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Cheap flights from Baltimore to Boston from $76

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 9/30. 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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Find the cheapest flights from Baltimore to Boston (BWI-BOS)

Cheap round-trip flights

Frontier Logo
8:21 am - 8:11 amBWI-BOS
23h 50m1 stop
Frontier Logo
10:13 am - 7:29 amBOS-BWI
21h 16m1 stop
$115Frontier
Find Deal
Fri, Sep 19 - Thu, Sep 25
Logo
8:14 pm - 7:43 amBWI-BOS
11h 29m1 stop
Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
$123
Find Deal
Fri, Sep 12 - Wed, Sep 17
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
Spirit Airlines Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
$139Spirit Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 17
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
Spirit Airlines Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
$149Spirit Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 17
Southwest Logo
6:40 am - 8:10 amBWI-BOS
1h 30mnonstop
Southwest Logo
5:30 am - 7:05 amBOS-BWI
1h 35mnonstop
$151Southwest
Find Deal
Wed, Oct 1 - Wed, Oct 8
Southwest Logo
8:40 pm - 10:15 pmBWI-BOS
1h 35mnonstop
Southwest Logo
2:10 pm - 3:50 pmBOS-BWI
1h 40mnonstop
$156Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
3:06 pm - 7:55 pmBWI-BOS
4h 49m1 stop
American Airlines Logo
2:18 pm - 7:29 pmBOS-BWI
5h 11m1 stop
$171American Airlines
Find Deal
Tue, Oct 21 - Wed, Oct 22
Delta Logo
6:15 am - 8:03 amBWI-BOS
1h 48mnonstop
Delta Logo
6:20 am - 8:12 amBOS-BWI
1h 52mnonstop
$174Delta
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
10:45 am - 3:47 pmBWI-BOS
5h 02m1 stop
American Airlines Logo
8:30 am - 1:51 pmBOS-BWI
5h 21m1 stop
$176American Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Delta Logo
5:00 pm - 6:42 pmBWI-BOS
1h 42mnonstop
Delta Logo
3:40 pm - 5:26 pmBOS-BWI
1h 46mnonstop
$179Delta
Find Deal
Fri, Oct 31 - Sat, Nov 1

Spirit Airlines flights from Baltimore to Boston

Our best Spirit Airlines deals on Baltimore to Boston flight tickets
Spirit Airlines
Sep 15
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 17
BOS12:20 pmBoston Logan Intl
7h 27m
1 stop
BWI7:47 pmBaltimore/Washington
$139
Find similar
Spirit Airlines
Sep 10
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 24
BOS12:20 pmBoston Logan Intl
7h 27m
1 stop
BWI7:47 pmBaltimore/Washington
$148
Find similar
Spirit Airlines
Sep 15
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 17
BOS12:20 pmBoston Logan Intl
7h 27m
1 stop
BWI7:47 pmBaltimore/Washington
$149
Find similar

Frontier flights from Baltimore to Boston

Our best Frontier deals on Baltimore to Boston flight tickets
Frontier
Sep 19
BWI8:21 amBaltimore/Washington
23h 50m
1 stop
BOS8:11 amBoston Logan Intl
Sep 25
BOS10:13 amBoston Logan Intl
21h 16m
1 stop
BWI7:29 amBaltimore/Washington
$115
Find similar
Frontier
Oct 31
BWI9:11 pmBaltimore/Washington
11h 17m
1 stop
BOS8:28 amBoston Logan Intl
Nov 1
BOS11:43 amBoston Logan Intl
12h 19m
1 stop
BWI12:02 amBaltimore/Washington
$125
Find similar
Frontier
Sep 12
BWI8:14 pmBaltimore/Washington
11h 29m
1 stop
BOS7:43 amBoston Logan Intl
Sep 18
BOS10:53 amBoston Logan Intl
8h 17m
1 stop
BWI7:10 pmBaltimore/Washington
$167
Find similar

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 September 2, 2025.
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

Fri 9/19

8:21 am-8:11 am

1 stop23h 50m

Boston Logan Intl

Thu 9/25

10:13 am-7:29 am

1 stop21h 16m

$115

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 9/12

8:14 pm-7:43 am

1 stop11h 29m

Boston Logan Intl

Wed 9/17

12:20 pm-7:47 pm

1 stop7h 27m

$123

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 9/15

4:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Wed 9/17

12:20 pm-7:47 pm

1 stop7h 27m

$139

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 9/15

4:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Wed 9/17

12:20 pm-7:47 pm

1 stop7h 27m

$149

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/1

6:40 am-8:10 am

Nonstop1h 30m

Boston Logan Intl

Wed 10/8

5:30 am-7:05 am

Nonstop1h 35m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/1

8:40 pm-10:15 pm

Nonstop1h 35m

Boston Logan Intl

Tue 11/4

2:10 pm-3:50 pm

Nonstop1h 40m

$156

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/21

3:06 pm-7:55 pm

1 stop4h 49m

Boston Logan Intl

Wed 10/22

2:18 pm-7:29 pm

1 stop5h 11m

$171

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/3

6:15 am-8:03 am

Nonstop1h 48m

Boston Logan Intl

Wed 10/8

6:20 am-8:12 am

Nonstop1h 52m

$174

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/1

10:45 am-3:47 pm

1 stop5h 02m

Boston Logan Intl

Tue 11/4

8:30 am-1:51 pm

1 stop5h 21m

$176

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/31

5:00 pm-6:42 pm

Nonstop1h 42m

Boston Logan Intl

Sat 11/1

3:40 pm-5:26 pm

Nonstop1h 46m

$179

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, February 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 $101. If you aren’t able to travel during the month of February, then book flights to Boston from Baltimore during March instead. Flights to Boston in March, while not as cheap as those in February, still average around $110.

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 $276. 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 $369.

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 $248. 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 $431 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 $164 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 $102 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.

How have Baltimore to Boston flight prices changed over time?

As of September 2025, prices for Baltimore to Boston flights are approximately 24% cheaper 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

$148

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Baltimore in the past 72 hours is $148. The best round-trip flight deal from Baltimore to Boston found on momondo in the last 72 hours is $219.
The fastest flight from Baltimore to Boston takes 1h 30m
Direct flights go from Baltimore to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • 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 30m 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 $48Free CancellationRating
6.3
8,010 reviews
Search Spirit Airlines flights
DeltaPriceFrom $105Free CancellationRating
7.9
7,973 reviews
Search Delta flights
JetBluePriceFrom $147Free CancellationRating
7.2
2,918 reviews
Search JetBlue flights
SouthwestPriceFrom $161Free CancellationRating
8.0
4,237 reviews
Search Southwest flights

  • Southwest Flights From Baltimore to Boston

    Southwest flies from Baltimore to Boston around 30 times per week, with 4,237 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 $265 for Southwest flights on this route.

  • Delta Flights From Baltimore to Boston

    Across 7,973 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Baltimore to Boston about 7 times each week, with ticket deals ranging from $105 to $222. 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
Plymouth
Kennebunkport
Cambridge
Narragansett
Nashua
South Yarmouth
Gloucester
Brockton
Laconia
Concord
Falmouth
Everett
Wells
Sturbridge

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.
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