Portland

$126+ Cheap flights from Washington to Portland, ME (PWM)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PWM
Mar 5 — Mar 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Portland

Cheapest flights from Washington to Portland
Explore the most affordable flight options available from Washington to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 3/210:57 pm
SEA
-
PWM
1 stop10h 22m
American Airlines
Mon 3/96:00 pm
PWM
-
SEA
1 stop9h 24m
American Airlines
Deal found 2/1$241
This Delta deal was found by Cheapflights users on 2/1. 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 3/211:15 pm
SEA
-
PWM
2 stops9h 03m
Delta
Mon 3/95:23 am
PWM
-
SEA
1 stop11h 32m
Delta
Deal found 2/1$273
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/108:10 am
SEA
-
PWM
2 stops12h 17m
United Airlines
Thu 2/126:00 am
PWM
-
SEA
2 stops16h 03m
United Airlines
Deal found 2/3$300
This American Airlines deal was found by Cheapflights users on 2/2. 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 5/298:20 am
SEA
-
PWM
1 stop10h 24m
American Airlines
Tue 6/25:36 pm
PWM
-
SEA
1 stop10h 21m
American Airlines
Deal found 2/2$301
This Delta deal was found by Cheapflights users on 2/2. 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 5/2911:59 pm
SEA
-
PWM
2 stops8h 58m
Delta
Tue 6/211:02 am
PWM
-
SEA
2 stops12h 37m
Delta
Deal found 2/2$305
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/177:15 am
SEA
-
PWM
2 stops12h 44m
American Airlines
Wed 2/185:40 pm
PWM
-
SEA
1 stop9h 44m
American Airlines
Deal found 2/2$314
This United Airlines deal was found by Cheapflights users on 2/3. 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 9/307:00 am
SEA
-
PWM
1 stop7h 12m
United Airlines
Wed 10/144:48 pm
PWM
-
SEA
1 stop10h 11m
United Airlines
Deal found 2/3$315
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/58:04 am
SEA
-
PWM
2 stops12h 39m
American Airlines
Sat 2/73:58 pm
PWM
-
SEA
1 stop9h 09m
American Airlines
Deal found 2/1$316
This American Airlines deal was found by Cheapflights users on 2/2. 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 5/286:00 am
SEA
-
PWM
1 stop9h 51m
American Airlines
Mon 6/15:36 pm
PWM
-
SEA
1 stop10h 21m
American Airlines
Deal found 2/2$317
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/175:40 am
PDX
-
PWM
2 stops14h 19m
American Airlines
Sat 2/215:57 pm
PWM
-
PDX
1 stop9h 20m
American Airlines
Deal found 2/2$364
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/297:05 pm
PDX
-
PWM
2 stops10h 44m
United Airlines
Tue 5/59:39 am
PWM
-
PDX
1 stop8h 34m
United Airlines
Deal found 2/3$372
This Delta deal was found by Cheapflights users on 2/1. 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 4/147:32 pm
PDX
-
PWM
2 stops13h 33m
Delta
Wed 4/224:42 pm
PWM
-
PDX
1 stop8h 00m
Delta
Deal found 2/1$385

Find flight deals from Washington to Portland

Keep the following information in mind while searching for Washington to Portland flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(American Airlines)

One-way from

$126
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$451
Provider with most accurate pricing for Seattle/Tacoma Intl-Portland flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Portland flights.
From Washington to Portland
One-way flight from Washington to Portland
Highest demand for flights based on searches. 9% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Portland 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 3, 2026.
Use the filters below to find and compare flights from Washington to Portland that are best for you.

Fly from

Washington

Fly to

Portland

Route

Depart

Return

Price

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

11:15 pm-11:18 am

2 stops9h 03m

Portland

Mon 3/9

5:23 am-1:55 pm

1 stop11h 32m

$273

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 5/29

11:59 pm-11:57 am

2 stops8h 58m

Portland

Tue 6/2

12:52 pm-8:39 pm

1 stop10h 47m

$273

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

10:57 pm-12:19 pm

1 stop10h 22m

Portland

Mon 3/9

6:00 pm-12:24 am

1 stop9h 24m

$295

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 5/28

11:58 pm-12:41 pm

2 stops9h 43m

Portland

Mon 6/1

5:36 pm-12:57 am

1 stop10h 21m

$322

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/17

2:00 pm-12:18 am

1 stop7h 18m

Portland

Wed 2/18

2:35 pm-10:22 pm

1 stop10h 47m

$330

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 2/19

7:15 am-11:20 pm

2 stops13h 05m

Portland

Wed 2/25

4:15 pm-10:43 pm

1 stop9h 28m

$345

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

6:05 am-10:45 pm

2 stops13h 40m

Portland

Mon 3/9

2:50 pm-12:30 am

2 stops12h 40m

$364

PortlandPortland

PDX - PWM

PDXPWM

Portland

Tue 2/17

5:40 am-10:59 pm

2 stops14h 19m

Portland

Sat 2/21

5:57 pm-12:17 am

1 stop9h 20m

$364

PortlandPortland

PDX - PWM

PDXPWM

Portland

Tue 4/14

7:32 pm-12:05 pm

2 stops13h 33m

Portland

Wed 4/22

4:42 pm-11:55 pm

2 stops10h 13m

$364

PortlandPortland

PDX - PWM

PDXPWM

Portland

Wed 4/29

7:05 pm-8:49 am

2 stops10h 44m

Portland

Tue 5/5

9:39 am-3:13 pm

1 stop8h 34m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 46 results
1
2
3
...
5

Best time to book a flight from Washington to Portland

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

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

Currently, March is the cheapest month in which you can book a flight from State of Washington to Portland, Maine (average of $108). Flying from State of Washington to Portland, Maine in December is currently the most expensive (average of $244). 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.

How much does it cost to fly round-trip from State of Washington to Portland, Maine?

Related info for your journey

Find useful and relevant information for your journey from Washington to Portland. 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 into for flights to Portland from Washington?

    Portland (PWM) is the airport you will fly into if you book a flight from Washington to Portland. It is only a 2.9 mi journey from Portland (PWM) to Portland’s city center.

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

    Departing from State of Washington to Portland, Maine will take you 9h 03m. The distance from State of Washington to Portland, Maine is about 2481 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from State of Washington to Portland, Maine are American Airlines ($110), Delta ($119), and Sun Country Air ($132).

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

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Portland, Maine (average of $108). Flying from State of Washington to Portland, Maine in December is currently the most expensive (average of $244). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Portland

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

Top 6 airlines flying from Washington to Portland

Discover the top 6 airlines that operate flights from Washington to Portland. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$172Average$284FlexibilityNo cancel feeOn-time62%
DeltaCheapest$229Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$280Average$585FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$320Average$778FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$361Average$467FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.