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Cheap flights from Baltimore to Boston from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Boston departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Delta Logo
6:00 am - 12:00 pmBWI-PWM
6h 00m1 stop
Delta Logo
12:45 pm - 4:54 pmPWM-BWI
4h 09m1 stop
$213Delta
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
6:00 am - 12:00 pmBWI-PWM
6h 00m1 stop
Delta Logo
1:46 pm - 11:02 pmPWM-BWI
9h 16m2 stops
$218Delta
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
6:00 am - 4:13 pmBWI-PWM
10h 13m2 stops
Delta Logo
1:46 pm - 11:02 pmPWM-BWI
9h 16m2 stops
$223Delta
Find Deal
Wed, Oct 29 - Wed, Nov 5
Southwest Logo
10:35 pm - 12:05 amBWI-PWM
1h 30mnonstop
Southwest Logo
9:00 am - 10:35 amPWM-BWI
1h 35mnonstop
$231Southwest
Find Deal
Mon, Oct 27 - Thu, Oct 30
Southwest Logo
8:55 pm - 10:25 pmBWI-PWM
1h 30mnonstop
Southwest Logo
7:40 am - 9:15 amPWM-BWI
1h 35mnonstop
$232Southwest
Find Deal
Sat, Oct 25 - Wed, Oct 29
Delta Logo
6:00 am - 12:08 pmBWI-PWM
6h 08m1 stop
Delta Logo
4:53 pm - 11:00 pmPWM-BWI
6h 07m1 stop
$241Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
10:45 am - 5:09 pmBWI-PWM
6h 24m1 stop
American Airlines Logo
3:38 pm - 8:48 pmPWM-BWI
5h 10m1 stop
$250American Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28
American Airlines Logo
8:05 am - 1:52 pmBWI-PWM
5h 47m1 stop
American Airlines Logo
3:38 pm - 8:48 pmPWM-BWI
5h 10m1 stop
$251American Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Multiple Airlines Logo
8:30 pm - 9:06 amBWI-PWM
12h 36m1 stop
Multiple Airlines Logo
3:15 pm - 11:07 pmPWM-BWI
31h 52m2 stops
$315Multiple Airlines
Find Deal
Sun, Oct 26 - Sun, Nov 2
Multiple Airlines Logo
9:41 pm - 10:36 amBWI-PWM
12h 55m1 stop
Multiple Airlines Logo
9:46 am - 10:36 pmPWM-BWI
12h 50m2 stops
$328Multiple Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27

Delta flights from Baltimore to Portland, Maine

Our best Delta deals on Baltimore to Portland, Maine flight tickets
Delta
Oct 29
BWI6:00 amBaltimore/Washington
6h 00m
1 stop
PWM12:00 pmPortland
Nov 5
PWM12:45 pmPortland
4h 09m
1 stop
BWI4:54 pmBaltimore/Washington
$213
Find similar
Delta
Oct 29
BWI6:00 amBaltimore/Washington
6h 00m
1 stop
PWM12:00 pmPortland
Nov 5
PWM1:46 pmPortland
9h 16m
2 stops
BWI11:02 pmBaltimore/Washington
$218
Find similar
Delta
Oct 29
BWI6:00 amBaltimore/Washington
10h 13m
2 stops
PWM4:13 pmPortland
Nov 5
PWM1:46 pmPortland
9h 16m
2 stops
BWI11:02 pmBaltimore/Washington
$223
Find similar

Southwest flights from Baltimore to Portland, Maine

Our best Southwest deals on Baltimore to Portland, Maine flight tickets
Southwest
Oct 27
BWI10:35 pmBaltimore/Washington
1h 30m
PWM12:05 amPortland
Oct 30
PWM9:00 amPortland
1h 35m
BWI10:35 amBaltimore/Washington
$231
Find similar
Southwest
Oct 25
BWI8:55 pmBaltimore/Washington
1h 30m
PWM10:25 pmPortland
Oct 29
PWM7:40 amPortland
1h 35m
BWI9:15 amBaltimore/Washington
$232
Find similar
Southwest
Nov 3
BWI1:25 pmBaltimore/Washington
1h 30m
PWM2:55 pmPortland
Nov 6
PWM5:30 amPortland
1h 45m
BWI7:15 amBaltimore/Washington
$246
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Portland, Maine 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, momondo users made 832,500 searches. Data last updated September 30, 2025.
Use the filters below to find and compare flights from Baltimore to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Wed 10/29

