Find Deals on Flights from Ontario to Portland (ONT - PWM)

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 Portland

(Round-trip)
Depart: Thu Mar 9 2017 Return: Mon Mar 13 2017 Trip spans 4 days
United
United
ONT
4:05a
PWM
2:45p
10h 40m
2 stops
PWM
6:20a
ONT
5:41p
11h 21m
2 stops
Depart: Fri May 19 2017 Return: Tue May 23 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
1:00a
PWM
3:11a
2h 11m
nonstop
PWM
1:00a
ONT
9:11a
8h 11m
nonstop
Depart: Sat May 13 2017 Return: Sat May 27 2017 Trip spans 15 days
Delta
Delta
ONT
2:00a
PWM
2:47p
12h 47m
2 stops
PWM
5:00a
ONT
8:06p
15h 06m
2 stops
Depart: Fri Feb 24 2017 Return: Tue Mar 7 2017 Trip spans 12 days
American Airlines
American Airlines
ONT
1:20a
PWM
11:59a
10h 39m
2 stops
PWM
12:02p
ONT
11:36a
23h 34m
2 stops
Depart: Sat Feb 25 2017 Return: Tue Mar 7 2017 Trip spans 11 days
American Airlines
American Airlines
ONT
5:54a
PWM
6:32a
24h 38m
2 stops
PWM
12:02p
ONT
11:36a
23h 34m
2 stops
Depart: Tue Jun 13 2017 Return: Wed Jun 21 2017 Trip spans 9 days
United
United
ONT
5:25p
PWM
5:08a
11h 43m
2 stops
PWM
2:00a
ONT
3:20p
13h 20m
2 stops
Depart: Thu Jul 6 2017 Return: Tue Jul 11 2017 Trip spans 6 days
Major Airline
Major Airline
ONT
1:00a
PWM
3:11a
2h 11m
2 stops
PWM
1:00a
ONT
9:11a
8h 11m
2 stops
Depart: Fri Aug 11 2017 Return: Wed Aug 16 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
5:55a
PWM
2:58p
9h 03m
2 stops
PWM
10:50a
ONT
8:39p
9h 49m
2 stops
Depart: Sat Mar 11 2017 Return: Tue Mar 14 2017 Trip spans 3 days
United
United
ONT
12:45a
PWM
12:55p
12h 10m
2 stops
PWM
9:53a
ONT
11:06p
13h 13m
2 stops
Depart: Wed Jul 5 2017 Return: Tue Jul 11 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
8:59p
PWM
7:42a
10h 43m
2 stops
PWM
4:05a
ONT
5:28p
13h 23m
2 stops
Depart: Sun Feb 26 2017 Return: Tue Mar 7 2017 Trip spans 10 days
American Airlines
American Airlines
ONT
2:30p
PWM
3:32a
13h 02m
2 stops
PWM
12:39p
ONT
11:36a
22h 57m
2 stops
Depart: Tue Feb 28 2017 Return: Wed Mar 1 2017 Trip spans 2 days
United
United
ONT
3:10p
PWM
3:34a
12h 24m
2 stops
PWM
8:48a
ONT
9:59p
13h 11m
2 stops
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
United
United
ONT
3:10p
PWM
3:34a
12h 24m
2 stops
PWM
5:37a
ONT
4:45p
11h 08m
2 stops
Depart: Sat Jul 1 2017 Return: Thu Jul 6 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
5:55a
PWM
2:58p
9h 03m
2 stops
PWM
10:50a
ONT
8:39p
9h 49m
2 stops
Depart: Sun Jun 11 2017 Return: Fri Jun 16 2017 Trip spans 6 days
$1567
Select
Delta
Delta
ONT
6:15a
PWM
4:57p
10h 42m
2 stops
PWM
12:35p
ONT
9:39p
9h 04m
2 stops
Depart: Tue Mar 28 2017 Return: Sat Apr 1 2017 Trip spans 5 days
$3150
Select
Alaska Airlines
Alaska Airlines
ONT
7:45a
PWM
11:47a
28h 02m
2 stops
PWM
10:25a
ONT
8:52a
22h 27m
2 stops
Depart: Mon Jul 17 2017 Return: Thu Jul 20 2017 Trip spans 4 days
$1577
Select
Delta
Delta
ONT
6:20a
PWM
2:52p
8h 32m
2 stops
PWM
12:35p
ONT
9:39p
9h 04m
2 stops
Depart: Thu Jun 29 2017 Return: Mon Jul 10 2017 Trip spans 12 days
$1709
Select
Delta
Delta
ONT
6:20a
PWM
4:35p
10h 15m
2 stops
PWM
12:35p
ONT
9:39p
9h 04m
2 stops
* 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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Ontario
$454
Destination

Portland
$454