$120+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PWM
Jul 15 — Jul 221
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
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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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/95:30 am
SEA
- PWM
1 stop10h 16m
American Airlines
Wed 9/235:24 pm
PWM
- SEA
1 stop9h 47m
American Airlines
Deal found 6/11![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 6/11. 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 9/910:30 pm
SEA
- PWM
1 stop8h 20m
Southwest
Wed 9/231:05 pm
PWM
- SEA
2 stops10h 20m
Southwest
Deal found 6/11![Southwest logo]()
$245
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:24 am
SEA
- PWM
1 stop10h 49m
American Airlines
Tue 10/66:00 am
PWM
- SEA
1 stop8h 40m
American Airlines
Deal found 6/12![American Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/168:24 am
SEA
- PWM
1 stop10h 49m
American Airlines
Fri 9/255:30 am
PWM
- SEA
1 stop9h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 6/10. 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 10/1611:05 pm
SEA
- PWM
1 stop9h 48m
Delta
Tue 10/202:35 pm
PWM
- SEA
1 stop10h 37m
Delta
Deal found 6/10![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/811:56 pm
SEA
- PWM
1 stop10h 16m
American Airlines
Mon 9/215:24 pm
PWM
- SEA
1 stop9h 47m
American Airlines
Deal found 6/11![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/28:20 am
SEA
- PWM
1 stop10h 35m
American Airlines
Mon 10/56:00 am
PWM
- SEA
1 stop8h 40m
American Airlines
Deal found 6/11![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/115:50 am
SEA
- PWM
1 stop13h 58m
American Airlines
Tue 8/257:22 am
PWM
- SEA
1 stop11h 58m
American Airlines
Deal found 6/11![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/45:10 am
SEA
- PWM
1 stop8h 59m
American Airlines
Thu 8/133:06 pm
PWM
- SEA
1 stop10h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 6/10. 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 10/165:00 pm
SEA
- PWM
2 stops13h 55m
Southwest
Tue 10/207:30 am
PWM
- SEA
1 stop8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$368
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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:40 am
SEA
- PWM
2 stops11h 30m
Southwest
Tue 10/65:50 am
PWM
- SEA
2 stops12h 55m
Southwest
Deal found 6/14![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 6/10. 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 8/1911:30 am
SEA
- PWM
1 stop10h 29m
Delta
Fri 8/212:53 pm
PWM
- SEA
1 stop11h 27m
Delta
Deal found 6/10![Delta logo]()
$431
This JetBlue deal was found by Cheapflights users on 6/11. 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 7/1110:10 pm
SEA
- PWM
1 stop11h 20m
JetBlue
Sat 7/182:40 pm
PWM
- SEA
1 stop9h 17m
JetBlue
Deal found 6/11![JetBlue logo]()
$539
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:15 am
SEA
- PWM
2 stops12h 50m
Southwest
Thu 10/156:30 am
PWM
- SEA
1 stop9h 40m
Southwest
Deal found 6/12![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:30 pm
SEA
- PWM
1 stop8h 20m
Southwest
Mon 8/245:55 am
PWM
- SEA
2 stops10h 20m
Southwest
Deal found 6/12![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 6/10. 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 8/1911:30 am
SEA
- PWM
1 stop10h 29m
Delta
Sat 8/226:10 am
PWM
- SEA
2 stops16h 31m
Delta
Deal found 6/10![Delta logo]()
$492
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 pm
SEA
- PWM
2 stops12h 30m
Southwest
Fri 11/2011:10 am
PWM
- SEA
2 stops12h 00m
Southwest
Deal found 6/12![Southwest logo]()
$436
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:25 pm
SEA
- PWM
2 stops11h 25m
Southwest
Tue 8/115:45 am
PWM
- SEA
2 stops12h 15m
Southwest
Deal found 6/12![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 6/10. 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 pm
SEA
- PWM
1 stop8h 20m
Southwest
Sun 8/236:10 am
PWM
- SEA
2 stops11h 50m
Southwest
Deal found 6/10![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 pm
SEA
- PWM
1 stop8h 20m
Southwest
Sun 9/136:10 am
PWM
- SEA
1 stop11h 30m
Southwest
Deal found 6/12![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:15 am
SEA
- PWM
1 stop13h 15m
Southwest
Tue 8/115:45 am
PWM
- SEA
2 stops12h 15m
Southwest
Deal found 6/12![Southwest logo]()
$481
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
SEA
- PWM
1 stop9h 52m
American Airlines
Tue 7/147:24 pm
PWM
- SEA
1 stop8h 28m
American Airlines
Deal found 6/14![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:47 am
SEA
- PWM
1 stop8h 49m
American Airlines
Wed 7/155:32 pm
PWM
- SEA
1 stop10h 25m
American Airlines
Deal found 6/12![American Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 6/10. 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 7/89:25 pm
SEA
- PWM
1 stop9h 20m
Southwest
Wed 7/155:30 am
PWM
