Find Cheap 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: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
United
United
ONT
3:15p
PWM
2:49a
11h 34m
2 stops
PWM
2:03a
ONT
3:20p
13h 17m
2 stops
Depart: Wed Jul 12 2017 Return: Tue Jul 25 2017 Trip spans 14 days
Major Airline
Major Airline
ONT
1:00a
PWM
3:11a
2h 11m
nonstop
PWM
1:00a
ONT
9:11a
8h 11m
nonstop
Depart: Wed Dec 20 2017 Return: Sat Jan 6 2018 Trip spans 18 days
American Airlines
American Airlines
ONT
7:59p
PWM
6:42a
10h 43m
2 stops
PWM
12:45a
ONT
5:50p
17h 05m
2 stops
Depart: Thu Dec 21 2017 Return: Wed Jan 3 2018 Trip spans 14 days
Delta
Delta
ONT
1:00a
PWM
1:50p
12h 50m
2 stops
PWM
11:35a
ONT
8:46p
9h 11m
2 stops
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
United
United
ONT
5:40p
PWM
4:05a
10h 25m
2 stops
PWM
12:35p
ONT
11:26p
10h 51m
2 stops
Depart: Sat Dec 16 2017 Return: Wed Jan 3 2018 Trip spans 19 days
United
United
ONT
4:25p
PWM
4:25a
12h 00m
2 stops
PWM
1:10a
ONT
4:33p
15h 23m
2 stops
Depart: Sun Dec 17 2017 Return: Wed Jan 3 2018 Trip spans 18 days
United
United
ONT
3:00p
PWM
4:25a
13h 25m
2 stops
PWM
7:55a
ONT
9:58p
14h 03m
2 stops
Depart: Mon Dec 18 2017 Return: Wed Jan 3 2018 Trip spans 17 days
United
United
ONT
4:25p
PWM
4:08a
11h 43m
2 stops
PWM
1:00a
ONT
2:20p
13h 20m
2 stops
Depart: Tue Dec 19 2017 Return: Fri Jan 5 2018 Trip spans 18 days
United
United
ONT
4:25p
PWM
4:25a
12h 00m
2 stops
PWM
7:55a
ONT
9:58p
14h 03m
2 stops
Depart: Fri Dec 15 2017 Return: Wed Jan 3 2018 Trip spans 20 days
United
United
ONT
4:25p
PWM
4:08a
11h 43m
2 stops
PWM
11:22a
ONT
9:58p
10h 36m
2 stops
Depart: Tue Jul 11 2017 Return: Tue Jul 25 2017 Trip spans 15 days
Delta
Delta
ONT
2:00a
PWM
3:32p
13h 32m
2 stops
PWM
2:00a
ONT
4:42p
14h 42m
2 stops
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
United
United
ONT
5:40p
PWM
3:49a
10h 09m
2 stops
PWM
7:25a
ONT
8:09p
12h 44m
2 stops
Depart: Fri Jul 14 2017 Return: Tue Jul 25 2017 Trip spans 12 days
$1314
Select
Delta
Delta
ONT
2:00a
PWM
3:32p
13h 32m
2 stops
PWM
2:00a
ONT
4:42p
14h 42m
2 stops
Depart: Mon Jul 17 2017 Return: Tue Jul 25 2017 Trip spans 9 days
United
United
ONT
5:40p
PWM
3:49a
10h 09m
2 stops
PWM
7:25a
ONT
8:09p
12h 44m
2 stops
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
$3020
Select
Alaska Airlines
Alaska Airlines
ONT
2:20a
PWM
1:01p
34h 41m
2 stops
PWM
8:55a
ONT
9:16p
36h 21m
2 stops
Depart: Mon Jul 3 2017 Return: Thu Jul 13 2017 Trip spans 11 days
United
United
ONT
1:25a
PWM
10:20a
8h 55m
2 stops
PWM
7:25a
ONT
8:09p
12h 44m
2 stops
Depart: Mon Jul 24 2017 Return: Thu Jul 27 2017 Trip spans 4 days
United
United
ONT
5:40p
PWM
3:49a
10h 09m
2 stops
PWM
1:31a
ONT
3:20p
13h 49m
2 stops
Depart: Thu Jul 6 2017 Return: Sun Jul 9 2017 Trip spans 4 days
United
United
ONT
5:15a
PWM
4:58p
11h 43m
2 stops
PWM
1:39a
ONT
3:20p
13h 41m
2 stops
Depart: Sat Jul 1 2017 Return: Thu Jul 13 2017 Trip spans 13 days
$3125
Select
Alaska Airlines
Alaska Airlines
ONT
1:15p
PWM
11:45a
22h 30m
2 stops
PWM
8:55a
ONT
9:16p
36h 21m
2 stops
Depart: Thu Jul 13 2017 Return: Tue Jul 25 2017 Trip spans 13 days
$1236
Select
United
United
ONT
4:10p
PWM
2:49a
10h 39m
2 stops
PWM
2:25a
ONT
3:20p
12h 55m
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:

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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.

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Airports
Origin

Ontario
$392
Destination

Portland
$392