How many flights depart from Portland, Maine to Washington, D.C. on average per day?

As of March 2026, 8 flights take off from Portland, Maine and land in Washington, D.C. each day. The most common flight departure time for this route is 9:00AM, with 54% of daily flights taking off at noon.

How many flights depart from Portland, Maine to Washington, D.C. on average per week?

The number of flights available between Portland, Maine and Washington, D.C. is 56 per week as of March 2026. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.

What is the cheapest airline that flies from Portland to Washington, D.C.?

United Airlines, Delta, and Southwest are the most popular carriers operating from Portland to Washington, D.C.

What airlines fly to Washington, D.C.?

American Airlines, JetBlue and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Portland, Maine according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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.?

The number of operators available for flights from Portland Airport to Washington, D.C. is 4 as of March 2026.

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.

$108 Cheap Flights from Portland to Washington, D.C. in 2026

Q: What is the typical price of a round-trip flight between Portland, Maine and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from $396 to $262. The lowest price recently found on this route was $232.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:54 am - 12:49 pm

PWM

DCA

1h 55mnonstop

3:00 pm - 9:54 am

DCA

PWM

18h 54m

1 stop

$232American Airlines

Sat, May 16 - Sat, May 16

6:30 am - 12:05 pm

PWM

IAD

5h 35m

1 stop

6:50 pm - 12:46 am

IAD

PWM

5h 56m

1 stop

$235Delta

Wed, Apr 15 - Wed, Apr 29

4:43 pm - 10:50 pm

PWM

DCA

6h 07m

1 stop

6:05 am - 11:02 am

DCA

PWM

4h 57m

1 stop

$235Delta

Tue, Apr 21 - Wed, Apr 22

7:12 pm - 11:25 pm

PWM

IAD

4h 13m

1 stop

10:10 pm - 11:59 pm

IAD

PWM

1h 49mnonstop

$242United Airlines

Wed, Apr 15 - Sun, May 3

7:16 pm - 9:14 pm

PWM

IAD

1h 58mnonstop

10:10 pm - 11:51 pm

IAD

PWM

1h 41mnonstop

$249United Airlines

Fri, May 29 - Tue, Jun 2

2:36 pm - 10:59 pm

PWM

DCA

8h 23m

1 stop

6:00 am - 1:35 pm

DCA

PWM

7h 35m

1 stop

$258JetBlue

Thu, May 28 - Mon, Jun 1

3:10 pm - 4:55 pm

PWM

BWI

1h 45mnonstop

9:20 pm - 10:55 pm

BWI

PWM

1h 35mnonstop

$277Southwest

Fri, Jun 5 - Tue, Jun 9

9:52 am - 9:15 am

PWM

BWI

23h 23m

1 stop

8:17 pm - 4:16 pm

BWI

PWM

19h 59m

2 stops

$278Multiple Airlines

Fri, Jun 5 - Tue, Jun 9

9:52 am - 9:15 am

PWM

BWI

23h 23m

1 stop

8:17 pm - 10:27 am

BWI

PWM

14h 10m

1 stop

$288Multiple Airlines

Fri, Jun 5 - Tue, Jun 9

3:55 pm - 5:40 pm

PWM

BWI

1h 45mnonstop

10:50 am - 12:20 pm

BWI

PWM

1h 30mnonstop

$294Southwest

Wed, Apr 29 - Tue, May 5

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

Our best United Airlines deals on Portland, Maine to Washington, D.C. flight tickets

