$116+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Trip.com deal was found by Cheapflights users on 10/28. 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 12/122:25 pm -
Nonstop0h 56m
Sat 12/198:21 am -
Nonstop1h 03m
Deal found 10/28![Alaska Airlines logo]()
$212
This Trip.com deal was found by Cheapflights users on 10/25. 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 11/247:23 am -
Nonstop0h 57m
Sat 11/285:30 am -
Nonstop1h 01m
Deal found 10/25![Alaska Airlines logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/57:38 am -
Nonstop0h 57m
Tue 12/88:30 am -
Nonstop1h 03m
Deal found 10/29![Alaska Airlines logo]()
$217
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
Nonstop0h 55m
Wed 12/211:35 am -
1 stop10h 32m
Deal found 10/26![Alaska Airlines logo]()
$219
This Travelocity deal was found by Cheapflights users on 10/28. 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.
Tue 12/810:30 am -
1 stop10h 12m
Sat 12/1211:35 am -
1 stop10h 32m
Deal found 10/28![Alaska Airlines logo]()
$221
This Delta deal was found by Cheapflights users on 10/29. 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 11/285:48 pm -
Nonstop1h 07m
Sun 11/295:51 pm -
Nonstop1h 14m
Deal found 10/29![Delta logo]()
$227
This Expedia deal was found by Cheapflights users on 10/26. 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.
Tue 11/179:55 am -
1 stop10h 53m
Thu 11/1910:30 am -
1 stop10h 29m
Deal found 10/26![Alaska Airlines logo]()
$228
This Trip.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/107:20 am -
1 stop6h 30m
Thu 12/179:45 pm -
Nonstop1h 12m
Deal found 10/26![Alaska Airlines logo]()
$229
This Trip.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/274:27 pm -
Nonstop0h 56m
Fri 12/47:30 am -
Nonstop1h 05m
Deal found 10/28![Alaska Airlines logo]()
$233
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 October 30, 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 October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/57:38 am -
Nonstop0h 57m
Tue 12/88:30 am -
Nonstop1h 03m
Deal found 10/27![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 10/28. 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 11/287:20 am -
Nonstop1h 16m
Sun 11/297:00 am -
Nonstop1h 18m
Deal found 10/28![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/248:31 am -
Nonstop1h 01m
Thu 12/242:31 pm -
1 stop2h 53m
Deal found 10/27![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 10/28. 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 11/217:20 am -
Nonstop1h 16m
Sat 11/287:00 am -
Nonstop1h 18m
Deal found 10/28![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 10/29. 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 11/277:35 pm -
Nonstop1h 09m
Fri 12/47:38 pm -
Nonstop1h 14m
Deal found 10/29![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/257:56 pm -
Nonstop0h 55m
Wed 12/22:32 pm -
1 stop4h 57m
Deal found 10/28![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 10/25. 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 11/229:40 am -
Nonstop1h 12m
Sun 11/297:00 am -
Nonstop1h 18m
Deal found 10/25![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 11/274:27 pm -
Nonstop0h 56m
Fri 12/49:33 pm -
1 stop11h 43m
Deal found 10/29![Alaska Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 10/29. 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 11/217:20 am -
Nonstop1h 16m
Mon 11/307:35 pm -
Nonstop1h 15m
Deal found 10/29![Delta logo]()
$302
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated October 30, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/26. 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.
Tue 11/179:55 am -
1 stop10h 53m
Thu 11/1910:30 am -
1 stop10h 29m
Deal found 10/26![Alaska Airlines logo]()
$228
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:33 am -
1 stop4h 29m
Thu 11/193:04 pm -
1 stop6h 25m
Deal found 10/26![Alaska Airlines logo]()
$243
This Trip.com deal was found by Cheapflights users on 10/25. 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 11/247:23 am -
Nonstop0h 57m
Sat 11/285:30 am -
Nonstop1h 01m
Deal found 10/25![Alaska Airlines logo]()
$215
This Priceline deal was found by Cheapflights users on 10/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:40 am -
Nonstop1h 03m
Tue 12/17:30 am -
Nonstop1h 05m
Deal found 10/25![Alaska Airlines logo]()
$217
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
Nonstop0h 55m
Wed 12/211:35 am -
1 stop10h 32m
Deal found 10/26![Alaska Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 10/26. 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 11/267:20 am -
Nonstop1h 16m
Fri 11/275:51 pm -
Nonstop1h 14m
Deal found 10/26![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/2611:35 am -
1 stop18h 41m
Fri 11/278:22 am -
Nonstop1h 01m
Deal found 10/26![Alaska Airlines logo]()
$247
This Trip.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/274:27 pm -
Nonstop0h 56m
Fri 12/47:30 am -
Nonstop1h 05m
Deal found 10/28![Alaska Airlines logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/278:40 am -
Nonstop1h 03m
Tue 12/18:37 pm -
1 stop13h 44m
Deal found 10/28![Alaska Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 10/29. 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 11/285:48 pm -
Nonstop1h 07m
Sun 11/295:51 pm -
Nonstop1h 14m
Deal found 10/29![Delta logo]()
$227
This deal was found by Cheapflights users on 10/27. 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.
Sat 11/287:23 am -
Nonstop0h 57m
Tue 12/15:23 am -
Nonstop0h 57m
Deal found 10/27![Alaska Airlines logo]()
$257
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 October 30, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/38:43 pm -
1 stop13h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$116
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/58:44 am -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$118
This Expedia deal was found by Cheapflights users on 10/26. 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.
Thu 12/107:20 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$122
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/19:15 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$123
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 1/88:44 pm -
1 stop12h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$127
This Travelocity deal was found by Cheapflights users on 10/26. 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 11/259:59 pm -
Nonstop0h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$139
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:55 pm -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/68:51 pm -
1 stop12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$147
This Travelocity deal was found by Cheapflights users on 10/27. 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.
Thu 11/267:23 am -
Nonstop0h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/207:04 am -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$163
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:32 pm -
2 stops22h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$164
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:53 pm -
2 stops23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$167
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Trip.com) |
One-way from | $116 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $318 |
Good round-trip deal | $302 or less |
Good one-way deal | $219 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 October 30, 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
Wed 12/9
8:43 pm-9:50 am
1 stop13h 07m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 11/28
7:20 am-8:36 am
Nonstop1h 16m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Tue 12/8
5:52 pm-6:58 pm
Nonstop1h 06m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Quickest round-trip
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 3/6
9:55 am-10:50 am
Nonstop0h 55m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sun 12/6
8:51 pm-9:27 am
1 stop12h 36m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 1/8
9:05 am-10:16 am
Nonstop1h 11m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 12/10
7:38 am-8:35 am
Nonstop0h 57m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Mon 12/28
7:59 am-9:07 am
Nonstop1h 08m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 2/12
9:40 pm-1:50 pm
1 stop16h 10m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$177
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Mon 11/23
4:17 pm-11:58 pm
1 stop7h 41m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$212
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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 October 30, 2026.
It’s typically best to fly out from Seattle to Portland in the morning. Doing so could potentially save you 10% 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 October 24, 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. Thursday 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 October 30, 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.
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
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
Durham
Cannon Beach
Longview
Lake Oswego
Lincoln City
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
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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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$273 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$259 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$318 | FlexibilityNo cancel fee | On-timeN/A |