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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland, Maine from $88

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. Dulles Intl Airport to Portland, Maine departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Portland

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Portland.
United Airlines Logo
10:16 pm - 11:59 pmIAD-PWM
1h 43mnonstop
United Airlines Logo
9:30 am - 11:24 amPWM-IAD
1h 54mnonstop
$189United Airlines
Find Deal
Thu, May 1 - Wed, May 7
United Airlines Logo
10:12 pm - 11:57 pmIAD-PWM
1h 45mnonstop
United Airlines Logo
5:40 am - 7:30 amPWM-IAD
1h 50mnonstop
$194United Airlines
Find Deal
Sun, Jun 1 - Mon, Jun 9
Frontier Logo
5:26 pm - 8:40 pmIAD-PWM
27h 14m1 stop
Frontier Logo
8:23 pm - 4:36 pmPWM-IAD
20h 13m1 stop
$198Frontier
Find Deal
Thu, May 15 - Sun, May 18
United Airlines Logo
5:15 pm - 11:14 pmIAD-PWM
5h 59m1 stop
United Airlines Logo
2:08 pm - 4:19 pmPWM-IAD
2h 11mnonstop
$199United Airlines
Find Deal
Tue, Jul 1 - Thu, Jul 10
United Airlines Logo
5:48 pm - 11:27 pmIAD-PWM
5h 39m1 stop
United Airlines Logo
3:43 pm - 9:07 pmPWM-IAD
5h 24m1 stop
$209United Airlines
Find Deal
Fri, May 9 - Tue, May 13
Delta Logo
8:33 pm - 12:42 amIAD-PWM
4h 09m1 stop
Delta Logo
7:00 am - 11:31 amPWM-IAD
4h 31m1 stop
$229Delta
Find Deal
Tue, Apr 22 - Tue, Apr 29
Delta Logo
8:30 pm - 12:46 amIAD-PWM
4h 16m1 stop
Delta Logo
6:30 am - 11:59 amPWM-IAD
5h 29m1 stop
$233Delta
Find Deal
Tue, Jun 10 - Tue, Jun 17
Frontier Logo
5:26 pm - 8:40 pmIAD-PWM
27h 14m1 stop
Frontier Logo
9:29 pm - 4:36 pmPWM-IAD
19h 07m1 stop
$258Frontier
Find Deal
Thu, May 1 - Thu, May 8
American Airlines Logo
11:18 am - 5:11 pmIAD-PWM
5h 53m1 stop
American Airlines Logo
2:49 pm - 7:44 pmPWM-IAD
4h 55m1 stop
$260American Airlines
Find Deal
Sat, Jun 14 - Tue, Jun 17
American Airlines Logo
5:26 pm - 11:05 pmIAD-PWM
5h 39m1 stop
American Airlines Logo
7:45 am - 1:22 pmPWM-IAD
5h 37m1 stop
$272American Airlines
Find Deal
Sat, May 10 - Tue, May 20

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Portland, Maine flight tickets
United Airlines
May 1
IAD10:16 pmWashington, D.C. Dulles Intl
1h 43m
PWM11:59 pmPortland
May 7
PWM9:30 amPortland
1h 54m
IAD11:24 amWashington, D.C. Dulles Intl
United Airlines
Jun 1
IAD10:12 pmWashington, D.C. Dulles Intl
1h 45m
PWM11:57 pmPortland
Jun 9
PWM5:40 amPortland
1h 50m
IAD7:30 amWashington, D.C. Dulles Intl
United Airlines
Jul 1
IAD5:15 pmWashington, D.C. Dulles Intl
5h 59m
1 stop
PWM11:14 pmPortland
Jul 10
PWM2:08 pmPortland
2h 11m
IAD4:19 pmWashington, D.C. Dulles Intl

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Portland, Maine flight tickets
Frontier
Apr 10
IAD9:18 pmWashington, D.C. Dulles Intl
21h 04m
1 stop
PWM6:22 pmPortland
Apr 14
PWM3:11 pmPortland
17h 34m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Frontier
May 15
IAD5:26 pmWashington, D.C. Dulles Intl
27h 14m
1 stop
PWM8:40 pmPortland
May 18
PWM8:23 pmPortland
20h 13m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Frontier
Apr 9
IAD5:52 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
PWM9:27 amPortland
Apr 14
PWM3:11 pmPortland
17h 34m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl

See travel insights to Portland from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Washington, D.C. Dulles Intl Airport is in December. Flight prices, which tend to average around $290, 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 December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $302.

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. Dulles Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $296. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $365.

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. Dulles Intl Airport to Portland, Maine when you can find flight prices for as low as $289. 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 $368. 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. Dulles Intl to Portland flight route?

Fly from Washington, D.C. Dulles Intl to Portland for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $344 when searching 23 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. Dulles Intl Airport for as low as $249 on momondo.

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

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

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Portland, Maine flights are approximately 5% cheaper when compared to flights at the same time last year.

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

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

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

Best Price Found

$88

Fastest flight time

1h 37m

Direct flights

Every day

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Washington, D.C. Dulles Intl Airport in the past 72 hours is $88. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Portland, Maine found on momondo in the last 72 hours is $189.
The fastest flight from Washington, D.C. Dulles Intl Airport to Portland, Maine takes 1h 37m
Direct flights go from Washington, D.C. Dulles Intl Airport to Portland, Maine every day.
There is 1 airport near Portland, Maine: Portland (PWM)

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

    Washington, D.C. Dulles Intl and Portland are 494.7 mi apart from one another. In terms of flight time, this usually takes a little over 1h 37m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $203Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Portland, Maine

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Portland, Maine start from $203 round-trip. Over the 25 United Airlines flights for this route in a normal week, average airfare is usually $349 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Portland?

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

Why use momondo?

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

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 Portland from Washington, D.C..

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

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

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.


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