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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Portland, Maine according to our data. United Airlines is the first choice among our users, with 98% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

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

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

As of August 2026, there is 1 operator available to choose from for flights from Portland Airport to Washington, D.C. Dulles Intl Airport.

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

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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

$153 Cheap Flights from Portland, Maine to Washington, D.C. Dulles Intl Airport in 2026

Q: How many flights depart from Portland, Maine to Washington, D.C. Dulles Intl Airport on average per week?

39 flights are operational weekly from Portland, Maine to Washington, D.C. Dulles Intl Airport as of August 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 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

7:25 pm - 9:20 pmPWM Portland-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

5:50 pm - 11:28 pmIAD Washington, D.C. Dulles Intl-PWM Portland

5h 38m1 stop Newark

$250United Airlines

Fri, Oct 2 - Mon, Oct 5

3:47 pm - 9:28 pmPWM Portland-IAD Washington, D.C. Dulles Intl

5h 41m1 stop Newark

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

1h 44mnonstop

$250United Airlines

Thu, Sep 10 - Sun, Sep 13

6:53 pm - 10:59 pmPWM Portland-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Newark

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

1h 49mnonstop

$250United Airlines

Wed, Sep 23 - Sun, Sep 27

6:53 pm - 10:59 pmPWM Portland-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Newark

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

1h 44mnonstop

$250United Airlines

Fri, Sep 18 - Mon, Sep 21

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

11:40 am - 11:21 pmPWM Portland-IAD Washington, D.C. Dulles Intl

11h 41m2 stops New York LaGuardia 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

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

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 - 4:45 pmIAD Washington, D.C. Dulles Intl-PWM Portland

10h 45m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$251Delta

Sat, Nov 14 - Tue, Nov 17

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

7:59 pm - 12:59 amIAD Washington, D.C. Dulles Intl-PWM Portland

5h 00m1 stop New York John F Kennedy Intl

$252Delta

Thu, Sep 3 - Sat, Sep 5

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

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

1h 44mnonstop

$304United Airlines

Sat, Aug 15 - Sat, Sep 12

6:00 am - 11:26 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 26m1 stop Newark

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

1h 49mnonstop

$314United Airlines

Sat, Aug 15 - Sat, Sep 12

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

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

6:26 pm - 11:56 pmIAD Washington, D.C. Dulles Intl-PWM Portland

5h 30m1 stop New York John F Kennedy Intl

$395Delta

Sat, Aug 15 - Sat, Sep 12

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

12:18 pm - 9:15 pmIAD Washington, D.C. Dulles Intl-PWM Portland

8h 57m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$400Delta

Sat, Aug 15 - Sat, Sep 12

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

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

$419United Airlines

Sat, Aug 15 - Sun, Aug 16

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

7:19 pm - 12:59 amIAD Washington, D.C. Dulles Intl-PWM Portland

5h 40m1 stop New York John F Kennedy Intl

$424Delta

Fri, Aug 14 - Wed, Aug 19

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

7:19 pm - 12:59 amIAD Washington, D.C. Dulles Intl-PWM Portland

5h 40m1 stop New York John F Kennedy Intl

$424Delta

Fri, Aug 14 - Mon, Aug 17

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

7:19 pm - 12:59 amIAD Washington, D.C. Dulles Intl-PWM Portland

5h 40m1 stop New York John F Kennedy Intl

$424Delta

Fri, Aug 14 - Thu, Aug 20

Cheap direct 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

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

1h 54mnonstop

$249United Airlines

Fri, Oct 9 - Mon, Oct 12

7:35 pm - 9:30 pmPWM Portland-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

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

1h 44mnonstop

$253United Airlines

Wed, Aug 26 - Sun, Sep 6

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

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

5:52 am - 7:35 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

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

1h 49mnonstop

$253United Airlines

Sun, Aug 30 - Sun, Sep 6

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

1h 52mnonstop

8:18 am - 10:02 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$259United Airlines

Wed, Sep 23 - Wed, Sep 30

7:25 pm - 9:20 pmPWM Portland-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

12:47 pm - 2:38 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 51mnonstop

$259United Airlines

Sat, Oct 17 - Wed, Oct 21

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

1h 52mnonstop

8:18 am - 10:02 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$259United Airlines

Fri, Sep 25 - Sun, Sep 27

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

1h 52mnonstop

10:12 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 47mnonstop

$259United Airlines

Thu, Oct 22 - Mon, Oct 26

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

1h 52mnonstop

8:18 am - 10:02 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$259United Airlines

Fri, Oct 16 - Sun, Oct 18

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

Our best United Airlines deals on Portland, Maine to Washington, D.C. Dulles Intl Airport 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

