Boston

$83+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from Baltimore/Washington to Boston Logan Intl are usually found in February or March, booked 57 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap 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 September 15, 2025.

Round-trip from

$154
(Kiwi.com)

One-way from

$83
(Priceline)

Popular in

September

Cheapest in

February

Average price

$234
From Baltimore/Washington to Boston Logan Intl
One-way flight from Baltimore/Washington to Boston Logan Intl
Highest demand for flights based on searches. 17% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Tue 10/73:00 pmBOS - BWI
1 stop8h 32mSpirit Airlines
Deal found 9/15$154
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Tue 10/76:16 amBOS - BWI
1 stop17h 16mSpirit Airlines
Deal found 9/15$155
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:14 pmBWI - BOS
1 stop11h 29mFrontier
Thu 10/99:50 amBOS - BWI
1 stop14h 23mFrontier
Deal found 9/13$157
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:14 amBWI - BOS
1 stop11h 57mMultiple Airlines
Wed 10/156:16 amBOS - BWI
1 stop8h 32mMultiple Airlines
Deal found 9/15$158
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:35 pmBWI - BOS
1 stop9h 17mMultiple Airlines
Sun 10/2611:44 amBOS - BWI
1 stop23h 51mMultiple Airlines
Deal found 9/13$159
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:35 pmBWI - BOS
1 stop9h 17mSpirit Airlines
Wed 10/226:17 amBOS - BWI
1 stop14h 06mSpirit Airlines
Deal found 9/13$165
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:35 pmBWI - BOS
1 stop9h 17mSpirit Airlines
Wed 10/156:16 amBOS - BWI
1 stop8h 32mSpirit Airlines
Deal found 9/13$166
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:35 pmBWI - BOS
1 stop9h 17mSpirit Airlines
Sat 10/186:16 amBOS - BWI
1 stop10h 30mSpirit Airlines
Deal found 9/14$167
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:35 pmBWI - BOS
1 stop9h 17mMultiple Airlines
Thu 11/66:00 amBOS - BWI
1 stop15h 03mMultiple Airlines
Deal found 9/15$168
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:11 pmBWI - BOS
1 stop11h 17mFrontier
Sat 11/111:43 amBOS - BWI
1 stop12h 19mFrontier
Deal found 9/14$169
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:27 pmBWI - BOS
1 stop6h 20mMultiple Airlines
Thu 9/2510:13 amBOS - BWI
1 stop21h 16mMultiple Airlines
Deal found 9/15$170
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:14 pmBWI - BOS
1 stop11h 29mMultiple Airlines
Sat 10/412:20 pmBOS - BWI
1 stop8h 24mMultiple Airlines
Deal found 9/15$171

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 September 15, 2025.
Use the filters below to find and compare flights from Baltimore to Boston that are best for you.

Fly from

Baltimore

Fly to

Boston

Route

Depart

Return

Price

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/1

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Wed 11/5

7:44 pm-9:31 pm

Nonstop1h 47m

$184

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 10/18

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Sat 10/25

3:40 pm-5:26 pm

Nonstop1h 46m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 11/24

3:45 pm-5:15 pm

Nonstop1h 30m

Boston Logan Intl

Fri 11/28

5:35 am-7:15 am

Nonstop1h 40m

$203

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/22

6:45 am-8:15 am

Nonstop1h 30m

Boston Logan Intl

Fri 11/28

5:35 am-7:15 am

Nonstop1h 40m

$203

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 12/12

7:50 pm-9:26 pm

Nonstop1h 36m

Boston Logan Intl

Mon 12/15

12:11 pm-2:01 pm

Nonstop1h 50m

$203

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/17

10:25 pm-11:55 pm

Nonstop1h 30m

Boston Logan Intl

Wed 10/22

7:50 am-9:30 am

Nonstop1h 40m

$204

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 10/18

1:50 pm-3:20 pm

Nonstop1h 30m

Boston Logan Intl

Mon 10/20

9:40 pm-11:10 pm

Nonstop1h 30m

$214

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 10/31

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Mon 11/3

12:00 pm-1:43 pm

Nonstop1h 43m

$214

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 10/23

6:45 am-8:15 am

Nonstop1h 30m

Boston Logan Intl

Thu 10/23

9:40 pm-11:10 pm

Nonstop1h 30m

$214

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/15

10:35 am-12:12 pm

Nonstop1h 37m

Boston Logan Intl

Sun 11/16

6:15 am-8:10 am

Nonstop1h 55m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 24 results
1
2
3

The best insider tips for Baltimore to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Boston trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.


Use Spirit's self-service bag drop for a faster airport experience.

Southwest

Enjoy free snacks and non-alcoholic drinks, plus in-flight entertainment streamed to your device.


Check in 24 hours before departure online or via app for a smooth boarding experience.

Airports
BWI

For early morning flights, arrive 20-30 minutes early due to busy security lines from 6-8 a.m. on weekdays.

Read more about BWIby Emily Zemler
BOS

Use the MBTA Silver Line for a free, convenient ride from BOS to South Station in downtown Boston.

Read more about BOSby Paul Rubio
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Marisa Garcia

Marisa Garcia

Expert on Southwest

Marisa Garcia

Marisa Garcia

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 Zemler

Emily Zemler

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

Paul Rubio

Paul Rubio

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Boston. Price data was last updated on September 12, 2025.

Booking 57 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, January is the cheapest month in which you can book a flight from Baltimore to Boston (average of $218). Flying from Baltimore to Boston in July is currently the most expensive (average of $311). 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 September 15, 2025.

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 52% 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 September 14, 2025.

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

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 September 15, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and JetBlue 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.

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 30m for a nonstop flight. There are 12 flights from Baltimore/Washington to Boston per day from 4 airlines.

  • How popular is this Baltimore to Boston flight route?

  • How long is the flight from Baltimore to Boston?

    Delta and Southwest can get you from Baltimore to Boston in just under 1h 30m. 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 $48, Spirit Airlines will fly you from Baltimore to Boston and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $103 and $147, respectively. Spirit Airlines is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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%), Scandinavian Airlines (85%), WestJet( 82%).

  • What are the cheapest flights from Baltimore to Boston?

    Looking at all options, your cheapest flight can be booked for $80. While the most popular route (Baltimore/Washington - Boston Logan Intl) can be booked for $159 on average, our data indicates $1,011 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, January is the cheapest month in which you can book a flight from Baltimore to Boston (average of $218). Flying from Baltimore to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Baltimore to Boston

Discover the top 4 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$110FlexibilityNo cancel feeOn-time65%
DeltaCheapest$103Average$224FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$147Average$267FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$162Average$268FlexibilityNo cancel feeOn-time63%

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