Find Cheap Flights from Portland to Ontario (PDX - 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Portland to Ontario

(Round-trip)
Depart: Sat Sep 23 2017 Return: Sat Sep 30 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
ONT
4:25p
PDX
6:49p
2h 24m
nonstop
Depart: Mon Nov 6 2017 Return: Wed Nov 15 2017 Trip spans 10 days
Major Airline
Major Airline
PDX
10:10p
ONT
12:28a
2h 18m
nonstop
ONT
1:00a
PDX
3:23a
2h 23m
nonstop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Southwest
Southwest
PDX
8:00a
ONT
10:10a
2h 10m
nonstop
ONT
6:45a
PDX
9:00a
2h 15m
nonstop
Depart: Wed Jul 26 2017 Return: Tue Aug 1 2017 Trip spans 7 days
United
United
PDX
2:00a
ONT
6:04a
4h 04m
1 stop
ONT
1:10a
PDX
5:03a
3h 53m
1 stop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
Depart: Sat Oct 14 2017 Return: Wed Oct 18 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PDX
1:25p
ONT
3:48p
2h 23m
nonstop
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
Depart: Wed Oct 25 2017 Return: Wed Nov 1 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
ONT
3:45p
PDX
6:06p
2h 21m
nonstop
Depart: Sat Dec 23 2017 Return: Mon Jan 1 2018 Trip spans 10 days
Delta
Delta
PDX
1:20p
ONT
5:44p
4h 24m
1 stop
ONT
12:03p
PDX
6:01p
5h 58m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 15 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
PDX
3:10a
ONT
5:28a
2h 18m
nonstop
ONT
3:45p
PDX
6:06p
2h 21m
nonstop
Depart: Sat Jun 24 2017 Return: Tue Jul 4 2017 Trip spans 11 days
American Airlines
American Airlines
PDX
1:00a
ONT
7:42a
6h 42m
1 stop
ONT
8:45a
PDX
3:42p
6h 57m
1 stop
Depart: Tue Aug 8 2017 Return: Mon Aug 14 2017 Trip spans 7 days
Major Airline
Major Airline
PDX
9:30a
ONT
2:18p
4h 48m
3 stops
ONT
9:15a
PDX
1:17p
4h 02m
3 stops
Depart: Sat Nov 11 2017 Return: Wed Nov 15 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PDX
12:55p
ONT
3:06p
2h 11m
nonstop
ONT
3:45p
PDX
6:06p
2h 21m
nonstop
Depart: Wed Aug 2 2017 Return: Mon Aug 7 2017 Trip spans 6 days
Southwest
Southwest
PDX
7:25a
ONT
9:45a
2h 20m
nonstop
ONT
7:25a
PDX
9:30a
2h 05m
nonstop
Depart: Tue Jul 18 2017 Return: Tue Aug 1 2017 Trip spans 15 days
United
United
PDX
2:00a
ONT
6:04a
4h 04m
1 stop
ONT
1:10a
PDX
5:03a
3h 53m
1 stop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
3:30a
ONT
8:16a
4h 46m
1 stop
ONT
9:15a
PDX
2:55p
5h 40m
1 stop
Depart: Wed Sep 13 2017 Return: Fri Sep 22 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
ONT
7:25a
PDX
9:49a
2h 24m
nonstop
Depart: Sun Oct 29 2017 Return: Wed Nov 1 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
Depart: Tue Jul 25 2017 Return: Tue Aug 1 2017 Trip spans 8 days
United
United
PDX
2:00a
ONT
6:04a
4h 04m
1 stop
ONT
1:10a
PDX
5:03a
3h 53m
1 stop
Depart: Fri Sep 1 2017 Return: Thu Sep 7 2017 Trip spans 7 days
Major Airline
Major Airline
PDX
1:55p
ONT
2:01a
12h 06m
1 stop
ONT
3:50a
PDX
8:54a
5h 04m
1 stop
Direct flights PDX to ONT on Southwest
Flight # Depart PDX Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
637 11:25 am 1:45 pm Jun 21 - Aug 14
4895 1:25 pm 3:45 pm Jun 25 - Aug 13
5310 7:20 pm 9:40 pm Jun 24 - Aug 12
* 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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Portland
$127
Destination

Ontario
$127
Airlines Airline reviews

7 travelers who booked a flight from Portland to Ontario rated their chosen airlines with an average of 8.8.

Overall
9.4
Boarding
8.6
Crew
9.7
Comfort
8.6
Food
8.3
Entertainment
8.3