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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 11/14. 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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0 bags

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Cheap round-trip flights

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Delta Logo
11:55 pm - 10:36 amSEA-PWM
7h 41m1 stop
Delta Logo
4:48 pm - 10:03 pmPWM-SEA
8h 15m1 stop
$221Delta
Find Deal
dom., oct. 26 - mar., oct. 28
American Airlines Logo
11:56 pm - 1:35 pmSEA-PWM
10h 39m2 stops
American Airlines Logo
3:38 pm - 10:30 pmPWM-SEA
9h 52m1 stop
$226American Airlines
Find Deal
lun., oct. 27 - vie., oct. 31
Delta Logo
11:10 pm - 4:03 pmSEA-PWM
13h 53m2 stops
Delta Logo
5:42 am - 4:54 pmPWM-SEA
14h 12m2 stops
$231Delta
Find Deal
lun., oct. 27 - vie., oct. 31
Delta Logo
6:05 am - 4:15 pmSEA-PWM
7h 10m1 stop
Delta Logo
4:50 pm - 10:00 pmPWM-SEA
8h 10m1 stop
$248Delta
Find Deal
mar., mar. 10 - mié., mar. 11
United Airlines Logo
6:20 am - 5:48 pmSEA-PWM
8h 28m1 stop
United Airlines Logo
9:45 am - 6:10 pmPWM-SEA
11h 25m2 stops
$292United Airlines
Find Deal
mié., nov. 5 - lun., nov. 10
United Airlines Logo
5:00 am - 3:38 pmSEA-PWM
7h 38m1 stop
United Airlines Logo
3:20 pm - 9:13 pmPWM-SEA
8h 53m1 stop
$363United Airlines
Find Deal
mié., nov. 5 - lun., nov. 10
Southwest Logo
8:35 am - 12:20 amSEA-PWM
12h 45m2 stops
Southwest Logo
5:30 am - 6:20 pmPWM-SEA
15h 50m2 stops
$371Southwest
Find Deal
jue., nov. 13 - lun., nov. 17
Southwest Logo
6:00 am - 9:55 pmPDX-PWM
12h 55m2 stops
Southwest Logo
5:30 am - 5:50 pmPWM-PDX
15h 20m2 stops
$388Southwest
Find Deal
sáb., nov. 15 - lun., nov. 17
Alaska Airlines Logo
5:20 am - 10:32 pmBLI-PWM
14h 12m2 stops
Alaska Airlines Logo
12:26 pm - 12:01 amPWM-BLI
14h 35m2 stops
$732Alaska Airlines
Find Deal
mar., mar. 10 - mié., mar. 11
Alaska Airlines Logo
5:00 am - 8:40 pmALW-PWM
12h 40m2 stops
Alaska Airlines Logo
3:52 pm - 12:16 amPWM-ALW
11h 24m2 stops
$1,043Alaska Airlines
Find Deal
jue., oct. 30 - lun., nov. 3

Delta flights from State of Washington to Portland, Maine

Our best Delta deals on State of Washington to Portland, Maine flight tickets
Delta
Oct 26
SEA11:55 pmSeattle/Tacoma Intl
7h 41m
1 stop
PWM10:36 amPortland
Oct 28
PWM4:48 pmPortland
8h 15m
1 stop
SEA10:03 pmSeattle/Tacoma Intl
$221
Find similar
Delta
Oct 27
SEA11:10 pmSeattle/Tacoma Intl
13h 53m
2 stops
PWM4:03 pmPortland
Oct 31
PWM5:42 amPortland
14h 12m
2 stops
SEA4:54 pmSeattle/Tacoma Intl
$231
Find similar
Delta
Mar 10
SEA6:05 amSeattle/Tacoma Intl
7h 10m
1 stop
PWM4:15 pmPortland
Mar 11
PWM4:50 pmPortland
8h 10m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
$248
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
Oct 27
SEA11:56 pmSeattle/Tacoma Intl
10h 39m
2 stops
PWM1:35 pmPortland
Oct 31
PWM3:38 pmPortland
9h 52m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
$226
Find similar
American Airlines
Nov 3
SEA11:20 pmSeattle/Tacoma Intl
9h 53m
1 stop
PWM12:13 pmPortland
Nov 10
PWM5:37 pmPortland
8h 41m
1 stop
SEA11:18 pmSeattle/Tacoma Intl
$290
Find similar
American Airlines
Nov 3
SEA10:07 pmSeattle/Tacoma Intl
10h 39m
2 stops
PWM11:46 amPortland
Nov 10
PWM5:37 pmPortland
8h 41m
1 stop
SEA11:18 pmSeattle/Tacoma Intl
$295
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Portland, Maine 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, momondo users made 832,500 searches. Data last updated octubre 16, 2025.
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

dom. 10/26

11:55 pm-10:36 am

1 stop7h 41m

Portland

mar. 10/28

4:48 pm-10:03 pm

1 stop8h 15m

$221

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

lun. 10/27

11:56 pm-1:35 pm

2 stops10h 39m

Portland

vie. 10/31

3:38 pm-10:30 pm

1 stop9h 52m

$226

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

lun. 10/27

11:10 pm-4:03 pm

2 stops13h 53m

Portland

vie. 10/31

5:42 am-4:54 pm

2 stops14h 12m

$231

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mar. 3/10

6:05 am-4:15 pm

1 stop7h 10m

Portland

mié. 3/11

4:50 pm-10:00 pm

1 stop8h 10m

$248

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mié. 11/5

6:20 am-5:48 pm

1 stop8h 28m

Portland

lun. 11/10

9:45 am-6:10 pm

2 stops11h 25m

$292

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mié. 11/5

5:00 am-3:38 pm

1 stop7h 38m

Portland

lun. 11/10

3:20 pm-9:13 pm

1 stop8h 53m

$363

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

jue. 11/13

8:35 am-12:20 am

2 stops12h 45m

Portland

lun. 11/17

5:30 am-6:20 pm

2 stops15h 50m

$371

PortlandPortland

PDX - PWM

PDXPWM

Portland

sáb. 11/15

6:00 am-9:55 pm

2 stops12h 55m

Portland

lun. 11/17

5:30 am-5:50 pm

2 stops15h 20m

$388

BellinghamPortland

BLI - PWM

BLIPWM

Bellingham

mar. 3/10

5:20 am-10:32 pm

2 stops14h 12m

Portland

mié. 3/11

12:26 pm-12:01 am

2 stops14h 35m

$732

Walla WallaPortland

ALW - PWM

ALWPWM

Walla Walla

jue. 10/30

5:00 am-8:40 pm

2 stops12h 40m

Portland

lun. 11/3

3:52 pm-12:16 am

2 stops11h 24m

$1,043

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $328, 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 September is also cheap. Prices for this month can be found on momondo for an average of $444.

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 $532 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 $451 on momondo.

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

You could potentially save up to 36% 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

Direct flights

None
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?

  • 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
JetBluePriceFrom $172Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,983 reviews
Search Delta flights
Sun Country AirPriceFrom $296Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $297Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SouthwestPriceFrom $361Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $576Free CancellationRating
8.0
11,098 reviews
Search Alaska Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

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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