$111+ Cheap flights from Seattle to Portland (SEA - PDX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Jun 21 — Jun 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to PortlandExplore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
Explore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:50 pm
SEA
- PDX
Nonstop1h 00m
Alaska Airlines
Tue 11/1712:01 pm
PDX
- SEA
Nonstop1h 03m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:25 am
SEA
- PDX
Nonstop1h 11m
Delta
Sun 8/235:30 am
PDX
- SEA
Nonstop1h 07m
Delta
Deal found 5/21![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:01 pm
SEA
- PDX
Nonstop1h 08m
Delta
Sat 6/133:25 pm
PDX
- SEA
Nonstop1h 15m
Delta
Deal found 5/18![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:30 am
SEA
- PDX
Nonstop1h 06m
Delta
Fri 9/257:40 pm
PDX
- SEA
Nonstop1h 06m
Delta
Deal found 5/20![Delta logo]()
$247
This Trip.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:28 pm
SEA
- PDX
Nonstop0h 57m
Alaska Airlines
Mon 6/228:19 am
PDX
- SEA
Nonstop0h 55m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:55 pm
SEA
- PDX
Nonstop1h 07m
Delta
Sun 6/2111:20 am
PDX
- SEA
Nonstop1h 16m
Delta
Deal found 5/18![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:35 am
SEA
- PDX
Nonstop1h 02m
Delta
Mon 6/811:20 am
PDX
- SEA
Nonstop1h 16m
Delta
Deal found 5/18![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:25 pm
SEA
- PDX
Nonstop1h 00m
Alaska Airlines
Tue 11/175:50 pm
PDX
- SEA
1 stop5h 04m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:29 pm
SEA
- PDX
Nonstop1h 01m
Alaska Airlines
Tue 8/43:08 pm
PDX
- SEA
1 stop17h 18m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$280
Best flights from Seattle to PortlandDiscover carefully curated flight deals from Seattle to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
Discover carefully curated flight deals from Seattle to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:50 pm
SEA
- PDX
Nonstop1h 04m
Delta
Sat 6/275:30 am
PDX
- SEA
Nonstop1h 11m
Delta
Deal found 5/21![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:55 pm
SEA
- PDX
Nonstop1h 00m
Alaska Airlines
Sat 6/276:19 am
PDX
- SEA
Nonstop0h 58m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:30 am
SEA
- PDX
Nonstop1h 09m
Delta
Thu 7/23:26 pm
PDX
- SEA
Nonstop1h 15m
Delta
Deal found 5/20![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:55 pm
SEA
- PDX
Nonstop1h 00m
Alaska Airlines
Wed 6/249:19 am
PDX
- SEA
Nonstop1h 02m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:30 am
SEA
- PDX
Nonstop1h 05m
Delta
Mon 7/203:30 pm
PDX
- SEA
Nonstop1h 08m
Delta
Deal found 5/18![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:50 pm
SEA
- PDX
Nonstop1h 04m
Delta
Sat 6/273:25 pm
PDX
- SEA
Nonstop1h 15m
Delta
Deal found 5/21![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:59 pm
SEA
- PDX
Nonstop1h 01m
Delta
Sun 7/195:30 am
PDX
- SEA
Nonstop1h 05m
Delta
Deal found 5/19![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:00 pm
SEA
- PDX
Nonstop1h 06m
Delta
Sun 8/27:05 am
PDX
- SEA
Nonstop1h 10m
Delta
Deal found 5/18![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:30 am
SEA
- PDX
Nonstop1h 09m
Delta
Thu 6/259:30 am
PDX
- SEA
Nonstop1h 25m
Delta
Deal found 5/17![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:55 pm
SEA
- PDX
Nonstop1h 07m
Delta
Mon 6/228:42 pm
PDX
- SEA
Nonstop1h 18m
Delta
Deal found 5/17![Delta logo]()
$257
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated May 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:35 am
SEA
- PDX
Nonstop1h 02m
Delta
Mon 6/811:20 am
PDX
- SEA
Nonstop1h 16m
Delta
Deal found 5/18![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:10 pm
SEA
- PDX
Nonstop0h 59m
Delta
Wed 6/107:20 am
PDX
- SEA
Nonstop1h 14m
Delta
Deal found 5/20![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:30 pm
SEA
- PDX
Nonstop0h 58m
Alaska Airlines
Sat 6/65:46 pm
PDX
- SEA
Nonstop1h 08m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:01 pm
SEA
- PDX
Nonstop1h 08m
Delta
Sat 6/133:25 pm
PDX
- SEA
Nonstop1h 15m
Delta
Deal found 5/18![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:45 am
SEA
- PDX
Nonstop1h 02m
Alaska Airlines
Tue 6/910:30 am
PDX
- SEA
1 stop10h 46m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:20 pm
SEA
- PDX
1 stop12h 24m
Alaska Airlines
Tue 6/239:19 am
PDX
- SEA
Nonstop1h 02m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:25 pm
SEA
- PDX
Nonstop0h 57m
Alaska Airlines
Sun 6/216:19 am
PDX
- SEA
Nonstop0h 58m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$307
This Trip.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:28 pm
SEA
- PDX
Nonstop0h 57m
Alaska Airlines
Mon 6/228:19 am
PDX
- SEA
Nonstop0h 55m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:55 pm
SEA
- PDX
Nonstop1h 07m
Delta
Sun 6/2111:20 am
PDX
- SEA
Nonstop1h 16m
Delta
Deal found 5/18![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:03 am
SEA
- PDX
1 stop9h 44m
Alaska Airlines
Sun 6/216:19 am
PDX
- SEA
Nonstop0h 58m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$320
This deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:29 pm
SEA
- PDX
Nonstop1h 01m
Alaska Airlines
Sun 6/2812:03 pm
PDX
- SEA
