$161+ Cheap flights from Seattle to Portland, ME (SEA - PWM)
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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PWM
May 29 — Jun 51
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 April 29, 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 April 29, 2026.
This SmartFares deal was found by Cheapflights users on 4/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:52 pm
SEA
- PWM
1 stop10h 43m
JetBlue
Tue 6/161:25 pm
PWM
- SEA
1 stop10h 43m
JetBlue
Deal found 4/26![JetBlue logo]()
$304
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 5/245:30 am
SEA
- PWM
2 stops14h 35m
Delta
Thu 5/282:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$326
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:52 pm
SEA
- PWM
1 stop10h 43m
JetBlue
Fri 5/292:36 pm
PWM
- SEA
1 stop9h 20m
JetBlue
Deal found 4/28![JetBlue logo]()
$335
This Delta deal was found by Cheapflights users on 4/28. 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 5/2311:05 pm
SEA
- PWM
1 stop9h 50m
Delta
Fri 5/292:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:27 am
SEA
- PWM
1 stop11h 08m
American Airlines
Wed 5/272:24 pm
PWM
- SEA
1 stop11h 35m
American Airlines
Deal found 4/28![American Airlines logo]()
$366
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:52 pm
SEA
- PWM
1 stop10h 43m
JetBlue
Wed 6/102:37 pm
PWM
- SEA
1 stop9h 19m
JetBlue
Deal found 4/29![JetBlue logo]()
$368
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:46 pm
SEA
- PWM
1 stop8h 05m
American Airlines
Sun 5/316:00 am
PWM
- SEA
1 stop8h 46m
American Airlines
Deal found 4/29![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:00 pm
SEA
- PWM
1 stop9h 46m
Delta
Sat 5/92:38 pm
PWM
- SEA
1 stop10h 46m
Delta
Deal found 4/27![Delta logo]()
$381
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 April 29, 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 April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:58 pm
SEA
- PWM
1 stop7h 25m
United Airlines
Sat 10/246:00 am
PWM
- SEA
2 stops11h 24m
United Airlines
Deal found 4/26![United Airlines logo]()
$386
This JetBlue deal was found by Cheapflights users on 4/24. 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.
Mon 6/111:39 pm
SEA
- PWM
1 stop10h 56m
JetBlue
Mon 6/82:37 pm
PWM
- SEA
1 stop9h 20m
JetBlue
Deal found 4/24![JetBlue logo]()
$464
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:45 am
SEA
- PWM
2 stops9h 10m
Southwest
Tue 6/163:45 pm
PWM
- SEA
2 stops11h 35m
Southwest
Deal found 4/26![Southwest logo]()
$465
This Delta deal was found by Cheapflights users on 4/25. 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.
Thu 10/811:53 pm
SEA
- PWM
1 stop8h 02m
Delta
Wed 10/143:00 pm
PWM
- SEA
2 stops11h 59m
Delta
Deal found 4/25![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:58 pm
SEA
- PWM
1 stop7h 25m
United Airlines
Sat 10/176:00 am
PWM
- SEA
2 stops11h 24m
United Airlines
Deal found 4/26![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:20 pm
SEA
- PWM
2 stops11h 35m
Southwest
Tue 6/161:05 pm
PWM
- SEA
2 stops10h 05m
Southwest
Deal found 4/26![Southwest logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:00 pm
SEA
- PWM
1 stop7h 51m
United Airlines
Thu 8/65:15 am
PWM
- SEA
1 stop9h 36m
United Airlines
Deal found 4/28![United Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:05 pm
SEA
- PWM
3 stops15h 20m
United Airlines
Wed 6/106:25 pm
PWM
- SEA
1 stop8h 34m
United Airlines
Deal found 4/29![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 pm
SEA
- PWM
2 stops13h 02m
United Airlines
Tue 8/2512:00 pm
PWM
- SEA
2 stops14h 24m
United Airlines
Deal found 4/26![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:25 am
SEA
- PWM
1 stop7h 58m
United Airlines
Sat 5/169:20 am
PWM
- SEA
2 stops17h 09m
United Airlines
Deal found 4/27![United Airlines logo]()
$555
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated April 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:00 pm
SEA
- PWM
1 stop9h 46m
Delta
Sat 5/92:38 pm
PWM
- SEA
1 stop10h 46m
Delta
Deal found 4/27![Delta logo]()
$381
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:34 pm
SEA
- PWM
1 stop7h 52m
American Airlines
Sun 5/106:00 am
PWM
- SEA
1 stop8h 34m
American Airlines
Deal found 4/29![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/28. 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 5/2311:05 pm
SEA
- PWM
1 stop9h 50m
Delta
Fri 5/292:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 4/28. 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 5/2311:05 pm
SEA
- PWM
2 stops10h 33m
Delta
Thu 5/282:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:27 am
SEA
- PWM
1 stop11h 08m
American Airlines
Wed 5/272:24 pm
PWM
- SEA
1 stop11h 35m
American Airlines
Deal found 4/28![American Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 5/245:30 am
SEA
- PWM
2 stops14h 35m
Delta
Thu 5/282:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 5/2411:05 pm
SEA
- PWM
1 stop9h 50m
Delta
Fri 5/292:38 pm
PWM
- SEA
1 stop11h 07m
Delta
Deal found 4/28![Delta logo]()
$360
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:52 pm
SEA
- PWM
1 stop10h 43m
JetBlue
Fri 5/292:36 pm
PWM
- SEA
1 stop9h 20m
JetBlue
