HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$90+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BWI
Sep 12 — Sep 191
Sat 9/12
Sat 9/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Maryland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 13, 2026.

This Southwest deal was found by Cheapflights users on 8/9. 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 9/55:40 am -
Nonstop1h 35m
Sun 9/63:05 pm -
Nonstop1h 30m
Deal found 8/9$199
This Southwest deal was found by Cheapflights users on 8/10. 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 9/295:45 am -
Nonstop1h 40m
Tue 10/69:05 pm -
Nonstop1h 30m
Deal found 8/10$234
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 9/18:00 am -
2 stops17h 16m
Wed 9/28:35 am -
1 stop9h 23m
Deal found 8/11$238
This Southwest deal was found by Cheapflights users on 8/11. 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 9/66:40 am -
Nonstop1h 35m
Mon 9/78:10 am -
Nonstop1h 40m
Deal found 8/11$239
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.
Mon 11/165:15 am -
Nonstop2h 00m
Wed 12/28:15 am -
Nonstop1h 35m
Deal found 8/12$241
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.
Wed 12/24:40 pm -
1 stop6h 23m
Wed 12/166:00 am -
2 stops10h 45m
Deal found 8/13$246
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.
Thu 9/245:55 am -
Nonstop1h 35m
Mon 9/288:10 am -
Nonstop1h 40m
Deal found 8/13$247
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:47 pm -
1 stop6h 17m
Sat 10/316:10 am -
1 stop6h 12m
Deal found 8/12$248
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 am -
Nonstop1h 52m
Mon 10/125:30 pm -
Nonstop1h 54m
Deal found 8/12$249
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/103:47 pm -
1 stop5h 41m
Sun 9/138:20 am -
Nonstop1h 44m
Deal found 8/11$250
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/184:41 pm -
1 stop4h 47m
Mon 9/212:40 pm -
Nonstop1h 44m
Deal found 8/11$250
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:03 pm -
2 stops7h 18m
Sat 11/146:00 am -
2 stops9h 16m
Deal found 8/12$251

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 August 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$199
(Southwest)

One-way from

$90
(Southwest)

Popular in

June

Cheapest in

February

Average price

$315

Good round-trip deal

$381 or less

Good one-way deal

$221 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. 9% potential increase in price ($29 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 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 August 13, 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

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Wed 11/11

10:25 am-12:10 pm

Nonstop1h 45m

Baltimore/Washington

Sat 11/14

10:55 am-12:25 pm

Nonstop1h 30m

$241

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

PortlandBaltimore

PWM Portland - BWI Baltimore/Washington

PWMBWI

Portland

Wed 11/11

4:40 pm-11:03 pm

1 stop6h 23m

Baltimore/Washington

Sat 11/14

6:00 am-3:16 pm

2 stops9h 16m

$253

PortlandWashington, D.C.

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

PWMIAD

Portland

Fri 9/11

4:45 pm-11:14 pm

1 stop6h 29m

Washington, D.C. Dulles Intl

Sun 9/13

6:26 pm-11:56 pm

1 stop5h 30m

$258

PortlandWashington, D.C.

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

PWMDCA

Portland

Fri 9/18

6:02 am-10:06 am

1 stop4h 04m

Washington, D.C. Reagan-National

Mon 9/21

7:15 pm-11:17 pm

1 stop4h 02m

$260

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

Sun 10/18

10:10 pm-11:59 pm

Nonstop1h 49m

$269

PortlandWashington, D.C.

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

PWMIAD

Portland

Sat 10/17

5:15 am-7:07 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Wed 10/21

8:33 am-1:51 pm

1 stop5h 18m

$269

PortlandWashington, D.C.

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

PWMIAD

Portland

Wed 8/26

5:15 am-7:07 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Sun 8/30

5:30 pm-7:24 pm

Nonstop1h 54m

$274

PortlandWashington, D.C.

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

PWMDCA

Portland

Tue 11/10

4:40 pm-11:28 pm

1 stop6h 48m

Washington, D.C. Reagan-National

Fri 11/13

2:00 pm-11:55 pm

2 stops9h 55m

$278

PortlandWashington, D.C.

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

PWMDCA

Portland

Sat 10/17

5:00 pm-8:48 pm

1 stop3h 48m

Washington, D.C. Reagan-National

Sat 10/24

11:00 am-3:55 pm

1 stop4h 55m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, January is the cheapest month in which you can book a flight from Portland, Maine to Maryland (average of $339). Flying from Portland, Maine to Maryland in March is currently the most expensive (average of $529). 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 August 13, 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 35% on your trip compared to booking a flight in the evening.

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

Airfare is below average for this route at the moment.
Portland, Maine to Maryland flights typically cost between $343 and $429 in September.
The cheapest round-trip price found within the last 5 days was $199 on Southwest (Sep 5-Sep 6).

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 86 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 August 13, 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
8.0
Very good
4,218 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,218 reviews
Southwest
8.0
Very good
4,218 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

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 45 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 $241, Southwest can have you in Maryland from Portland, Maine in 1h 45m. 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 $138. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $237 on average, our data indicates $397 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, January is the cheapest month in which you can book a flight from Portland, Maine to Maryland (average of $339). Flying from Portland, Maine to Maryland in March is currently the most expensive (average of $529). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$271Average$392FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.