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 41% 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 16m on average. If you fly from Spokane (another popular airport in State of Washington) to Boston, then the average flight time is 6h 52m.

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

Delta, American Airlines, and United Airlines 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 December 2025, there are 7 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.

$111 Cheap Flights from Washington to Portland in 2025/26

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1:45 pm - 12:20 am

SEA

PWM

7h 35m1 stop

2:35 pm - 10:25 pm

PWM

SEA

10h 50m1 stop

$221Delta

Tue, Jan 20 - Fri, Jan 23

11:10 pm - 11:20 am

SEA

PWM

9h 10m2 stops

2:35 pm - 10:25 pm

PWM

SEA

10h 50m1 stop

$226Delta

Tue, Jan 20 - Fri, Jan 23

7:35 am - 11:43 pm

SEA

PWM

13h 08m2 stops

12:40 pm - 10:20 pm

PWM

SEA

12h 40m2 stops

$231American Airlines

Tue, Jan 20 - Fri, Jan 23

12:43 pm - 11:20 pm

SEA

PWM

7h 37m1 stop

5:45 am - 11:49 am

PWM

SEA

9h 04m1 stop

$251United Airlines

Tue, Feb 17 - Tue, Feb 24

7:00 am - 10:54 pm

SEA

PWM

12h 54m2 stops

3:58 pm - 10:07 pm

PWM

SEA

9h 09m1 stop

$263American Airlines

Tue, Feb 3 - Tue, Feb 10

11:59 pm - 2:23 pm

PDX

PWM

11h 24m2 stops

4:15 pm - 10:56 pm

PWM

PDX

9h 41m1 stop

$347United Airlines

Sat, Feb 14 - Sat, Feb 21

7:10 am - 10:00 pm

PDX

PWM

11h 50m2 stops

12:35 pm - 8:30 pm

PWM

PDX

10h 55m2 stops

$387Southwest

Sat, Jan 17 - Sat, Jan 24

7:30 am - 10:54 pm

GEG

PWM

12h 24m2 stops

12:46 pm - 10:52 pm

PWM

GEG

13h 06m2 stops

$487Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

5:10 pm - 11:55 am

GEG

PWM

15h 45m2 stops

5:40 am - 10:15 pm

PWM

GEG

19h 35m2 stops

$591Southwest

Thu, Apr 2 - Sat, Apr 11

5:20 am - 10:27 pm

BLI

PWM

14h 07m2 stops

4:12 pm - 12:01 am

PWM

BLI

10h 49m2 stops

$683Alaska Airlines

Tue, May 5 - Wed, May 6

Delta flights from State of Washington to Portland, Maine

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

Delta

Jan 20

SEA1:45 pmSeattle/Tacoma Intl

7h 35m

1 stop

PWM12:20 amPortland

Jan 23

PWM2:35 pmPortland

10h 50m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

$221

Find similar

Delta

Jan 20

SEA11:10 pmSeattle/Tacoma Intl

9h 10m

2 stops

PWM11:20 amPortland

Jan 23

PWM2:35 pmPortland

10h 50m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

$226

Find similar

Delta

Apr 28

SEA11:05 pmSeattle/Tacoma Intl

9h 50m

1 stop

PWM11:55 amPortland

May 1

PWM2:35 pmPortland

10h 41m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$270

Find similar

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

Jan 20

SEA7:35 amSeattle/Tacoma Intl

13h 08m

2 stops

PWM11:43 pmPortland

Jan 23

PWM12:40 pmPortland

12h 40m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

$231

Find similar

American Airlines

Feb 3

SEA7:00 amSeattle/Tacoma Intl

12h 54m

2 stops

PWM10:54 pmPortland

Feb 10

PWM3:58 pmPortland

9h 09m

1 stop

SEA10:07 pmSeattle/Tacoma Intl

$263

Find similar

American Airlines

Jan 13

SEA7:35 amSeattle/Tacoma Intl

13h 08m

2 stops

PWM11:43 pmPortland

Jan 20

PWM5:20 amPortland

13h 14m

2 stops

SEA3:34 pmSeattle/Tacoma Intl

$269

Find similar

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

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 1/20

1:45 pm-12:20 am

1 stop7h 35m

Portland

Fri 1/23

2:35 pm-10:25 pm

1 stop10h 50m

$221

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 1/20

11:10 pm-11:20 am

2 stops9h 10m

Portland

Fri 1/23

2:35 pm-10:25 pm

1 stop10h 50m

$226

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 1/20

7:35 am-11:43 pm

2 stops13h 08m

Portland

Fri 1/23

12:40 pm-10:20 pm

2 stops12h 40m

$231

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/17

12:43 pm-11:20 pm

1 stop7h 37m

Portland

Tue 2/24

5:45 am-11:49 am

1 stop9h 04m

$251

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/3

7:00 am-10:54 pm

2 stops12h 54m

Portland

Tue 2/10

3:58 pm-10:07 pm

1 stop9h 09m

$263

PortlandPortland

PDX - PWM

PDXPWM

Portland

Sat 2/14

11:59 pm-2:23 pm

2 stops11h 24m

Portland

Sat 2/21

4:15 pm-10:56 pm

1 stop9h 41m

$347

PortlandPortland

PDX - PWM

PDXPWM

Portland

Sat 1/17

7:10 am-10:00 pm

2 stops11h 50m

Portland

Sat 1/24

12:35 pm-8:30 pm

2 stops10h 55m

$387

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 1/28

7:30 am-10:54 pm

2 stops12h 24m

Portland

Sat 1/31

12:46 pm-10:52 pm

2 stops13h 06m

$487

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 4/2

5:10 pm-11:55 am

2 stops15h 45m

Portland

Sat 4/11

5:40 am-10:15 pm

2 stops19h 35m

$591

BellinghamPortland

BLI - PWM

BLIPWM

Bellingham

Tue 5/5

5:20 am-10:27 pm

2 stops14h 07m

Portland

Wed 5/6

4:12 pm-12:01 am

2 stops10h 49m

$683

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 $320, 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 October is also cheap. Prices for this month can be found on momondo for an average of $426.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from State of Washington is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $473. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $686.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the afternoon is the cheapest time of day to fly from State of Washington to Portland, Maine when you can find flight prices for as low as $439. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $649. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $537 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 $403 on momondo.

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

You could potentially save up to 31% 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 10m
Direct flights	None

The fastest flight from State of Washington to Portland, Maine takes 7h 10m

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 December 2025, there are 7 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 $172	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Sun Country Air	PriceFrom $296	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $297	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $320	Free Cancellation	Rating 8.0 11,466 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $361	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Brunswick

Auburn

Gorham

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.

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Cheap flights from Washington to Boston from $111

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 Boston departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from State of Washington to Portland, Maine

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

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

See travel insights to Boston 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?

What is the cheapest day to depart on your flight to Portland, Maine?

What is the cheapest time of day to depart on your flight 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?

You could potentially save up to 31% on your flight if you consider stops on a State of Washington to Portland, Maine flight.

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

Delta, American Airlines, and United Airlines are the most popular carriers operating 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

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

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

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

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

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 Boston?

Why use momondo?

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

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

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

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

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