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$100+ Cheap flights from Portland, ME to Baltimore (PWM - BWI)

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BWI
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Baltimore/Washington are usually found in March or January, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap flight deals from Portland to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Baltimore (BWI). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(Booking.com)

One-way from

$106
(Frontier)

Popular in

July

Cheapest in

March

Average price

$319
Provider with most accurate pricing for Portland-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Portland-Baltimore/Washington flights.
Search Deals
From Portland to Baltimore/Washington
Search Deals
One-way flight from Portland to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Portland to Baltimore

Cheapest flights from Portland to Baltimore
Explore the most affordable flight options available from Portland to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:12 amPWM - BWI
1 stop21h 13mFrontier
Wed 4/99:15 amBWI - PWM
1 stop24h 12mFrontier
Deal found 3/23$219
This Southwest deal was found by Cheapflights users on 3/23. 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.
Mon 4/142:30 pmPWM - BWI
Nonstop1h 35mSouthwest
Wed 4/1610:00 amBWI - PWM
Nonstop1h 30mSouthwest
Deal found 3/23$245
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/167:00 amPWM - BWI
1 stop4h 52mDelta
Mon 4/215:40 pmBWI - PWM
1 stop5h 34mDelta
Deal found 3/24$265
This American Airlines deal was found by Cheapflights users on 3/23. 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 6/52:49 pmPWM - BWI
1 stop6h 02mAmerican Airlines
Mon 6/95:38 pmBWI - PWM
1 stop5h 06mAmerican Airlines
Deal found 3/23$302
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/238:12 pmPWM - BWI
2 stops22h 38mMultiple Airlines
Wed 4/307:55 pmBWI - PWM
2 stops18h 34mMultiple Airlines
Deal found 3/24$525
This United deal was found by Cheapflights users on 3/24. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:10 amPWM - BWI
1 stop17h 14mUnited Airlines
Sat 7/266:15 amBWI - PWM
2 stops16h 59mUnited Airlines
Deal found 3/24$657

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Baltimore 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 March 25, 2025.
Use the filters below to find and compare flights from Portland to Baltimore that are best for you.

Fly from

Portland

Fly to

Baltimore

Route

Depart

Return

Price

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 4/3

10:17 am-7:25 am

1 stop21h 08m

Baltimore/Washington

Sat 5/3

9:21 pm-7:33 pm

1 stop22h 12m

$227

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Mon 4/14

2:30 pm-4:05 pm

Nonstop1h 35m

Baltimore/Washington

Wed 4/16

10:00 am-11:30 am

Nonstop1h 30m

$245

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 4/16

7:00 am-11:52 am

1 stop4h 52m

Baltimore/Washington

Mon 4/21

5:40 pm-11:14 pm

1 stop5h 34m

$265

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 5/10

2:02 pm-7:27 pm

1 stop5h 25m

Baltimore/Washington

Tue 5/13

5:27 pm-11:05 pm

1 stop5h 38m

$280

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 4/30

10:23 am-5:18 pm

1 stop6h 55m

Baltimore/Washington

Wed 4/30

7:55 pm-2:29 pm

2 stops18h 34m

$512

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 8/15

6:20 pm-1:48 pm

1 stop19h 28m

Baltimore/Washington

Mon 8/18

6:50 pm-5:30 pm

2 stops22h 40m

$652

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 7/1

6:01 pm-12:15 am

1 stop6h 14m

$100

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 5/31

4:57 pm-9:07 am

1 stop16h 10m

$110

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 4/24

4:40 pm-6:15 pm

Nonstop1h 35m

$123

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 5/13

5:00 pm-11:20 pm

1 stop6h 20m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 13 results
1
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Compare providers for flights from Portland to Baltimore

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 Portland to Baltimore in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Portland, Maine-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub 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 Portland, Maine-Baltimore 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 Portland to Baltimore

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

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Baltimore. Price data was last updated on March 21, 2025.

The price you pay for your flight from Portland, Maine to Baltimore may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Baltimore (average of $241). Flying from Portland, Maine to Baltimore in March is currently the most expensive (average of $290). 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 BWI?

Find hourly flight availability from Portland to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

One of the essential ways to save on airfare from Portland, Maine to Baltimore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

Rainfall in Baltimore by month

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

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated March 25, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Portland to Baltimore. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

    Baltimore/Washington is the airport most travelers will use when flying to Baltimore from Portland. Booking flights from Portland (PWM) to Baltimore/Washington (BWI) should be relatively easy as there are 2 daily flights to Baltimore from 3 different airlines. 1h 35m is how long a flight from Portland to Baltimore/Washington will take if you book a nonstop flight.

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

    The Portland to Baltimore/Washington flight path was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Frontier, at $219, was found to be the cheapest airline from Portland, Maine to Baltimore.Alternate airlines to your destination round-trip include Southwest and Delta. Frontier is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $106 on Frontier. Other airlines that offer cheap prices include Southwest from $123 and Delta from $133 one-way.

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

    Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Portland - Baltimore/Washington) can be booked for $245 on average our data indicates $323 when flying from Portland, Maine to Baltimore.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Baltimore (average of $241). Flying from Portland, Maine to Baltimore in March is currently the most expensive (average of $290). 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

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Top 3 airlines flying from Portland to Baltimore

Discover the top 3 airlines that operate flights from Portland to Baltimore. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$196Average$370FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$251Average$344FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$254Average$547FlexibilityNo cancel feeOn-time71%
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