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Cheap flights from Seattle to Portland 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 Seattle to Portland departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:10 pm - 12:03 pmSEA-PWM
9h 53m1 stop
Delta Logo
2:35 pm - 10:25 pmPWM-SEA
10h 50m1 stop
$221Delta
Find Deal
Tue, Jan 27 - Tue, Feb 3
Delta Logo
6:05 am - 11:05 pmSEA-PWM
14h 00m2 stops
Delta Logo
2:35 pm - 10:16 pmPWM-SEA
10h 41m1 stop
$226Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
Delta Logo
8:00 am - 11:22 pmSEA-PWM
12h 22m2 stops
Delta Logo
12:20 pm - 12:09 amPWM-SEA
14h 49m2 stops
$231Delta
Find Deal
Tue, Jan 27 - Tue, Feb 3
Delta Logo
6:05 am - 4:15 pmSEA-PWM
7h 10m1 stop
Delta Logo
2:35 pm - 10:16 pmPWM-SEA
10h 41m1 stop
$248Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
12:25 pm - 11:20 pmSEA-PWM
7h 55m1 stop
United Airlines Logo
5:45 am - 11:49 amPWM-SEA
9h 04m1 stop
$255United Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
8:10 am - 6:54 pmSEA-PWM
7h 44m1 stop
United Airlines Logo
4:10 pm - 10:43 pmPWM-SEA
9h 33m1 stop
$263United Airlines
Find Deal
Sat, Jan 10 - Mon, Jan 26
Southwest Logo
6:25 am - 10:15 pmSEA-PWM
12h 50m2 stops
Southwest Logo
5:35 am - 10:50 pmPWM-SEA
20h 15m2 stops
$296Southwest
Find Deal
Tue, Feb 24 - Mon, Mar 2
American Airlines Logo
7:15 am - 11:49 pmSEA-PWM
13h 34m2 stops
American Airlines Logo
12:43 pm - 10:01 pmPWM-SEA
12h 18m1 stop
$312American Airlines
Find Deal
Tue, Feb 24 - Mon, Mar 2
American Airlines Logo
12:38 am - 3:27 pmSEA-PWM
11h 49m2 stops
American Airlines Logo
3:34 pm - 9:50 pmPWM-SEA
9h 16m1 stop
$339American Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 16
Southwest Logo
11:55 pm - 12:30 pmSEA-PWM
9h 35m2 stops
Southwest Logo
12:30 pm - 12:20 amPWM-SEA
14h 50m2 stops
$369Southwest
Find Deal
Fri, Mar 6 - Tue, Mar 10

Delta flights from Seattle to Portland, Maine

Our best Delta deals on Seattle to Portland, Maine flight tickets
Delta
Jan 27
SEA11:10 pmSeattle/Tacoma Intl
9h 53m
1 stop
PWM12:03 pmPortland
Feb 3
PWM2:35 pmPortland
10h 50m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
$221
Find similar
Delta
Mar 10
SEA6:05 amSeattle/Tacoma Intl
14h 00m
2 stops
PWM11:05 pmPortland
Mar 11
PWM2:35 pmPortland
10h 41m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$226
Find similar
Delta
Jan 27
SEA8:00 amSeattle/Tacoma Intl
12h 22m
2 stops
PWM11:22 pmPortland
Feb 3
PWM12:20 pmPortland
14h 49m
2 stops
SEA12:09 amSeattle/Tacoma Intl
$231
Find similar

United Airlines flights from Seattle to Portland, Maine

Our best United Airlines deals on Seattle to Portland, Maine flight tickets
United Airlines
Feb 20
SEA12:25 pmSeattle/Tacoma Intl
7h 55m
1 stop
PWM11:20 pmPortland
Feb 24
PWM5:45 amPortland
9h 04m
1 stop
SEA11:49 amSeattle/Tacoma Intl
$255
Find similar
United Airlines
Jan 10
SEA8:10 amSeattle/Tacoma Intl
7h 44m
1 stop
PWM6:54 pmPortland
Jan 26
PWM4:10 pmPortland
9h 33m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
$263
Find similar
United Airlines
Feb 19
SEA12:43 pmSeattle/Tacoma Intl
7h 37m
1 stop
PWM11:20 pmPortland
Feb 26
PWM3:05 pmPortland
11h 36m
1 stop
SEA11:41 pmSeattle/Tacoma Intl
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 November 10, 2025.
Use the filters below to find and compare flights from Seattle to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 1/27

11:10 pm-12:03 pm

1 stop9h 53m

Portland

Tue 2/3

2:35 pm-10:25 pm

1 stop10h 50m

$221

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 3/10

6:05 am-11:05 pm

2 stops14h 00m

Portland

Wed 3/11

2:35 pm-10:16 pm

1 stop10h 41m

$226

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 1/27

8:00 am-11:22 pm

2 stops12h 22m

Portland

Tue 2/3

12:20 pm-12:09 am

2 stops14h 49m

$231

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 3/10

6:05 am-4:15 pm

1 stop7h 10m

Portland

Wed 3/11

2:35 pm-10:16 pm

1 stop10h 41m

$248

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 2/20

12:25 pm-11:20 pm

1 stop7h 55m

Portland

Tue 2/24

5:45 am-11:49 am

1 stop9h 04m

$255

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Sat 1/10

8:10 am-6:54 pm

1 stop7h 44m

Portland

Mon 1/26

4:10 pm-10:43 pm

1 stop9h 33m

$263

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/24

6:25 am-10:15 pm

2 stops12h 50m

Portland

Mon 3/2

5:35 am-10:50 pm

2 stops20h 15m

$296

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/24

7:15 am-11:49 pm

2 stops13h 34m

Portland

Mon 3/2

12:43 pm-10:01 pm

1 stop12h 18m

$312

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Sun 12/7

12:38 am-3:27 pm

2 stops11h 49m

Portland

Tue 12/16

3:34 pm-9:50 pm

1 stop9h 16m

$339

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 3/6

11:55 pm-12:30 pm

2 stops9h 35m

Portland

Tue 3/10

12:30 pm-12:20 am

2 stops14h 50m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Seattle 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 Seattle 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 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle for as low as $451 on momondo.

Can stopping save me money on Seattle to Portland, Maine flights?

You could potentially save up to 36% on your flight if you consider stops on a Seattle to Portland, Maine flight.

How have Seattle to Portland, Maine flight prices changed over time?

As of November 2025, prices for Seattle to Portland, Maine flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Portland, Maine (SEA to PWM) flight deals and tips

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

Direct flights

None
There are no direct flights from Seattle to Portland, Maine. There are no popular flight routes from Seattle to Portland, Maine.
Search flight deals

  • How far is Seattle/Tacoma Intl to Portland by plane?

    A flight from Seattle/Tacoma Intl to Portland will travel around 2481.6 mi. Flights usually cover this in 7h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portland Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Portland Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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.

  • What is the most popular airline from Seattle to Portland, Maine?

Best airlines flying from Seattle to Portland, Maine

Compare and see reviews for airlines that fly from Seattle to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $172Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Sun Country AirPriceFrom $296Free CancellationRating
6.9
336 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $297Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,011 reviews
Search United Airlines flights
SouthwestPriceFrom $387Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $576Free CancellationRating
8.0
11,260 reviews
Search Alaska Airlines flights

Traveling to a place near Portland?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Portland. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Seattle 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 Seattle to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.
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