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.

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 83 per week as of August 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

As of August 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 12:00PM, with 48% of daily flights taking off in the afternoon.

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 33% 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 3 as of August 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.

$90 Cheap Flights from Portland, Maine to Washington, D.C. in 2026

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.

5:40 am - 7:15 amPWM Portland-BWI Baltimore/Washington

1h 35mnonstop

3:05 pm - 4:35 pmBWI Baltimore/Washington-PWM Portland

1h 30mnonstop

$199Southwest

Sat, Sep 5 - Sun, Sep 6

3:40 pm - 5:25 pmPWM Portland-BWI Baltimore/Washington

1h 45mnonstop

8:55 pm - 10:30 pmBWI Baltimore/Washington-PWM Portland

1h 35mnonstop

$214Southwest

Fri, Sep 11 - Mon, Sep 14

5:40 am - 7:15 amPWM Portland-BWI Baltimore/Washington

1h 35mnonstop

9:40 am - 11:15 amBWI Baltimore/Washington-PWM Portland

1h 35mnonstop

$217Southwest

Sat, Sep 5 - Sun, Sep 6

4:40 pm - 11:03 pmPWM Portland-BWI Baltimore/Washington

6h 23m1 stop Detroit Metropolitan Wayne County

2:10 pm - 10:23 pmBWI Baltimore/Washington-PWM Portland

8h 13m1 stop Atlanta Hartsfield-Jackson

$241Delta

Wed, Nov 18 - Wed, Dec 2

6:00 am - 1:04 pmPWM Portland-BWI Baltimore/Washington

7h 04m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:08 pmBWI Baltimore/Washington-PWM Portland

6h 08m1 stop Detroit Metropolitan Wayne County

$241Delta

Wed, Dec 2 - Tue, Dec 15

6:00 am - 7:56 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 56mnonstop

10:18 pm - 11:59 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Oct 10 - Mon, Oct 12

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

5:30 pm - 7:24 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 54mnonstop

$249United Airlines

Fri, Oct 9 - Mon, Oct 12

4:41 pm - 9:28 pmPWM Portland-DCA Washington, D.C. Reagan-National

4h 47m1 stop New York LaGuardia

1:59 pm - 3:43 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 44mnonstop

$250American Airlines

Fri, Oct 2 - Mon, Oct 5

6:54 pm - 10:59 pmPWM Portland-IAD Washington, D.C. Dulles Intl

4h 05m1 stop Newark

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$250United Airlines

Fri, Oct 16 - Mon, Oct 19

4:03 pm - 11:21 pmPWM Portland-IAD Washington, D.C. Dulles Intl

7h 18m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

6:00 am - 3:16 pmIAD Washington, D.C. Dulles Intl-PWM Portland

9h 16m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$251Delta

Wed, Nov 11 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$372United Airlines

Sat, Aug 15 - Fri, Aug 21

6:02 am - 7:50 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 48mnonstop

11:35 am - 10:48 pmDCA Washington, D.C. Reagan-National-PWM Portland

11h 13m1 stop Chicago O'Hare Intl

$387American Airlines

Wed, Aug 19 - Wed, Aug 19

12:10 pm - 7:12 pmPWM Portland-DCA Washington, D.C. Reagan-National

7h 02m1 stop New York LaGuardia

5:40 pm - 11:30 pmDCA Washington, D.C. Reagan-National-PWM Portland

5h 50m1 stop New York LaGuardia

$392Delta

Sat, Aug 15 - Fri, Aug 21

6:00 am - 10:09 amPWM Portland-DCA Washington, D.C. Reagan-National

4h 09m1 stop New York John F Kennedy Intl

5:40 pm - 11:30 pmDCA Washington, D.C. Reagan-National-PWM Portland

5h 50m1 stop New York LaGuardia

$392Delta

Sat, Aug 15 - Fri, Aug 21

6:02 am - 7:50 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 48mnonstop

10:10 pm - 11:47 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 37mnonstop

