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$59+ Cheap flights from Baltimore to Boston (BWI - BOS)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Find cheap flights from Baltimore to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Baltimore/Washington to Boston Logan Intl are usually found in April or August, booked 72 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Baltimore to Boston

Cheapest flights from Baltimore to Boston
Explore the most affordable flight options available from Baltimore to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This Southwest deal was found by Cheapflights users on 7/25. 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.
Thu 9/36:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Sun 9/66:40 am
BOS
-
BWI
Nonstop1h 35m
Southwest
Deal found 7/25$122
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 8/176:27 pm
BWI
-
BOS
Nonstop1h 45m
Delta
Thu 8/206:35 am
BOS
-
BWI
Nonstop1h 45m
Delta
Deal found 7/24$127
This Delta deal was found by Cheapflights users on 7/24. 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.
Fri 9/116:17 am
BWI
-
BOS
Nonstop1h 43m
Delta
Mon 9/148:45 pm
BOS
-
BWI
Nonstop1h 46m
Delta
Deal found 7/24$132
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Mon 9/148:55 pm
BOS
-
BWI
Nonstop1h 45m
Southwest
Deal found 7/24$134
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 8/296:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Sun 9/66:40 am
BOS
-
BWI
Nonstop1h 35m
Southwest
Deal found 7/23$139
This Southwest deal was found by Cheapflights users on 7/22. 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.
Sat 8/154:00 pm
BWI
-
BOS
Nonstop1h 30m
Southwest
Wed 8/195:25 am
BOS
-
BWI
Nonstop1h 30m
Southwest
Deal found 7/22$142
This Southwest deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Mon 8/178:55 pm
BOS
-
BWI
Nonstop1h 40m
Southwest
Deal found 7/22$146
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/189:00 am
BWI
-
BOS
Nonstop1h 38m
Delta
Tue 8/183:55 pm
BOS
-
BWI
Nonstop1h 52m
Delta
Deal found 7/22$147
This Southwest deal was found by Cheapflights users on 7/21. 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.
Sat 10/108:30 pm
BWI
-
BOS
Nonstop1h 35m
Southwest
Tue 10/137:20 pm
BOS
-
BWI
Nonstop1h 35m
Southwest
Deal found 7/21$151
This Delta deal was found by Cheapflights users on 7/24. 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.
Thu 8/206:21 am
BWI
-
BOS
Nonstop1h 39m
Delta
Mon 8/243:55 pm
BOS
-
BWI
Nonstop1h 52m
Delta
Deal found 7/24$152
This Delta deal was found by Cheapflights users on 7/21. 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.
Mon 11/165:33 pm
BWI
-
BOS
Nonstop1h 37m
Delta
Mon 12/148:25 pm
BOS
-
BWI
Nonstop1h 50m
Delta
Deal found 7/21$157
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Sat 9/265:50 am
BOS
-
BWI
Nonstop1h 25m
Southwest
Deal found 7/24$158

Find flight deals from Baltimore to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Boston (BOS). 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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(Southwest)

One-way from

$59
(Southwest)

Popular in

May

Cheapest in

April

Average price

$272
Provider with most accurate pricing for Baltimore/Washington-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Boston Logan Intl flights.
Search Deals
From Baltimore/Washington to Boston Logan Intl
Search Deals
One-way flight from Baltimore/Washington to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 26, 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

