Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Boston 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 Washington, D.C. to Boston departing on 1/25. 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 Washington, D.C. to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 pm - 9:07 am
BWI
-
PWM
11h 12m1 stop
Multiple Airlines Logo
6:18 pm - 5:27 pm
PWM
-
BWI
23h 09m1 stop
$219Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Delta Logo
6:05 am - 12:08 pm
DCA
-
PWM
6h 03m1 stop
Delta Logo
6:17 am - 10:23 am
PWM
-
DCA
4h 06m1 stop
$239Delta
Tue, Jan 6 - Sat, Jan 10
American Airlines Logo
10:28 am - 12:06 pm
DCA
-
PWM
1h 38mnonstop
American Airlines Logo
12:40 pm - 4:50 pm
PWM
-
DCA
4h 10m1 stop
$243American Airlines
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
5:30 pm - 10:51 pm
DCA
-
PWM
5h 21m1 stop
American Airlines Logo
5:07 pm - 7:13 pm
PWM
-
DCA
2h 06mnonstop
$244American Airlines
Mon, Jan 5 - Tue, Jan 13
Delta Logo
7:49 pm - 12:20 am
IAD
-
PWM
4h 31m1 stop
Delta Logo
6:00 am - 4:46 pm
PWM
-
IAD
10h 46m2 stops
$244Delta
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
10:10 pm - 11:59 pm
IAD
-
PWM
1h 49mnonstop
United Airlines Logo
5:30 am - 7:22 am
PWM
-
IAD
1h 52mnonstop
$245United Airlines
Tue, May 12 - Sun, May 17
Multiple Airlines Logo
8:00 am - 10:22 am
BWI
-
PWM
26h 22m1 stop
Multiple Airlines Logo
11:02 am - 12:07 pm
PWM
-
BWI
25h 05m1 stop
$247Multiple Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
10:10 pm - 11:59 pm
IAD
-
PWM
1h 49mnonstop
United Airlines Logo
2:25 pm - 4:30 pm
PWM
-
IAD
2h 05mnonstop
$249United Airlines
Mon, May 11 - Wed, May 20
Southwest Logo
1:25 pm - 2:55 pm
BWI
-
PWM
1h 30mnonstop
Southwest Logo
3:30 pm - 5:15 pm
PWM
-
BWI
1h 45mnonstop
$261Southwest
Wed, Jan 21 - Wed, Jan 28
Southwest Logo
10:55 am - 12:25 pm
BWI
-
PWM
1h 30mnonstop
Southwest Logo
3:55 pm - 5:40 pm
PWM
-
BWI
1h 45mnonstop
$281Southwest
Thu, Jan 15 - Thu, Jan 15

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

Our best Delta deals on Washington, D.C. to Portland, Maine flight tickets
Delta
Jan 6
DCA6:05 amWashington, D.C. Reagan-National
6h 03m
1 stop
PWM12:08 pmPortland
Jan 10
PWM6:17 amPortland
4h 06m
1 stop
DCA10:23 amWashington, D.C. Reagan-National
$239
Find similar
Delta
Jan 6
IAD7:49 pmWashington, D.C. Dulles Intl
4h 31m
1 stop
PWM12:20 amPortland
Jan 10
PWM6:00 amPortland
10h 46m
2 stops
IAD4:46 pmWashington, D.C. Dulles Intl
$244
Find similar
Delta
Dec 31
DCA10:10 amWashington, D.C. Reagan-National
6h 22m
1 stop
PWM4:32 pmPortland
Jan 5
PWM5:57 pmPortland
5h 13m
1 stop
DCA11:10 pmWashington, D.C. Reagan-National
$252
Find similar

United Airlines flights from Washington, D.C. to Portland, Maine

Our best United Airlines deals on Washington, D.C. to Portland, Maine flight tickets
United Airlines
Dec 31
IAD5:10 pmWashington, D.C. Dulles Intl
1h 41m
PWM6:51 pmPortland
Jan 5
PWM6:46 pmPortland
4h 20m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
$242
Find similar
United Airlines
May 12
IAD10:10 pmWashington, D.C. Dulles Intl
1h 49m
PWM11:59 pmPortland
May 17
PWM5:30 amPortland
1h 52m
IAD7:22 amWashington, D.C. Dulles Intl
$245
Find similar
United Airlines
Jan 8
IAD12:46 pmWashington, D.C. Dulles Intl
1h 45m
PWM2:31 pmPortland
Jan 16
PWM2:31 pmPortland
1h 59m
IAD4:30 pmWashington, D.C. Dulles Intl
$248
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sun 2/1

