What airlines fly to Portland, Maine?

Delta, Alaska Airlines and JetBlue are the top three most popular airlines that fly to Portland, Maine from State of Washington according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 8 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Portland, Maine?

The flight from State of Washington to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Boston (the most popular airport in Portland, Maine), then the flight time is 5h 14m on average. If you fly from Spokane (another popular airport in State of Washington) to Boston, then the average flight time is 6h 47m.

What is the cheapest airline that flies from Washington to Portland?

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Washington to Portland

When did momondo last update prices for flights from Washington to Portland Airport?

Prices for flights from Washington to Portland Airport are updated daily.

How many operators does momondo search for flights from Washington to Portland Airport?

As of March 2026, there are 6 operators available to choose from for flights from Washington to Portland Airport.

How old do you have to be to fly from Washington to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$146 Cheap Flights from Washington to Portland in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:14 pm - 12:05 pm

SEA

PWM

9h 51m

1 stop

2:51 pm - 10:23 pm

PWM

SEA

10h 32m

1 stop

$291Delta

Tue, Apr 14 - Tue, Apr 21

9:45 pm - 12:05 pm

SEA

PWM

11h 20m

2 stops

2:51 pm - 10:23 pm

PWM

SEA

10h 32m

1 stop

$296Delta

Tue, Apr 14 - Tue, Apr 21

10:47 pm - 10:23 am

SEA

PWM

8h 36m

1 stop

6:01 pm - 12:36 am

PWM

SEA

9h 35m

1 stop

$301American Airlines

Fri, Apr 17 - Fri, Apr 24

8:10 am - 9:46 pm

SEA

PWM

10h 36m

1 stop

5:36 pm - 12:59 am

PWM

SEA

10h 23m

1 stop

$305American Airlines

Sat, May 23 - Wed, Jun 3

5:00 am - 3:41 pm

PDX

PWM

7h 41m

1 stop

6:00 am - 11:37 am

PWM

PDX

8h 37m

1 stop

$383United Airlines

Tue, May 5 - Tue, May 12

7:05 pm - 8:49 am

PDX

PWM

10h 44m

2 stops

6:00 am - 11:37 am

PWM

PDX

8h 37m

1 stop

$388United Airlines

Wed, May 6 - Tue, May 12

5:10 am - 10:35 pm

GEG

PWM

14h 25m

2 stops

2:50 pm - 12:30 am

PWM

GEG

12h 40m

2 stops

$452Southwest

Tue, May 5 - Fri, May 8

5:50 am - 11:25 pm

GEG

PWM

14h 35m

2 stops

2:50 pm - 12:30 am

PWM

GEG

12h 40m

2 stops

$475Southwest

Mon, May 4 - Mon, May 11

7:30 pm - 10:18 am

PSC

PWM

11h 48m

2 stops

3:02 pm - 11:59 pm

PWM

PSC

11h 57m

2 stops

$589Alaska Airlines

Sat, May 9 - Tue, May 12

7:28 pm - 10:23 am

PUW

PWM

11h 55m

2 stops

3:02 pm - 11:59 pm

PWM

PUW

11h 57m

2 stops

$969Alaska Airlines

Tue, May 5 - Wed, May 6

Southwest flights from State of Washington to Portland, Maine

Our best Southwest deals on State of Washington to Portland, Maine flight tickets

Southwest

Apr 15

SEA11:45 pmSeattle/Tacoma Intl

11h 25m

2 stops

PWM2:10 pmPortland

Apr 22

PWM3:55 pmPortland

11h 15m

2 stops

SEA12:10 amSeattle/Tacoma Intl

$355

Southwest

Aug 12

SEA11:00 pmSeattle/Tacoma Intl

11h 25m

1 stop

PWM1:25 pmPortland

Aug 18

PWM5:45 amPortland

12h 15m

2 stops

SEA3:00 pmSeattle/Tacoma Intl

$376

Southwest

Apr 18

SEA8:30 amSeattle/Tacoma Intl

11h 55m

2 stops

PWM11:25 pmPortland

Apr 25

PWM5:40 amPortland

17h 55m

2 stops

SEA8:35 pmSeattle/Tacoma Intl

$377

American Airlines flights from State of Washington to Portland, Maine

Our best American Airlines deals on State of Washington to Portland, Maine flight tickets

