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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland from $99

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 departing on 9/9. 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

United Airlines Logo
8:26 am - 10:09 amIAD-PWM
1h 43mnonstop
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
$189United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
United Airlines Logo
8:15 am - 9:58 amIAD-PWM
1h 43mnonstop
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
$194United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
8:23 pm - 12:48 amIAD-PWM
4h 25m1 stop
Delta Logo
6:31 am - 12:02 pmPWM-IAD
5h 31m1 stop
$197Delta
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
10:14 pm - 11:59 pmIAD-PWM
1h 45mnonstop
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
$199United Airlines
Find Deal
Sat, Aug 9 - Thu, Aug 21
Delta Logo
1:00 pm - 11:25 pmIAD-PWM
10h 25m2 stops
Delta Logo
6:35 am - 11:56 amPWM-IAD
5h 21m1 stop
$202Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
8:23 pm - 12:48 amIAD-PWM
4h 25m1 stop
Delta Logo
6:31 am - 12:02 pmPWM-IAD
5h 31m1 stop
$203Delta
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
5:53 pm - 11:03 pmIAD-PWM
5h 10m1 stop
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
$204United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
6:00 am - 4:10 pmIAD-PWM
10h 10m2 stops
Delta Logo
1:40 pm - 11:06 pmPWM-IAD
9h 26m2 stops
$207Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
8:23 pm - 12:48 amIAD-PWM
4h 25m1 stop
Delta Logo
11:50 am - 11:25 pmPWM-IAD
11h 35m2 stops
$208Delta
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
10:14 pm - 11:59 pmIAD-PWM
1h 45mnonstop
United Airlines Logo
10:39 am - 4:23 pmPWM-IAD
5h 44m1 stop
$209United Airlines
Find Deal
Wed, Aug 13 - Wed, Sep 3

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Portland, Maine flight tickets
Delta
Aug 27
IAD8:23 pmWashington, D.C. Dulles Intl
4h 25m
1 stop
PWM12:48 amPortland
Aug 30
PWM6:31 amPortland
5h 31m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
$197
Find similar
Delta
Sep 9
IAD1:00 pmWashington, D.C. Dulles Intl
10h 25m
2 stops
PWM11:25 pmPortland
Sep 16
PWM6:35 amPortland
5h 21m
1 stop
IAD11:56 amWashington, D.C. Dulles Intl
$202
Find similar
Delta
Sep 5
IAD8:23 pmWashington, D.C. Dulles Intl
4h 25m
1 stop
PWM12:48 amPortland
Sep 9
PWM6:31 amPortland
5h 31m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
$203
Find similar

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
Aug 19
IAD8:26 amWashington, D.C. Dulles Intl
1h 43m
PWM10:09 amPortland
Aug 26
PWM7:26 pmPortland
1h 49m
IAD9:15 pmWashington, D.C. Dulles Intl
$189
Find similar
United Airlines
Sep 9
IAD8:15 amWashington, D.C. Dulles Intl
1h 43m
PWM9:58 amPortland
Sep 16
PWM7:26 pmPortland
1h 49m
IAD9:15 pmWashington, D.C. Dulles Intl
$194
Find similar
United Airlines
Aug 9
IAD10:14 pmWashington, D.C. Dulles Intl
1h 45m
PWM11:59 pmPortland
Aug 21
PWM7:26 pmPortland
1h 49m
IAD9:15 pmWashington, D.C. Dulles Intl
$199
Find similar

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 May. Flight prices, which tend to average around $293, 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 May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $294.

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 $286. 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 $354.

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 $291. 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 $387. 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 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $347 when searching 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 $230 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 July 2025, prices for Washington, D.C. Dulles Intl Airport to Portland, Maine flights are approximately 39% more expensive 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

$99

Fastest flight time

1h 43m

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 $99. 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 43m
Direct flights go from Washington, D.C. Dulles Intl Airport to Portland, Maine every day.
There is 1 airport near Portland, Maine: Portland (PWM)
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  • 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 43m.

  • 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 $222Free CancellationRating
7.4
8,892 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 $222 round-trip. Over the 23 United Airlines flights for this route in a normal week, average airfare is usually $359 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
Boothbay Harbor
Jackson
Conway
Freeport
Bartlett
Lewiston
Brunswick
Gorham
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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