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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
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 Feb 17 2016 Return: Wed Feb 24 2016 Trip spans 8 days
American Airlines
American Airlines
SEA
9:55a
ONT
4:27p
6h 32m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Thu Feb 18 2016 Return: Wed Feb 24 2016 Trip spans 7 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Fri Feb 19 2016 Return: Wed Feb 24 2016 Trip spans 6 days
American Airlines
American Airlines
SEA
9:55a
ONT
4:27p
6h 32m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Sat Feb 20 2016 Return: Tue Feb 23 2016 Trip spans 4 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Sun Feb 21 2016 Return: Sat Mar 5 2016 Trip spans 14 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
5:05a
SEA
12:05p
7h 00m
1 stop
Depart: Mon Feb 22 2016 Return: Tue Feb 23 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
9:55a
ONT
4:27p
6h 32m
1 stop
ONT
11:40a
SEA
6:10p
6h 30m
1 stop
Depart: Tue Feb 23 2016 Return: Wed Feb 24 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
6:35a
ONT
1:15p
6h 40m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Wed Feb 24 2016 Return: Thu Feb 25 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
9:55a
ONT
4:27p
6h 32m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Thu Feb 25 2016 Return: Fri Feb 26 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Sat Feb 27 2016 Return: Tue Mar 1 2016 Trip spans 4 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
1:15a
SEA
8:45a
7h 30m
1 stop
Depart: Sun Feb 28 2016 Return: Mon Feb 29 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
11:40a
SEA
6:10p
6h 30m
1 stop
Depart: Mon Feb 29 2016 Return: Tue Mar 1 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Tue Mar 1 2016 Return: Wed Mar 2 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Wed Mar 2 2016 Return: Thu Mar 3 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
12:10a
ONT
6:34a
6h 24m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Sat Mar 5 2016 Return: Tue Mar 8 2016 Trip spans 4 days
American Airlines
American Airlines
SEA
12:00a
ONT
6:34a
6h 34m
1 stop
ONT
5:05a
SEA
12:05p
7h 00m
1 stop
Depart: Sun Mar 6 2016 Return: Tue Mar 8 2016 Trip spans 3 days
American Airlines
American Airlines
SEA
12:59p
ONT
7:11p
6h 12m
1 stop
ONT
7:35a
SEA
2:39p
7h 04m
1 stop
Depart: Fri Mar 4 2016 Return: Tue Mar 15 2016 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
2:35a
ONT
5:15a
2h 40m
nonstop
ONT
1:40p
SEA
4:15p
2h 35m
nonstop
Depart: Thu Mar 3 2016 Return: Sun Mar 6 2016 Trip spans 4 days
Delta
Delta
SEA
8:05a
ONT
12:46p
4h 41m
1 stop
ONT
1:00a
SEA
5:44a
4h 44m
1 stop
Depart: Wed Jul 13 2016 Return: Wed Jul 20 2016 Trip spans 8 days
United
United
SEA
1:40a
ONT
6:03a
4h 23m
1 stop
ONT
4:45p
SEA
8:51p
4h 06m
1 stop
Depart: Sat May 7 2016 Return: Sat May 14 2016 Trip spans 8 days
Southwest
Southwest
SEA
10:55a
ONT
2:40p
3h 45m
nonstop
ONT
12:25p
SEA
4:40p
4h 15m
1 stop
Direct flights SEA to ONT on Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
8974 2:10 pm 4:50 pm Feb 11 - Feb 28
8974 2:10 pm 4:50 pm Mar 5 - Mar 12
9035 2:10 pm 4:50 pm Feb 29 - Mar 11
9113 2:20 pm 4:50 pm Mar 20 - Mar 24
9113 2:20 pm 4:50 pm Mar 19 - Mar 21
9113 2:20 pm 4:50 pm Mar 16 - Mar 16
9113 2:20 pm 4:50 pm Mar 13 - Mar 18
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$191
Destination

Ontario
$191