Find Cheap Flights from Ontario to Portland (ONT - PDX)

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 Ontario to Portland

(Round-trip)
Depart: Tue Sep 5 2017 Return: Wed Sep 13 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ONT
4:25p
PDX
6:49p
2h 24m
nonstop
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
Depart: Mon Jun 5 2017 Return: Tue Jun 6 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
10:20p
PDX
3:55a
5h 35m
1 stop
PDX
9:00p
ONT
3:17a
6h 17m
1 stop
Depart: Fri Jun 2 2017 Return: Sat Jun 3 2017 Trip spans 2 days
United
United
ONT
3:10p
PDX
8:45p
5h 35m
1 stop
PDX
11:00a
ONT
3:36p
4h 36m
1 stop
Depart: Tue Aug 15 2017 Return: Fri Aug 18 2017 Trip spans 4 days
Southwest
Southwest
ONT
6:45a
PDX
9:00a
2h 15m
nonstop
PDX
8:00a
ONT
10:10a
2h 10m
nonstop
Depart: Tue Jun 13 2017 Return: Tue Jun 20 2017 Trip spans 8 days
Delta
Delta
ONT
2:20p
PDX
6:59p
4h 39m
1 stop
PDX
2:41p
ONT
6:45p
4h 04m
1 stop
Depart: Sat Jun 3 2017 Return: Sat Jun 10 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
8:45a
PDX
3:42p
6h 57m
1 stop
PDX
11:30a
ONT
5:45p
6h 15m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ONT
7:25a
PDX
9:49a
2h 24m
nonstop
PDX
1:25p
ONT
3:45p
2h 20m
nonstop
Depart: Sun Jun 4 2017 Return: Mon Jun 5 2017 Trip spans 2 days
United
United
ONT
1:30a
PDX
5:27a
3h 57m
1 stop
PDX
3:40p
ONT
8:11p
4h 31m
1 stop
Depart: Sat Sep 2 2017 Return: Sun Sep 3 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ONT
4:25p
PDX
6:49p
2h 24m
nonstop
PDX
4:25a
ONT
6:45a
2h 20m
nonstop
Depart: Tue Jul 11 2017 Return: Fri Jul 21 2017 Trip spans 11 days
Major Airline
Major Airline
ONT
10:20p
PDX
3:55a
5h 35m
1 stop
PDX
11:00p
ONT
3:17a
4h 17m
1 stop
Depart: Thu Nov 23 2017 Return: Sat Dec 2 2017 Trip spans 10 days
United
United
ONT
2:15p
PDX
7:34p
5h 19m
1 stop
PDX
10:09a
ONT
3:38p
5h 29m
1 stop
Depart: Sun Aug 13 2017 Return: Sat Aug 26 2017 Trip spans 14 days
Southwest
Southwest
ONT
6:40a
PDX
8:50a
2h 10m
nonstop
PDX
12:00p
ONT
2:10p
2h 10m
nonstop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
7:25a
PDX
9:49a
2h 24m
nonstop
PDX
1:25p
ONT
3:45p
2h 20m
nonstop
Depart: Sat Sep 16 2017 Return: Tue Sep 19 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
7:25a
PDX
9:49a
2h 24m
nonstop
PDX
1:25p
ONT
3:45p
2h 20m
nonstop
Depart: Wed Jun 21 2017 Return: Wed Jun 28 2017 Trip spans 8 days
Southwest
Southwest
ONT
3:55p
PDX
7:40p
3h 45m
1 stop
PDX
7:25a
ONT
12:05p
4h 40m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
11:50a
PDX
2:08p
2h 18m
nonstop
PDX
9:25a
ONT
11:45a
2h 20m
nonstop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
United
United
ONT
4:10p
PDX
8:45p
4h 35m
1 stop
PDX
1:55a
ONT
6:04a
4h 09m
1 stop
Depart: Wed Oct 4 2017 Return: Wed Oct 18 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
ONT
4:28p
PDX
6:50p
2h 22m
nonstop
PDX
4:25a
ONT
6:47a
2h 22m
nonstop
Depart: Sat Jun 17 2017 Return: Tue Jun 20 2017 Trip spans 4 days
Delta
Delta
ONT
9:00a
PDX
2:03p
5h 03m
1 stop
PDX
2:41p
ONT
6:45p
4h 04m
1 stop
Depart: Sat Aug 5 2017 Return: Tue Aug 8 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
4:00a
PDX
10:46a
6h 46m
1 stop
PDX
3:00a
ONT
8:16a
5h 16m
1 stop
Direct flights ONT to PDX on Southwest
Flight # Depart ONT Arrive PDX Sun Mon Tue Wed Thu Fri Sat Valid Between
4253 7:10 am 9:20 am Jun 10 - Aug 12
4566 9:00 am 11:20 am May 20 - Jun 3
4894 10:40 am 12:50 pm Jun 4 - Aug 13
4068 10:55 am 1:15 pm May 30 - Jun 2
437 11:25 am 1:30 pm Jun 5 - Aug 14
* 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

Ontario
$149
Destination

Portland
$149
Airlines Airline reviews

6 travelers who booked a flight from Ontario to Portland rated their chosen airlines with an average of 7.4.

Overall
7.7
Boarding
7.7
Crew
7.7
Comfort
7.0
Food
7.3
Entertainment
7.0