Cheap flights from Baltimore to Boston from $87

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 5/19. 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
7:25 pm - 8:45 pm
BWI
-
BOS
1h 20mnonstop
Spirit Airlines Logo
5:55 am - 7:35 am
BOS
-
BWI
1h 40mnonstop
$136Spirit Airlines
Wed, Jul 29 - Wed, Aug 12
Spirit Airlines Logo
9:59 pm - 11:25 pm
BWI
-
BOS
1h 26mnonstop
Spirit Airlines Logo
6:30 am - 8:07 am
BOS
-
BWI
1h 37mnonstop
$138Spirit Airlines
Fri, Apr 17 - Tue, Apr 21
Spirit Airlines Logo
9:56 pm - 11:22 pm
BWI
-
BOS
1h 26mnonstop
Spirit Airlines Logo
6:30 am - 8:07 am
BOS
-
BWI
1h 37mnonstop
$139Spirit Airlines
Fri, May 22 - Tue, May 26
Frontier Logo
9:25 pm - 7:49 am
BWI
-
BOS
10h 24m
1 stop
Frontier Logo
12:01 pm - 10:57 pm
BOS
-
BWI
10h 56m
1 stop
$140Frontier
Tue, May 5 - Wed, May 6
Spirit Airlines Logo
6:25 am - 7:48 am
BWI
-
BOS
1h 23mnonstop
Spirit Airlines Logo
6:30 am - 8:07 am
BOS
-
BWI
1h 37mnonstop
$141Spirit Airlines
Sat, Apr 18 - Tue, Apr 21
Spirit Airlines Logo
9:59 pm - 11:25 pm
BWI
-
BOS
1h 26mnonstop
Spirit Airlines Logo
10:26 pm - 11:54 pm
BOS
-
BWI
1h 28mnonstop
$142Spirit Airlines
Thu, Apr 16 - Fri, Apr 17
Southwest Logo
6:45 am - 8:15 am
BWI
-
BOS
1h 30mnonstop
Southwest Logo
11:40 am - 1:15 pm
BOS
-
BWI
1h 35mnonstop
$143Southwest
Wed, Apr 29 - Wed, Apr 29
Spirit Airlines Logo
7:30 am - 8:54 am
BWI
-
BOS
1h 24mnonstop
Spirit Airlines Logo
6:30 am - 8:07 am
BOS
-
BWI
1h 37mnonstop
$144Spirit Airlines
Mon, Jun 8 - Tue, Jun 9
Multiple Airlines Logo
5:58 pm - 1:31 am
BWI
-
BOS
7h 33m
1 stop
Multiple Airlines Logo
5:45 am - 7:11 am
BOS
-
BWI
1h 26mnonstop
$145Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Spirit Airlines Logo
6:35 am - 7:58 am
BWI
-
BOS
1h 23mnonstop
Spirit Airlines Logo
12:57 pm - 9:04 pm
BOS
-
BWI
8h 07m
1 stop
$146Spirit Airlines
Thu, Apr 30 - Thu, Apr 30

Spirit Airlines flights from Baltimore to Boston

Our best Spirit Airlines deals on Baltimore to Boston flight tickets
Spirit Airlines
Jul 29
BWI7:25 pmBaltimore/Washington
1h 20m
BOS8:45 pmBoston Logan Intl
Aug 12
BOS5:55 amBoston Logan Intl
1h 40m
BWI7:35 amBaltimore/Washington
$136
Spirit Airlines
Apr 17
BWI9:59 pmBaltimore/Washington
1h 26m
BOS11:25 pmBoston Logan Intl
Apr 21
BOS6:30 amBoston Logan Intl
1h 37m
BWI8:07 amBaltimore/Washington
$138
Spirit Airlines
May 22
BWI9:56 pmBaltimore/Washington
1h 26m
BOS11:22 pmBoston Logan Intl
May 26
BOS6:30 amBoston Logan Intl
1h 37m
BWI8:07 amBaltimore/Washington
$139