Sat 10/3

1:55 pm-3:42 pm

Nonstop1h 47m

Boston Logan Intl

Thu 10/8

6:35 am-8:24 am

Nonstop1h 49m

$127

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 8/17

6:27 pm-8:12 pm

Nonstop1h 45m

Boston Logan Intl

Fri 8/21

6:35 am-8:20 am

Nonstop1h 45m

$158

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/23

6:30 pm-8:10 pm

Nonstop1h 40m

Boston Logan Intl

Thu 10/29

9:05 pm-10:48 pm

Nonstop1h 43m

$186

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/16

9:15 am-10:50 am

Nonstop1h 35m

Boston Logan Intl

Mon 10/19

9:05 pm-10:48 pm

Nonstop1h 43m

$216

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 9/11

6:17 am-8:00 am

Nonstop1h 43m

Boston Logan Intl

Sun 9/13

8:10 am-9:55 am

Nonstop1h 45m

$227

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 9/29

5:40 pm-11:58 pm

1 stop6h 18m

Boston Logan Intl

Tue 10/6

5:39 am-11:34 am

1 stop5h 55m

$257
Quickest round-trip

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 8/10

8:15 am-9:50 am

Nonstop1h 35m

Boston Logan Intl

Sun 8/16

5:55 am-7:25 am

Nonstop1h 30m

$325

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 8/12

6:27 pm-8:12 pm

Nonstop1h 45m

Boston Logan Intl

Fri 8/21

8:45 pm-10:39 pm

Nonstop1h 54m

$325

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sun 10/11

6:30 pm-8:10 pm

Nonstop1h 40m

Boston Logan Intl

Sat 10/17

5:39 am-11:34 am

1 stop5h 55m

$346

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 8/21

5:36 pm-11:59 pm

1 stop6h 23m

Boston Logan Intl

Sun 8/23

8:45 pm-10:39 pm

Nonstop1h 54m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Baltimore to Boston

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 Baltimore to Boston in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 Baltimore-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Boston 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 Baltimore-Boston 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 Baltimore to Boston

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

How far ahead should I book a flight from Baltimore to Boston?

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to Boston?

Currently, April is the cheapest month in which you can book a flight from Baltimore to Boston (average of $231). Flying from Baltimore to Boston in May is currently the most expensive (average of $332). 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 BWI to BOS?

Find hourly flight availability from Baltimore to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 26, 2026.

A simple way to save on the total cost of your ticket is to fly from Baltimore to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Baltimore to Boston?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Boston. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Baltimore to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Baltimore to Boston?

Airfare is below average for this route at the moment.

Baltimore to Boston flights typically cost between $198 and $338 in September.
The cheapest round-trip price found within the last 5 days was $122 on Southwest (Sep 3-Sep 6).

The best insider tips for Baltimore to Boston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Boston trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Southwest

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Emily Zemler

Emily Zemler

Expert on BWI

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Baltimore to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Southwest
8.0
Very good
4,232 reviews
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Delta
7.8
Good
8,489 reviews
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
United Airlines
7.4
Good
10,041 reviews
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
JetBlue
7.1
Good
3,025 reviews
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Frontier
5.6
Fair
2,761 reviews
Southwest
8.0
Very good
4,232 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

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

    If you book a flight from Baltimore to Boston, you will be flying from Baltimore/Washington to Logan Intl. Flights to Boston Logan Intl (BOS) from Baltimore/Washington (BWI) take 1h 25m for a nonstop flight. There are 12 flights from Baltimore/Washington to Boston per day from 5 airlines.

  • How popular is this Baltimore to Boston flight route?

    The Baltimore/Washington to Boston Logan Intl flight path was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Baltimore to Boston?

    Delta can get you from Baltimore to Boston in just under 1h 47m. Your travel time will be generally consistent. There are 369 mi between Baltimore and Boston. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Baltimore to Boston round-trip?

    Currently priced at $61, Frontier will fly you from Baltimore to Boston and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Delta - these airlines can fly you to your destination from $122 and $128, respectively. Frontier is 78% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Baltimore to Boston one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $41. Users have also found prices from $75 and $86 on Delta and Southwest, respectively.

  • What are the most reliable airlines from Baltimore to Boston?

    Before booking your flight to Boston from Baltimore, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (96%), Korean Air (95%), EL AL( 93%).

  • What are the cheapest flights from Baltimore to Boston?

    Looking at all options, your cheapest flight can be booked for $58. While the most popular route (Baltimore/Washington - Boston Logan Intl) can be booked for $97 on average, our data indicates $325 when flying from Baltimore to Boston.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Baltimore to Boston (average of $231). Flying from Baltimore to Boston in May is currently the most expensive (average of $332). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Baltimore to Boston

Discover the top 5 airlines that operate flights from Baltimore to Boston. 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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$172FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$122Average$217FlexibilityNo cancel feeOn-time62%
DeltaCheapest$126Average$262FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$162Average$332FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$163Average$315FlexibilityNo cancel feeOn-time63%

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