Find Deals on Flights from Portland to Seattle

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 Portland to Seattle

(Round-trip)
Depart: Tue Mar 14 2017 Return: Thu Mar 23 2017 Trip spans 10 days
Major Airline
Major Airline
PWM
7:00a
SEA
6:58p
11h 58m
1 stop
SEA
2:26p
PWM
12:26a
10h 00m
1 stop
Depart: Wed Mar 29 2017 Return: Mon Apr 10 2017 Trip spans 13 days
United
United
PWM
9:53a
SEA
9:36p
11h 43m
1 stop
SEA
7:20p
PWM
4:00a
8h 40m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 21 2017 Trip spans 7 days
JetBlue
JetBlue
PWM
11:00a
SEA
10:58p
11h 58m
1 stop
SEA
6:26p
PWM
4:22a
9h 56m
1 stop
Depart: Fri May 12 2017 Return: Mon May 15 2017 Trip spans 4 days
American Airlines
American Airlines
PWM
1:47p
SEA
9:59p
8h 12m
1 stop
SEA
6:30p
PWM
3:07a
8h 37m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Mar 29 2017 Trip spans 8 days
Delta
Delta
PWM
1:30a
SEA
10:04a
8h 34m
1 stop
SEA
9:55a
PWM
4:57p
7h 02m
1 stop
Depart: Thu Mar 30 2017 Return: Mon Apr 10 2017 Trip spans 12 days
United
United
PWM
12:43p
SEA
9:02p
8h 19m
1 stop
SEA
7:20p
PWM
4:00a
8h 40m
1 stop
Depart: Fri Apr 21 2017 Return: Sat Apr 29 2017 Trip spans 9 days
Major Airline
Major Airline
PWM
7:00a
SEA
6:58p
11h 58m
2 stops
SEA
2:26p
PWM
12:26a
10h 00m
2 stops
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
United
United
PWM
12:40p
SEA
9:15p
8h 35m
1 stop
SEA
7:30p
PWM
3:40a
8h 10m
1 stop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
Major Airline
Major Airline
PWM
4:02a
SEA
6:58p
14h 56m
1 stop
SEA
12:05a
PWM
7:38a
7h 33m
1 stop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
Delta
Delta
PWM
12:35p
SEA
11:06p
10h 31m
1 stop
SEA
2:15p
PWM
4:56a
14h 41m
2 stops
Depart: Tue May 2 2017 Return: Sun May 7 2017 Trip spans 6 days
United
United
PWM
10:42a
SEA
7:49p
9h 07m
1 stop
SEA
7:35p
PWM
3:37a
8h 02m
1 stop
Depart: Mon Mar 13 2017 Return: Tue Mar 21 2017 Trip spans 9 days
JetBlue
JetBlue
PWM
11:00a
SEA
10:58p
11h 58m
1 stop
SEA
6:26p
PWM
4:22a
9h 56m
1 stop
Depart: Sat Mar 18 2017 Return: Tue Mar 28 2017 Trip spans 11 days
JetBlue
JetBlue
PWM
11:00a
SEA
10:58p
11h 58m
1 stop
SEA
6:26p
PWM
4:26a
10h 00m
1 stop
Depart: Wed Mar 1 2017 Return: Tue Mar 7 2017 Trip spans 7 days
Major Airline
Major Airline
PWM
12:00a
SEA
7:57a
7h 57m
nonstop
SEA
8:00a
PWM
9:57a
1h 57m
nonstop
Depart: Fri Apr 28 2017 Return: Sat May 6 2017 Trip spans 9 days
Delta
Delta
PWM
1:00p
SEA
10:28p
9h 28m
1 stop
SEA
10:00a
PWM
4:57p
6h 57m
1 stop
Depart: Sat May 20 2017 Return: Tue May 30 2017 Trip spans 11 days
American Airlines
American Airlines
PWM
1:47p
SEA
9:59p
8h 12m
1 stop
SEA
8:14p
PWM
7:13a
10h 59m
2 stops
Depart: Sun Mar 12 2017 Return: Tue Mar 21 2017 Trip spans 10 days
Major Airline
Major Airline
PWM
7:00a
SEA
6:58p
11h 58m
2 stops
SEA
2:26p
PWM
3:18a
12h 52m
2 stops
Depart: Mon Mar 20 2017 Return: Tue Mar 28 2017 Trip spans 9 days
United
United
PWM
9:53a
SEA
9:36p
11h 43m
1 stop
SEA
7:35p
PWM
4:12a
8h 37m
1 stop
Depart: Wed Mar 8 2017 Return: Thu Mar 9 2017 Trip spans 2 days
Delta
Delta
PWM
11:33a
SEA
8:10p
8h 37m
1 stop
SEA
7:05a
PWM
3:50p
8h 45m
1 stop
Depart: Thu Mar 16 2017 Return: Tue Mar 21 2017 Trip spans 6 days
JetBlue
JetBlue
PWM
11:00a
SEA
10:58p
11h 58m
1 stop
SEA
6:26p
PWM
4:22a
9h 56m
1 stop
* 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
$312
Destination

Seattle
$312