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Cheap flights from Seattle to Portland from $125

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 8/12. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:50 am - 5:32 pm
SEA
-
PWM
8h 42m
1 stop
American Airlines Logo
3:06 pm - 10:56 pm
PWM
-
SEA
10h 50m
1 stop
$273American Airlines
Tue, Sep 1 - Sat, Sep 5
American Airlines Logo
5:00 am - 6:53 pm
SEA
-
PWM
10h 53m
1 stop
American Airlines Logo
4:07 pm - 12:13 am
PWM
-
SEA
11h 06m
1 stop
$347American Airlines
Mon, Aug 24 - Sat, Aug 29
American Airlines Logo
5:10 am - 6:06 pm
SEA
-
PWM
9h 56m
2 stops
American Airlines Logo
4:07 pm - 12:13 am
PWM
-
SEA
11h 06m
1 stop
$366American Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
9:10 am - 11:13 pm
SEA
-
PWM
11h 03m
1 stop
Delta Logo
12:47 pm - 6:45 pm
PWM
-
SEA
8h 58m
1 stop
$368Delta
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
11:56 pm - 12:40 pm
SEA
-
PWM
9h 44m
2 stops
American Airlines Logo
6:09 pm - 11:59 pm
PWM
-
SEA
8h 50m
1 stop
$380American Airlines
Tue, Aug 11 - Tue, Aug 25
Delta Logo
11:59 pm - 10:43 am
SEA
-
PWM
7h 44m
1 stop
Delta Logo
2:59 pm - 11:08 pm
PWM
-
SEA
11h 09m
1 stop
$381Delta
Mon, Jun 8 - Mon, Jun 15
American Airlines Logo
11:56 pm - 12:40 pm
SEA
-
PWM
9h 44m
2 stops
American Airlines Logo
7:22 am - 4:20 pm
PWM
-
SEA
11h 58m
1 stop
$382American Airlines
Tue, Aug 11 - Tue, Aug 25
American Airlines Logo
8:10 am - 9:21 pm
SEA
-
PWM
10h 11m
1 stop
American Airlines Logo
7:22 am - 4:20 pm
PWM
-
SEA
11h 58m
1 stop
$389American Airlines
Tue, Aug 11 - Tue, Aug 25
American Airlines Logo
11:56 pm - 12:40 pm
SEA
-
PWM
9h 44m
2 stops
American Airlines Logo
7:22 am - 4:20 pm
PWM
-
SEA
11h 58m
1 stop
$392American Airlines
Tue, Aug 11 - Tue, Aug 25
American Airlines Logo
11:56 pm - 12:40 pm
SEA
-
PWM
9h 44m
2 stops
American Airlines Logo
7:22 am - 4:20 pm
PWM
-
SEA
11h 58m
1 stop
$396American Airlines
Tue, Aug 11 - Tue, Aug 25

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Sep 1
SEA5:50 amSeattle/Tacoma Intl
8h 42m
1 stop
PWM5:32 pmPortland
Sep 5
PWM3:06 pmPortland
10h 50m
1 stop
SEA10:56 pmSeattle/Tacoma Intl
$273
American Airlines
Aug 24
SEA5:00 amSeattle/Tacoma Intl
10h 53m
1 stop
PWM6:53 pmPortland
Aug 29
PWM4:07 pmPortland
11h 06m
1 stop
SEA12:13 amSeattle/Tacoma Intl
$347
American Airlines
Sep 1
SEA5:10 amSeattle/Tacoma Intl
9h 56m
2 stops
PWM6:06 pmPortland
Sep 5
PWM4:07 pmPortland
11h 06m
1 stop
SEA12:13 amSeattle/Tacoma Intl
$366

United Airlines flights from Seattle to Portland, Maine

Our best United Airlines deals on Seattle to Portland, Maine flight tickets
United Airlines
Jun 6
SEA10:52 amSeattle/Tacoma Intl
9h 59m
2 stops
PWM11:51 pmPortland
Jun 13
PWM6:00 amPortland
8h 38m
1 stop
SEA11:38 amSeattle/Tacoma Intl
$447
United Airlines
Jun 10
SEA8:00 amSeattle/Tacoma Intl
8h 27m
1 stop
PWM7:27 pmPortland
Jun 13
PWM10:55 amPortland
11h 41m
1 stop
SEA7:36 pmSeattle/Tacoma Intl
$451
United Airlines
Jun 6
SEA8:56 amSeattle/Tacoma Intl
9h 55m
2 stops
PWM9:51 pmPortland
Jun 7
PWM5:50 amPortland
9h 07m
1 stop
SEA11:57 amSeattle/Tacoma Intl
$452

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 June 4, 2026.
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

Cheapest round-trip

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 9/1

5:50 am-5:32 pm

1 stop8h 42m

Portland

Sat 9/5

3:06 pm-10:56 pm

1 stop10h 50m

$273

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 8/24

5:00 am-6:53 pm

1 stop10h 53m

Portland

Sat 8/29

4:07 pm-12:13 am

1 stop11h 06m

$347

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 9/1

5:10 am-6:06 pm

2 stops9h 56m

Portland

Sat 9/5

4:07 pm-12:13 am

1 stop11h 06m

$366

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 8/20

9:10 am-11:13 pm

1 stop11h 03m

Portland

Tue 8/25

12:47 pm-6:45 pm

1 stop8h 58m

$368
Quickest round-trip

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 8/11

11:56 pm-12:40 pm

2 stops9h 44m

Portland

Tue 8/25

6:09 pm-11:59 pm

1 stop8h 50m

$380

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 6/8

11:59 pm-10:43 am

1 stop7h 44m

Portland

Mon 6/15

2:59 pm-11:08 pm

1 stop11h 09m

$381

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 8/11

11:56 pm-12:40 pm

2 stops9h 44m

Portland

Tue 8/25

7:22 am-4:20 pm

1 stop11h 58m

$382

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 8/11

8:10 am-9:21 pm

1 stop10h 11m

Portland

Tue 8/25

7:22 am-4:20 pm

1 stop11h 58m

$389

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 8/11

11:56 pm-12:40 pm

2 stops9h 44m

Portland

Tue 8/25

7:22 am-4:20 pm

1 stop11h 58m

$392

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 8/11

11:56 pm-12:40 pm

2 stops9h 44m

Portland

Tue 8/25

7:22 am-4:20 pm

1 stop11h 58m

$396

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 typical price of a round-trip flight between Seattle and Portland, Maine?

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 $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 September is also cheap. Prices for this month can be found on momondo for an average of $420.

How far in advance should I book a flight from Seattle 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 $502 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 $349 on momondo.

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

As of June 2026, prices for Seattle to Portland, Maine flights are approximately 28% more expensive 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

Fastest flight time

7h 46m

Direct flights

None
The fastest flight from Seattle to Portland, Maine takes 7h 46m
There are no direct flights from Seattle to Portland, Maine. There are no popular flight routes from Seattle to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Seattle to Portland, Maine

  • 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 46m, 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 $140Free CancellationRating
7.1
2,982 reviews
Search JetBlue flights
DeltaPriceFrom $221Free CancellationRating
7.8
8,396 reviews
Search Delta flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
9,774 reviews
Search United Airlines flights
American AirlinesPriceFrom $280Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $320Free CancellationRating
7.9
12,466 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $387Free CancellationRating
8.0
4,255 reviews
Search Southwest 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
Lewiston
Freeport
Conway
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
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

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