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$127+ Cheap flights from Portland, ME (PWM) to Maryland

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BWI
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from Portland to Maryland

Cheapest flights from Portland to Maryland
Explore the most affordable flight options available from Portland to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 9/210:30 am
PWM
-
BWI
Nonstop1h 40m
Southwest
Sat 9/51:30 pm
BWI
-
PWM
Nonstop1h 30m
Southwest
Deal found 6/21$253
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/155:18 pm
PWM
-
DCA
Nonstop1h 52m
American Airlines
Tue 7/216:59 am
DCA
-
PWM
1 stop3h 34m
American Airlines
Deal found 6/23$253
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/45:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Thu 8/610:10 pm
IAD
-
PWM
Nonstop1h 41m
United Airlines
Deal found 6/22$256
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/245:45 am
PWM
-
DCA
Nonstop2h 00m
American Airlines
Tue 7/286:59 am
DCA
-
PWM
1 stop5h 38m
American Airlines
Deal found 6/23$256
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 9/186:53 pm
PWM
-
IAD
1 stop4h 06m
United Airlines
Mon 9/218:20 am
IAD
-
PWM
Nonstop1h 44m
United Airlines
Deal found 6/22$259
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/1611:17 am
PWM
-
DCA
1 stop5h 29m
American Airlines
Sun 7/1910:09 pm
DCA
-
PWM
Nonstop1h 50m
American Airlines
Deal found 6/23$259
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 7/125:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Wed 7/2210:10 pm
IAD
-
PWM
Nonstop1h 41m
United Airlines
Deal found 6/22$261
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 7/215:45 am
PWM
-
DCA
Nonstop2h 00m
American Airlines
Tue 7/2810:09 pm
DCA
-
PWM
Nonstop1h 50m
American Airlines
Deal found 6/21$261
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 7/205:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Mon 8/105:30 pm
IAD
-
PWM
Nonstop1h 57m
United Airlines
Deal found 6/20$263
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/26:05 am
PWM
-
BWI
1 stop7h 00m
Delta
Sat 9/52:18 pm
BWI
-
PWM
1 stop7h 13m
Delta
Deal found 6/21$263
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 7/216:01 pm
PWM
-
DCA
1 stop5h 52m
American Airlines
Sat 7/255:50 pm
DCA
-
PWM
1 stop4h 57m
American Airlines
Deal found 6/23$263
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 7/205:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Mon 7/275:30 pm
IAD
-
PWM
Nonstop1h 57m
United Airlines
Deal found 6/22$264

Find flight deals from Portland to Maryland

Keep the following information in mind while searching for Portland to Maryland flight deals. Data was last updated June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Southwest)

One-way from

$127
(Southwest)

Popular in

June

Cheapest in

February

Average price

$362

Good round-trip deal

$402 or less

Good one-way deal

$219 or less
Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.
Search Deals
From Portland to Maryland
Search Deals
One-way flight from Portland to Maryland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Portland to Maryland.
Search Deals
Price to beat on a one-way flight from Portland to Maryland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Maryland 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 June 23, 2026.
Use the filters below to find and compare flights from Portland to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 7/10

6:00 am-11:28 am

1 stop5h 28m

Washington, D.C. Dulles Intl

Sun 7/12

10:10 pm-11:51 pm

Nonstop1h 41m

$259

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 9/3

2:38 pm-4:35 pm

Nonstop1h 57m

Washington, D.C. Dulles Intl

Sun 9/6

8:35 am-1:55 pm

1 stop5h 20m

$259

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 9/3

6:00 am-11:26 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Mon 9/7

12:47 pm-2:38 pm

Nonstop1h 51m

$259

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 7/15

11:47 am-6:04 pm

1 stop6h 17m

Washington, D.C. Dulles Intl

Sun 7/19

6:59 pm-12:59 am

1 stop6h 00m

$266

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 9/3

2:14 pm-8:55 pm

1 stop6h 41m

Washington, D.C. Dulles Intl

Sun 9/6

7:15 pm-12:59 am

1 stop5h 44m

$269

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 9/18

6:02 am-11:45 am

1 stop5h 43m

Washington, D.C. Dulles Intl

Mon 9/21

6:26 pm-11:56 pm

1 stop5h 30m

$269

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 7/16

6:00 am-11:49 am

1 stop5h 49m

Washington, D.C. Dulles Intl

Sun 7/19

6:59 pm-12:59 am

1 stop6h 00m

$269

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/23

6:00 am-9:48 am

1 stop3h 48m

Washington, D.C. Reagan-National

Mon 10/26

12:00 pm-4:09 pm

1 stop4h 09m

$269

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/21

6:30 am-10:15 am

1 stop3h 45m

Washington, D.C. Reagan-National

Mon 8/24

6:20 am-10:21 am

1 stop4h 01m

$269

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 7/16

6:25 am-10:15 am

1 stop3h 50m

Washington, D.C. Reagan-National

Thu 7/23

6:20 am-12:32 pm

1 stop6h 12m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Portland to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Portland 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 Portland to Maryland

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Maryland (average of $155). Flying from Portland, Maine to Maryland in July is currently the most expensive (average of $313). 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 PWM to MD?

Find hourly flight availability from Portland to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2026.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Maryland in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the evening.

Weekly flight availability from Portland, Maine to Maryland

Explore weekly flight availability from Portland to Maryland. 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 June 23, 2026.

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

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

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

The best time to book flights from Portland, Maine to Maryland is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated June 23, 2026.
Read reviews from past customers who have flown Southwest from Portland to Maryland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Southwest
7.9
Good
4,242 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

Find useful and relevant information for your journey from Portland to Maryland. 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 from for flights from Portland to Maryland?

    Located just 2.9 mi from the city center, Portland (PWM) is the airport most travelers will use when flying to Maryland from Portland.

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

    This flight path from Portland to Maryland was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $317, United Airlines can have you in Maryland from Portland, Maine in 1h 40m. Airlines will cover a distance of 451 mi. This flight may include one or multiple stops.

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

    While some choose either Portland - Washington, D.C. Dulles Intl or Portland - Philadelphia, Portland - Washington, D.C. Reagan-National is the most popular route from Portland, Maine to Maryland.

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

    Looking at all options, your cheapest flight can be booked for $156. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $263 on average, our data indicates $403 when flying from Portland, Maine to Maryland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Maryland 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 Portland, Maine to Maryland?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Maryland (average of $155). Flying from Portland, Maine to Maryland in July is currently the most expensive (average of $313). 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.

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Alternative routes for Portland to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Portland to Maryland

Discover the top airline that operate flights from Portland to Maryland. 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$269Average$387FlexibilityNo cancel feeOn-time63%

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