$80+ Cheap flights from Seattle to Portland (SEA - PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
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Best
Last-minute
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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 September 17, 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 September 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/11:30 pm -
Nonstop1h 00m
Sun 10/49:31 am -
Nonstop1h 08m
Deal found 9/16![Alaska Airlines logo]()
$80
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/318:59 pm -
Nonstop0h 57m
Sat 11/72:10 pm -
Nonstop0h 58m
Deal found 9/15![Alaska Airlines logo]()
$231
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/289:59 pm -
Nonstop1h 03m
Wed 11/49:59 pm -
Nonstop1h 01m
Deal found 9/13![Alaska Airlines logo]()
$232
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/219:59 pm -
Nonstop1h 03m
Wed 10/283:48 pm -
Nonstop1h 01m
Deal found 9/14![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 9/16. 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 10/249:36 am -
Nonstop1h 09m
Tue 10/273:31 pm -
Nonstop1h 14m
Deal found 9/16![Delta logo]()
$237
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:40 am -
Nonstop1h 07m
Sun 11/18:08 am -
Nonstop1h 00m
Deal found 9/15![Alaska Airlines logo]()
$241
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/178:40 am -
Nonstop1h 07m
Sun 10/188:09 am -
Nonstop1h 01m
Deal found 9/14![Alaska Airlines logo]()
$244
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:59 pm -
Nonstop0h 57m
Mon 1/118:30 am -
Nonstop1h 03m
Deal found 9/14![Alaska Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/248:40 am -
Nonstop1h 07m
Tue 10/278:08 pm -
1 stop11h 18m
Deal found 9/16![Alaska Airlines logo]()
$250
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Mon 11/28:59 pm -
Nonstop0h 56m
Mon 11/165:05 am -
Nonstop0h 55m
Deal found 9/13![Alaska Airlines logo]()
$252
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 September 17, 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 September 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/249:59 pm -
Nonstop1h 03m
Wed 10/289:31 am -
Nonstop1h 08m
Deal found 9/16![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 9/14. 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 10/1710:37 am -
Nonstop1h 12m
Sun 10/185:30 am -
Nonstop1h 15m
Deal found 9/14![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/2412:13 pm -
Nonstop1h 11m
Tue 10/278:08 pm -
1 stop14h 54m
Deal found 9/16![Alaska Airlines logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/233:58 pm -
1 stop14h 22m
Sat 10/249:31 am -
Nonstop1h 08m
Deal found 9/17![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/14. 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 10/98:55 pm -
Nonstop1h 01m
Wed 10/148:44 pm -
Nonstop1h 16m
Deal found 9/14![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 10/289:59 pm -
Nonstop1h 03m
Wed 11/42:45 pm -
1 stop7h 15m
Deal found 9/13![Alaska Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 9/14. 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 10/121:45 pm -
Nonstop1h 06m
Mon 10/1911:25 am -
Nonstop1h 17m
Deal found 9/14![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/13. 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 10/217:32 am -
Nonstop1h 14m
Thu 10/228:44 pm -
Nonstop1h 16m
Deal found 9/13![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/179:29 pm -
1 stop8h 51m
Sun 10/189:31 am -
Nonstop1h 08m
Deal found 9/14![Alaska Airlines logo]()
$282
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:59 pm -
Nonstop1h 03m
Fri 10/308:09 am -
Nonstop1h 01m
Deal found 9/12![Alaska Airlines logo]()
$307
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated September 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/11:30 pm -
Nonstop1h 00m
Sun 10/49:31 am -
Nonstop1h 08m
Deal found 9/16![Alaska Airlines logo]()
$80
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:59 pm -
Nonstop0h 57m
Mon 1/118:30 am -
Nonstop1h 03m
Deal found 9/14![Alaska Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 9/16. 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 10/157:32 am -
Nonstop1h 14m
Thu 10/228:44 pm -
Nonstop1h 16m
Deal found 9/16![Delta logo]()
$257
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/178:40 am -
Nonstop1h 07m
Sun 10/188:09 am -
Nonstop1h 01m
Deal found 9/14![Alaska Airlines logo]()
$244
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/219:59 pm -
Nonstop1h 03m
Wed 10/283:48 pm -
Nonstop1h 01m
Deal found 9/14![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 9/16. 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 10/249:36 am -
Nonstop1h 09m
Tue 10/273:31 pm -
Nonstop1h 14m
Deal found 9/16![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/248:40 am -
Nonstop1h 07m
Tue 10/278:08 pm -
1 stop11h 18m
Deal found 9/16![Alaska Airlines logo]()
$250
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:40 am -
Nonstop1h 07m
Sun 11/18:08 am -
Nonstop1h 00m
Deal found 9/15![Alaska Airlines logo]()
$241
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/289:59 pm -
Nonstop1h 03m
Wed 11/49:59 pm -
Nonstop1h 01m
Deal found 9/13![Alaska Airlines logo]()
$232
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/318:59 pm -
Nonstop0h 57m
Sat 11/72:10 pm -
Nonstop0h 58m
Deal found 9/15![Alaska Airlines logo]()
$231
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 September 17, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:27 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 11/118:09 pm -
1 stop14h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$136
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/308:48 pm -
1 stop12h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/248:00 pm -
1 stop14h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/148:00 pm -
1 stop14h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$144
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:59 pm -
Nonstop0h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Wed 10/288:09 pm -
1 stop14h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$147
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:20 am -
Nonstop1h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Alaska Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 9/16. 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 11/147:20 am -
Nonstop1h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$149
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:45 pm -
Nonstop1h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/164:27 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$151
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $80 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $262 |
Good round-trip deal | $347 or less |
Good one-way deal | $131 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 7,457,451 searches. Data last updated September 17, 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 Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 10/30
8:48 pm-9:23 am
1 stop12h 35m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 10/28
8:09 pm-10:11 am
1 stop14h 02m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Tue 10/27
7:32 am-8:46 am
Nonstop1h 14m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 10/21
6:55 pm-8:00 pm
Nonstop1h 05m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Tue 10/27
3:44 pm-8:50 pm
1 stop5h 06m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Tue 3/16
7:55 pm-9:37 am
1 stop13h 42m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$157
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Mon 10/19
9:36 am-10:45 am
Nonstop1h 09m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sun 12/13
12:25 pm-1:28 pm
Nonstop1h 03m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
Quickest round-trip
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 11/12
8:59 pm-9:55 pm
Nonstop0h 56m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 1/20
4:35 pm-9:40 pm
1 stop5h 05m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
Showing 1-10 of 22 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 June is currently the most expensive (average of $406). 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 September 17, 2026.
It’s typically best to fly out from Seattle to Portland in the morning. Doing so could potentially save you 11% 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 September 12, 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 afternoons 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 September 17, 2026.
See what other customers who have flown with Alaska Airlines and Delta 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.
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
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
Lincoln City
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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Top 3 airlines flying from Seattle to Portland
Discover the top 3 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$234 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$425 | FlexibilityNo cancel fee | On-timeN/A |