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 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
ONT
7:27a
PDX
9:50a
2h 23m
nonstop
Depart: Sat Jul 8 2017 Return: Mon Jul 10 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
3:35a
ONT
8:17a
4h 42m
1 stop
ONT
4:00a
PDX
8:19a
4h 19m
1 stop
Depart: Tue May 30 2017 Return: Fri Jun 2 2017 Trip spans 4 days
United
United
PDX
9:30a
ONT
3:36p
6h 06m
1 stop
ONT
8:40a
PDX
2:44p
6h 04m
1 stop
Depart: Thu Aug 3 2017 Return: Wed Aug 9 2017 Trip spans 7 days
Southwest
Southwest
PDX
7:25a
ONT
9:45a
2h 20m
nonstop
ONT
7:25a
PDX
9:30a
2h 05m
nonstop
Depart: Sun Jun 4 2017 Return: Sat Jun 10 2017 Trip spans 7 days
American Airlines
American Airlines
PDX
1:10a
ONT
7:42a
6h 32m
1 stop
ONT
12:30p
PDX
6:50p
6h 20m
1 stop
Depart: Sat Jun 17 2017 Return: Mon Jun 19 2017 Trip spans 3 days
Delta
Delta
PDX
3:20a
ONT
7:58a
4h 38m
1 stop
ONT
2:20p
PDX
6:59p
4h 39m
1 stop
Depart: Wed Oct 4 2017 Return: Wed Oct 11 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
ONT
7:27a
PDX
9:50a
2h 23m
nonstop
Depart: Wed May 31 2017 Return: Fri Jun 2 2017 Trip spans 3 days
United
United
PDX
9:30a
ONT
3:36p
6h 06m
1 stop
ONT
3:10p
PDX
8:45p
5h 35m
1 stop
Depart: Sat Oct 14 2017 Return: Tue Oct 24 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
PDX
1:25p
ONT
3:48p
2h 23m
nonstop
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
Depart: Thu Jun 1 2017 Return: Sun Jun 4 2017 Trip spans 4 days
United
United
PDX
3:40p
ONT
8:11p
4h 31m
1 stop
ONT
1:30a
PDX
5:27a
3h 57m
1 stop
Depart: Wed Oct 25 2017 Return: Wed Nov 1 2017 Trip spans 8 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 Aug 9 2017 Return: Mon Aug 14 2017 Trip spans 6 days
Major Airline
Major Airline
PDX
12:55a
ONT
8:16a
7h 21m
1 stop
ONT
9:15a
PDX
1:42p
4h 27m
1 stop
Depart: Fri Jun 2 2017 Return: Sun Jun 4 2017 Trip spans 3 days
United
United
PDX
3:40p
ONT
8:11p
4h 31m
1 stop
ONT
1:30a
PDX
5:27a
3h 57m
1 stop
Depart: Wed Jul 26 2017 Return: Mon Jul 31 2017 Trip spans 6 days
Major Airline
Major Airline
PDX
12:05a
ONT
2:20a
2h 15m
nonstop
ONT
2:58a
PDX
5:16a
2h 18m
nonstop
Depart: Tue Sep 12 2017 Return: Thu Sep 14 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
1:25p
ONT
3:45p
2h 20m
nonstop
ONT
4:25p
PDX
6:49p
2h 24m
nonstop
Depart: Sat Jun 3 2017 Return: Sun Jun 4 2017 Trip spans 2 days
United
United
PDX
11:00a
ONT
4:36p
5h 36m
1 stop
ONT
1:30a
PDX
5:27a
3h 57m
1 stop
Depart: Sat Jun 10 2017 Return: Sat Jun 17 2017 Trip spans 8 days
Delta
Delta
PDX
9:15a
ONT
5:13p
7h 58m
2 stops
ONT
9:00a
PDX
2:03p
5h 03m
1 stop
Depart: Fri Sep 29 2017 Return: Sun Oct 1 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
9:25a
ONT
11:45a
2h 20m
nonstop
ONT
3:25a
PDX
5:49a
2h 24m
nonstop
Depart: Thu Sep 14 2017 Return: Tue Sep 19 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
ONT
7:25a
PDX
9:49a
2h 24m
nonstop
Depart: Tue Jun 6 2017 Return: Thu Jun 8 2017 Trip spans 3 days
United
United
PDX
9:30a
ONT
3:36p
6h 06m
1 stop
ONT
6:40a
PDX
12:09p
5h 29m
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 5 - Aug 14
413 11:40 am 2:00 pm May 29 - May 29
413 11:45 am 2:05 pm May 30 - Jun 2
4895 1:25 pm 3:45 pm Jun 4 - Aug 13
5262 3:55 pm 6:10 pm May 20 - Jun 3
5310 7:20 pm 9:40 pm Jun 10 - 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
$187
Destination

Ontario
$187
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