- SEA
2 stops11h 55m
Southwest
Deal found 6/10![Southwest logo]()
$468
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SEA
- PWM
1 stop9h 52m
American Airlines
Mon 7/207:34 pm
PWM
- SEA
1 stop8h 25m
American Airlines
Deal found 6/14![American Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
SEA
- PWM
1 stop7h 51m
United Airlines
Wed 7/295:00 pm
PWM
- SEA
1 stop9h 16m
United Airlines
Deal found 6/14![United Airlines logo]()
$476
This Priceline deal was found by Cheapflights users on 6/10. 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 7/2810:19 pm
SEA
- PWM
1 stop12h 26m
JetBlue
Tue 8/251:17 pm
PWM
- SEA
1 stop10h 47m
JetBlue
Deal found 6/10![JetBlue logo]()
$411
This Southwest deal was found by Cheapflights users on 6/10. 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 7/287:35 am
SEA
- PWM
2 stops11h 00m
Southwest
Tue 8/255:45 am
PWM
- SEA
1 stop10h 15m
Southwest
Deal found 6/10![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:56 pm
SEA
- PWM
2 stops9h 39m
American Airlines
Tue 8/42:56 pm
PWM
- SEA
1 stop11h 00m
American Airlines
Deal found 6/14![American Airlines logo]()
$434
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 June 15, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 9/110:30 pm
SEA
- PWM
1 stop8h 25m
Southwest
Deal found 6/10![Southwest logo]()
$120
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:30 pm
SEA
- PWM
1 stop8h 20m
Southwest
Deal found 6/14![Southwest logo]()
$183
This Delta deal was found by Cheapflights users on 6/11. 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 9/2411:59 pm
SEA
- PWM
1 stop7h 46m
Delta
Deal found 6/11![Delta logo]()
$189
This Southwest deal was found by Cheapflights users on 6/10. 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 9/167:30 pm
SEA
- PWM
2 stops11h 20m
Southwest
Deal found 6/10![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
SEA
- PWM
2 stops12h 25m
Southwest
Deal found 6/12![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 6/11. 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 9/247:25 pm
SEA
- PWM
2 stops11h 25m
Southwest
Deal found 6/11![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am
SEA
- PWM
2 stops11h 24m
United Airlines
Deal found 6/12![United Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
SEA
- PWM
1 stop7h 51m
United Airlines
Deal found 6/13![United Airlines logo]()
$252
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (American Airlines) |
One-way from | $120 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $553 |
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 June 15, 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
Wed 9/30
6:40 am-9:10 pm
2 stops11h 30m
Portland
Tue 10/6
5:50 am-3:45 pm
2 stops12h 55m
$375
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Fri 10/2
12:15 am-4:05 pm
2 stops12h 50m
Portland
Thu 10/15
6:30 am-1:10 pm
1 stop9h 40m
$405
Quickest round-trip
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 8/20
10:30 pm-9:50 am
1 stop8h 20m
Portland
Mon 8/24
5:55 am-1:15 pm
2 stops10h 20m
$415
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Wed 8/19
11:30 am-12:59 am
1 stop10h 29m
Portland
Fri 8/21
2:53 pm-11:20 pm
1 stop11h 27m
$431
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Wed 11/18
6:25 pm-9:55 am
2 stops12h 30m
Portland
Fri 11/20
11:10 am-8:10 pm
2 stops12h 00m
$436
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 8/6
7:25 pm-9:50 am
2 stops11h 25m
Portland
Tue 8/11
5:45 am-3:00 pm
2 stops12h 15m
$466
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 8/20
10:30 pm-9:50 am
1 stop8h 20m
Portland
Sun 8/23
6:10 am-3:00 pm
2 stops11h 50m
$475
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Thu 9/10
10:30 pm-9:50 am
1 stop8h 20m
Portland
Sun 9/13
6:10 am-2:40 pm
1 stop11h 30m
$475
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Fri 8/7
5:15 am-9:30 pm
1 stop13h 15m
Portland
Tue 8/11
5:45 am-3:00 pm
2 stops12h 15m
$481
SeattlePortland
SEA - PWM
SEAPWM
Seattle/Tacoma Intl
Wed 8/19
11:30 am-12:59 am
1 stop10h 29m
Portland
Sat 8/22
6:10 am-7:41 pm
2 stops16h 31m
$492
Showing 1-10 of 18 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 June.
| 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 June 15, 2026.
Read through reviews of airlines operating flights from Seattle to Portland, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
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Seattle and Portland flights
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Top 5 airlines flying from Seattle to Portland
Discover the top 5 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$221 | Average$517 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$500 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$501 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$387 | Average$621 | FlexibilityNo cancel fee | On-time63% |