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$75+ Cheap flights from Baltimore to Portland, ME (BWI - 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PWM
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Portland are usually found in April or March, booked 46 days in advance, depart on a Sunday or Saturday and return on a Wednesday

Cheap flight deals from Baltimore to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$180
(Booking.com)

One-way from

$75
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$278
Provider with most accurate pricing for Baltimore/Washington-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Portland flights.
Search Deals
From Baltimore/Washington to Portland
Search Deals
One-way flight from Baltimore/Washington to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Baltimore to Portland

Cheapest flights from Baltimore to Portland
Explore the most affordable flight options available from Baltimore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:21 pmBWI - PWM
1 stop21h 05mFrontier
Mon 5/199:30 pmPWM - BWI
1 stop18h 27mFrontier
Deal found 4/28$180
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/295:27 pmBWI - PWM
1 stop5h 39mAmerican Airlines
Sat 5/312:02 pmPWM - BWI
1 stop5h 25mAmerican Airlines
Deal found 4/29$199
This Southwest deal was found by Cheapflights users on 4/29. 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 6/310:00 amBWI - PWM
Nonstop1h 30mSouthwest
Wed 6/412:30 pmPWM - BWI
Nonstop1h 35mSouthwest
Deal found 4/29$217
This Delta deal was found by Cheapflights users on 4/29. 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 7/156:53 amBWI - PWM
1 stop5h 09mDelta
Tue 7/226:00 amPWM - BWI
1 stop6h 47mDelta
Deal found 4/29$227
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:41 amBWI - PWM
2 stops31h 07mMultiple Airlines
Sun 6/83:30 pmPWM - BWI
2 stops25h 34mMultiple Airlines
Deal found 4/29$317
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2712:25 pmBWI - PWM
1 stop23h 32mSun Country Air
Sun 6/2912:40 pmPWM - BWI
1 stop22h 43mSun Country Air
Deal found 4/29$470
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/196:15 amBWI - PWM
2 stops16h 59mUnited Airlines
Tue 7/226:00 amPWM - BWI
2 stops15h 42mUnited Airlines
Deal found 4/29$508

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore 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 April 29, 2025.
Use the filters below to find and compare flights from Baltimore to Portland that are best for you.

Fly from

Baltimore

Fly to

Portland

Route

Depart

Return

Price

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Fri 5/16

9:21 pm-6:26 pm

1 stop21h 05m

Portland

Mon 5/19

9:30 pm-3:57 pm

1 stop18h 27m

$180

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Thu 5/29

5:27 pm-11:06 pm

1 stop5h 39m

Portland

Sat 5/31

2:02 pm-7:27 pm

1 stop5h 25m

$199

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Tue 6/3

10:00 am-11:30 am

Nonstop1h 30m

Portland

Wed 6/4

12:30 pm-2:05 pm

Nonstop1h 35m

$217

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Tue 7/15

6:53 am-12:02 pm

1 stop5h 09m

Portland

Tue 7/22

6:00 am-12:47 pm

1 stop6h 47m

$227

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Wed 6/4

6:41 am-1:48 pm

2 stops31h 07m

Portland

Sun 6/8

3:30 pm-5:04 pm

2 stops25h 34m

$317

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Fri 6/27

12:25 pm-11:57 am

1 stop23h 32m

Portland

Sun 6/29

12:40 pm-11:23 am

1 stop22h 43m

$470

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sat 7/19

6:15 am-11:14 pm

2 stops16h 59m

Portland

Tue 7/22

6:00 am-9:42 pm

2 stops15h 42m

$508

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Thu 6/12

11:23 am-8:12 pm

1 stop8h 49m

$75

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Mon 6/2

5:27 pm-11:06 pm

1 stop5h 39m

$95

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sun 5/11

9:16 pm-8:40 pm

1 stop23h 24m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

Compare providers for flights from Baltimore to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Portland in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Portland, Maine flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Portland

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

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

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Portland. Price data was last updated on April 25, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Portland, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to Portland, Maine (average of $296). Flying from Baltimore to Portland, Maine in May is currently the most expensive (average of $405). 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 BWI to PWM?

Find hourly flight availability from Baltimore 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 April 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Baltimore to Portland, Maine in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Portland. Price data was last updated on March 30, 2025.

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

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Avelo Airlines from Baltimore to Portland to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Avelo Airlines
7.5
Good
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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

  • What airports do I use to fly from Baltimore to Portland?

    If you book a flight from Baltimore to Portland, you will be flying from Baltimore/Washington to Portland. Flights to Portland (PWM) from Baltimore/Washington (BWI) take 1h 30m for a nonstop flight. There are 2 flights from Baltimore/Washington to Portland per day from 3 airlines.

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

    Within the past month, 2 users have taken a look at flights from Baltimore/Washington to Portland.

  • What are the cheapest airlines flying from Baltimore to Portland, Maine round-trip?

    Flying on Frontier is currently your cheapest option to Portland, Maine, with prices starting at $180. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $199 and $217, respectively. You may be able to fly from Baltimore to Portland, Maine for 50% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Baltimore to Portland, Maine one-way?

    The cheapest airlines for a one-way flight from Baltimore to Portland, Maine are Avelo Airlines ($75), American Airlines ($95), and Frontier ($107).

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

    While on average a flight from Baltimore to Portland, Maine is generally $254, our data shows the cheapest flight currently is $122. When looking at the most popular route, (Baltimore/Washington - Portland), you can expect to pay $231 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Portland, Maine (average of $296). Flying from Baltimore to Portland, Maine in May is currently the most expensive (average of $405). 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Alternative routes for Baltimore to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Baltimore to Portland

Discover the top 3 airlines that operate flights from Baltimore 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$129Average$388FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$287FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$372FlexibilityNo cancel feeOn-time63%

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