Find Cheap 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 Jun 28 2017 Return: Thu Jul 13 2017 Trip spans 16 days
United
United
SEA
12:00a
ONT
6:57a
6h 57m
1 stop
ONT
12:00a
SEA
5:45a
5h 45m
1 stop
Depart: Wed Jun 28 2017 Return: Tue Jul 11 2017 Trip spans 14 days
Major Airline
Major Airline
SEA
12:00a
ONT
7:15a
7h 15m
1 stop
ONT
12:00a
SEA
4:11a
4h 11m
1 stop
Depart: Sun Jul 2 2017 Return: Fri Jul 7 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ONT
5:00a
5h 00m
1 stop
ONT
12:00a
SEA
6:40a
6h 40m
1 stop
Depart: Wed Jun 28 2017 Return: Sat Jul 8 2017 Trip spans 11 days
Delta
Delta
SEA
12:00a
ONT
4:30a
4h 30m
1 stop
ONT
12:00a
SEA
6:20a
6h 20m
1 stop
Depart: Thu Jun 29 2017 Return: Thu Jul 6 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
ONT
3:58a
3h 58m
1 stop
ONT
12:00a
SEA
2:30a
2h 30m
nonstop
Depart: Fri Jun 30 2017 Return: Sun Jul 9 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ONT
4:45p
16h 45m
1 stop
ONT
12:00a
SEA
6:07a
6h 07m
1 stop
Depart: Wed Jun 28 2017 Return: Thu Jul 6 2017 Trip spans 9 days
United
United
SEA
12:00a
ONT
4:34a
4h 34m
1 stop
ONT
12:00a
SEA
5:45a
5h 45m
1 stop
Depart: Sat Jul 1 2017 Return: Thu Jul 6 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ONT
7:07a
7h 07m
1 stop
ONT
12:00a
SEA
6:35a
6h 35m
1 stop
Depart: Sat Jul 1 2017 Return: Thu Jul 6 2017 Trip spans 6 days
United
United
SEA
12:00a
ONT
6:54a
6h 54m
1 stop
ONT
12:00a
SEA
5:45a
5h 45m
1 stop
Depart: Wed Jun 28 2017 Return: Thu Jun 29 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
12:00a
ONT
7:15a
7h 15m
3 stops
ONT
12:00a
SEA
4:31a
4h 31m
3 stops
Depart: Wed Jun 28 2017 Return: Sat Jul 15 2017 Trip spans 18 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ONT
4:34a
4h 34m
1 stop
ONT
12:00a
SEA
2:38a
2h 38m
nonstop
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
Delta
Delta
SEA
12:00a
ONT
4:40a
4h 40m
1 stop
ONT
12:00a
SEA
4:50a
4h 50m
1 stop
Depart: Sat Jul 1 2017 Return: Sat Jul 8 2017 Trip spans 8 days
United
United
SEA
12:00a
ONT
4:47a
4h 47m
1 stop
ONT
12:00a
SEA
4:30a
4h 30m
1 stop
Depart: Wed Jun 28 2017 Return: Thu Jul 6 2017 Trip spans 9 days
Delta
Delta
SEA
12:00a
ONT
4:30a
4h 30m
1 stop
ONT
12:00a
SEA
6:35a
6h 35m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ONT
5:45a
5h 45m
1 stop
ONT
12:00a
SEA
5:32a
5h 32m
1 stop
Depart: Thu Jun 29 2017 Return: Wed Jul 5 2017 Trip spans 7 days
United
United
SEA
12:00a
ONT
5:22a
5h 22m
1 stop
ONT
12:00a
SEA
5:45a
5h 45m
1 stop
Depart: Sun Jul 2 2017 Return: Thu Jul 6 2017 Trip spans 5 days
Delta
Delta
SEA
12:00a
ONT
4:40a
4h 40m
1 stop
ONT
12:00a
SEA
6:35a
6h 35m
1 stop
Depart: Thu Jun 29 2017 Return: Mon Jul 3 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
ONT
3:58a
3h 58m
1 stop
ONT
12:00a
SEA
2:38a
2h 38m
nonstop
Depart: Fri Jun 30 2017 Return: Wed Jul 5 2017 Trip spans 6 days
United
United
SEA
12:00a
ONT
4:34a
4h 34m
1 stop
ONT
12:00a
SEA
5:45a
5h 45m
1 stop
Depart: Sat Jul 1 2017 Return: Wed Jul 5 2017 Trip spans 5 days
United
United
SEA
12:00a
ONT
5:54a
5h 54m
1 stop
ONT
12:00a
SEA
5:56a
5h 56m
1 stop
Direct flights SEA to ONT on American Airlines
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7465 8:40 am 11:17 am Jun 29 - Aug 26
7005 1:40 pm 4:17 pm Jun 30 - Jul 8
7005 1:40 pm 4:16 pm Jul 28 - Aug 4
7005 1:40 pm 4:16 pm Jul 19 - Jul 25
7005 1:40 pm 4:16 pm Jul 17 - Jul 21
7005 1:40 pm 4:17 pm Jul 12 - Jul 14
7005 1:40 pm 4:17 pm Jul 9 - Jul 16
7005 1:40 pm 4:16 pm Jul 26 - Aug 2
7005 1:40 pm 4:17 pm Jun 29 - Jul 6
7021 7:50 pm 10:16 pm Jun 29 - Jul 10
7021 7:50 pm 10:16 pm Jul 14 - Jul 16
7021 7:50 pm 10:18 pm Jul 17 - Jul 26
7021 7:50 pm 10:18 pm Jul 18 - Jul 25
7021 7:50 pm 10:28 pm Jul 23 - Jul 23
7021 7:50 pm 10:18 pm Jul 27 - Jul 31
7021 7:50 pm 10:18 pm Jul 29 - Aug 4
7021 7:50 pm 10:16 pm Jul 11 - Jul 13
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$282
Destination

Ontario
$282
Airlines Airline reviews

65 travelers who booked a flight from Seattle to Ontario rated their chosen airlines with an average of 8.4.

Overall
8.7
Boarding
8.6
Crew
8.7
Comfort
8.5
Food
7.8
Entertainment
7.3