Find Deals on Flights from Ontario to Oakland (ONT - OAK)

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 Ontario to Oakland

(Round-trip)
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
4:45p
OAK
2:50p
22h 05m
1 stop
OAK
4:54a
ONT
6:23a
25h 29m
1 stop
Depart: Tue Mar 21 2017 Return: Wed Mar 22 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
8:45a
OAK
2:42p
5h 57m
1 stop
OAK
8:45a
ONT
2:28p
5h 43m
1 stop
Depart: Thu Mar 23 2017 Return: Sat Mar 25 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
8:45a
OAK
2:42p
5h 57m
1 stop
OAK
3:22p
ONT
8:27p
5h 05m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ONT
7:00a
OAK
2:50p
7h 50m
1 stop
OAK
4:54a
ONT
6:23a
25h 29m
1 stop
Depart: Sat Apr 22 2017 Return: Tue May 2 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
ONT
4:45p
OAK
4:22a
11h 37m
1 stop
OAK
4:54a
ONT
6:23a
25h 29m
1 stop
Depart: Thu Apr 27 2017 Return: Sun Apr 30 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
10:20p
OAK
5:54a
7h 34m
2 stops
OAK
12:54a
ONT
2:23a
25h 29m
2 stops
Depart: Thu Mar 9 2017 Return: Sat Mar 11 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
7:45a
OAK
1:42p
5h 57m
1 stop
OAK
1:00a
ONT
6:48a
5h 48m
1 stop
Depart: Wed May 31 2017 Return: Mon Jun 5 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ONT
7:00a
OAK
2:49p
7h 49m
1 stop
OAK
9:47a
ONT
6:23a
20h 36m
1 stop
Depart: Sun Mar 12 2017 Return: Mon Mar 13 2017 Trip spans 1 days
Delta
Delta
ONT
1:00a
OAK
6:50a
4h 50m
1 stop
OAK
2:15a
ONT
6:52p
16h 37m
1 stop
Depart: Wed Mar 22 2017 Return: Sun Mar 26 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
8:45a
OAK
2:42p
5h 57m
1 stop
OAK
2:00a
ONT
8:27p
18h 27m
1 stop
Depart: Fri Apr 21 2017 Return: Tue May 2 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
ONT
2:20a
OAK
3:59a
25h 39m
1 stop
OAK
4:54a
ONT
6:23a
25h 29m
1 stop
Depart: Thu May 11 2017 Return: Sun May 14 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
3:00a
OAK
10:49a
7h 49m
1 stop
OAK
10:30a
ONT
2:40p
28h 10m
1 stop
Depart: Fri May 12 2017 Return: Sun May 14 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
8:45a
OAK
2:40p
5h 55m
1 stop
OAK
2:00a
ONT
2:26p
12h 26m
1 stop
Depart: Mon Apr 24 2017 Return: Tue May 2 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ONT
2:20a
OAK
3:59a
25h 39m
1 stop
OAK
3:22p
ONT
6:23a
15h 01m
1 stop
Depart: Sat Mar 11 2017 Return: Sat Mar 18 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
1:15a
OAK
7:05a
5h 50m
1 stop
OAK
2:00a
ONT
7:48a
5h 48m
1 stop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
4:45p
OAK
2:50p
22h 05m
1 stop
OAK
1:55a
ONT
5:53a
27h 58m
1 stop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
1:15a
OAK
7:05a
5h 50m
1 stop
OAK
7:45a
ONT
1:28p
5h 43m
1 stop
Depart: Thu Jun 8 2017 Return: Sat Jun 10 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
10:20p
OAK
9:45a
11h 25m
1 stop
OAK
10:00p
ONT
3:17a
5h 17m
1 stop
Depart: Thu May 18 2017 Return: Tue May 23 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ONT
7:00a
OAK
2:49p
7h 49m
1 stop
OAK
4:55a
ONT
6:25a
25h 30m
1 stop
Depart: Wed Mar 15 2017 Return: Mon Mar 20 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
8:45a
OAK
2:42p
5h 57m
1 stop
OAK
8:45a
ONT
5:39p
8h 54m
1 stop
Select an airline:  Southwest
Direct flights ONT to OAK on Southwest
Flight # Depart ONT Arrive OAK Sun Mon Tue Wed Thu Fri Sat Valid Between
1276 6:15 am 7:35 am Mar 10 - Mar 10
1276 6:15 am 7:35 am Mar 13 - Apr 24
1629 6:50 am 8:10 am Feb 16 - Mar 8
6534 6:50 am 8:10 am Mar 11 - Mar 11
6534 6:50 am 8:10 am Mar 18 - Apr 22
4897 7:45 am 9:00 am Mar 9 - Mar 10
4897 7:45 am 9:00 am Mar 13 - Apr 24
3774 8:05 am 9:20 am Mar 12 - Apr 23
2332 8:45 am 10:00 am Mar 18 - Apr 1
2332 8:45 am 10:00 am Mar 11 - Mar 11
3463 9:00 am 10:15 am Feb 19 - Mar 5
3121 9:15 am 10:30 am Mar 12 - Apr 23
4561 9:20 am 10:35 am Mar 6 - Mar 8
828 9:55 am 11:10 am Mar 9 - Mar 10
828 9:55 am 11:10 am Mar 13 - Apr 24
4869 10:45 am 12:00 pm Mar 18 - Apr 22
4869 10:45 am 12:00 pm Mar 11 - Mar 11
3654 11:00 am 12:15 pm Feb 19 - Mar 5
406 12:05 pm 1:20 pm Feb 16 - Mar 8
3768 12:20 pm 1:35 pm Feb 19 - Mar 5
2999 1:35 pm 2:50 pm Feb 19 - Mar 5
4776 2:05 pm 3:20 pm Feb 16 - Mar 8
6061 2:55 pm 4:10 pm Mar 12 - Apr 23
4695 4:10 pm 5:20 pm Mar 13 - Apr 24
4695 4:10 pm 5:20 pm Mar 9 - Mar 10
1751 5:00 pm 6:20 pm Feb 16 - Mar 8
2444 5:05 pm 6:25 pm Feb 19 - Mar 5
5126 6:35 pm 7:50 pm Mar 11 - Mar 11
5126 6:35 pm 7:50 pm Mar 18 - Apr 22
1769 7:40 pm 8:50 pm Mar 9 - Mar 10
1769 7:40 pm 8:50 pm Mar 13 - Apr 24
259 7:40 pm 8:55 pm Feb 16 - Mar 8
2233 7:50 pm 9:00 pm Mar 12 - Apr 23
2880 8:50 pm 10:05 pm Feb 19 - Mar 5
5562 9:00 pm 10:10 pm Mar 18 - Apr 22
5562 9:00 pm 10:10 pm Mar 11 - Mar 11
1499 9:05 pm 10:20 pm Feb 16 - Mar 8
645 9:45 pm 10:55 pm Mar 9 - Mar 10
645 9:45 pm 10:55 pm Mar 13 - Apr 24
3472 10:15 pm 11:30 pm Mar 12 - Apr 23
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Ontario
$228
Destination

Oakland
$228