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Washington

$111+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 2/22:35 pm
PWM
-
SEA
1 stop10h 50m
Delta
Thu 2/51:45 pm
SEA
-
PWM
1 stop7h 35m
Delta
Deal found 1/25$221
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:30 am
PWM
-
SEA
2 stops14h 21m
Delta
Mon 2/911:10 pm
SEA
-
PWM
2 stops9h 10m
Delta
Deal found 1/26$232
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:35 pm
PWM
-
SEA
2 stops13h 26m
Delta
Tue 5/1911:15 am
SEA
-
PWM
1 stop9h 44m
Delta
Deal found 1/26$263
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 4/211:18 pm
PWM
-
SEA
1 stop10h 04m
American Airlines
Tue 4/2811:16 am
SEA
-
PWM
1 stop8h 54m
American Airlines
Deal found 1/25$266
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
PWM
-
SEA
2 stops10h 59m
American Airlines
Sat 5/211:16 am
SEA
-
PWM
1 stop8h 54m
American Airlines
Deal found 1/26$272
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/304:45 pm
PWM
-
SEA
1 stop8h 57m
United Airlines
Mon 5/411:14 pm
SEA
-
PWM
1 stop8h 04m
United Airlines
Deal found 1/26$275
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 3/175:40 pm
PWM
-
SEA
1 stop9h 44m
American Airlines
Mon 3/2310:57 pm
SEA
-
PWM
1 stop10h 17m
American Airlines
Deal found 1/25$280
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:45 pm
PWM
-
SEA
1 stop8h 54m
American Airlines
Wed 4/2911:16 am
SEA
-
PWM
1 stop8h 54m
American Airlines
Deal found 1/26$283
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 5/134:50 pm
PWM
-
SEA
1 stop8h 15m
Delta
Tue 5/1911:15 am
SEA
-
PWM
1 stop9h 44m
Delta
Deal found 1/27$295
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 3/65:40 pm
PWM
-
SEA
1 stop9h 44m
American Airlines
Sun 3/810:57 pm
SEA
-
PWM
1 stop10h 17m
American Airlines
Deal found 1/25$297
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 2/242:35 pm
PWM
-
PDX
2 stops12h 40m
Delta
Tue 3/312:09 pm
PDX
-
PWM
1 stop7h 57m
Delta
Deal found 1/27$364
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:42 pm
PWM
-
PDX
2 stops10h 13m
Delta
Wed 5/67:05 am
PDX
-
PWM
2 stops14h 41m
Delta
Deal found 1/26$367

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Delta)

One-way from

$111
(Delta)

Popular in

March

Cheapest in

January

Average price

$363
Provider with most accurate pricing for Portland-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Seattle/Tacoma Intl flights.
Search Deals
From Portland to Washington
Search Deals
One-way flight from Portland to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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 2/7

2:35 pm-10:25 pm

1 stop10h 50m

Seattle/Tacoma Intl

Mon 2/9

1:45 pm-12:20 am

1 stop7h 35m

$221

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Sat 2/7

2:35 pm-10:25 pm

1 stop10h 50m

Seattle/Tacoma Intl

Tue 2/10

1:45 pm-12:20 am

1 stop7h 35m

$221

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Sat 2/7

5:30 am-5:45 pm

2 stops15h 15m

Seattle/Tacoma Intl

Tue 2/10

8:35 am-11:43 pm

2 stops12h 08m

$232

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 5/8

1:35 pm-12:01 am

2 stops13h 26m

Seattle/Tacoma Intl

Tue 5/19

11:15 am-11:59 pm

1 stop9h 44m

$270

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/30

4:45 pm-10:42 pm

1 stop8h 57m

Seattle/Tacoma Intl

Mon 5/4

11:14 pm-10:18 am

1 stop8h 04m

$275

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 5/8

3:23 pm-10:59 pm

1 stop10h 36m

Seattle/Tacoma Intl

Tue 5/12

8:00 am-7:04 pm

1 stop8h 04m

$275

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 4/24

5:45 pm-11:39 pm

1 stop8h 54m

Seattle/Tacoma Intl

Wed 4/29

11:16 am-11:10 pm

1 stop8h 54m

$283

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/23

5:45 pm-11:39 pm

1 stop8h 54m

Seattle/Tacoma Intl

Wed 4/29

11:16 am-11:10 pm

1 stop8h 54m

$283

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Wed 5/13

4:50 pm-10:05 pm

1 stop8h 15m

Seattle/Tacoma Intl

Tue 5/19

11:15 am-11:59 pm

1 stop9h 44m

$295

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 3/6

5:40 pm-12:24 am

1 stop9h 44m

Seattle/Tacoma Intl

Sun 3/8

10:57 pm-12:14 pm

1 stop10h 17m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 51 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, March 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 December is currently the most expensive (average of $228). 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 January 27, 2026.
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
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,119 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,205 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.9
Okay
343 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 10h 50m. 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 Delta, which is currently one of the cheapest options available, starting at $137. JetBlue flights start at $140 while deals on United Airlines start at $141 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, March 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 December is currently the most expensive (average of $228). 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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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$476FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$240Average$240FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$242Average$459FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$305Average$609FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$314Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$361Average$502FlexibilityNo cancel feeOn-time63%

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