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$115+ Cheap flights from Maryland to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PWM
Sep 17 — Sep 241
Thu 9/17
Thu 9/24
1 adult, Economy
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Cheap flight deals from Maryland to Portland

Cheapest flights from Maryland to Portland
Explore the most affordable flight options available from Maryland to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.

This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 pm -
Nonstop1h 35m
Fri 9/113:40 pm -
Nonstop1h 45m
Deal found 8/13$180
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 pm -
Nonstop1h 35m
Sun 9/66:40 am -
Nonstop1h 35m
Deal found 8/13$199
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:05 pm -
Nonstop1h 30m
Thu 9/105:55 am -
Nonstop1h 35m
Deal found 8/13$239
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:00 am -
1 stop8h 24m
Tue 10/65:09 pm -
1 stop20h 26m
Deal found 8/17$240
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:55 pm -
Nonstop1h 35m
Wed 9/165:45 am -
Nonstop1h 40m
Deal found 8/13$241
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:15 am -
Nonstop1h 40m
Sat 9/55:40 am -
Nonstop1h 35m
Deal found 8/12$246
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:15 am -
Nonstop1h 40m
Thu 9/245:55 am -
Nonstop1h 35m
Deal found 8/12$247
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:15 am -
Nonstop1h 40m
Tue 9/295:45 am -
Nonstop1h 40m
Deal found 8/13$256
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:59 am -
Nonstop1h 53m
Thu 10/15:18 pm -
1 stop6h 41m
Deal found 8/14$269
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:10 pm -
Nonstop1h 49m
Tue 9/296:55 pm -
1 stop4h 04m
Deal found 8/16$269
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:45 pm -
2 stops9h 11m
Tue 9/296:02 am -
2 stops7h 58m
Deal found 8/13$270
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:40 pm -
Nonstop1h 44m
Mon 10/126:00 am -
Nonstop1h 56m
Deal found 8/13$272

Find flight deals from Maryland to Portland

Keep the following information in mind while searching for Maryland to Portland flight deals. Data was last updated August 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Southwest)

One-way from

$115
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$374

Good round-trip deal

$304 or less

Good one-way deal

$261 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Portland flights.
Search Deals
From Maryland to Portland
Search Deals
One-way flight from Maryland to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Maryland to Portland.
Search Deals
Price to beat on a one-way flight from Maryland to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
Use the filters below to find and compare flights from Maryland to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Sat 9/26

6:26 pm-11:56 pm

1 stop5h 30m

Portland

Tue 9/29

6:02 am-11:45 am

1 stop5h 43m

$275

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Sat 9/26

6:26 pm-11:56 pm

1 stop5h 30m

Portland

Wed 9/30

6:02 am-11:45 am

1 stop5h 43m

$279
Quickest round-trip

BaltimorePortland

BWI Baltimore/Washington - PWM Portland

BWIPWM

Baltimore/Washington

Fri 11/6

3:00 pm-4:30 pm

Nonstop1h 30m

Portland

Mon 11/9

5:10 pm-6:50 pm

Nonstop1h 40m

$285

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Tue 11/10

12:40 pm-2:27 pm

Nonstop1h 47m

Portland

Mon 11/16

7:30 pm-9:28 pm

Nonstop1h 58m

$291

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Sat 10/3

12:47 pm-2:38 pm

Nonstop1h 51m

Portland

Sat 10/3

7:25 pm-9:20 pm

Nonstop1h 55m

$292

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Wed 9/9

5:45 pm-11:32 pm

1 stop5h 47m

Portland

Sat 9/12

5:15 am-7:07 am

Nonstop1h 52m

$303

Washington, D.C.Portland

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

DCAPWM

Washington, D.C. Reagan-National

Sat 10/24

6:10 am-3:55 pm

2 stops9h 45m

Portland

Tue 10/27

6:28 am-4:39 pm

2 stops10h 11m

$304

BaltimorePortland

BWI Baltimore/Washington - PWM Portland

BWIPWM

Baltimore/Washington

Sat 9/26

1:30 pm-3:00 pm

Nonstop1h 30m

Portland

Wed 9/30

5:45 am-7:25 am

Nonstop1h 40m

$305

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Fri 8/28

10:10 pm-11:59 pm

Nonstop1h 49m

Portland

Sun 8/30

5:52 am-7:35 am

Nonstop1h 43m

$319

BaltimorePortland

BWI Baltimore/Washington - PWM Portland

BWIPWM

Baltimore/Washington

Wed 9/23

7:40 pm-9:15 pm

Nonstop1h 35m

Portland

Thu 9/24

10:30 am-12:10 pm

Nonstop1h 40m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Maryland to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Maryland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Portland

What is the cheapest month to book a flight from Maryland to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Maryland to Portland, Maine (average of $293). Flying from Maryland to Portland, Maine in November is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MD to PWM?

Find hourly flight availability from Maryland to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2026.

When flying from Maryland to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the afternoon.

Weekly flight availability from Maryland to Portland, Maine

Explore weekly flight availability from Maryland to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2026.

The most flights from USMD to PWM are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Maryland to Portland, Maine?

Airfare is below average for this route at the moment.
Maryland to Portland, Maine flights typically cost between $339 and $445 in September.
The cheapest round-trip price found within the last 5 days was $180 on Southwest (Sep 5-Sep 11).

How far ahead should I book a flight from Maryland to Portland, Maine?

To ensure you get the cheapest price possible for a flight from Maryland to Portland, Maine, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Maryland to Portland, Maine?

Use this chart to determine the cheapest time to fly round-trip from Maryland to Portland. Price data was last updated on August 15, 2026.

Travelers seeking maximum savings on their Maryland to Portland, Maine flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Maryland?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly into when you book flights from Maryland to Portland.

  • How popular is this Maryland to Portland, Maine flight route?

    Within the past month, 1 users have taken a look at flights from Maryland to Portland.

  • How long is the flight from Maryland to Portland, Maine?

    For as low as $285, Delta can have you in Portland, Maine from Maryland in 1h 30m. The distance from Maryland to Portland, Maine is about 451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Maryland to Portland, Maine?

    The most popular flight routes from Maryland to Portland, Maine are Washington, D.C. Dulles Intl - Portland, Washington, D.C. Reagan-National - Portland and Baltimore/Washington - Portland.

  • What are the cheapest flights from Maryland to Portland, Maine?

    On average you can expect to pay $435 for a flight from Maryland to Portland, Maine. The cheapest flight overall is $120 while the most popular route, (Washington, D.C. Dulles Intl - Portland) is currently priced at $259.

  • Can I find deals for flights from Maryland to Portland that include hotel bookings?

    Yes. In addition to deals on Maryland to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Portland.

  • Can I find deals for business class flights from Maryland to Portland?

    Yes. Cheapflights offers flight deals from Maryland to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Maryland to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Maryland to Portland, Maine (average of $293). Flying from Maryland to Portland, Maine in November is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

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Top airline flying from Maryland to Portland

Discover the top airline that operate flights from Maryland to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$260Average$412FlexibilityNo cancel feeOn-time63%

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