United Airlines

Apr 15

PWM7:12 pmPortland

4h 13m

1 stop

IAD11:25 pmWashington, D.C. Dulles Intl

May 3

IAD10:10 pmWashington, D.C. Dulles Intl

1h 49m

PWM11:59 pmPortland

$242

United Airlines

May 29

PWM7:16 pmPortland

1h 58m

IAD9:14 pmWashington, D.C. Dulles Intl

Jun 2

IAD10:10 pmWashington, D.C. Dulles Intl

1h 41m

PWM11:51 pmPortland

$249

United Airlines

May 29

PWM6:00 amPortland

5h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

Jun 2

IAD10:10 pmWashington, D.C. Dulles Intl

1h 41m

PWM11:51 pmPortland

$259

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

Our best Delta deals on Portland, Maine to Washington, D.C. flight tickets

Delta

Apr 15

PWM6:30 amPortland

5h 35m

1 stop

IAD12:05 pmWashington, D.C. Dulles Intl

Apr 29

IAD6:50 pmWashington, D.C. Dulles Intl

5h 56m

1 stop

PWM12:46 amPortland

$235

Delta

Apr 15

PWM6:30 amPortland

3h 49m

1 stop

DCA10:19 amWashington, D.C. Reagan-National

Apr 29

DCA2:34 pmWashington, D.C. Reagan-National

10h 12m

2 stops

PWM12:46 amPortland

$240

Delta

Apr 22

PWM6:30 amPortland

7h 24m

2 stops

DCA1:54 pmWashington, D.C. Reagan-National

Apr 29

DCA2:34 pmWashington, D.C. Reagan-National

10h 12m

2 stops

PWM12:46 amPortland

$245

momondo Fare Finder

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

Cheapest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 5/16

10:54 am-12:49 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Sat 5/16

3:00 pm-9:54 am

1 stop18h 54m

$232

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 4/15

6:30 am-12:05 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Wed 4/29

6:50 pm-12:46 am

1 stop5h 56m

$235

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 4/21

4:43 pm-10:50 pm

1 stop6h 07m

Washington, D.C. Reagan-National

Wed 4/22

6:05 am-11:02 am

1 stop4h 57m

$235

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 4/15

7:12 pm-11:25 pm

1 stop4h 13m

Washington, D.C. Dulles Intl

Sun 5/3

10:10 pm-11:59 pm

Nonstop1h 49m

$242

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 5/29

7:16 pm-9:14 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Tue 6/2

10:10 pm-11:51 pm

Nonstop1h 41m

$249

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 5/28

2:36 pm-10:59 pm

1 stop8h 23m

Washington, D.C. Reagan-National

Mon 6/1

6:00 am-1:35 pm

1 stop7h 35m

$258

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 6/5

3:10 pm-4:55 pm

Nonstop1h 45m

Baltimore/Washington

Tue 6/9

9:20 pm-10:55 pm

Nonstop1h 35m

$277

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 6/5

9:52 am-9:15 am

1 stop23h 23m

Baltimore/Washington

Tue 6/9

8:17 pm-4:16 pm

2 stops19h 59m

$278

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 6/5

9:52 am-9:15 am

1 stop23h 23m

Baltimore/Washington

Tue 6/9

8:17 pm-10:27 am

1 stop14h 10m

$288

Quickest round-trip

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 4/29

3:55 pm-5:40 pm

Nonstop1h 45m

Baltimore/Washington

Tue 5/5

10:50 am-12:20 pm

Nonstop1h 30m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 February is, on average, the cheapest month to fly to Washington, D.C. from Portland, Maine, with most prices found around $234. If you’re not able to fly to Washington, D.C. in February, then September is your next best option. Flight prices from Portland, Maine to Washington, D.C. during September average around $237.

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 $357. 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 $503.

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 $372. 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 at noon because they tend to be around $457. 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 Washington, D.C. Reagan-National 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 $322 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 $189 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 March 2026, prices for Portland, Maine to Washington, D.C. flights are approximately 66% 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	$189
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Portland, Maine in the past 72 hours is $189. The best round-trip flight deal from Portland, Maine to Washington, D.C. found on momondo in the last 72 hours is $327.

The fastest flight from Portland, Maine to Washington, D.C. takes 1h 40m

Direct flights go from Portland, Maine to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Portland, Maine there are direct flights to 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 40m 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.?
The number of operators available for flights from Portland Airport to Washington, D.C. is 4 as of March 2026.
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.?
momondo data reveals that the most frequently booked plane model on the route from Portland, Maine to Washington, D.C. is Canadair (Bombardier) Regional Jet CRJ-550, representing 14.11% of all bookings. The subsequent popular models are Airbus A319 at 12.13%, Canadair (Bombardier) Regional Jet 900 at 11.08%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.72%.
What is the most popular airline from Portland, Maine to Washington, D.C.?
Based on momondo bookings for flights between Portland, Maine and Washington, D.C., the leading airline is American Airlines, making up 66% of the total bookings. Other popular airlines include United Airlines with 28% and Southwest with 6%.

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
Delta	PriceFrom $176	Free Cancellation	Rating 7.9 8,331 reviews	Search Delta flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,495 reviews	Search American Airlines flights
United Airlines	PriceFrom $202	Free Cancellation	Rating 7.4 9,483 reviews	Search United Airlines flights
Southwest	PriceFrom $248	Free Cancellation	Rating 8.0 4,333 reviews	Search Southwest flights

United Airlines Flights From Portland, Maine to Washington, D.C.
United Airlines operates around 8 flights from Portland, Maine to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $344, but momondo users have found United Airlines deals from Portland, Maine to Washington, D.C. from as low as $202 round-trip. United Airlines has been scored 7.4/10 in 9,483 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 $326. American Airlines operates 15 flights to Washington, D.C. from Portland, Maine in an average week. Users have rated it 7.1/10 across 11,495 reviews.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

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.

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Portland, Maine to Washington, D.C. from $108

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Our best United Airlines deals on Portland, Maine to Washington, D.C. flight tickets

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

Our best Delta deals on Portland, Maine to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

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

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.?

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

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

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

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

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

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

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

What is the cheapest airline that flies from Portland to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Portland, Maine to Washington, D.C. on average per day?

How many flights depart from Portland, Maine to Washington, D.C. on average per week?

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

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

Fastest flight time

Direct flights

Airports in 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

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

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

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

Why use momondo?

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.

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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.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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