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Cheap flights from Seattle to Portland from $188

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 12:11 pmSEA  Seattle/Tacoma Intl-PWM Portland
9h 12m1 stop Chicago O'Hare Intl
American Airlines Logo
5:45 pm - 12:36 amPWM  Portland-SEA Seattle/Tacoma Intl
9h 51m1 stop Chicago O'Hare Intl
$375American Airlines
Tue, Oct 20 - Tue, Oct 27
American Airlines Logo
10:31 am - 11:40 pmSEA  Seattle/Tacoma Intl-PWM Portland
10h 09m1 stop Chicago O'Hare Intl
American Airlines Logo
1:05 pm - 8:14 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 09m1 stop Chicago O'Hare Intl
$375American Airlines
Wed, Oct 28 - Sat, Oct 31
Delta Logo
6:00 am - 4:13 pmSEA  Seattle/Tacoma Intl-PWM Portland
7h 13m1 stop Detroit Metropolitan Wayne County
Delta Logo
2:35 pm - 10:02 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 27m1 stop New York John F Kennedy Intl
$375Delta
Tue, Mar 23 - Tue, Mar 30
Delta Logo
11:05 pm - 11:53 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 48m1 stop Detroit Metropolitan Wayne County
Delta Logo
2:35 pm - 10:02 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 27m1 stop New York John F Kennedy Intl
$375Delta
Tue, Jan 12 - Sat, Jan 16
United Airlines Logo
5:05 am - 4:02 pmSEA  Seattle/Tacoma Intl-PWM Portland
7h 57m1 stop Denver Intl
United Airlines Logo
5:08 pm - 11:07 pmPWM  Portland-SEA Seattle/Tacoma Intl
8h 59m1 stop Chicago O'Hare Intl
$380United Airlines
Wed, Nov 11 - Mon, Nov 16
United Airlines Logo
10:48 pm - 9:08 amSEA  Seattle/Tacoma Intl-PWM Portland
7h 20m1 stop Newark
United Airlines Logo
5:50 am - 3:32 pmPWM  Portland-SEA Seattle/Tacoma Intl
12h 42m2 stops Newark Chicago O'Hare Intl
$380United Airlines
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
6:10 am - 9:50 pmSEA  Seattle/Tacoma Intl-PWM Portland
12h 40m2 stops Denver Intl Baltimore/Washington
Southwest Logo
12:45 pm - 11:35 pmPWM  Portland-SEA Seattle/Tacoma Intl
13h 50m2 stops Baltimore/Washington Chicago Midway
$385Southwest
Wed, Nov 11 - Tue, Nov 17
Southwest Logo
12:10 am - 3:30 pmSEA  Seattle/Tacoma Intl-PWM Portland
12h 20m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
12:45 pm - 11:30 pmPWM  Portland-SEA Seattle/Tacoma Intl
13h 45m2 stops Baltimore/Washington Chicago Midway
$385Southwest
Tue, Oct 27 - Tue, Nov 3
Alaska Airlines Logo
9:36 am - 9:51 amSEA  Seattle/Tacoma Intl-PWM Portland
21h 15m1 stop Philadelphia
Alaska Airlines Logo
12:35 pm - 4:37 pmPWM  Portland-SEA Seattle/Tacoma Intl
31h 02m2 stops Chicago O'Hare Intl San Diego
$714Alaska Airlines
Fri, Nov 27 - Tue, Dec 1
Alaska Airlines Logo
6:00 am - 10:39 pmSEA  Seattle/Tacoma Intl-PWM Portland
13h 39m2 stops Los Angeles Washington, D.C. Reagan-National
Alaska Airlines Logo
12:35 pm - 2:13 pmPWM  Portland-SEA Seattle/Tacoma Intl
28h 38m2 stops Chicago O'Hare Intl San Diego
$720Alaska Airlines
Wed, Nov 25 - Tue, Dec 1

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Southwest flights from Seattle to Portland, Maine

