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$159+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(American Airlines)

One-way from

$159
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$546
Provider with most accurate pricing for Portland-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Seattle/Tacoma Intl flights.
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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. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 4/812:15 pmPWM - PDX
2 stops13h 47mAmerican Airlines
Sat 4/127:35 amPDX - PWM
2 stops11h 30mAmerican Airlines
Deal found 2/19$321
This Southwest deal was found by Cheapflights users on 2/20. 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 4/71:00 pmPWM - SEA
2 stops14h 50mSouthwest
Tue 4/155:10 pmSEA - PWM
2 stops15h 20mSouthwest
Deal found 2/20$333
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/312:25 pmPWM - SEA
1 stop9h 36mUnited Airlines
Tue 4/88:15 amSEA - PWM
1 stop8h 29mUnited Airlines
Deal found 2/20$343
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/34:11 pmPWM - SEA
1 stop8h 54mAmerican Airlines
Tue 4/810:05 pmSEA - PWM
2 stops11h 00mAmerican Airlines
Deal found 2/20$347
This Delta deal was found by Cheapflights users on 2/20. 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 4/75:30 amPWM - SEA
1 stop11h 52mDelta
Tue 4/151:35 pmSEA - PWM
1 stop6h 34mDelta
Deal found 2/20$348
This Delta deal was found by Cheapflights users on 2/19. 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 3/53:04 pmPWM - PDX
1 stop11h 25mDelta
Wed 3/1212:36 pmPDX - PWM
1 stop8h 22mDelta
Deal found 2/19$351
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 5/66:05 amPWM - PDX
1 stop8h 39mUnited Airlines
Tue 5/1311:59 pmPDX - PWM
2 stops10h 57mUnited Airlines
Deal found 2/20$357
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 5/312:40 pmPWM - GEG
2 stops12h 25mSouthwest
Wed 5/75:25 pmGEG - PWM
2 stops14h 40mSouthwest
Deal found 2/18$364
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Tue 5/61:41 pmPWM - PDX
3 stops23h 34mMultiple Airlines
Tue 5/132:35 pmPDX - PWM
3 stops26h 05mMultiple Airlines
Deal found 2/20$387
This Southwest deal was found by Cheapflights users on 2/19. 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 3/75:50 amPWM - PDX
2 stops15h 55mSouthwest
Wed 3/125:35 amPDX - PWM
2 stops14h 25mSouthwest
Deal found 2/19$397
This JetBlue Airways deal was found by Cheapflights users on 2/20. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/282:20 pmPWM - SEA
1 stop9h 13mJetBlue
Sat 9/610:39 pmSEA - PWM
1 stop7h 48mJetBlue
Deal found 2/20$399
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Mon 4/76:18 pmPWM - SEA
3 stops44h 17mMultiple Airlines
Tue 4/1512:30 pmSEA - PWM
2 stops19h 50mMultiple Airlines
Deal found 2/20$411

Find flights from Portland to Washington within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Washington

Route

Depart

Return

Price

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 4/8

12:15 pm-11:02 pm

2 stops13h 47m

Portland

Tue 4/15

9:00 am-11:54 pm

2 stops11h 54m

$318

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Mon 4/7

1:00 pm-12:50 am

2 stops14h 50m

Seattle/Tacoma Intl

Tue 4/15

5:10 pm-11:30 am

2 stops15h 20m

$333

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/3

12:25 pm-7:01 pm

1 stop9h 36m

Seattle/Tacoma Intl

Tue 4/8

8:15 am-7:44 pm

1 stop8h 29m

$343

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/3

4:11 pm-10:05 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 4/8

10:05 pm-12:05 pm

2 stops11h 00m

$347

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Mon 4/7

5:30 am-2:22 pm

1 stop11h 52m

Seattle/Tacoma Intl

Tue 4/15

1:35 pm-11:09 pm

1 stop6h 34m

$348

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 3/5

3:04 pm-11:29 pm

1 stop11h 25m

Portland

Wed 3/12

12:36 pm-11:58 pm

1 stop8h 22m

$351

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 5/6

6:05 am-11:44 am

1 stop8h 39m

Portland

Tue 5/13

11:59 pm-1:56 pm

2 stops10h 57m

$357

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Sat 5/3

12:40 pm-10:05 pm

2 stops12h 25m

Spokane

Wed 5/7

5:25 pm-11:05 am

2 stops14h 40m

$364

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 5/6

1:41 pm-10:15 am

3 stops23h 34m

Portland

Tue 5/13

11:10 am-7:40 pm

3 stops29h 30m

$387

PortlandPortland

PWM - PDX

PWMPDX

Portland

Fri 3/7

5:50 am-6:45 pm

2 stops15h 55m

Portland

Wed 3/12

5:35 am-11:00 pm

2 stops14h 25m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 39 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.

Travel insights for flights from Portland to Washington

Get recent, data-driven insights about flights from Portland to Washington including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $411). 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 February 20, 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.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Portland to Washington by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • 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 $159. Southwest flights start at $186 while deals on Sun Country Air start at $218 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 July is currently the most expensive (average of $411). 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 7 airlines flying from Portland to Washington

Discover the top 7 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$253Average$388FlexibilityNo cancel feeOn-time62%
DeltaCheapest$270Average$574FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$580FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$318Average$715FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$336Average$738FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$365Average$488FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$366Average$471FlexibilityNo cancel feeOn-time63%
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