Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Washington, D.C. from $89

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, D.C. departing on 10/23. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Washington, D.C.

Cheap round-trip flights

Southwest Logo
5:45 am - 7:20 amPWM-BWI
1h 35mnonstop
Southwest Logo
8:15 am - 9:50 amBWI-PWM
1h 35mnonstop
$177Southwest
Find Deal
Sat, Sep 13 - Tue, Sep 16
American Airlines Logo
5:36 am - 7:45 amPWM-DCA
2h 09mnonstop
American Airlines Logo
10:00 pm - 11:40 pmDCA-PWM
1h 40mnonstop
$177American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
6:00 am - 7:44 amPWM-DCA
1h 44mnonstop
American Airlines Logo
2:54 pm - 4:34 pmDCA-PWM
1h 40mnonstop
$183American Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 21
Southwest Logo
5:45 am - 7:20 amPWM-BWI
1h 35mnonstop
Southwest Logo
4:50 pm - 6:20 pmBWI-PWM
1h 30mnonstop
$186Southwest
Find Deal
Sat, Aug 23 - Tue, Aug 26
Delta Logo
6:00 am - 12:30 pmPWM-BWI
6h 30m1 stop
Delta Logo
4:39 pm - 12:03 amBWI-PWM
7h 24m1 stop
$187Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
United Airlines Logo
8:15 am - 9:58 amIAD-PWM
1h 43mnonstop
$189United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
Delta Logo
11:40 am - 6:10 pmPWM-BWI
6h 30m1 stop
Delta Logo
5:39 pm - 12:05 amBWI-PWM
6h 26m2 stops
$192Delta
Find Deal
Wed, Oct 22 - Sat, Oct 25
United Airlines Logo
5:35 am - 7:25 amPWM-IAD
1h 50mnonstop
United Airlines Logo
10:14 pm - 11:59 pmIAD-PWM
1h 45mnonstop
$199United Airlines
Find Deal
Thu, Aug 14 - Sat, Aug 16
JetBlue Logo
2:17 pm - 7:22 pmPWM-DCA
5h 05m1 stop
JetBlue Logo
6:19 am - 1:22 pmDCA-PWM
7h 03m1 stop
$209JetBlue
Find Deal
Fri, Sep 12 - Sun, Sep 14
JetBlue Logo
2:17 pm - 7:21 pmPWM-DCA
5h 04m1 stop
JetBlue Logo
6:25 am - 1:22 pmDCA-PWM
6h 57m1 stop
$242JetBlue
Find Deal
Thu, Oct 9 - Sun, Oct 12

Delta flights from Portland, Maine to Washington, D.C.

Our best Delta deals on Portland, Maine to Washington, D.C. flight tickets
Delta
Aug 26
PWM6:00 amPortland
6h 30m
1 stop
BWI12:30 pmBaltimore/Washington
Aug 30
BWI4:39 pmBaltimore/Washington
7h 24m
1 stop
PWM12:03 amPortland
$187
Find similar
Delta
Oct 22
PWM11:40 amPortland
6h 30m
1 stop
BWI6:10 pmBaltimore/Washington
Oct 25
BWI5:39 pmBaltimore/Washington
6h 26m
2 stops
PWM12:05 amPortland
$192
Find similar
Delta
Aug 28
PWM6:33 pmPortland
4h 44m
1 stop
BWI11:17 pmBaltimore/Washington
Sep 2
BWI4:39 pmBaltimore/Washington
7h 24m
1 stop
PWM12:03 amPortland
$196
Find similar

Southwest flights from Portland, Maine to Washington, D.C.

Our best Southwest deals on Portland, Maine to Washington, D.C. flight tickets
Southwest
Sep 13
PWM5:45 amPortland
1h 35m
BWI7:20 amBaltimore/Washington
Sep 16
BWI8:15 amBaltimore/Washington
1h 35m
PWM9:50 amPortland
$177
Find similar
Southwest
Aug 23
PWM5:45 amPortland
1h 35m
BWI7:20 amBaltimore/Washington
Aug 26
BWI4:50 pmBaltimore/Washington
1h 30m
PWM6:20 pmPortland
$186
Find similar
Southwest
Aug 28
PWM8:25 amPortland
1h 35m
BWI10:00 amBaltimore/Washington
Sep 4
BWI9:45 pmBaltimore/Washington
1h 35m
PWM11:20 pmPortland
$195
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Washington, D.C. 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 July 31, 2025.
Use the filters below to find and compare flights from Portland, Maine to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 9/13