6:00 am-12:00 pm

1 stop6h 00m

Portland

Wed 11/5

12:45 pm-4:54 pm

1 stop4h 09m

$213

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Wed 10/29

6:00 am-12:00 pm

1 stop6h 00m

Portland

Wed 11/5

1:46 pm-11:02 pm

2 stops9h 16m

$218

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Wed 10/29

6:00 am-4:13 pm

2 stops10h 13m

Portland

Wed 11/5

1:46 pm-11:02 pm

2 stops9h 16m

$223

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Mon 10/27

10:35 pm-12:05 am

Nonstop1h 30m

Portland

Thu 10/30

9:00 am-10:35 am

Nonstop1h 35m

$231

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sat 10/25

8:55 pm-10:25 pm

Nonstop1h 30m

Portland

Wed 10/29

7:40 am-9:15 am

Nonstop1h 35m

$232

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Thu 11/13

6:00 am-12:08 pm

1 stop6h 08m

Portland

Mon 11/17

4:53 pm-11:00 pm

1 stop6h 07m

$241

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sat 10/25

10:45 am-5:09 pm

1 stop6h 24m

Portland

Tue 10/28

3:38 pm-8:48 pm

1 stop5h 10m

$250

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Mon 10/27

8:05 am-1:52 pm

1 stop5h 47m

Portland

Thu 10/30

3:38 pm-8:48 pm

1 stop5h 10m

$251

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sun 10/26

8:30 pm-9:06 am

1 stop12h 36m

Portland

Sun 11/2

3:15 pm-11:07 pm

2 stops31h 52m

$315

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Fri 10/24

9:41 pm-10:36 am

1 stop12h 55m

Portland

Mon 10/27

9:46 am-10:36 pm

2 stops12h 50m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Baltimore to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Baltimore is in April. Flight prices, which tend to average around $252, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $289.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Baltimore is on a Saturday. momondo users have found tickets for Saturday departures for as low as $285. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $363.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from Baltimore to Portland, Maine when you can find flight prices for as low as $294. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $379. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Baltimore/Washington to Portland flight route?

Fly from Baltimore/Washington to Portland for the best Baltimore/Washington - Portland flight prices

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Baltimore for as low as $281 on momondo.

What cabin class options are available on Baltimore/Washington to Portland flights?

There is only 1 cabin class available to choose from on Baltimore/Washington to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Baltimore to Portland, Maine flights?

You could potentially save up to 8% on your flight if you consider stops on a Baltimore to Portland, Maine flight.

How have Baltimore to Portland, Maine flight prices changed over time?

When to book flights from Baltimore to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Portland, Maine (BWI to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Portland, Maine

Best Price Found

$129

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Baltimore in the past 72 hours is $129. The best round-trip flight deal from Baltimore to Portland, Maine found on momondo in the last 72 hours is $239.
The fastest flight from Baltimore to Portland, Maine takes 1h 30m
Direct flights go from Baltimore to Portland, Maine every day.
There is 1 airport near Portland, Maine: Portland (PWM)
Search flight deals

  • How far is Baltimore/Washington to Portland by plane?

    A flight from Baltimore/Washington to Portland will travel around 446.1 mi. Flights usually cover this in 1h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Portland Airport?

    Prices for flights from Baltimore/Washington Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Portland Airport?

  • How old do you have to be to fly from Baltimore/Washington Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Baltimore to Portland, Maine?

  • What is the most popular airline from Baltimore to Portland, Maine?

Best airlines flying from Baltimore to Portland, Maine

Compare and see reviews for airlines that fly from Baltimore to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $169Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
SouthwestPriceFrom $244Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Baltimore to Portland, Maine

    Southwest operates around 7 flights from Baltimore to Portland, Maine every week. The average price of these flights found in the last 72 hours has been $369, but momondo users have found Southwest deals from Baltimore to Portland, Maine from as low as $244 round-trip. Southwest has been scored 8.0/10 in 4,245 reviews.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Bartlett
Brunswick
Gorham
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Portland for you.

Can I find flights from Baltimore to Portland with flexible booking policies on momondo?

Flights from Baltimore to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Portland?

momondo helps you find the best flight between Baltimore and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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