Frontier flights from Baltimore to Boston

Our best Frontier deals on Baltimore to Boston flight tickets
Frontier
May 5
BWI9:25 pmBaltimore/Washington
10h 24m
1 stop
BOS7:49 amBoston Logan Intl
May 6
BOS12:01 pmBoston Logan Intl
10h 56m
1 stop
BWI10:57 pmBaltimore/Washington
$140
Frontier
May 5
BWI9:25 pmBaltimore/Washington
10h 24m
1 stop
BOS7:49 amBoston Logan Intl
May 8
BOS12:01 pmBoston Logan Intl
10h 56m
1 stop
BWI10:57 pmBaltimore/Washington
$160
Frontier
May 29
BWI7:23 pmBaltimore/Washington
6h 01m
1 stop
BOS1:24 amBoston Logan Intl
Jun 1
BOS6:00 amBoston Logan Intl
12h 28m
1 stop
BWI6:28 pmBaltimore/Washington
$180

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 March 27, 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

Cheapest round-trip

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 7/29

7:25 pm-8:45 pm

Nonstop1h 20m

Boston Logan Intl

Wed 8/12

5:55 am-7:35 am

Nonstop1h 40m

$136

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 4/17

9:59 pm-11:25 pm

Nonstop1h 26m

Boston Logan Intl

Tue 4/21

6:30 am-8:07 am

Nonstop1h 37m

$138

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 5/22

9:56 pm-11:22 pm

Nonstop1h 26m

Boston Logan Intl

Tue 5/26

6:30 am-8:07 am

Nonstop1h 37m

$139

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 5/5

9:25 pm-7:49 am

1 stop10h 24m

Boston Logan Intl

Wed 5/6

12:01 pm-10:57 pm

1 stop10h 56m

$140

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 4/18

6:25 am-7:48 am

Nonstop1h 23m

Boston Logan Intl

Tue 4/21

6:30 am-8:07 am

Nonstop1h 37m

$141
Quickest round-trip

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 4/16

9:59 pm-11:25 pm

Nonstop1h 26m

Boston Logan Intl

Fri 4/17

10:26 pm-11:54 pm

Nonstop1h 28m

$142

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/29

6:45 am-8:15 am

Nonstop1h 30m

Boston Logan Intl

Wed 4/29

11:40 am-1:15 pm

Nonstop1h 35m

$143

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 6/8

7:30 am-8:54 am

Nonstop1h 24m

Boston Logan Intl

Tue 6/9

6:30 am-8:07 am

Nonstop1h 37m

$144

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 4/16

5:58 pm-1:31 am

1 stop7h 33m

Boston Logan Intl

Mon 4/20

5:45 am-7:11 am

Nonstop1h 26m

$145

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 4/30

6:35 am-7:58 am

Nonstop1h 23m

Boston Logan Intl

Thu 4/30

12:57 pm-9:04 pm

1 stop8h 07m

$146

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 typical price of a round-trip flight between Baltimore and Boston?

What is the cheapest month to fly to Boston?

In general, May 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 $179. If you aren’t able to travel during the month of May, then book flights to Boston from Baltimore during July instead. Flights to Boston in July, while not as cheap as those in May, still average around $195.

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 $283. 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 $372.

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 $262. 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 $235 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 $168 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?

No. A direct flight is the cheapest option for a flight between Baltimore to Boston.

How have Baltimore to Boston flight prices changed over time?

As of March 2026, prices for Baltimore to Boston flights are approximately 21% 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

$161

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Baltimore in the past 72 hours is $161. The best round-trip flight deal from Baltimore to Boston found on momondo in the last 72 hours is $209.
The fastest flight from Baltimore to Boston takes 1h 20m
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 20m 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 $49Free CancellationRating
6.3
8,547 reviews
Search Spirit Airlines flights
DeltaPriceFrom $86Free CancellationRating
7.9
8,336 reviews
Search Delta flights
JetBluePriceFrom $127Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
United AirlinesPriceFrom $141Free CancellationRating
7.4
9,493 reviews
Search United Airlines flights
SouthwestPriceFrom $162Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to Boston

    Southwest flies from Baltimore to Boston around 30 times per week, with 4,331 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Baltimore to Boston in the last 72 hours was $162 (round-trip), much lower than the average airfare cost of $277 for Southwest flights on this route.

  • Delta Flights From Baltimore to Boston

    Across 8,336 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Baltimore to Boston about 9 times each week, with ticket deals ranging from $86 to $234. 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
Brockton
Warwick
Chatham
Laconia
Nashua
Sturbridge
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
Sun 4/26
Sun 5/3

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