Nonstop1h 00m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:42 am
SEA
- PDX
Nonstop0h 55m
Alaska Airlines
Sat 6/279:19 am
PDX
- SEA
Nonstop1h 02m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$312
One-way flights from Seattle to PortlandSearch for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:50 pm
SEA
- PDX
1 stop20h 45m
Frontier
Deal found 5/18![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:59 pm
SEA
- PDX
Nonstop1h 02m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$118
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:55 pm
SEA
- PDX
Nonstop1h 03m
Delta
Deal found 5/19![Delta logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:33 pm
SEA
- PDX
1 stop25h 02m
Frontier
Deal found 5/18![Frontier logo]()
$121
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:05 am
SEA
- PDX
Nonstop0h 57m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:30 am
SEA
- PDX
Nonstop1h 11m
Delta
Deal found 5/19![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:30 am
SEA
- PDX
Nonstop1h 09m
Delta
Deal found 5/18![Delta logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:58 pm
SEA
- PDX
Nonstop0h 57m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:12 am
SEA
- PDX
1 stop6h 32m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:12 am
SEA
- PDX
1 stop12h 00m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:35 pm
SEA
- PDX
Nonstop1h 11m
Delta
Deal found 5/18![Delta logo]()
$159
Find flight deals from Seattle to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Alaska Airlines) |
One-way from | $111 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $262 |
Good round-trip deal | $249 or less |
Good one-way deal | $168 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from Seattle to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Fri 6/26
10:50 pm-11:54 pm
Nonstop1h 04m
Portland
Sat 6/27
5:30 am-6:41 am
Nonstop1h 11m
$257
Quickest round-trip
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Sun 6/14
3:55 pm-4:55 pm
Nonstop1h 00m
Portland
Sat 6/27
6:19 am-7:17 am
Nonstop0h 58m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Sat 6/27
7:30 am-8:39 am
Nonstop1h 09m
Portland
Thu 7/2
3:26 pm-4:41 pm
Nonstop1h 15m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Fri 6/19
3:55 pm-4:55 pm
Nonstop1h 00m
Portland
Wed 6/24
9:19 am-10:21 am
Nonstop1h 02m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Fri 7/10
9:30 am-10:35 am
Nonstop1h 05m
Portland
Mon 7/20
3:30 pm-4:38 pm
Nonstop1h 08m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Tue 6/23
10:50 pm-11:54 pm
Nonstop1h 04m
Portland
Sat 6/27
3:25 pm-4:40 pm
Nonstop1h 15m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Fri 7/17
8:59 pm-10:00 pm
Nonstop1h 01m
Portland
Sun 7/19
5:30 am-6:35 am
Nonstop1h 05m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Thu 7/30
4:00 pm-5:06 pm
Nonstop1h 06m
Portland
Sun 8/2
7:05 am-8:15 am
Nonstop1h 10m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Mon 6/15
7:30 am-8:39 am
Nonstop1h 09m
Portland
Thu 6/25
9:30 am-10:55 am
Nonstop1h 25m
$257
SeattlePortland
SEA - PDX
SEAPDX
Seattle/Tacoma Intl
Tue 6/16
6:55 pm-8:02 pm
Nonstop1h 07m
Portland
Mon 6/22
8:42 pm-10:00 pm
Nonstop1h 18m
$257
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Portland in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Seattle with our price prediction graph.
SEA-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Portland
Prices
Airlines
What is the cheapest month to book a flight from Seattle to Portland?
Currently, January is the cheapest month in which you can book a flight from Seattle to Portland (average of $99). Flying from Seattle to Portland in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to PDX?
Find hourly flight availability from Seattle to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 22, 2026.
It’s typically best to fly out from Seattle to Portland in the morning. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Seattle to Portland?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Portland. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Seattle to Portland flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Seattle to Portland flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Portland trip
Our travel experts
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated May 22, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Seattle to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Portland flight routes
Alternative routes for Seattle to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Portland by cabin class
Find flights from Seattle to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Portland flights
Browse other Seattle and Portland flight options. Last updated on May 22, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Top 4 airlines flying from Seattle to Portland
Discover the top 4 airlines that operate flights from Seattle to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$166 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$217 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$98 | Average$157 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$249 | Average$558 | FlexibilityNo cancel fee | On-timeN/A |