9:55 pm-9:07 am

1 stop11h 12m

Portland

Wed 2/4

6:18 pm-5:27 pm

1 stop23h 09m

$219

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Tue 1/6

6:05 am-12:08 pm

1 stop6h 03m

Portland

Sat 1/10

6:17 am-10:23 am

1 stop4h 06m

$239

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Fri 1/23

10:28 am-12:06 pm

Nonstop1h 38m

Portland

Sun 1/25

12:40 pm-4:50 pm

1 stop4h 10m

$243

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Mon 1/5

5:30 pm-10:51 pm

1 stop5h 21m

Portland

Tue 1/13

5:07 pm-7:13 pm

Nonstop2h 06m

$244

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 1/6

7:49 pm-12:20 am

1 stop4h 31m

Portland

Sat 1/10

6:00 am-4:46 pm

2 stops10h 46m

$244

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 5/12

10:10 pm-11:59 pm

Nonstop1h 49m

Portland

Sun 5/17

5:30 am-7:22 am

Nonstop1h 52m

$245

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Tue 1/6

8:00 am-10:22 am

1 stop26h 22m

Portland

Sat 1/10

11:02 am-12:07 pm

1 stop25h 05m

$247

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Mon 5/11

10:10 pm-11:59 pm

Nonstop1h 49m

Portland

Wed 5/20

2:25 pm-4:30 pm

Nonstop2h 05m

$249

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Wed 1/21

1:25 pm-2:55 pm

Nonstop1h 30m

Portland

Wed 1/28

3:30 pm-5:15 pm

Nonstop1h 45m

$261

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Thu 1/15

10:55 am-12:25 pm

Nonstop1h 30m

Portland

Thu 1/15

3:55 pm-5:40 pm

Nonstop1h 45m

$281

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Boston from

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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Washington, D.C. is in January. Flight prices, which tend to average around $271, 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 April is also cheap. Prices for this month can be found on momondo for an average of $278.

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 Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $288. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $375.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from Washington, D.C. to Portland, Maine when you can find flight prices for as low as $303. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $381. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Washington, D.C. Reagan-National to Portland for the best Washington, D.C. - Portland flight prices

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Washington, D.C. for as low as $230 on momondo.

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

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

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

As of December 2025, prices for Washington, D.C. to Portland, Maine flights are approximately 38% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$169

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Washington, D.C. in the past 72 hours is $169. The best round-trip flight deal from Washington, D.C. to Portland, Maine found on momondo in the last 72 hours is $264.
The fastest flight from Washington, D.C. to Portland, Maine takes 1h 30m
Direct flights go from Washington, D.C. to Portland, Maine every day.
There is 1 airport in Portland, Maine. From Washington, D.C. there are direct flights to Portland (PWM).
Search flight deals

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

    The distance between Washington, D.C. and Portland is about 480.9 mi. A reasonable flight in good conditions will take 1h 30m.

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

    Prices for flights from Washington, D.C. to Portland Airport are refreshed on a daily basis.

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

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

    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 Washington, D.C. to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport 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 Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
SouthwestPriceFrom $244Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

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

    United Airlines is one of the most popular airlines flying from Washington, D.C. to Portland, Maine, operating 25 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. to Portland, Maine starts from $208 round-trip, up to an average price of $367. Our users have rated United Airlines at 7.4/10.

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

    American Airlines (7.2/10 from 11,054 reviews) operates around 13 flights from Washington, D.C. to Portland, Maine in any given week. The average American Airlines airfare for this route is around $414, with deals from around $189 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to Portland, Maine flight searches in the last 72 hours.

Traveling to a place near Boston?

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

Why use momondo?

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

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

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

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

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

momondo helps you find the best flight between Washington, D.C. and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Portland from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/22
Thu 1/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States