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Cheap flights from Portland, Maine to Washington 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 Portland, Maine to Washington departing on 11/8. 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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Find the cheapest flights from Portland, Maine to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:30 pm - 10:25 pmPWM-SEA
10h 55m1 stop
Delta Logo
11:27 am - 11:54 pmSEA-PWM
9h 27m1 stop
$221Delta
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
2:30 pm - 10:25 pmPWM-SEA
10h 55m1 stop
Delta Logo
11:10 pm - 4:00 pmSEA-PWM
13h 50m2 stops
$226Delta
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
3:20 pm - 11:10 pmPWM-SEA
10h 50m1 stop
United Airlines Logo
5:05 am - 3:49 pmSEA-PWM
7h 44m1 stop
$277United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
6:10 am - 12:39 pmPWM-SEA
9h 29m1 stop
United Airlines Logo
7:13 pm - 10:04 amSEA-PWM
11h 51m2 stops
$282United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
American Airlines Logo
12:23 pm - 11:25 pmPWM-SEA
14h 02m2 stops
American Airlines Logo
10:58 pm - 12:11 pmSEA-PWM
10h 13m1 stop
$315American Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
American Airlines Logo
12:23 pm - 11:25 pmPWM-SEA
14h 02m2 stops
American Airlines Logo
10:07 pm - 11:37 amSEA-PWM
10h 30m2 stops
$320American Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Alaska Airlines Logo
12:26 pm - 11:32 pmPWM-SEA
14h 06m2 stops
Alaska Airlines Logo
8:05 am - 11:59 pmSEA-PWM
12h 54m2 stops
$331Alaska Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Southwest Logo
12:45 pm - 10:55 pmPWM-SEA
13h 10m2 stops
Southwest Logo
9:35 am - 10:15 pmSEA-PWM
9h 40m2 stops
$355Southwest
Find Deal
Thu, Dec 11 - Wed, Dec 17
Southwest Logo
5:30 am - 5:50 pmPWM-PDX
15h 20m2 stops
Southwest Logo
6:00 am - 9:55 pmPDX-PWM
12h 55m2 stops
$427Southwest
Find Deal
Tue, Dec 2 - Sat, Dec 6
Alaska Airlines Logo
12:46 pm - 8:11 pmPWM-PDX
10h 25m1 stop
Alaska Airlines Logo
8:02 am - 9:37 pmPDX-PWM
10h 35m1 stop
$722Alaska Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 17

Delta flights from Portland, Maine to State of Washington

Our best Delta deals on Portland, Maine to State of Washington flight tickets
Delta
Nov 12
PWM2:30 pmPortland
10h 55m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
Nov 17
SEA11:27 amSeattle/Tacoma Intl
9h 27m
1 stop
PWM11:54 pmPortland
$221
Find similar
Delta
Nov 12
PWM2:30 pmPortland
10h 55m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
Nov 17
SEA11:10 pmSeattle/Tacoma Intl
13h 50m
2 stops
PWM4:00 pmPortland
$226
Find similar
Delta
Nov 12
PWM1:25 pmPortland
12h 55m
2 stops
SEA11:20 pmSeattle/Tacoma Intl
Nov 18
SEA6:00 amSeattle/Tacoma Intl
14h 54m
2 stops
PWM11:54 pmPortland
$231
Find similar

United Airlines flights from Portland, Maine to State of Washington

Our best United Airlines deals on Portland, Maine to State of Washington flight tickets
United Airlines
Nov 14
PWM3:20 pmPortland
10h 50m
1 stop
SEA11:10 pmSeattle/Tacoma Intl
Nov 16
SEA5:05 amSeattle/Tacoma Intl
7h 44m
1 stop
PWM3:49 pmPortland
$277
Find similar
United Airlines
Nov 14
PWM6:10 amPortland
9h 29m
1 stop
SEA12:39 pmSeattle/Tacoma Intl
Nov 16
SEA7:13 pmSeattle/Tacoma Intl
11h 51m
2 stops
PWM10:04 amPortland
$282
Find similar
United Airlines
Nov 11
PWM3:20 pmPortland
10h 26m
1 stop
SEA10:46 pmSeattle/Tacoma Intl
Nov 16
SEA5:05 amSeattle/Tacoma Intl
7h 44m
1 stop
PWM3:49 pmPortland
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to State of Washington 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 3, 2025.
Use the filters below to find and compare flights from Portland, Maine to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Wed 11/12

2:30 pm-10:25 pm

1 stop10h 55m

Seattle/Tacoma Intl

Mon 11/17

11:27 am-11:54 pm

1 stop9h 27m

$221

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Wed 11/12

2:30 pm-10:25 pm

1 stop10h 55m

Seattle/Tacoma Intl

Mon 11/17

11:10 pm-4:00 pm

2 stops13h 50m

$226

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 11/14

3:20 pm-11:10 pm

1 stop10h 50m

Seattle/Tacoma Intl

Sun 11/16

5:05 am-3:49 pm

1 stop7h 44m

$277

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 11/14

6:10 am-12:39 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sun 11/16

7:13 pm-10:04 am

2 stops11h 51m

$282

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 12/5

12:23 pm-11:25 pm

2 stops14h 02m

Seattle/Tacoma Intl

Sun 12/7

10:58 pm-12:11 pm

1 stop10h 13m

$315

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 12/5

12:23 pm-11:25 pm

2 stops14h 02m

Seattle/Tacoma Intl

Sun 12/7

10:07 pm-11:37 am

2 stops10h 30m

$320

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Wed 11/12

12:26 pm-11:32 pm

2 stops14h 06m

Seattle/Tacoma Intl

Tue 11/18

8:05 am-11:59 pm

2 stops12h 54m

$331

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 12/11

12:45 pm-10:55 pm

2 stops13h 10m

Seattle/Tacoma Intl

Wed 12/17

9:35 am-10:15 pm

2 stops9h 40m

$355

PortlandPortland

PWM - PDX

PWMPDX

Portland

Tue 12/2

5:30 am-5:50 pm

2 stops15h 20m

Portland

Sat 12/6

6:00 am-9:55 pm

2 stops12h 55m

$427

PortlandPortland

PWM - PDX

PWMPDX

Portland

Thu 1/15

12:46 pm-8:11 pm

1 stop10h 25m

Portland

Sat 1/17

8:02 am-9:37 pm

1 stop10h 35m

$722

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 Washington from

How to get the cheapest flight ticket from Portland, Maine to State of Washington

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 State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Portland, Maine, with most prices found around $415. If you aren’t able to travel to State of Washington 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 $417.

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

The cheapest day to depart from Portland, Maine to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $516. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to State of Washington for around $684.

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

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $506. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $606 on average. Flights to State of Washington from Portland, Maine in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $503 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Portland, Maine for as low as $401 on momondo.

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

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

Cheap Portland, Maine to State of Washington flight deals and tips

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

Direct flights

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

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

    Prices for flights from Portland Airport to Washington are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland, Maine to State of Washington

Compare and see reviews for airlines that fly from Portland, Maine to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $240Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom $259Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Sun Country AirPriceFrom $304Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,238 reviews
Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington from Portland which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Portland to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Washington from Portland. 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 State of Washington trip

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