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.
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 Seattle

(Round-trip)
Depart: Mon Jun 19 2017 Return: Mon Jul 17 2017 Trip spans 29 days
Alaska Airlines
Alaska Airlines
PDX
6:20p
SEA
7:09p
0h 49m
nonstop
SEA
9:30a
PDX
10:25a
0h 55m
nonstop
Depart: Fri Jun 23 2017 Return: Sun Jun 25 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
10:00p
SEA
10:52p
0h 52m
nonstop
SEA
6:15a
PDX
7:04a
0h 49m
nonstop
Depart: Sat Jun 17 2017 Return: Mon Jun 19 2017 Trip spans 3 days
Delta
Delta
PDX
10:33a
SEA
11:32a
0h 59m
nonstop
SEA
3:45a
PDX
4:51a
1h 06m
nonstop
Depart: Tue Jun 20 2017 Return: Wed Jun 21 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
5:55p
SEA
6:44p
0h 49m
nonstop
SEA
9:30a
PDX
10:25a
0h 55m
nonstop
Depart: Wed Aug 16 2017 Return: Mon Aug 28 2017 Trip spans 13 days
Major Airline
Major Airline
PDX
10:35p
SEA
11:25p
0h 50m
3 stops
SEA
4:58a
PDX
5:47a
0h 49m
3 stops
Depart: Mon Jul 17 2017 Return: Tue Jul 18 2017 Trip spans 2 days
Delta
Delta
PDX
10:35a
SEA
11:30a
0h 55m
nonstop
SEA
5:40a
PDX
6:44a
1h 04m
nonstop
Depart: Wed Jun 21 2017 Return: Sun Jun 25 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PDX
5:10p
SEA
5:59p
0h 49m
nonstop
SEA
2:25a
PDX
3:11a
0h 46m
nonstop
Depart: Wed Sep 20 2017 Return: Sat Sep 30 2017 Trip spans 11 days
Delta
Delta
PDX
4:15p
SEA
5:11p
0h 56m
nonstop
SEA
2:40p
PDX
3:32p
0h 52m
nonstop
Depart: Sat Jun 24 2017 Return: Sun Jun 25 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
5:55p
SEA
6:44p
0h 49m
nonstop
SEA
3:00a
PDX
3:57a
0h 57m
nonstop
Depart: Fri Jun 2 2017 Return: Sun Jun 4 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
1:00a
SEA
1:15a
0h 15m
nonstop
SEA
9:00a
PDX
9:15a
0h 15m
nonstop
Depart: Sun Jun 25 2017 Return: Mon Jun 26 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
SEA
3:25a
0h 50m
nonstop
SEA
3:25a
PDX
4:22a
0h 57m
nonstop
Depart: Tue Jun 27 2017 Return: Wed Jun 28 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
6:20p
SEA
7:09p
0h 49m
nonstop
SEA
9:30a
PDX
10:25a
0h 55m
nonstop
Depart: Mon Jun 12 2017 Return: Tue Jun 13 2017 Trip spans 2 days
Major Airline
Major Airline
PDX
10:00p
SEA
10:52p
0h 52m
3 stops
SEA
9:00a
PDX
9:53a
0h 53m
3 stops
Depart: Thu Jun 29 2017 Return: Sun Jul 2 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
5:55p
SEA
6:44p
0h 49m
nonstop
SEA
4:55a
PDX
5:51a
0h 56m
nonstop
Depart: Sat Jul 1 2017 Return: Wed Jul 5 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PDX
12:00p
SEA
12:49p
0h 49m
nonstop
SEA
2:25a
PDX
3:11a
0h 46m
nonstop
Depart: Sun Jul 2 2017 Return: Wed Jul 5 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
8:35a
SEA
9:23a
0h 48m
nonstop
SEA
12:00p
PDX
12:47p
0h 47m
nonstop
Depart: Sun Jun 4 2017 Return: Mon Jun 5 2017 Trip spans 2 days
Major Airline
Major Airline
PDX
10:35p
SEA
11:25p
0h 50m
nonstop
SEA
1:30a
PDX
2:27a
0h 57m
nonstop
Depart: Mon Jul 3 2017 Return: Wed Jul 5 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
PDX
10:40a
SEA
11:29a
0h 49m
nonstop
SEA
4:00p
PDX
4:47p
0h 47m
nonstop
Depart: Mon Jun 5 2017 Return: Tue Jun 6 2017 Trip spans 2 days
Major Airline
Major Airline
PDX
10:00p
SEA
10:52p
0h 52m
3 stops
SEA
8:00a
PDX
8:47a
0h 47m
3 stops
Depart: Tue Jul 4 2017 Return: Wed Jul 5 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
11:30a
SEA
12:19p
0h 49m
nonstop
SEA
2:25a
PDX
3:11a
0h 46m
nonstop
* 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
$169
Destination

Seattle
$169
Airlines Airline reviews

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

Overall
8.6
Boarding
8.7
Crew
8.9
Comfort
8.5
Food
7.4
Entertainment
7.4