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Portland

$107+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PWM
déc. 26 — janv. 21
ven. 12/26
ven. 1/2
1 adult, Economy
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Find cheap flights from Baltimore to Portland with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to Portland are usually found in April or March, booked 83 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 novembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$261
(Southwest)

One-way from

$107
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$552
Provider with most accurate pricing for Baltimore/Washington-Portland flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Portland flights.
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From Baltimore/Washington to Portland
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One-way flight from Baltimore/Washington to Portland
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Highest demand for flights based on searches. 16% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 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 novembre 26, 2025.

This Southwest deal was found by Cheapflights users on 11/24. 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.
mar. 12/1610:40 amBWI - PWM
Nonstop1h 30mSouthwest
mar. 1/612:45 pmPWM - BWI
Nonstop1h 45mSouthwest
Deal found 11/24$261
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
jeu. 12/119:11 pmBWI - PWM
1 stop11h 55mMultiple Airlines
lun. 12/156:05 pmPWM - BWI
2 stops40h 16mMultiple Airlines
Deal found 11/26$265
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
ven. 12/58:00 pmBWI - PWM
1 stop14h 36mMultiple Airlines
lun. 12/89:46 amPWM - BWI
1 stop23h 36mMultiple Airlines
Deal found 11/24$277
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
mar. 12/910:40 amBWI - PWM
1 stop23h 56mMultiple Airlines
sam. 12/1311:16 amPWM - BWI
2 stops23h 03mMultiple Airlines
Deal found 11/24$296
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
jeu. 12/410:40 amBWI - PWM
1 stop22h 26mMultiple Airlines
lun. 12/89:46 amPWM - BWI
1 stop23h 36mMultiple Airlines
Deal found 11/24$300
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
ven. 12/129:11 pmBWI - PWM
1 stop13h 25mMultiple Airlines
lun. 12/156:05 pmPWM - BWI
2 stops24h 50mMultiple Airlines
Deal found 11/24$313
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:40 amBWI - PWM
1 stop23h 56mMultiple Airlines
ven. 12/199:46 amPWM - BWI
1 stop21h 36mMultiple Airlines
Deal found 11/23$315
This Southwest deal was found by Cheapflights users on 11/25. 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.
mar. 12/3010:35 pmBWI - PWM
Nonstop1h 30mSouthwest
ven. 1/25:30 amPWM - BWI
Nonstop1h 45mSouthwest
Deal found 11/25$320
This Southwest deal was found by Cheapflights users on 11/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:40 amBWI - PWM
Nonstop1h 30mSouthwest
ven. 12/195:30 pmPWM - BWI
Nonstop1h 40mSouthwest
Deal found 11/23$322

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 novembre 26, 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

mar. 12/16

10:40 am-12:10 pm

Nonstop1h 30m

Portland

mar. 1/6

12:45 pm-2:30 pm

Nonstop1h 45m

$261

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

jeu. 12/11

9:11 pm-9:06 am

1 stop11h 55m

Portland

lun. 12/15

9:46 am-9:22 am

1 stop23h 36m

$266

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mer. 1/7

8:45 pm-10:15 pm

Nonstop1h 30m

Portland

sam. 1/10

12:35 pm-2:20 pm

Nonstop1h 45m

$271

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mer. 1/7

1:25 pm-2:55 pm

Nonstop1h 30m

Portland

lun. 1/12

12:45 pm-2:30 pm

Nonstop1h 45m

$271

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mer. 1/7

2:46 pm-10:07 pm

1 stop7h 21m

Portland

sam. 1/10

7:00 am-1:56 pm

1 stop6h 56m

$281

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mer. 1/7

2:46 pm-10:07 pm

1 stop7h 21m

Portland

lun. 1/12

7:00 am-1:56 pm

1 stop6h 56m

$282

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

sam. 1/31

2:46 pm-10:07 pm

1 stop7h 21m

Portland

dim. 2/1

7:00 am-1:56 pm

1 stop6h 56m

$310

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

sam. 1/31

1:20 pm-2:50 pm

Nonstop1h 30m

Portland

dim. 2/1

1:00 pm-2:45 pm

Nonstop1h 45m

$310

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

ven. 1/9

5:25 pm-12:20 am

2 stops6h 55m

Portland

mar. 1/13

6:00 am-4:38 pm

2 stops10h 38m

$315

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mar. 12/30

10:35 pm-12:05 am

Nonstop1h 30m

Portland

ven. 1/2

5:30 am-7:15 am

Nonstop1h 45m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 20 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Portland, Maine flight deals on Cheapflights vs. eDreams >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 November 21, 2025.

Booking 83 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, March is the cheapest month in which you can book a flight from Baltimore to Portland, Maine (average of $43). Flying from Baltimore to Portland, Maine in September is currently the most expensive (average of $114). 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 novembre 26, 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 17% on your trip compared to booking a flight at noon.

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 November 25, 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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 novembre 26, 2025.
Read through reviews of airlines operating flights from Baltimore to Portland, such as Southwest and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,038 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 2 airlines.

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

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

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

    Departing from Baltimore to Portland, Maine will take you 1h 30m. There are 451 mi between Baltimore and Portland, Maine. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Southwest is currently your cheapest option to Portland, Maine, with prices starting at $243. Another option worth looking into is American Airlines, starting at $318 round trip. You may be able to fly from Baltimore to Portland, Maine for 35% less than the average price by searching for these airlines.

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

    While on average a flight from Baltimore to Portland, Maine is generally $447, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Baltimore/Washington - Portland), you can expect to pay $261 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, March is the cheapest month in which you can book a flight from Baltimore to Portland, Maine (average of $43). Flying from Baltimore to Portland, Maine in September is currently the most expensive (average of $114). 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
Brunswick
Auburn
Conway

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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 2 airlines flying from Baltimore to Portland

Discover the top 2 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 novembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$243Average$378FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$318Average$486FlexibilityNo cancel feeOn-time71%

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