$163+ Cheap flights from Portland, ME to Seattle (PWM - SEA)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Jul 20 — Jul 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Seattle 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 Portland to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to SeattleExplore the most affordable flight options available from Portland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Portland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This Delta deal was found by Cheapflights users on 6/17. 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 9/14:47 pm
PWM
- SEA
1 stop8h 18m
Delta
Sat 9/1211:59 pm
SEA
- PWM
1 stop9h 23m
Delta
Deal found 6/17![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 am
PWM
- SEA
2 stops12h 15m
Southwest
Wed 8/2610:30 pm
SEA
- PWM
1 stop8h 20m
Southwest
Deal found 6/17![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 11/264:50 pm
PWM
- SEA
1 stop8h 15m
Delta
Sat 12/59:55 pm
SEA
- PWM
1 stop8h 35m
Delta
Deal found 6/19![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:45 am
PWM
- SEA
1 stop10h 15m
Southwest
Mon 9/217:25 pm
SEA
- PWM
2 stops11h 30m
Southwest
Deal found 6/16![Southwest logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:06 pm
PWM
- SEA
1 stop10h 50m
American Airlines
Mon 8/175:00 am
SEA
- PWM
1 stop10h 52m
American Airlines
Deal found 6/15![American Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 11/1612:50 pm
PWM
- SEA
1 stop8h 48m
Delta
Sat 11/2111:05 pm
SEA
- PWM
1 stop9h 48m
Delta
Deal found 6/16![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:50 pm
PWM
- SEA
2 stops11h 35m
Southwest
Sat 9/511:00 pm
SEA
- PWM
1 stop13h 30m
Southwest
Deal found 6/17![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:40 pm
PWM
- SEA
1 stop8h 15m
Southwest
Thu 9/1011:00 pm
SEA
- PWM
2 stops10h 25m
Southwest
Deal found 6/18![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:50 pm
PWM
- SEA
2 stops11h 45m
Southwest
Mon 8/247:25 pm
SEA
- PWM
2 stops11h 30m
Southwest
Deal found 6/16![Southwest logo]()
$388
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 am
PWM
- SEA
2 stops10h 50m
Southwest
Mon 9/287:00 am
SEA
- PWM
2 stops12h 25m
Southwest
Deal found 6/16![Southwest logo]()
$391
Best flights from Portland to SeattleDiscover carefully curated flight deals from Portland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Portland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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.
Tue 9/14:47 pm
PWM
- SEA
1 stop8h 18m
Delta
Sat 9/1211:59 pm
SEA
- PWM
1 stop9h 23m
Delta
Deal found 6/19![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:40 pm
PWM
- SEA
1 stop8h 15m
Southwest
Sat 9/2611:05 pm
SEA
- PWM
2 stops10h 40m
Southwest
Deal found 6/18![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:08 pm
PWM
- SEA
1 stop8h 45m
United Airlines
Wed 10/285:00 am
SEA
- PWM
1 stop8h 02m
United Airlines
Deal found 6/19![United Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 am
PWM
- SEA
2 stops10h 50m
Southwest
Mon 9/2810:30 pm
SEA
- PWM
1 stop8h 25m
Southwest
Deal found 6/16![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:30 am
PWM
- SEA
2 stops10h 05m
Southwest
Sat 8/2911:05 pm
SEA
- PWM
2 stops10h 40m
Southwest
Deal found 6/16![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
PWM
- SEA
1 stop11h 28m
United Airlines
Sun 9/136:15 pm
SEA
- PWM
2 stops11h 53m
United Airlines
Deal found 6/15![United Airlines logo]()
$504
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 am
PWM
- SEA
2 stops12h 15m
Southwest
Mon 8/177:25 pm
SEA
- PWM
2 stops11h 30m
Southwest
Deal found 6/18![Southwest logo]()
$484
Last-minute flights from Portland to SeattleDiscover last-minute flight deals from Portland to Seattle. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seattle. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/16. 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 6/204:45 pm
PWM
- SEA
1 stop8h 49m
Delta
Tue 6/3011:59 pm
SEA
- PWM
1 stop7h 44m
Delta
Deal found 6/16![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 6/18. 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 7/111:48 am
PWM
- SEA
1 stop8h 12m
Delta
Wed 7/811:59 pm
SEA
- PWM
1 stop7h 43m
Delta
Deal found 6/18![Delta logo]()
$516
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/34:45 pm
PWM
- SEA
1 stop8h 49m
Delta
Wed 7/811:59 pm
SEA
- PWM
1 stop7h 43m
Delta
Deal found 6/16![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
PWM
- SEA
1 stop8h 57m
United Airlines
Wed 7/221:00 pm
SEA
- PWM
1 stop7h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$514
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:40 pm
PWM
- SEA
1 stop13h 06m
Multiple Airlines
Mon 7/1310:19 pm
SEA
- PWM
1 stop11h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:24 pm
PWM
- SEA
1 stop8h 28m
American Airlines
Tue 7/215:05 am
SEA
- PWM
1 stop8h 36m
American Airlines
Deal found 6/16![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:32 pm
PWM
- SEA
1 stop10h 25m
American Airlines
Wed 7/225:10 am
SEA
- PWM
1 stop8h 59m
American Airlines
Deal found 6/15![American Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:35 am
PWM
- SEA
2 stops11h 20m
Southwest
Mon 7/207:30 pm
SEA
- PWM
2 stops11h 25m
Southwest
Deal found 6/19![Southwest logo]()
$543
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:35 am
PWM
- SEA
2 stops11h 20m
Southwest
Mon 8/37:30 pm
SEA
- PWM
2 stops11h 25m
Southwest
Deal found 6/17![Southwest logo]()
$502
One-way flights from Portland to SeattleSearch for one-way flight options from Portland to Seattle. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Portland to Seattle. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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 9/54:47 pm
PWM
- SEA
1 stop8h 18m
Delta
Deal found 6/16![Delta logo]()
$163
This JetBlue deal was found by Cheapflights users on 6/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:40 pm
PWM
- SEA
1 stop9h 24m
JetBlue
Deal found 6/18![JetBlue logo]()
$168
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:30 am
PWM
- SEA
1 stop9h 16m
American Airlines
Deal found 6/20![American Airlines logo]()
$183
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:50 pm
PWM
- SEA
2 stops11h 45m
Southwest
Deal found 6/17![Southwest logo]()
$188
This Delta deal was found by Cheapflights users on 6/17. 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.