American Airlines

Apr 17

SEA10:47 pmSeattle/Tacoma Intl

8h 36m

1 stop

PWM10:23 amPortland

Apr 24

PWM6:01 pmPortland

9h 35m

1 stop

SEA12:36 amSeattle/Tacoma Intl

$301

American Airlines

May 23

SEA8:10 amSeattle/Tacoma Intl

10h 36m

1 stop

PWM9:46 pmPortland

Jun 3

PWM5:36 pmPortland

10h 23m

1 stop

SEA12:59 amSeattle/Tacoma Intl

$305

American Airlines

May 23

SEA8:10 amSeattle/Tacoma Intl

10h 36m

1 stop

PWM9:46 pmPortland

May 25

PWM6:00 amPortland

8h 46m

1 stop

SEA11:46 amSeattle/Tacoma Intl

$315

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 4/14

11:14 pm-12:05 pm

1 stop9h 51m

Portland

Tue 4/21

2:51 pm-10:23 pm

1 stop10h 32m

$291

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 4/14

9:45 pm-12:05 pm

2 stops11h 20m

Portland

Tue 4/21

2:51 pm-10:23 pm

1 stop10h 32m

$296

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 4/17

10:47 pm-10:23 am

1 stop8h 36m

Portland

Fri 4/24

6:01 pm-12:36 am

1 stop9h 35m

$301

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Sat 5/23

8:10 am-9:46 pm

1 stop10h 36m

Portland

Wed 6/3

5:36 pm-12:59 am

1 stop10h 23m

$305

Quickest round-trip

PortlandPortland

PDX - PWM

PDXPWM

Portland

Tue 5/5

5:00 am-3:41 pm

1 stop7h 41m

Portland

Tue 5/12

6:00 am-11:37 am

1 stop8h 37m

$383

PortlandPortland

PDX - PWM

PDXPWM

Portland

Wed 5/6

7:05 pm-8:49 am

2 stops10h 44m

Portland

Tue 5/12

6:00 am-11:37 am

1 stop8h 37m

$388

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 5/5

5:10 am-10:35 pm

2 stops14h 25m

Portland

Fri 5/8

2:50 pm-12:30 am

2 stops12h 40m

$452

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Mon 5/4

5:50 am-11:25 pm

2 stops14h 35m

Portland

Mon 5/11

2:50 pm-12:30 am

2 stops12h 40m

$475

PascoPortland

PSC - PWM

PSCPWM

Pasco Tri Cities

Sat 5/9

7:30 pm-10:18 am

2 stops11h 48m

Portland

Tue 5/12

3:02 pm-11:59 pm

2 stops11h 57m

$589

PullmanPortland

PUW - PWM

PUWPWM

Pullman Moscow Regional

Tue 5/5

7:28 pm-10:23 am

2 stops11h 55m

Portland

Wed 5/6

3:02 pm-11:59 pm

2 stops11h 57m

$969

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from State of Washington is in January. Flight prices, which tend to average around $308, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $393.

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $489 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from State of Washington for as low as $284 on momondo.

Can stopping save me money on State of Washington to Portland, Maine flights?

You could potentially save up to 30% on your flight if you consider stops on a State of Washington to Portland, Maine flight.

Cheap State of Washington to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Portland, Maine

Fastest flight time	7h 28m
Direct flights	None

The fastest flight from State of Washington to Portland, Maine takes 7h 28m

There are no direct flights from State of Washington to Portland, Maine. There are no popular flight routes from State of Washington to Portland, Maine.

Search flight deals

When did momondo last update prices for flights from Washington to Portland Airport?
Prices for flights from Washington to Portland Airport are updated daily.
How many operators does momondo search for flights from Washington to Portland Airport?
As of March 2026, there are 6 operators available to choose from for flights from Washington to Portland Airport.
How old do you have to be to fly from Washington to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Portland, Maine

Compare and see reviews for airlines that fly from State of Washington to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $140	Free Cancellation	Rating 7.2 2,909 reviews	Search JetBlue flights
Delta	PriceFrom $221	Free Cancellation	Rating 7.9 8,313 reviews	Search Delta flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
United Airlines	PriceFrom $274	Free Cancellation	Rating 7.4 9,452 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $320	Free Cancellation	Rating 7.9 12,091 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $377	Free Cancellation	Rating 8.0 4,325 reviews	Search Southwest flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Brunswick

Bartlett

Gorham

Auburn

Windham

Intervale

Oxford

Bath

Georgetown

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Portland?

Finding the right flight to Portland from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

Can I find flights from Washington to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Portland?

Once all potential Washington to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 4/21

Tue 4/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Washington

Complete your trip

Feeling lucky

Airports servicing Maine

Rockland Knox County Regional Airport

Cheap flights from Washington to Portland from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Portland departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Portland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Southwest flights from State of Washington to Portland, Maine

Our best Southwest deals on State of Washington to Portland, Maine flight tickets

American Airlines flights from State of Washington to Portland, Maine

Our best American Airlines deals on State of Washington to Portland, Maine flight tickets

momondo Fare Finder

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

See travel insights to Portland from

How to get the cheapest flight ticket from State of Washington to Portland, Maine

What is the cheapest month to fly to Portland, Maine?

How far in advance should I book a flight to Portland, Maine?

Can stopping save me money on State of Washington to Portland, Maine flights?

What is the cheapest airline that flies from Washington to Portland?

What airlines fly to Portland, Maine?

How long does it take to fly to Portland, Maine?

Cheap State of Washington to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Portland, Maine

Fastest flight time

Direct flights

Best airlines flying from State of Washington to Portland, Maine

Compare and see reviews for airlines that fly from State of Washington to Portland, Maine with momondo

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington

According to popular flight searches on momondo this year

Complete your trip to Portland

Explore popular destinations other users love

According to popular flight searches on momondo this year