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$112+ Cheap flights from Portland, ME (PWM) to Washington

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Washington

Keep the following information in mind while searching for Portland to Washington flight deals. Data was last updated September 11, 2025.

Round-trip from

$248
(American Airlines)

One-way from

$112
(Southwest)

Popular in

December

Cheapest in

January

Average price

$412
From Portland to Washington
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One-way flight from Portland to Washington
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Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Washington

Cheapest flights from Portland to Washington
Explore the most affordable flight options available from Portland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/256:00 amPWM - SEA
1 stop8h 03mAmerican Airlines
Fri 10/3112:34 amSEA - PWM
1 stop7h 52mAmerican Airlines
Deal found 9/10$248
This Delta deal was found by Cheapflights users on 9/9. 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 10/226:00 amPWM - GEG
1 stop8h 41mDelta
Tue 10/289:45 amGEG - PWM
2 stops9h 34mDelta
Deal found 9/9$254
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amPWM - PDX
2 stops10h 03mUnited Airlines
Sat 10/410:40 amPDX - PWM
1 stop9h 40mUnited Airlines
Deal found 9/10$254
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/26:00 amPWM - SEA
1 stop9h 00mAmerican Airlines
Sun 10/512:34 amSEA - PWM
1 stop7h 54mAmerican Airlines
Deal found 9/10$278
This Delta deal was found by Cheapflights users on 9/9. 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 10/211:45 amPWM - SEA
1 stop7h 44mDelta
Mon 10/611:55 pmSEA - PWM
1 stop7h 41mDelta
Deal found 9/9$279
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/21:35 pmPWM - PDX
1 stop11h 12mDelta
Mon 10/612:40 amPDX - PWM
1 stop6h 56mDelta
Deal found 9/10$280
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/23:56 pmPWM - PDX
2 stops11h 09mAmerican Airlines
Tue 10/75:34 amPDX - PWM
2 stops11h 40mAmerican Airlines
Deal found 9/10$290
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/256:00 amPWM - PDX
2 stops11h 29mAmerican Airlines
Sat 10/2511:58 pmPDX - PWM
1 stop8h 30mAmerican Airlines
Deal found 9/10$302
This JetBlue deal was found by Cheapflights users on 9/11. 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.
Thu 10/22:17 pmPWM - SEA
1 stop11h 07mJetBlue
Mon 10/611:40 pmSEA - PWM
1 stop10h 42mJetBlue
Deal found 9/11$302
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/256:00 amPWM - PDX
2 stops11h 29mAmerican Airlines
Sat 11/15:05 amPDX - PWM
2 stops12h 53mAmerican Airlines
Deal found 9/11$308
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:57 pmPWM - PDX
1 stop8h 33mUnited Airlines
Sat 10/1110:32 pmPDX - PWM
1 stop7h 39mUnited Airlines
Deal found 9/10$313
This lol.travel deal was found by Cheapflights users on 9/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:14 amPWM - PDX
1 stop8h 27mUnited Airlines
Sat 11/15:00 amPDX - PWM
1 stop7h 48mUnited Airlines
Deal found 9/11$331

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Washington 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 September 11, 2025.
Use the filters below to find and compare flights from Portland to Washington that are best for you.

Fly from

Portland

Fly to

Washington

Route

Depart

Return

Price

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Sat 10/25

6:00 am-11:03 am

1 stop8h 03m

Seattle/Tacoma Intl

Fri 10/31

12:34 am-11:26 am

1 stop7h 52m

$248

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Sat 11/8

3:20 pm-9:13 pm

1 stop8h 53m

Seattle/Tacoma Intl

Wed 11/12

5:00 am-3:48 pm

1 stop7h 48m

$248

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Wed 10/22

6:00 am-11:41 am

1 stop8h 41m

Spokane

Tue 10/28

9:45 am-10:19 pm

2 stops9h 34m

$254

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 11/5

6:00 am-5:27 pm

2 stops14h 27m

Portland

Tue 11/11

11:15 pm-12:08 pm

1 stop9h 53m

$254

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 10/2

6:00 am-12:00 pm

1 stop9h 00m

Seattle/Tacoma Intl

Sun 10/5

12:34 am-11:28 am

1 stop7h 54m

$278

PortlandPortland

PWM - PDX

PWMPDX

Portland

Thu 10/2

1:35 pm-9:47 pm

1 stop11h 12m

Portland

Mon 10/6

12:40 am-10:36 am

1 stop6h 56m

$280

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 10/2

11:45 am-4:29 pm

1 stop7h 44m

Seattle/Tacoma Intl

Mon 10/6

11:55 pm-4:13 pm

2 stops13h 18m

$284

PortlandPortland

PWM - PDX

PWMPDX

Portland

Sat 11/1

3:20 pm-9:26 pm

1 stop9h 06m

Portland

Mon 11/3

7:38 pm-10:04 am

2 stops11h 26m

$285

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 10/2

2:17 pm-10:24 pm

1 stop11h 07m

Seattle/Tacoma Intl

Mon 10/6

11:40 pm-1:22 pm

1 stop10h 42m

$302

PortlandPortland

PWM - PDX

PWMPDX

Portland

Fri 10/31

6:29 am-12:21 pm

1 stop8h 52m

Portland

Mon 11/3

10:15 pm-11:46 am

2 stops10h 31m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 46 results
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Best time to book a flight from Portland to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Portland 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 Portland to Washington

What is the cheapest month to book a flight from Portland, Maine to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to State of Washington (average of $238). Flying from Portland, Maine to State of Washington in June is currently the most expensive (average of $388). 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 PWM to WA?

Find hourly flight availability from Portland to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Portland, Maine to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Portland to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,913 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Portland to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Washington?

    Located just 2.9 mi from the city center, Portland (PWM) is the airport most travelers will use when flying to Washington from Portland.

  • How long is the flight from Portland, Maine to State of Washington?

    Departing from Portland, Maine to State of Washington will take you 8h 03m. Airlines will cover a distance of 2481 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $112. United Airlines flights start at $125 while deals on JetBlue start at $137 one-way.

  • What are the most popular routes from Portland, Maine to State of Washington?

    While some choose either Portland - Portland or Portland - Spokane, Portland - Seattle/Tacoma Intl is the most popular route from Portland, Maine to State of Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Washington 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 Portland, Maine to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to State of Washington (average of $238). Flying from Portland, Maine to State of Washington in June is currently the most expensive (average of $388). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Portland to Washington

Discover the top 6 airlines that operate flights from Portland to Washington. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$240Average$291FlexibilityNo cancel feeOn-time62%
DeltaCheapest$259Average$502FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$304Average$460FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$336Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$638FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$366Average$502FlexibilityNo cancel feeOn-time63%

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