Deal found 4/28![JetBlue logo]()
$335
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:46 pm
SEA
- PWM
1 stop8h 05m
American Airlines
Sun 5/316:00 am
PWM
- SEA
1 stop8h 46m
American Airlines
Deal found 4/29![American Airlines logo]()
$371
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 April 29, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:10 am
SEA
- PWM
1 stop10h 36m
American Airlines
Deal found 4/28![American Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/286:00 am
SEA
- PWM
2 stops14h 18m
Delta
Deal found 4/28![Delta logo]()
$166
This JetBlue deal was found by Cheapflights users on 4/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:39 pm
SEA
- PWM
1 stop10h 56m
JetBlue
Deal found 4/27![JetBlue logo]()
$173
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:29 pm
SEA
- PWM
1 stop9h 46m
American Airlines
Deal found 4/28![American Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/810:53 pm
SEA
- PWM
2 stops11h 34m
United Airlines
Deal found 4/24![United Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:40 pm
SEA
- PWM
1 stop8h 11m
American Airlines
Deal found 4/28![American Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/24. 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 6/1311:59 pm
SEA
- PWM
1 stop7h 44m
Delta
Deal found 4/24![Delta logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:20 pm
SEA
- PWM
3 stops40h 56m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:10 am
SEA
- PWM
1 stop9h 00m
American Airlines
Deal found 4/25![American Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:21 am
SEA
- PWM
3 stops49h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$238
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 (PWM). 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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $304 (SmartFares) |
One-way from | $161 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $462 |
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 April 29, 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 - PWM
SEAPWM
Seattle/Tacoma Intl
Mon 10/19
10:58 pm-9:23 am
1 stop7h 25m
Portland
Sat 10/24
6:00 am-2:24 pm
2 stops11h 24m
$386
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Sat 10/3
10:58 pm-9:23 am
1 stop7h 25m
Portland
Sat 10/17
6:00 am-2:24 pm
2 stops11h 24m
$439
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Mon 6/1
11:39 pm-1:35 pm
1 stop10h 56m
Portland
Mon 6/8
2:37 pm-8:57 pm
1 stop9h 20m
$464
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Wed 6/10
10:45 am-10:55 pm
2 stops9h 10m
Portland
Tue 6/16
3:45 pm-12:20 am
2 stops11h 35m
$465
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Mon 6/8
7:20 pm-9:55 am
2 stops11h 35m
Portland
Tue 6/16
1:05 pm-8:10 pm
2 stops10h 05m
$465
Quickest round-trip
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Wed 7/29
1:00 pm-11:51 pm
1 stop7h 51m
Portland
Thu 8/6
5:15 am-11:51 am
1 stop9h 36m
$482
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Tue 6/2
7:05 pm-1:25 pm
3 stops15h 20m
Portland
Wed 6/10
6:25 pm-11:59 pm
1 stop8h 34m
$501
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 8/20
6:00 pm-10:02 am
2 stops13h 02m
Portland
Tue 8/25
12:00 pm-11:24 pm
2 stops14h 24m
$554
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Tue 5/12
7:25 am-6:23 pm
1 stop7h 58m
Portland
Sat 5/16
9:20 am-11:29 pm
2 stops17h 09m
$555
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 10/8
11:53 pm-10:55 am
1 stop8h 02m
Portland
Wed 10/14
3:00 pm-11:59 pm
2 stops11h 59m
$560
Showing 1-10 of 19 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 April.
| 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, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Portland, Maine 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, Maine 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-PWM
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
How far ahead should I book a flight from Seattle to Portland, Maine?
The best time to book flights from Seattle to Portland, Maine is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Portland, Maine?
Currently, January is the cheapest month in which you can book a flight from Seattle to Portland, Maine (average of $308). Flying from Seattle to Portland, Maine in December is currently the most expensive (average of $785). 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 Seattle to Portland, Maine?
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 April 29, 2026.
Read through reviews of airlines operating flights from Seattle to Portland, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 locationsNorth Conway
Brunswick
Lewiston
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Seattle and Portland flights
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Top 6 airlines flying from Seattle to Portland
Discover the top 6 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$221 | Average$514 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$509 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$497 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$320 | Average$778 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$387 | Average$621 | FlexibilityNo cancel fee | On-time63% |