$400American Airlines

Sat, Aug 15 - Fri, Aug 21

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

5:45 pm - 11:32 pmIAD Washington, D.C. Dulles Intl-PWM Portland

5h 47m1 stop Newark

$400United Airlines

Sat, Aug 15 - Fri, Aug 21

6:02 am - 7:50 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 48mnonstop

10:10 pm - 11:47 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 37mnonstop

$400American Airlines

Sat, Aug 15 - Sun, Aug 16

6:00 am - 11:59 amPWM Portland-DCA Washington, D.C. Reagan-National

5h 59m1 stop Newark

5:55 pm - 11:32 pmDCA Washington, D.C. Reagan-National-PWM Portland

5h 37m1 stop Newark

$422United Airlines

Sat, Aug 15 - Fri, Aug 21

2:50 pm - 4:30 pmPWM Portland-BWI Baltimore/Washington

1h 40mnonstop

8:10 am - 9:50 amBWI Baltimore/Washington-PWM Portland

1h 40mnonstop

$683Southwest

Wed, Aug 19 - Thu, Aug 20

3:40 pm - 5:25 pmPWM Portland-BWI Baltimore/Washington

1h 45mnonstop

3:45 pm - 5:15 pmBWI Baltimore/Washington-PWM Portland

1h 30mnonstop

$718Southwest

Mon, Aug 17 - Tue, Aug 18

Cheap direct flights

Enter your travel dates to find the best prices.

5:40 am - 7:15 amPWM Portland-BWI Baltimore/Washington

1h 35mnonstop

3:05 pm - 4:35 pmBWI Baltimore/Washington-PWM Portland

1h 30mnonstop

$199Southwest

Sat, Sep 5 - Sun, Sep 6

3:40 pm - 5:25 pmPWM Portland-BWI Baltimore/Washington

1h 45mnonstop

8:55 pm - 10:30 pmBWI Baltimore/Washington-PWM Portland

1h 35mnonstop

$214Southwest

Fri, Sep 11 - Mon, Sep 14

5:40 am - 7:15 amPWM Portland-BWI Baltimore/Washington

1h 35mnonstop

9:40 am - 11:15 amBWI Baltimore/Washington-PWM Portland

1h 35mnonstop

$217Southwest

Sat, Sep 5 - Sun, Sep 6

5:45 am - 7:25 amPWM Portland-BWI Baltimore/Washington

1h 40mnonstop

9:05 pm - 10:35 pmBWI Baltimore/Washington-PWM Portland

1h 30mnonstop

$234Southwest

Tue, Sep 29 - Tue, Oct 6

6:00 am - 7:56 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 56mnonstop

10:18 pm - 11:59 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Oct 10 - Mon, Oct 12

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

5:30 pm - 7:24 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 54mnonstop

$249United Airlines

Fri, Oct 9 - Mon, Oct 12

10:52 am - 12:44 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 52mnonstop

8:03 am - 9:52 amDCA Washington, D.C. Reagan-National-PWM Portland

1h 49mnonstop

$251American Airlines

Fri, Oct 30 - Mon, Nov 2

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$253United Airlines

Fri, Sep 4 - Mon, Sep 7

6:00 am - 7:50 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 50mnonstop

10:04 pm - 11:45 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$253American Airlines

