5h 05m
1 stop
Depart: Mon Feb 23 2015 Return: Wed Feb 25 2015 Trip spans 3 days
Delta
Delta
SEA
1:30p
ONT
5:45p
4h 15m
1 stop
ONT
11:30a
SEA
4:25p
4h 55m
1 stop
Depart: Tue Feb 24 2015 Return: Wed Feb 25 2015 Trip spans 2 days
Delta
Delta
SEA
5:20a
ONT
10:53a
5h 33m
1 stop
ONT
5:10a
SEA
11:25a
6h 15m
1 stop
Depart: Wed Feb 25 2015 Return: Fri Feb 27 2015 Trip spans 3 days
Delta
Delta
SEA
1:30p
ONT
5:45p
4h 15m
1 stop
ONT
1:10a
SEA
7:09a
5h 59m
1 stop
Depart: Thu Feb 26 2015 Return: Sat Feb 28 2015 Trip spans 3 days
Delta
Delta
SEA
1:30p
ONT
5:45p
4h 15m
1 stop
ONT
1:10a
SEA
7:15a
6h 05m
1 stop
Depart: Fri Feb 6 2015 Return: Sat Feb 14 2015 Trip spans 9 days
Delta
Delta
SEA
1:05p
ONT
5:35p
4h 30m
1 stop
ONT
1:10a
SEA
5:54a
4h 44m
1 stop
Depart: Sat Feb 7 2015 Return: Sat Feb 14 2015 Trip spans 8 days
Delta
Delta
SEA
11:25a
ONT
4:43p
5h 18m
1 stop
ONT
1:10a
SEA
7:15a
6h 05m
1 stop
Depart: Sun Feb 8 2015 Return: Sat Feb 14 2015 Trip spans 7 days
Delta
Delta
SEA
1:05p
ONT
5:35p
4h 30m
1 stop
ONT
1:10a
SEA
5:54a
4h 44m
1 stop
Depart: Mon Feb 9 2015 Return: Sat Feb 14 2015 Trip spans 6 days
Delta
Delta
SEA
1:05p
ONT
5:35p
4h 30m
1 stop
ONT
1:10a
SEA
5:54a
4h 44m
1 stop
Depart: Tue Feb 10 2015 Return: Wed Feb 11 2015 Trip spans 2 days
Delta
Delta
SEA
5:23a
ONT
10:52a
5h 29m
1 stop
ONT
1:15a
SEA
7:29a
6h 14m
1 stop
Depart: Wed Feb 11 2015 Return: Sat Feb 14 2015 Trip spans 4 days
Delta
Delta
SEA
5:23a
ONT
10:52a
5h 29m
1 stop
ONT
1:10a
SEA
5:54a
4h 44m
1 stop
Depart: Wed Feb 4 2015 Return: Tue Feb 24 2015 Trip spans 21 days
US Airways
US Airways
SEA
12:15a
ONT
6:34a
6h 19m
1 stop
ONT
11:40a
SEA
6:12p
6h 32m
1 stop
Depart: Sun Feb 22 2015 Return: Tue Feb 24 2015 Trip spans 3 days
United
United
SEA
1:51p
ONT
7:08p
5h 17m
1 stop
ONT
6:35a
SEA
11:07a
4h 32m
1 stop
Depart: Mon Apr 13 2015 Return: Sat Apr 18 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SEA
1:15a
ONT
7:33a
6h 18m
1 stop
ONT
2:20a
SEA
4:59a
2h 39m
nonstop
Depart: Sat Mar 14 2015 Return: Tue Mar 17 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
1:55p
ONT
4:25p
2h 30m
nonstop
ONT
6:30a
SEA
9:05a
2h 35m
nonstop
Depart: Thu Apr 9 2015 Return: Tue Apr 21 2015 Trip spans 13 days
Alaska Airlines
Alaska Airlines
SEA
4:55p
ONT
7:21p
2h 26m
nonstop
ONT
2:20a
SEA
4:59a
2h 39m
nonstop
Change your search
Direct flights SEA to ONT on Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7535 2:15 pm 4:42 pm Feb 8 - Mar 7
7535 2:15 pm 4:45 pm Jan 27 - Feb 7
7535 2:20 pm 5:00 pm Mar 8 - Apr 4
Airports
Origin

Seattle
$181
Destination

Ontario
$181