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 77 per week as of June 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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 34% 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.

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

As of June 2026, 11 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 44% of daily flights taking off at noon.

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

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

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 3 as of June 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.

$127 Cheap Flights from Portland, Maine 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 $259 to $446. The lowest price recently found on this route was $249.

Discover deals from 900+ travel sites with momondo.

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.

5:15 am - 7:07 am

PWM

IAD

1h 52mnonstop

8:20 am - 10:04 am

IAD

PWM

1h 44mnonstop

$249United Airlines

Fri, Sep 4 - Mon, Sep 7

5:13 pm - 7:15 pm

PWM

DCA

2h 02mnonstop

2:54 pm - 4:33 pm

DCA

PWM

1h 39mnonstop

$249American Airlines

Fri, Sep 4 - Mon, Sep 7

5:40 am - 7:15 am

PWM

BWI

1h 35mnonstop

1:30 pm - 3:00 pm

BWI

PWM

1h 30mnonstop

$253Southwest

Sat, Sep 19 - Sat, Sep 26

5:18 pm - 7:10 pm

PWM

DCA

1h 52mnonstop

6:59 am - 10:33 am

DCA

PWM

3h 34m

1 stop

$253American Airlines

Wed, Jul 15 - Tue, Jul 21

5:15 am - 7:00 am

PWM

IAD

1h 45mnonstop

5:42 pm - 11:30 pm

IAD

PWM

5h 48m

1 stop

$253United Airlines

Sat, Jul 25 - Tue, Jul 28

5:15 am - 7:00 am

PWM

IAD

1h 45mnonstop

5:42 pm - 11:30 pm

IAD

PWM

5h 48m

1 stop

$256United Airlines

Sat, Aug 8 - Mon, Aug 10

6:00 am - 7:48 am

PWM

DCA

1h 48mnonstop

3:11 pm - 10:00 pm

DCA

PWM

6h 49m

1 stop

$256American Airlines

Fri, Aug 14 - Tue, Aug 18

6:00 am - 11:49 am

PWM

IAD

5h 49m

1 stop

6:59 pm - 12:59 am

IAD

PWM

6h 00m

1 stop

$263Delta

Sat, Jul 18 - Tue, Jul 21

6:59 pm - 12:39 am

PWM

BWI

5h 40m

1 stop

4:54 pm - 11:14 pm

BWI

PWM

6h 20m

1 stop

$263Delta

Wed, Jul 29 - Sat, Aug 1

10:30 am - 12:10 pm

PWM

BWI

1h 40mnonstop

8:15 am - 9:55 am

BWI

PWM

1h 40mnonstop

$266Southwest

Thu, Oct 1 - Sat, Oct 3

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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