Thu 9/172:35 pm
PWM
- SEA
1 stop11h 35m
Delta
Deal found 6/17![Delta logo]()
$191
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:05 pm
PWM
- SEA
2 stops10h 40m
Southwest
Deal found 6/17![Southwest logo]()
$196
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:30 am
PWM
- SEA
2 stops13h 25m
Southwest
Deal found 6/16![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:30 am
PWM
- SEA
1 stop11h 44m
United Airlines
Deal found 6/19![United Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:03 pm
PWM
- SEA
1 stop8h 40m
United Airlines
Deal found 6/17![United Airlines logo]()
$227
Find flight deals from Portland to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Seattle (SEA). 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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $365 (Delta) |
One-way from | $163 (Delta) |
Popular in | June |
Cheapest in | November |
Average price | $681 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Seattle 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 June 20, 2026.
Use the filters below to find and compare flights from Portland to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Tue 9/1
4:47 pm-10:05 pm
1 stop8h 18m
Seattle/Tacoma Intl
Sat 9/12
11:59 pm-12:22 pm
1 stop9h 23m
$365
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Sat 9/19
3:40 pm-8:55 pm
1 stop8h 15m
Seattle/Tacoma Intl
Sat 9/26
11:05 pm-12:45 pm
2 stops10h 40m
$370
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Thu 9/24
10:30 am-6:20 pm
2 stops10h 50m
Seattle/Tacoma Intl
Mon 9/28
10:30 pm-9:55 am
1 stop8h 25m
$386
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Thu 8/20
10:30 am-5:35 pm
2 stops10h 05m
Seattle/Tacoma Intl
Sat 8/29
11:05 pm-12:45 pm
2 stops10h 40m
$446
Quickest round-trip
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Tue 10/27
5:08 pm-10:53 pm
1 stop8h 45m
Seattle/Tacoma Intl
Wed 10/28
5:00 am-4:02 pm
1 stop8h 02m
$475
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Tue 8/11
5:45 am-3:00 pm
2 stops12h 15m
Seattle/Tacoma Intl
Mon 8/17
7:25 pm-9:55 am
2 stops11h 30m
$484
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Sat 9/5
6:00 am-2:28 pm
1 stop11h 28m
Seattle/Tacoma Intl
Sun 9/13
6:15 pm-9:08 am
2 stops11h 53m
$504
Cheapest one-way
Quickest one-way
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Sat 8/29
2:40 pm-9:04 pm
1 stop9h 24m
$173
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Wed 11/4
6:00 am-2:50 pm
1 stop11h 50m
$183
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Thu 9/10
4:20 pm-11:10 pm
1 stop9h 50m
$191
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Portland to Seattle
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 Portland to Seattle in June.
| 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 Portland, Maine-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Seattle 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 Portland, Maine-Seattle 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 Portland to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Portland with our price prediction graph.
PWM-SEA
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 Portland to Seattle
How far ahead should I book a flight from Portland, Maine to Seattle?
The price you pay for your flight from Portland, Maine to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 1 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland, Maine to Seattle?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Seattle (average of $375). Flying from Portland, Maine to Seattle in June is currently the most expensive (average of $681). 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.
How much does it cost to fly round-trip from Portland, Maine to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 20, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Portland to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Portland to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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 Portland
Popular flights
Seattle flight routes
Alternative routes for Portland to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Seattle by cabin class
Find flights from Portland to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Seattle flights
Browse other Portland and Seattle flight options. Last updated on June 20, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Top 6 airlines flying from Portland to Seattle
Discover the top 6 airlines that operate flights from Portland to Seattle. 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$390 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$207 | Average$312 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$405 | Average$534 | FlexibilityNo cancel fee | On-time63% |