Aug 26

PWM7:35 pmPortland

1h 55m

IAD9:30 pmWashington, D.C. Dulles Intl

Sep 6

IAD8:20 amWashington, D.C. Dulles Intl

1h 44m

PWM10:04 amPortland

$253

Delta flights from Portland, Maine to Washington, D.C. Dulles Intl Airport

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

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

Delta

Sep 3

PWM6:00 amPortland

5h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

Sep 5

IAD7:59 pmWashington, D.C. Dulles Intl

5h 00m

1 stop

PWM12:59 amPortland

$252

Delta

Nov 18

PWM6:00 amPortland

5h 52m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

Dec 3

IAD11:15 amWashington, D.C. Dulles Intl

4h 43m

1 stop

PWM3:58 pmPortland

$254

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

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 - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Fri 10/2

7:25 pm-9:20 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Mon 10/5

5:50 pm-11:28 pm

1 stop5h 38m

$250

PortlandWashington, D.C.

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

PWMIAD

Portland

Thu 9/10

3:47 pm-9:28 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Sun 9/13

8:20 am-10:04 am

Nonstop1h 44m

$250

PortlandWashington, D.C.

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

PWMIAD

Portland

Wed 9/23

6:53 pm-10:59 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Sun 9/27

10:10 pm-11:59 pm

Nonstop1h 49m

$250

PortlandWashington, D.C.

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

PWMIAD

Portland

Fri 9/18

6:53 pm-10:59 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Mon 9/21

8:20 am-10:04 am

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

11:40 am-11:21 pm

2 stops11h 41m

Washington, D.C. Dulles Intl

Sat 11/14

6:00 am-3:16 pm

2 stops9h 16m

$251

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

PortlandWashington, D.C.

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

PWMIAD

Portland

Sat 11/14

4:03 pm-11:21 pm

2 stops7h 18m

Washington, D.C. Dulles Intl

Tue 11/17

6:00 am-4:45 pm

2 stops10h 45m

$251

PortlandWashington, D.C.

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

PWMIAD

Portland

Thu 9/3

6:00 am-11:49 am

1 stop5h 49m

Washington, D.C. Dulles Intl

Sat 9/5

7:59 pm-12:59 am

1 stop5h 00m

$252

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. Dulles Intl Airport

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. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $294 to $414.
The lowest price recently found on this route was $249.

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

In general, September is the cheapest month to fly from Portland, Maine to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $290.

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

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $382. 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. Dulles Intl Airport for around $662.

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

Flying to Washington, D.C. Dulles Intl Airport from Portland, Maine in the morning is the least expensive time of day to depart. momondo users have found prices as low as $426 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $589 on average. Flights to Washington, D.C. Dulles Intl Airport from Portland, Maine at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Portland to Washington, D.C. Dulles Intl for the best Portland - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Portland, Maine to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport from Portland, Maine for as low as $202 on momondo.

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

There are 4 cabin classes available to choose from on Portland, Maine to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flight prices changed over time?

As of August 2026, prices for Portland, Maine to Washington, D.C. Dulles Intl Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (PWM to IAD) flight deals and tips

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

Best Price Found	$278
Fastest flight time	1h 40m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Portland, Maine in the past 72 hours is $278. The best round-trip flight deal from Portland, Maine to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $338.

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

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

Search flight deals

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

How far is Portland to Washington, D.C. Dulles Intl by plane?
The distance between Portland and Washington, D.C. Dulles Intl is about 494.7 mi. 1h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Portland Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Washington, D.C. Dulles Intl Airport?
As of August 2026, there is 1 operator available to choose from for flights from Portland Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Portland Airport to Washington, D.C. Dulles Intl 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 Portland Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Portland, Maine to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland, Maine to Washington, D.C. Dulles Intl Airport is Embraer 175 (Enhanced Winglets) (26.54% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (25.10%), Airbus A319 (9.47%), and Boeing 737-800 Passenger/BBJ2 (winglets) (6.38%).
What is the most popular airline from Portland, Maine to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Washington, D.C. Dulles Intl Airport is United Airlines (100% of total bookings).

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

Compare and see reviews for airlines that fly from Portland, Maine to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 10,114 reviews		Search United Airlines flights

United Airlines Flights From Portland, Maine to Washington, D.C. Dulles Intl Airport
United Airlines is one of the most popular airlines flying from Portland, Maine to Washington, D.C. Dulles Intl Airport, operating 25 flights/week on average for this route. A good United Airlines flight deal for Portland, Maine to Washington, D.C. Dulles Intl Airport starts from $204 round-trip, up to an average price of $345. Our users have rated United Airlines at 7.4/10.

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Sterling

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Portland to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Portland.

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

If you are not ready to book a flight from Portland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Cheap flights from Portland, Maine to Washington, D.C. from $153

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

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