Washington

$131+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Apr 11 — Apr 181
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Cheap 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 March 12, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/72:30 pm
PWM
-
SEA
1 stop10h 54m
Delta
Tue 4/1411:14 pm
SEA
-
PWM
1 stop9h 51m
Delta
Deal found 3/9$261
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/72:30 pm
PWM
-
SEA
1 stop10h 54m
Delta
Mon 4/1311:59 pm
SEA
-
PWM
2 stops12h 58m
Delta
Deal found 3/9$266
This Delta deal was found by Cheapflights users on 3/9. 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.
Fri 5/14:43 pm
PWM
-
SEA
2 stops10h 11m
Delta
Mon 5/411:59 pm
SEA
-
PWM
2 stops12h 58m
Delta
Deal found 3/9$271
This American Airlines deal was found by Cheapflights users on 3/8. 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 5/86:01 pm
PWM
-
SEA
1 stop9h 35m
American Airlines
Tue 5/191:19 pm
SEA
-
PWM
1 stop7h 58m
American Airlines
Deal found 3/8$274
This American Airlines deal was found by Cheapflights users on 3/8. 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 5/23:40 pm
PWM
-
SEA
2 stops11h 56m
American Airlines
Sat 5/910:47 pm
SEA
-
PWM
1 stop8h 31m
American Airlines
Deal found 3/8$276
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/126:01 pm
PWM
-
SEA
1 stop9h 35m
American Airlines
Tue 5/1911:16 am
SEA
-
PWM
1 stop10h 01m
American Airlines
Deal found 3/10$278
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/96:00 am
PWM
-
SEA
1 stop8h 34m
American Airlines
Tue 4/141:19 pm
SEA
-
PWM
1 stop7h 54m
American Airlines
Deal found 3/10$281
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/136:01 pm
PWM
-
SEA
1 stop9h 35m
American Airlines
Tue 5/191:19 pm
SEA
-
PWM
1 stop7h 58m
American Airlines
Deal found 3/10$283
This American Airlines deal was found by Cheapflights users on 3/11. 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 4/83:39 pm
PWM
-
SEA
2 stops11h 57m
American Airlines
Wed 4/1512:34 pm
SEA
-
PWM
1 stop7h 53m
American Airlines
Deal found 3/11$286
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/287:07 am
PWM
-
SEA
1 stop10h 20m
American Airlines
Sun 5/310:47 pm
SEA
-
PWM
1 stop8h 36m
American Airlines
Deal found 3/7$288
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/153:39 pm
PWM
-
SEA
2 stops11h 57m
American Airlines
Mon 4/2012:34 pm
SEA
-
PWM
1 stop7h 53m
American Airlines
Deal found 3/8$289
This Delta deal was found by Cheapflights users on 3/7. 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 5/42:51 pm
PWM
-
GEG
2 stops12h 29m
Delta
Mon 5/187:23 pm
GEG
-
PWM
2 stops13h 37m
Delta
Deal found 3/7$319

Find flight deals from Portland to Washington

Keep the following information in mind while searching for Portland to Washington flight deals. Data was last updated March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Delta)

One-way from

$131
(American Airlines)

Popular in

March

Cheapest in

April

Average price

$665
Provider with most accurate pricing for Portland-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Portland-Seattle/Tacoma Intl flights.
From Portland to Washington
One-way flight from Portland to Washington
Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 12, 2026.
Use the filters below to find and compare flights from Portland to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 4/29

6:30 am-6:52 pm

2 stops15h 22m

Portland

Tue 5/5

7:05 am-12:46 am

2 stops14h 41m

$319

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Sat 5/30

5:15 am-6:47 pm

2 stops16h 32m

Seattle/Tacoma Intl

Wed 6/3

1:00 pm-11:51 pm

1 stop7h 51m

$366

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 4/8

4:28 pm-10:34 pm

1 stop9h 06m

Portland

Wed 4/15

10:50 am-9:40 pm

1 stop7h 50m

$367

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 9/1

5:15 am-3:36 pm

2 stops13h 21m

Seattle/Tacoma Intl

Sat 9/12

6:00 pm-9:22 am

2 stops12h 22m

$374

PortlandPasco

PWM - PSC

PWMPSC

Portland

Fri 5/1

9:00 am-8:53 pm

2 stops14h 53m

Pasco Tri Cities

Tue 5/5

5:00 am-7:04 pm

2 stops11h 04m

$379

PortlandPortland

PWM - PDX

PWMPDX

Portland

Mon 4/6

6:33 pm-11:59 pm

1 stop8h 26m

Portland

Mon 4/13

11:59 pm-1:25 pm

2 stops10h 26m

$384

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 4/8

1:00 pm-11:10 pm

2 stops13h 10m

Portland

Wed 4/15

6:30 am-10:35 pm

2 stops13h 05m

$393

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 4/14

1:00 pm-10:00 pm

2 stops12h 00m

Portland

Mon 4/20

5:10 am-11:25 pm

2 stops15h 15m

$404

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 8/28

7:40 am-6:20 pm

1 stop13h 40m

Seattle/Tacoma Intl

Fri 9/11

11:00 pm-11:45 am

2 stops9h 45m

$406

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Tue 5/5

7:10 am-4:55 pm

2 stops12h 45m

Spokane

Tue 5/19

6:34 am-10:13 pm

2 stops12h 39m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 59 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Portland, Maine to State of Washington (average of $118). Flying from Portland, Maine to State of Washington in January is currently the most expensive (average of $247). 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.

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 March 12, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 13h 10m. Airlines will cover a distance of 2527 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 American Airlines, which is currently one of the cheapest options available, starting at $120. United Airlines flights start at $137 while deals on Delta start at $138 one-way.

  • What are the most popular routes 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, September is the cheapest month in which you can book a flight from Portland, Maine to State of Washington (average of $118). Flying from Portland, Maine to State of Washington in January is currently the most expensive (average of $247). 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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Alternative routes for Portland to Washington

See prices for flight routes from nearby airports that may be better suited for you.

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$403FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$207Average$308FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$242Average$420FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$275Average$626FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$380Average$505FlexibilityNo cancel feeOn-time63%

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