United Airlines

Sep 4

PWM5:15 amPortland

1h 52m

IAD7:07 amWashington, D.C. Dulles Intl

Sep 7

IAD8:20 amWashington, D.C. Dulles Intl

1h 44m

PWM10:04 amPortland

$249

United Airlines

Jul 25

PWM5:15 amPortland

1h 45m

IAD7:00 amWashington, D.C. Dulles Intl

Jul 28

IAD5:42 pmWashington, D.C. Dulles Intl

5h 48m

1 stop

PWM11:30 pmPortland

$253

United Airlines

Aug 8

PWM5:15 amPortland

1h 45m

IAD7:00 amWashington, D.C. Dulles Intl

Aug 10

IAD5:42 pmWashington, D.C. Dulles Intl

5h 48m

1 stop

PWM11:30 pmPortland

$256

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

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

Delta

Jul 18

PWM6:00 amPortland

5h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

Jul 21

IAD6:59 pmWashington, D.C. Dulles Intl

6h 00m

1 stop

PWM12:59 amPortland

$263

Delta

Aug 8

PWM6:00 amPortland

5h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

Aug 9

IAD7:19 pmWashington, D.C. Dulles Intl

5h 40m

1 stop

PWM12:59 amPortland

$266

Delta

Jul 15

PWM6:25 amPortland

3h 50m

1 stop

DCA10:15 amWashington, D.C. Reagan-National

Jul 21

DCA12:23 pmWashington, D.C. Reagan-National

11h 07m

2 stops

PWM11:30 pmPortland

$268

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 - IAD

PWMIAD

Portland

Fri 9/4

5:15 am-7:07 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Mon 9/7

8:20 am-10:04 am

Nonstop1h 44m

$249

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/4

5:13 pm-7:15 pm

Nonstop2h 02m

Washington, D.C. Reagan-National

Mon 9/7

2:54 pm-4:33 pm

Nonstop1h 39m

$249

Quickest round-trip

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 9/19

5:40 am-7:15 am

Nonstop1h 35m

Baltimore/Washington

Sat 9/26

1:30 pm-3:00 pm

Nonstop1h 30m

$253

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/15

5:18 pm-7:10 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Tue 7/21

6:59 am-10:33 am

1 stop3h 34m

$253

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 7/25

5:15 am-7:00 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Tue 7/28

5:42 pm-11:30 pm

1 stop5h 48m

$253

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 8/8

5:15 am-7:00 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Mon 8/10

5:42 pm-11:30 pm

1 stop5h 48m

$256

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/14

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 8/18

3:11 pm-10:00 pm

1 stop6h 49m

$256

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 7/18

6:00 am-11:49 am

1 stop5h 49m

Washington, D.C. Dulles Intl

Tue 7/21

6:59 pm-12:59 am

1 stop6h 00m

$263

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 7/29

6:59 pm-12:39 am

1 stop5h 40m

Baltimore/Washington

Sat 8/1

4:54 pm-11:14 pm

1 stop6h 20m

$263

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 10/1

10:30 am-12:10 pm

Nonstop1h 40m

Baltimore/Washington

Sat 10/3

8:15 am-9:55 am

Nonstop1h 40m

$266

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 December is, on average, the cheapest month to fly to Washington, D.C. from Portland, Maine, with most prices found around $126. If you’re not able to fly to Washington, D.C. in December, then March is your next best option. Flight prices from Portland, Maine to Washington, D.C. during March average around $149.

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 $364. 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 $526.

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 $364. 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 $473. 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 from Portland, Maine 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 $346 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 $202 on momondo.

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

There are 4 cabin classes available to choose from on Portland, Maine 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 June 2026, prices for Portland, Maine to Washington, D.C. flights are approximately 81% 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	$209
Fastest flight time	1h 35m
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 $209. The best round-trip flight deal from Portland, Maine to Washington, D.C. found on momondo in the last 72 hours is $287.

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 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

Frequently asked questions about flying from Portland, Maine to Washington, D.C.

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.?
The number of operators available for flights from Portland Airport to Washington, D.C. is 3 as of June 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 Boeing 737 MAX 8, representing 18.66% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 15.08%, Canadair (Bombardier) Regional Jet 900 at 11.54%, and Airbus A319 at 10.84%.
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 63% of the total bookings. Other popular airlines include United Airlines with 32% and Southwest with 5%.

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,774 reviews	Search American Airlines flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 9,899 reviews	Search United Airlines flights
Southwest	PriceFrom $269	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights

United Airlines Flights From Portland, Maine to Washington, D.C.
United Airlines operates around 25 flights from Portland, Maine to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $371, but momondo users have found United Airlines deals from Portland, Maine to Washington, D.C. from as low as $204 round-trip. United Airlines has been scored 7.4/10 in 9,899 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 $346. American Airlines operates 14 flights to Washington, D.C. from Portland, Maine in an average week. Users have rated it 7.1/10 across 11,774 reviews.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Colonial Beach

Linthicum Heights

Rockville

Silver Spring

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

Glen Burnie

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 $127

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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

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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 from Portland, Maine to Washington, D.C.?

What cabin class options are available on Portland, Maine 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.

Frequently asked questions about flying 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

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.?

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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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