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$146+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PWM
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Portland are usually found in January or February, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$261
(JetBlue)

One-way from

$157
(Delta)

Popular in

December

Cheapest in

January

Average price

$620
Provider with most accurate pricing for Seattle/Tacoma Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Portland flights.
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From Seattle/Tacoma Intl to Portland
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One-way flight from Seattle/Tacoma Intl to Portland
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Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Portland

Cheapest flights from Seattle to Portland
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 30, 2025.

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.
Fri 6/1311:10 pmSEA - PWM
1 stop11h 13mJetBlue
Fri 6/202:19 pmPWM - SEA
1 stop8h 39mJetBlue
Deal found 4/28$261
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.
Wed 6/115:55 amSEA - PWM
1 stop7h 20mDelta
Wed 6/186:00 amPWM - SEA
1 stop9h 10mDelta
Deal found 4/28$313
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.
Thu 5/298:00 amSEA - PWM
1 stop8h 17mUnited Airlines
Tue 6/32:05 pmPWM - SEA
1 stop9h 36mUnited Airlines
Deal found 4/28$332
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.
Wed 6/115:32 amSEA - PWM
1 stop9h 11mAmerican Airlines
Wed 6/186:33 pmPWM - SEA
1 stop9h 11mAmerican Airlines
Deal found 4/29$335
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:10 pmSEA - PWM
1 stop11h 00mSouthwest
Sun 8/107:55 pmPWM - SEA
1 stop8h 00mSouthwest
Deal found 4/28$432
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/277:15 pmSEA - PWM
1 stop13h 42mSun Country Air
Sun 6/2912:40 pmPWM - SEA
1 stop22h 22mSun Country Air
Deal found 4/28$470
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:58 pmSEA - PWM
3 stops40h 59mMultiple Airlines
Sun 6/228:56 pmPWM - SEA
3 stops28h 54mMultiple Airlines
Deal found 4/28$515

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 30, 2025.
Use the filters below to find and compare flights from Seattle to Portland that are best for you.

Fly from

Seattle

Fly to

Portland

Route

Depart

Return

Price

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 6/13

11:10 pm-1:23 pm

1 stop11h 13m

Portland

Fri 6/20

2:19 pm-7:58 pm

1 stop8h 39m

$261

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 6/11

5:55 am-4:15 pm

1 stop7h 20m

Portland

Wed 6/18

6:00 am-12:10 pm

1 stop9h 10m

$313

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 5/29

8:00 am-7:17 pm

1 stop8h 17m

Portland

Tue 6/3

2:05 pm-8:41 pm

1 stop9h 36m

$332

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 6/11

5:32 am-5:43 pm

1 stop9h 11m

Portland

Wed 6/18

6:33 pm-12:44 am

1 stop9h 11m

$335

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 6/13

6:30 pm-10:20 am

2 stops12h 50m

Portland

Fri 6/20

3:40 pm-12:25 am

2 stops11h 45m

$469

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 6/27

7:15 pm-11:57 am

1 stop13h 42m

Portland

Sun 6/29

12:40 pm-8:02 am

1 stop22h 22m

$470

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 6/12

3:58 pm-11:57 am

3 stops40h 59m

Portland

Sun 6/22

8:56 pm-10:50 pm

3 stops28h 54m

$515

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 7/3

11:10 pm-1:23 pm

1 stop11h 13m

$146

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 7/22

10:46 pm-9:24 am

1 stop7h 38m

$157

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 7/3

9:43 am-12:26 am

2 stops11h 43m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 eDreams the most. eDreams 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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Portland. Price data was last updated on April 25, 2025.

The best time to book flights from Seattle to Portland, Maine is 90 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 $296). Flying from Seattle to Portland, Maine in May is currently the most expensive (average of $405). 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 PWM?

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 April 30, 2025.

One of the essential ways to save on airfare from Seattle to Portland, Maine is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 30, 2025.
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,936 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • What are the cheapest airlines flying from Seattle to Portland, Maine round-trip?

    Our cheapest airline available from Seattle to Portland, Maine is JetBlue. Our recent data shows that you can find tickets from as low as $261 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $313 and $318 round-trip. JetBlue is 52% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Portland, Maine one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $157. However, be on the lookout for offers from JetBlue and Sun Country Air, as they are both options that can get you from Seattle to Portland, Maine for a low price.

  • Can I find deals for flights from Seattle to Portland that include hotel bookings?

    Yes. In addition to deals on Seattle to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Portland.

  • Can I find deals for business class flights from Seattle to Portland?

    Yes. Cheapflights offers flight deals from Seattle to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $296). Flying from Seattle to Portland, Maine in May is currently the most expensive (average of $405). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Top 7 airlines flying from Seattle to Portland

Discover the top 7 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$229Average$373FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$517FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$288Average$375FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$318Average$781FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$330Average$584FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$544FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$411Average$492FlexibilityNo cancel feeOn-time63%

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