Find Cheap 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: Mon Aug 14 2017 Return: Thu Aug 17 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
12:00p
SEA
12:49p
0h 49m
nonstop
SEA
4:30p
PDX
5:17p
0h 47m
nonstop
Depart: Wed Aug 16 2017 Return: Thu Aug 17 2017 Trip spans 2 days
Delta
Delta
PDX
4:35p
SEA
5:44p
1h 09m
nonstop
SEA
5:40a
PDX
6:44a
1h 04m
nonstop
Depart: Thu Aug 17 2017 Return: Sat Aug 19 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
8:35a
SEA
9:25a
0h 50m
nonstop
SEA
3:00a
PDX
3:57a
0h 57m
nonstop
Depart: Mon Aug 28 2017 Return: Mon Sep 25 2017 Trip spans 29 days
Delta
Delta
PDX
7:20a
SEA
8:20a
1h 00m
nonstop
SEA
3:15p
PDX
4:15p
1h 00m
nonstop
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
1:30p
SEA
2:19p
0h 49m
nonstop
SEA
7:10p
PDX
7:56p
0h 46m
nonstop
Depart: Sun Sep 10 2017 Return: Tue Sep 12 2017 Trip spans 3 days
Delta
Delta
PDX
12:59p
SEA
2:00p
1h 01m
nonstop
SEA
11:19a
PDX
12:25p
1h 06m
nonstop
Depart: Mon Aug 21 2017 Return: Tue Aug 22 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
6:35a
SEA
7:35a
1h 00m
nonstop
SEA
1:00p
PDX
1:52p
0h 52m
nonstop
Depart: Sat Sep 16 2017 Return: Fri Sep 22 2017 Trip spans 7 days
Delta
Delta
PDX
12:59p
SEA
1:59p
1h 00m
nonstop
SEA
3:50a
PDX
4:57a
1h 07m
nonstop
Depart: Wed Aug 23 2017 Return: Thu Aug 24 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
5:10p
SEA
6:01p
0h 51m
nonstop
SEA
8:00a
PDX
8:56a
0h 56m
nonstop
Depart: Sat Sep 23 2017 Return: Sun Sep 24 2017 Trip spans 2 days
Delta
Delta
PDX
12:59p
SEA
1:59p
1h 00m
nonstop
SEA
6:50p
PDX
7:48p
0h 58m
nonstop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
10:20a
SEA
11:09a
0h 49m
nonstop
SEA
4:38p
PDX
5:28p
0h 50m
nonstop
Depart: Mon Sep 25 2017 Return: Thu Sep 28 2017 Trip spans 4 days
Delta
Delta
PDX
2:00a
SEA
3:00a
1h 00m
nonstop
SEA
7:30a
PDX
8:33a
1h 03m
nonstop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
PDX
2:38a
SEA
3:30a
0h 52m
nonstop
SEA
1:00p
PDX
1:48p
0h 48m
nonstop
Depart: Sat Nov 11 2017 Return: Sun Nov 12 2017 Trip spans 2 days
Delta
Delta
PDX
6:20a
SEA
7:21a
1h 01m
nonstop
SEA
4:40a
PDX
5:46a
1h 06m
nonstop
Depart: Fri Sep 1 2017 Return: Sun Sep 3 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
8:32a
SEA
9:24a
0h 52m
nonstop
SEA
11:54a
PDX
12:54p
1h 00m
nonstop
Depart: Thu Nov 23 2017 Return: Fri Dec 8 2017 Trip spans 16 days
Delta
Delta
PDX
4:30a
SEA
5:30a
1h 00m
nonstop
SEA
6:40a
PDX
7:41a
1h 01m
nonstop
Depart: Sun Sep 3 2017 Return: Sun Sep 17 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
PDX
9:45a
SEA
10:37a
0h 52m
nonstop
SEA
2:25a
PDX
3:12a
0h 47m
nonstop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
PDX
5:35p
SEA
6:29p
0h 54m
nonstop
SEA
2:02p
PDX
2:52p
0h 50m
nonstop
Depart: Thu Aug 10 2017 Return: Thu Aug 31 2017 Trip spans 22 days
Delta
Delta
PDX
5:20a
SEA
6:36a
1h 16m
nonstop
SEA
9:00a
PDX
10:04a
1h 04m
nonstop
Depart: Sat Sep 9 2017 Return: Sun Sep 10 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
9:45a
SEA
10:37a
0h 52m
nonstop
SEA
3:35p
PDX
4:25p
0h 50m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Portland
$175
Destination

Seattle
$175
Airlines Airline reviews

93 travelers who booked a flight from Portland to Seattle rated their chosen airlines with an average of 8.4.

Overall
8.6
Boarding
8.6
Crew
8.9
Comfort
8.4
Food
7.3
Entertainment
7.4