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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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$322
(Delta)

One-way from

$159
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$675
Provider with most accurate pricing for Portland-Seattle/Tacoma Intl flight deals.
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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. 6% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:00 amPWM - PDX
1 stop8h 52mUnited Airlines
Tue 4/2911:30 pmPDX - PWM
1 stop7h 22mUnited Airlines
Deal found 3/25$317
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 4/262:59 pmPWM - PDX
1 stop10h 39mDelta
Tue 4/2910:59 pmPDX - PWM
2 stops9h 00mDelta
Deal found 3/25$322
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:40 pmPWM - PDX
1 stop7h 40mSouthwest
Tue 6/109:15 pmPDX - PWM
1 stop9h 30mSouthwest
Deal found 3/25$332
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 4/264:15 pmPWM - SEA
1 stop8h 44mAmerican Airlines
Mon 5/511:59 pmSEA - PWM
1 stop8h 33mAmerican Airlines
Deal found 3/25$337
This JetBlue deal was found by Cheapflights users on 3/23. 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 10/22:15 pmPWM - SEA
1 stop10h 57mJetBlue
Mon 10/611:45 pmSEA - PWM
1 stop10h 31mJetBlue
Deal found 3/23$344
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 7/303:58 pmPWM - PDX
1 stop9h 08mAmerican Airlines
Tue 8/191:43 amPDX - PWM
1 stop10h 37mAmerican Airlines
Deal found 3/25$357
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/254:10 pmPWM - GEG
2 stops10h 55mSouthwest
Wed 7/26:50 amGEG - PWM
2 stops13h 35mSouthwest
Deal found 3/25$367
This Delta deal was found by Cheapflights users on 3/24. 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 4/261:00 pmPWM - SEA
2 stops13h 10mDelta
Mon 5/510:30 pmSEA - PWM
2 stops10h 37mDelta
Deal found 3/24$372
This American Airlines deal was found by Cheapflights users on 3/25. 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 9/56:02 pmPWM - GEG
1 stop21h 57mAmerican Airlines
Mon 9/151:40 pmGEG - PWM
1 stop18h 49mAmerican Airlines
Deal found 3/25$405
This Southwest deal was found by Cheapflights users on 3/24. 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.
Wed 5/2812:30 pmPWM - SEA
2 stops12h 50mSouthwest
Wed 6/45:10 pmSEA - PWM
2 stops14h 30mSouthwest
Deal found 3/24$407
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2012:32 pmPWM - PDX
1 stop13h 14mSun Country Air
Sat 7/266:45 pmPDX - PWM
1 stop13h 50mSun Country Air
Deal found 3/25$440
This United deal was found by Cheapflights users on 3/25. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:15 amPWM - SEA
2 stops15h 46mUnited Airlines
Mon 5/57:00 amSEA - PWM
3 stops13h 59mUnited Airlines
Deal found 3/25$452

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 26, 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

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 4/22

2:59 pm-10:38 pm

1 stop10h 39m

Portland

Tue 4/29

10:59 pm-10:59 am

2 stops9h 00m

$322

PortlandPortland

PWM - PDX

PWMPDX

Portland

Thu 6/5

7:40 pm-12:20 am

1 stop7h 40m

Portland

Tue 6/10

9:15 pm-9:45 am

1 stop9h 30m

$332

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 6/3

5:00 pm-10:23 pm

1 stop8h 23m

Seattle/Tacoma Intl

Thu 6/12

11:59 pm-10:39 am

1 stop7h 40m

$337

PortlandPortland

PWM - PDX

PWMPDX

Portland

Thu 4/24

12:45 pm-8:14 pm

1 stop10h 29m

Portland

Mon 4/28

11:30 pm-9:52 am

1 stop7h 22m

$347

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 6/3

4:01 pm-9:50 pm

1 stop8h 49m

Seattle/Tacoma Intl

Sat 6/14

12:12 pm-11:01 pm

1 stop7h 49m

$347

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Wed 4/23

6:15 am-3:58 pm

2 stops12h 43m

Seattle/Tacoma Intl

Wed 4/30

11:45 pm-11:02 am

1 stop8h 17m

$352

PortlandPortland

PWM - PDX

PWMPDX

Portland

Wed 7/30

3:58 pm-10:06 pm

1 stop9h 08m

Portland

Tue 8/19

1:43 am-3:20 pm

1 stop10h 37m

$357

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 6/17

2:20 pm-8:33 pm

1 stop9h 13m

Seattle/Tacoma Intl

Mon 6/23

11:25 pm-1:23 pm

1 stop10h 58m

$395

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 6/5

3:40 pm-12:25 am

2 stops11h 45m

Seattle/Tacoma Intl

Tue 6/10

10:55 pm-3:25 pm

2 stops13h 30m

$407

PortlandPortland

PWM - PDX

PWMPDX

Portland

Mon 6/30

12:16 pm-10:46 pm

1 stop13h 30m

Portland

Sat 7/5

11:59 pm-11:35 am

1 stop8h 36m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 30 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 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 March 26, 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 March 26, 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
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,922 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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. Delta flights start at $169 while deals on United Airlines start at $174 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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Alternative routes for Portland to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$240Average$324FlexibilityNo cancel feeOn-time62%
DeltaCheapest$259Average$526FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$579FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$318Average$728FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$336Average$730FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$361Average$504FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$365Average$470FlexibilityNo cancel feeOn-time83%
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