Our best Southwest deals on Seattle to Portland, Maine flight tickets
Southwest
Dec 7
SEA6:30 pmSeattle/Tacoma Intl
12h 20m
2 stops
PWM9:50 amPortland
Dec 14
PWM12:45 pmPortland
13h 45m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$395
Southwest
Dec 30
SEA12:15 amSeattle/Tacoma Intl
11h 30m
2 stops
PWM2:45 pmPortland
Jan 6
PWM5:35 amPortland
14h 30m
2 stops
SEA5:05 pmSeattle/Tacoma Intl
$439
Southwest
Nov 22
SEA6:25 pmSeattle/Tacoma Intl
13h 05m
2 stops
PWM10:30 amPortland
Nov 26
PWM5:15 amPortland
15h 25m
2 stops
SEA5:40 pmSeattle/Tacoma Intl
$462

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Oct 9
SEA12:49 pmSeattle/Tacoma Intl
7h 47m
1 stop
PWM11:36 pmPortland
Oct 20
PWM5:30 amPortland
9h 25m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$641
American Airlines
Sep 30
SEA6:15 amSeattle/Tacoma Intl
7h 39m
1 stop
PWM4:54 pmPortland
Oct 4
PWM6:36 amPortland
11h 15m
1 stop
SEA2:51 pmSeattle/Tacoma Intl
$646
American Airlines
Oct 8
SEA12:49 pmSeattle/Tacoma Intl
7h 47m
1 stop
PWM11:36 pmPortland
Oct 16
PWM5:30 amPortland
9h 09m
1 stop
SEA11:39 amSeattle/Tacoma Intl
$653

momondo Fare Finder

 
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 Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 10/20

11:59 pm-12:11 pm

1 stop9h 12m

Portland

Tue 10/27

5:45 pm-12:36 am

1 stop9h 51m

$375

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 10/28

10:31 am-11:40 pm

1 stop10h 09m

Portland

Sat 10/31

1:05 pm-8:14 pm

1 stop10h 09m

$375

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 3/23

6:00 am-4:13 pm

1 stop7h 13m

Portland

Tue 3/30

2:35 pm-10:02 pm

1 stop10h 27m

$375

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 1/12

11:05 pm-11:53 am

1 stop9h 48m

Portland

Sat 1/16

2:35 pm-10:02 pm

1 stop10h 27m

$375
Quickest round-trip

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 11/11

5:05 am-4:02 pm

1 stop7h 57m

Portland

Mon 11/16

5:08 pm-11:07 pm

1 stop8h 59m

$380

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 10/20

10:48 pm-9:08 am

1 stop7h 20m

Portland

Tue 10/27

5:50 am-3:32 pm

2 stops12h 42m

$380

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 11/11

6:10 am-9:50 pm

2 stops12h 40m

Portland

Tue 11/17

12:45 pm-11:35 pm

2 stops13h 50m

$385

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 10/27

12:10 am-3:30 pm

2 stops12h 20m

Portland

Tue 11/3

12:45 pm-11:30 pm

2 stops13h 45m

$385

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Fri 11/27

9:36 am-9:51 am

1 stop21h 15m

Portland

Tue 12/1

12:35 pm-4:37 pm

2 stops31h 02m

$714

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 11/25

6:00 am-10:39 pm

2 stops13h 39m

Portland

Tue 12/1

12:35 pm-2:13 pm

2 stops28h 38m

$720

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $373 to $598.
The lowest price recently found on this route was $375.

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 $297, 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 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 $510 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 $355 on momondo.

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

As of September 2026, prices for Seattle to Portland, Maine flights are approximately 2% 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

Best Price Found

$188

Fastest flight time

6h 55m

Direct flights

None
The best one-way flight to Portland, Maine from Seattle in the past 72 hours is $188. The best round-trip flight deal from Seattle to Portland, Maine found on momondo in the last 72 hours is $375.
The fastest flight from Seattle to Portland, Maine takes 6h 55m
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 6h 55m, 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
DeltaPriceFrom $221Free CancellationRating
7.8
8,603 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
10,238 reviews
Search United Airlines flights
American AirlinesPriceFrom $280Free CancellationRating
7.0
12,089 reviews
Search American Airlines flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,199 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
Jackson
Boothbay Harbor
Brunswick
Lewiston
Freeport
Auburn
Conway
Bartlett
Gorham
Bath
Windham
Intervale
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.

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