Wed, Sep 16 - Wed, Sep 16

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$253United Airlines

Fri, Sep 4 - Mon, Sep 7

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

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

Delta

Dec 2

PWM4:40 pmPortland

6h 23m

1 stop

BWI11:03 pmBaltimore/Washington

Dec 16

BWI6:00 amBaltimore/Washington

10h 45m

2 stops

PWM4:45 pmPortland

$246

Delta

Oct 28

PWM4:47 pmPortland

6h 17m

1 stop

BWI11:04 pmBaltimore/Washington

Oct 31

BWI6:10 amBaltimore/Washington

6h 12m

1 stop

PWM12:22 pmPortland

$248

Delta

Nov 11

PWM4:03 pmPortland

7h 18m

2 stops

IAD11:21 pmWashington, D.C. Dulles Intl

Nov 14

IAD6:00 amWashington, D.C. Dulles Intl

9h 16m

2 stops

PWM3:16 pmPortland

$251

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

Oct 9

PWM5:15 amPortland

1h 52m

IAD7:07 amWashington, D.C. Dulles Intl

Oct 12

IAD5:30 pmWashington, D.C. Dulles Intl

1h 54m

PWM7:24 pmPortland

$249

United Airlines

Sep 10

PWM3:47 pmPortland

5h 41m

1 stop

IAD9:28 pmWashington, D.C. Dulles Intl

Sep 13

IAD8:20 amWashington, D.C. Dulles Intl

1h 44m

PWM10:04 amPortland

$250

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

$253

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

Quickest round-trip

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Sat 9/5

5:40 am-7:15 am

Nonstop1h 35m

Baltimore/Washington

Sun 9/6

3:05 pm-4:35 pm

Nonstop1h 30m

$199

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Fri 9/11

3:40 pm-5:25 pm

Nonstop1h 45m

Baltimore/Washington

Mon 9/14

8:55 pm-10:30 pm

Nonstop1h 35m

$214

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Sat 9/5

5:40 am-7:15 am

Nonstop1h 35m

Baltimore/Washington

Sun 9/6

9:40 am-11:15 am

Nonstop1h 35m

$217

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Wed 11/18

4:40 pm-11:03 pm

1 stop6h 23m

Baltimore/Washington

Wed 12/2

2:10 pm-10:23 pm

1 stop8h 13m

$241

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Wed 12/2

6:00 am-1:04 pm

1 stop7h 04m

Baltimore/Washington

Tue 12/15

6:00 am-12:08 pm

1 stop6h 08m

$241

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 10/10

6:00 am-7:56 am

Nonstop1h 56m

Washington, D.C. Reagan-National

Mon 10/12

10:18 pm-11:59 pm

Nonstop1h 41m

$249

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Fri 10/9

5:15 am-7:07 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Mon 10/12

5:30 pm-7:24 pm

Nonstop1h 54m

$249

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Fri 10/2

4:41 pm-9:28 pm

1 stop4h 47m

Washington, D.C. Reagan-National

Mon 10/5

1:59 pm-3:43 pm

Nonstop1h 44m

$250

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Fri 10/16

6:54 pm-10:59 pm

1 stop4h 05m

Washington, D.C. Dulles Intl

Mon 10/19

10:10 pm-11:59 pm

Nonstop1h 49m

$250

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Wed 11/11

4:03 pm-11:21 pm

2 stops7h 18m

Washington, D.C. Dulles Intl

Sat 11/14

6:00 am-3:16 pm

2 stops9h 16m

$251

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.?

Prices are currently low for flights on this route.

Typical prices usually range from $259 to $439.
The lowest price recently found on this route was $199.

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 $270. If you’re not able to fly to Washington, D.C. in September, then October is your next best option. Flight prices from Portland, Maine to Washington, D.C. during October average around $290.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $370. 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 $529.

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 $366. 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 $492. 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 $343 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.

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

As of August 2026, prices for Portland, Maine to Washington, D.C. flights are approximately 14% 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	$221
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 $221. The best round-trip flight deal from Portland, Maine to Washington, D.C. found on momondo in the last 72 hours is $302.

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 August 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 20.59% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 18.94%, Airbus A319 at 12.99%, and Canadair (Bombardier) Regional Jet 700 at 8.92%.
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 62% of the total bookings. Other popular airlines include United Airlines with 33% 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 11,927 reviews	Search American Airlines flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
Southwest	PriceFrom $271	Free Cancellation	Rating 8.0 4,220 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 $370, 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 10,108 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 $342. American Airlines operates 18 flights to Washington, D.C. from Portland, Maine in an average week. Users have rated it 7.1/10 across 11,927 reviews.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

Glen Burnie

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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Complete your trip

Feeling lucky

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 $90

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

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

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

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

Our best United Airlines 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 from Portland, Maine to Washington, D.C.?

What cabin class options are available 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

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

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

Why use momondo?

An easier way to manage your Washington, D.C. trip

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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.

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