Find Deals on 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: Mon May 15 2017 Return: Fri May 19 2017 Trip spans 5 days
Major Airline
Major Airline
PDX
9:00p
ONT
1:52a
4h 52m
2 stops
ONT
10:20p
PDX
3:41a
5h 21m
2 stops
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
4:02a
ONT
6:23a
2h 21m
nonstop
ONT
4:45p
PDX
7:05p
2h 20m
nonstop
Depart: Thu May 18 2017 Return: Tue May 23 2017 Trip spans 6 days
United
United
PDX
1:40a
ONT
6:06a
4h 26m
1 stop
ONT
4:10p
PDX
8:45p
4h 35m
1 stop
Depart: Tue Apr 11 2017 Return: Sun Apr 16 2017 Trip spans 6 days
Delta
Delta
PDX
2:46p
ONT
6:49p
4h 03m
1 stop
ONT
2:00a
PDX
6:35a
4h 35m
1 stop
Depart: Tue May 16 2017 Return: Tue May 23 2017 Trip spans 8 days
Major Airline
Major Airline
PDX
3:00a
ONT
8:30a
5h 30m
2 stops
ONT
4:04a
PDX
8:45a
4h 41m
2 stops
Depart: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
4:00a
ONT
6:23a
2h 23m
nonstop
ONT
4:45p
PDX
7:03p
2h 18m
nonstop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:00a
ONT
6:23a
2h 23m
nonstop
ONT
4:45p
PDX
7:03p
2h 18m
nonstop
Depart: Fri May 19 2017 Return: Tue May 23 2017 Trip spans 5 days
Major Airline
Major Airline
PDX
9:00p
ONT
3:23a
6h 23m
1 stop
ONT
9:30a
PDX
3:17p
5h 47m
1 stop
Depart: Sun May 14 2017 Return: Tue May 16 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
4:00a
ONT
6:23a
2h 23m
nonstop
ONT
4:45p
PDX
7:03p
2h 18m
nonstop
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
4:00a
ONT
6:23a
2h 23m
nonstop
ONT
4:45p
PDX
7:03p
2h 18m
nonstop
Depart: Sat Apr 15 2017 Return: Sun Apr 16 2017 Trip spans 2 days
Delta
Delta
PDX
9:30a
ONT
5:02p
7h 32m
1 stop
ONT
2:00a
PDX
6:35a
4h 35m
1 stop
Depart: Wed May 24 2017 Return: Sun May 28 2017 Trip spans 5 days
Major Airline
Major Airline
PDX
3:00a
ONT
8:30a
5h 30m
1 stop
ONT
4:04a
PDX
9:48a
5h 44m
1 stop
Depart: Mon Apr 3 2017 Return: Wed Apr 12 2017 Trip spans 10 days
United
United
PDX
11:12a
ONT
4:49p
5h 37m
1 stop
ONT
3:15p
PDX
8:47p
5h 32m
1 stop
Depart: Sun Jun 4 2017 Return: Sat Jun 10 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
4:03a
ONT
6:23a
2h 20m
nonstop
ONT
3:50p
PDX
6:04p
2h 14m
nonstop
Depart: Tue Jun 13 2017 Return: Wed Jun 21 2017 Trip spans 9 days
Major Airline
Major Airline
PDX
8:55a
ONT
11:15a
2h 20m
nonstop
ONT
11:50a
PDX
2:04p
2h 14m
nonstop
Depart: Wed Apr 5 2017 Return: Wed Apr 12 2017 Trip spans 8 days
United
United
PDX
9:25a
ONT
3:31p
6h 06m
1 stop
ONT
3:15p
PDX
8:47p
5h 32m
1 stop
Depart: Wed Jun 28 2017 Return: Sat Jul 8 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
PDX
4:03a
ONT
6:23a
2h 20m
nonstop
ONT
3:50p
PDX
6:04p
2h 14m
nonstop
Depart: Mon Apr 10 2017 Return: Sat Apr 15 2017 Trip spans 6 days
Major Airline
Major Airline
PDX
9:00p
ONT
1:52a
4h 52m
2 stops
ONT
3:45a
PDX
9:59a
6h 14m
2 stops
Depart: Tue Jul 11 2017 Return: Wed Jul 19 2017 Trip spans 9 days
United
United
PDX
9:24a
ONT
3:13p
5h 49m
1 stop
ONT
6:30a
PDX
12:22p
5h 52m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
4:03a
ONT
6:23a
2h 20m
nonstop
ONT
3:50p
PDX
6:04p
2h 14m
nonstop
Direct flights PDX to ONT on Delta
Flight # Depart PDX Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
9126 5:55 pm 8:10 pm Mar 29 - Apr 30
* 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
$123
Destination

Ontario
$123
Airlines Airline reviews

5 travelers who booked a flight from Portland to Ontario rated their chosen airlines with an average of 9.7.

Overall
10.0
Boarding
10.0
Crew
10.0
Comfort
9.6
Food
9.2
Entertainment
9.2