5:45 am-7:20 am

Nonstop1h 35m

Baltimore/Washington

Tue 9/16

8:15 am-9:50 am

Nonstop1h 35m

$177

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 12/6

5:36 am-7:45 am

Nonstop2h 09m

Washington, D.C. Reagan-National

Wed 12/10

10:00 pm-11:40 pm

Nonstop1h 40m

$177

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 9/20

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 9/21

2:54 pm-4:34 pm

Nonstop1h 40m

$183

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 8/23

5:45 am-7:20 am

Nonstop1h 35m

Baltimore/Washington

Tue 8/26

4:50 pm-6:20 pm

Nonstop1h 30m

$186

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 8/26

6:00 am-12:30 pm

1 stop6h 30m

Baltimore/Washington

Sat 8/30

4:39 pm-12:03 am

1 stop7h 24m

$187

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Tue 8/26

7:26 pm-9:15 pm

Nonstop1h 49m

Washington, D.C. Dulles Intl

Tue 9/2

8:15 am-9:58 am

Nonstop1h 43m

$189

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 10/22

11:40 am-6:10 pm

1 stop6h 30m

Baltimore/Washington

Sat 10/25

5:39 pm-12:05 am

2 stops6h 26m

$192

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 8/14

5:35 am-7:25 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sat 8/16

10:14 pm-11:59 pm

Nonstop1h 45m

$199

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/12

2:17 pm-7:22 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Sun 9/14

6:19 am-1:22 pm

1 stop7h 03m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/9

2:17 pm-7:21 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Sun 10/12

6:25 am-1:22 pm

1 stop6h 57m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Portland, Maine to Washington, D.C.

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 Portland, Maine and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Portland, Maine, with most prices found around $238. If you’re not able to fly to Washington, D.C. in September, then January is your next best option. Flight prices from Portland, Maine to Washington, D.C. during January average around $243.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Portland, Maine is on a Friday. momondo users have found tickets for Friday departures for as low as $368. However, this price may fluctuate depending on the airline, the season, and holidays. 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 Washington, D.C. for around $495.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Portland, Maine to Washington, D.C. when you can find flight prices for as low as $381. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $445. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to Washington, D.C. flight route?

Fly from Portland to Baltimore/Washington for the best Portland - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Portland, Maine for as low as $277 on momondo.

What cabin class options are available on Portland to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Portland to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland, Maine to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Portland, Maine to Washington, D.C..

How have Portland, Maine to Washington, D.C. flight prices changed over time?

As of July 2025, prices for Portland, Maine to Washington, D.C. flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to Washington, D.C.

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

Cheap Portland, Maine to Washington, D.C. (PWM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Washington, D.C.

Best Price Found

$89

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Portland, Maine in the past 72 hours is $89. The best round-trip flight deal from Portland, Maine to Washington, D.C. found on momondo in the last 72 hours is $177.
The fastest flight from Portland, Maine to Washington, D.C. takes 1h 35m
Direct flights go from Portland, Maine to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • How far is Portland to Washington, D.C. by plane?

    The distance between Portland and Washington, D.C. is about 480.9 mi. Typically, this will take 1h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Washington, D.C.?

    Prices for flights from Portland Airport to Washington, D.C. refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Washington, D.C.?

  • How old do you have to be to fly from Portland Airport to Washington, D.C.?

    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 Portland Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland, Maine to Washington, D.C.?

  • What is the most popular airline from Portland, Maine to Washington, D.C.?

Best airlines flying from Portland, Maine to Washington, D.C.

Compare and see reviews for airlines that fly from Portland, Maine to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $194Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $245Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • United Airlines Flights From Portland, Maine to Washington, D.C.

    United Airlines operates around 14 flights from Portland, Maine to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $345, but momondo users have found United Airlines deals from Portland, Maine to Washington, D.C. from as low as $198 round-trip. United Airlines has been scored 7.4/10 in 8,900 reviews.

  • American Airlines Flights From Portland, Maine to Washington, D.C.

    American Airlines is also a popular choice for this route. American Airlines flight deals for Portland, Maine to Washington, D.C. start from as low as $189 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $396. American Airlines operates 12 flights to Washington, D.C. from Portland, Maine in an average week. Users have rated it 7.2/10 across 10,000 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Portland.

Can I find flights from Portland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Portland with this policy.

How can momondo help me find flights from Portland to Washington, D.C.?

Once all potential Portland to Washington, D.C. 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 Portland to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport