Cheap flights from Baltimore to Boston from $48

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
11:30 am - 11:44 pm
BWI
-
BOS
12h 14m
2 stops
Spirit Airlines Logo
5:49 pm - 9:14 am
BOS
-
BWI
15h 25m
1 stop
$188Spirit Airlines
Tue, Mar 10 - Tue, Mar 17
Spirit Airlines Logo
11:57 am - 1:27 pm
BWI
-
BOS
1h 30mnonstop
Spirit Airlines Logo
2:22 pm - 3:52 pm
BOS
-
BWI
1h 30mnonstop
$189Spirit Airlines
Sat, May 23 - Thu, Jun 4
Spirit Airlines Logo
10:19 am - 11:59 pm
BWI
-
BOS
13h 40m
1 stop
Spirit Airlines Logo
5:49 pm - 9:14 am
BOS
-
BWI
15h 25m
1 stop
$190Spirit Airlines
Wed, Apr 8 - Mon, Apr 13
Spirit Airlines Logo
12:30 pm - 4:45 pm
BWI
-
BOS
28h 15m
3 stops
Spirit Airlines Logo
5:27 am - 5:46 pm
BOS
-
BWI
12h 19m
1 stop
$191Spirit Airlines
Mon, Mar 2 - Wed, Mar 4
Frontier Logo
5:35 pm - 10:21 am
BWI
-
BOS
16h 46m
1 stop
Frontier Logo
6:00 am - 4:13 pm
BOS
-
BWI
10h 13m
1 stop
$192Frontier
Fri, Apr 17 - Mon, Apr 20
Multiple Airlines Logo
5:58 pm - 1:13 am
BWI
-
BOS
7h 15m
1 stop
Multiple Airlines Logo
4:22 pm - 10:53 pm
BOS
-
BWI
6h 31m
1 stop
$193Multiple Airlines
Tue, Feb 24 - Thu, Feb 26
Spirit Airlines Logo
6:00 am - 7:20 am
BWI
-
BOS
1h 20mnonstop
Spirit Airlines Logo
8:52 am - 10:32 am
BOS
-
BWI
1h 40mnonstop
$194Spirit Airlines
Sat, Aug 1 - Tue, Aug 11
Delta Logo
10:49 am - 12:19 pm
BWI
-
BOS
1h 30mnonstop
Delta Logo
5:25 pm - 7:09 pm
BOS
-
BWI
1h 44mnonstop
$195Delta
Tue, Mar 3 - Tue, Mar 3
Frontier Logo
5:31 am - 11:41 am
BWI
-
BOS
6h 10m
1 stop
Frontier Logo
11:51 am - 12:41 am
BOS
-
BWI
12h 50m
1 stop
$196Frontier
Fri, Mar 13 - Wed, Mar 18
Multiple Airlines Logo
5:58 pm - 1:13 am
BWI
-
BOS
7h 15m
1 stop
Multiple Airlines Logo
4:22 pm - 10:53 pm
BOS
-
BWI
6h 31m
1 stop
$197Multiple Airlines
Tue, Feb 24 - Fri, Feb 27

Southwest flights from Baltimore to Boston

Our best Southwest deals on Baltimore to Boston flight tickets
Southwest
Mar 3
BWI10:55 amBaltimore/Washington
1h 30m
BOS12:25 pmBoston Logan Intl
Mar 3
BOS5:50 pmBoston Logan Intl
1h 40m
BWI7:30 pmBaltimore/Washington
$195
Southwest
Mar 26
BWI8:15 amBaltimore/Washington
1h 35m
BOS9:50 amBoston Logan Intl
Apr 2
BOS5:30 amBoston Logan Intl
1h 40m
BWI7:10 amBaltimore/Washington
$215
Southwest
Mar 28
BWI10:30 pmBaltimore/Washington
1h 35m
BOS12:05 amBoston Logan Intl
Apr 1
BOS12:00 pmBoston Logan Intl
1h 35m
BWI1:35 pmBaltimore/Washington
$216

Spirit Airlines flights from Baltimore to Boston

Our best Spirit Airlines deals on Baltimore to Boston flight tickets
Spirit Airlines
Mar 10
BWI11:30 amBaltimore/Washington
12h 14m
2 stops
BOS11:44 pmBoston Logan Intl
Mar 17
BOS5:49 pmBoston Logan Intl
15h 25m
1 stop
BWI9:14 amBaltimore/Washington
$188
Spirit Airlines
May 23
BWI11:57 amBaltimore/Washington
1h 30m
BOS1:27 pmBoston Logan Intl
Jun 4
BOS2:22 pmBoston Logan Intl
1h 30m
BWI3:52 pmBaltimore/Washington
$189
Spirit Airlines
Apr 8
BWI10:19 amBaltimore/Washington
13h 40m
1 stop
BOS11:59 pmBoston Logan Intl
Apr 13
BOS5:49 pmBoston Logan Intl
15h 25m
1 stop
BWI9:14 amBaltimore/Washington
$190

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Boston 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 February 11, 2026.
Use the filters below to find and compare flights from Baltimore to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 3/10

11:30 am-11:44 pm

2 stops12h 14m

Boston Logan Intl

Tue 3/17

5:49 pm-9:14 am

1 stop15h 25m

$188

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 5/23

11:57 am-1:27 pm

Nonstop1h 30m

Boston Logan Intl

Thu 6/4

2:22 pm-3:52 pm

Nonstop1h 30m

$189

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/8

10:19 am-11:59 pm

1 stop13h 40m

Boston Logan Intl

Mon 4/13

5:49 pm-9:14 am

1 stop15h 25m

$190

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 3/2

12:30 pm-4:45 pm

3 stops28h 15m

Boston Logan Intl

Wed 3/4

5:27 am-5:46 pm

1 stop12h 19m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 4/17

5:35 pm-10:21 am

1 stop16h 46m

Boston Logan Intl

Mon 4/20

6:00 am-4:13 pm

1 stop10h 13m

$192

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 2/24

5:58 pm-1:13 am

1 stop7h 15m

Boston Logan Intl

Thu 2/26

4:22 pm-10:53 pm

1 stop6h 31m

$193

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 8/1

6:00 am-7:20 am

Nonstop1h 20m

Boston Logan Intl

Tue 8/11

8:52 am-10:32 am

Nonstop1h 40m

$194

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 3/3

10:49 am-12:19 pm

Nonstop1h 30m

Boston Logan Intl

Tue 3/3

5:25 pm-7:09 pm

Nonstop1h 44m

$195

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 3/13

5:31 am-11:41 am

1 stop6h 10m

Boston Logan Intl

Wed 3/18

11:51 am-12:41 am

1 stop12h 50m

$196

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 2/24

5:58 pm-1:13 am

1 stop7h 15m

Boston Logan Intl

Fri 2/27

4:22 pm-10:53 pm

1 stop6h 31m

$197

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 Boston

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 Boston?

In general, March is the cheapest month to fly from Baltimore to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $138. If you aren’t able to travel during the month of March, then book flights to Boston from Baltimore during May instead. Flights to Boston in May, while not as cheap as those in March, still average around $177.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Baltimore to Boston is on a Thursday when prices can be found for as low as $278. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $374.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Baltimore to Boston in the evening for as low as $254. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $413 per ticket.

What is the cheapest Baltimore/Washington to Boston Logan Intl flight route?

Fly from Baltimore/Washington to Boston Logan Intl for the best Baltimore/Washington - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $224 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Baltimore for as low as $160 on momondo.

What cabin class options are available on Baltimore/Washington to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Boston Logan Intl 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 Boston flights?

You could potentially save up to 19% on your flight if you consider stops on a Baltimore to Boston flight.

How have Baltimore to Boston flight prices changed over time?

As of February 2026, prices for Baltimore to Boston flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to Boston

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

Cheap Baltimore to Boston (BWI to BOS) flight deals and tips

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

Best Price Found

$151

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Baltimore in the past 72 hours is $151. The best round-trip flight deal from Baltimore to Boston found on momondo in the last 72 hours is $235.
The fastest flight from Baltimore to Boston takes 1h 15m
Direct flights go from Baltimore to Boston every day.
There is 1 airport in Boston. From Baltimore there are direct flights to Boston Logan Intl (BOS).
  • How far is Baltimore/Washington to Boston Logan Intl by plane?

    There are 359.2 mi between Baltimore/Washington and Boston Logan Intl. Typically, this will take 1h 15m by plane in normal conditions.

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

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

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

  • How old do you have to be to fly from Baltimore/Washington Airport to Boston Logan Intl 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 Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Baltimore to Boston?

  • What is the most popular airline from Baltimore to Boston?

Best airlines flying from Baltimore to Boston

Compare and see reviews for airlines that fly from Baltimore to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $44Free CancellationRating
6.3
8,444 reviews
Search Spirit Airlines flights
DeltaPriceFrom $82Free CancellationRating
7.9
8,180 reviews
Search Delta flights
JetBluePriceFrom $127Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
United AirlinesPriceFrom $141Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
SouthwestPriceFrom $161Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to Boston

    Southwest flies from Baltimore to Boston around 24 times per week, with 4,280 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Baltimore to Boston in the last 72 hours was $161 (round-trip), much lower than the average airfare cost of $270 for Southwest flights on this route.

  • Delta Flights From Baltimore to Boston

    Across 8,180 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Baltimore to Boston about 6 times each week, with ticket deals ranging from $82 to $225. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Warwick
Sturbridge
Chatham
Everett

Why use momondo?

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

Finding the right flight to Boston from Baltimore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

All flight searches from Baltimore to Boston on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Boston.

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

Yes momondo offers price alerts on flights to Boston from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Boston 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.

Get notified when prices go down

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1 adult
Fri 3/13
Fri 3/20

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