Boston

$48+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
Mar 13 — Mar 201
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Baltimore/Washington to Boston Logan Intl are usually found in March or May, booked 28 days in advance, depart on a Thursday or Friday and return on a Thursday

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 February 11, 2026.

This Mytrip deal was found by Cheapflights users on 2/10. 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.
Tue 3/1011:30 am
BWI
-
BOS
2 stops12h 14m
Spirit Airlines
Tue 3/175:49 pm
BOS
-
BWI
1 stop15h 25m
Spirit Airlines
Deal found 2/10$188
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/2311:57 am
BWI
-
BOS
Nonstop1h 30m
Spirit Airlines
Thu 6/42:22 pm
BOS
-
BWI
Nonstop1h 30m
Spirit Airlines
Deal found 2/9$189
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:19 am
BWI
-
BOS
1 stop13h 40m
Spirit Airlines
Mon 4/135:49 pm
BOS
-
BWI
1 stop15h 25m
Spirit Airlines
Deal found 2/9$190
This Mytrip deal was found by Cheapflights users on 2/11. 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.
Mon 3/212:30 pm
BWI
-
BOS
3 stops28h 15m
Spirit Airlines
Wed 3/45:27 am
BOS
-
BWI
1 stop12h 19m
Spirit Airlines
Deal found 2/11$191
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:35 pm
BWI
-
BOS
1 stop16h 46m
Frontier
Mon 4/206:00 am
BOS
-
BWI
1 stop10h 13m
Frontier
Deal found 2/9$192
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/245:58 pm
BWI
-
BOS
1 stop7h 15m
Multiple Airlines
Thu 2/264:22 pm
BOS
-
BWI
1 stop6h 31m
Multiple Airlines
Deal found 2/9$193
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 8/16:00 am
BWI
-
BOS
Nonstop1h 20m
Spirit Airlines
Tue 8/118:52 am
BOS
-
BWI
Nonstop1h 40m
Spirit Airlines
Deal found 2/8$194
This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 3/310:55 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Tue 3/35:50 pm
BOS
-
BWI
Nonstop1h 40m
Southwest
Deal found 2/9$195
This Frontier deal was found by Cheapflights users on 2/10. 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 3/135:31 am
BWI
-
BOS
1 stop6h 10m
Frontier
Wed 3/1811:51 am
BOS
-
BWI
1 stop12h 50m
Frontier
Deal found 2/10$196
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:58 pm
BWI
-
BOS
1 stop7h 15m
Multiple Airlines
Fri 2/274:22 pm
BOS
-
BWI
1 stop6h 31m
Multiple Airlines
Deal found 2/10$197
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:08 pm
BWI
-
BOS
1 stop7h 05m
Multiple Airlines
Thu 3/512:43 pm
BOS
-
BWI
1 stop10h 10m
Multiple Airlines
Deal found 2/10$198
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:47 pm
BWI
-
BOS
1 stop6h 27m
Spirit Airlines
Sat 5/27:00 am
BOS
-
BWI
1 stop12h 49m
Spirit Airlines
Deal found 2/9$199

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$188
(Mytrip)

One-way from

$48
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$226
Provider with most accurate pricing for Baltimore/Washington-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-Boston Logan Intl flights.
From Baltimore/Washington to Boston Logan Intl
One-way flight from Baltimore/Washington to Boston Logan Intl
Highest demand for flights based on searches. 19% potential increase in price ($54 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 February 2026

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 February 11, 2026.
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

Tue 3/10

9:55 pm-11:25 pm

Nonstop1h 30m

Boston Logan Intl

Tue 3/17

12:00 pm-1:35 pm

Nonstop1h 35m

$195

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/1

10:54 am-12:26 pm

Nonstop1h 32m

Boston Logan Intl

Wed 4/8

1:11 pm-2:54 pm

Nonstop1h 43m

$195

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 3/24

6:30 am-8:05 am

Nonstop1h 35m

Boston Logan Intl

Tue 3/24

3:15 pm-4:55 pm

Nonstop1h 40m

$195

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 3/11

9:55 pm-11:25 pm

Nonstop1h 30m

Boston Logan Intl

Wed 3/18

8:55 am-10:35 am

Nonstop1h 40m

$195

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/1

10:54 am-12:26 pm

Nonstop1h 32m

Boston Logan Intl

Sat 4/4

10:05 am-11:42 am

Nonstop1h 37m

$205

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 3/7

10:49 am-12:19 pm

Nonstop1h 30m

Boston Logan Intl

Tue 3/10

8:28 am-10:13 am

Nonstop1h 45m

$205

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 4/6

8:15 am-9:50 am

Nonstop1h 35m

Boston Logan Intl

Tue 4/7

5:25 pm-7:15 pm

Nonstop1h 50m

$205

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 3/18

9:55 pm-11:25 pm

Nonstop1h 30m

Boston Logan Intl

Sun 3/22

5:15 am-6:55 am

Nonstop1h 40m

$205

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/1

9:55 pm-11:25 pm

Nonstop1h 30m

Boston Logan Intl

Sun 4/5

5:15 am-6:55 am

Nonstop1h 40m

$205

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 4/1

9:55 pm-11:25 pm

Nonstop1h 30m

Boston Logan Intl

Sat 4/4

8:45 pm-10:20 pm

Nonstop1h 35m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 19 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice 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?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Boston. Price data was last updated on February 6, 2026.

Booking 28 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, March is the cheapest month in which you can book a flight from Baltimore to Boston (average of $44). Flying from Baltimore to Boston in December is currently the most expensive (average of $117). 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 February 11, 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 61% on your trip compared to booking a flight at noon.

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 February 7, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

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.

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.

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.

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.

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 February 11, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 15m for a nonstop flight. There are 5 flights from Baltimore/Washington to Boston per day from 5 airlines.

  • How popular is this Baltimore to Boston flight route?

  • How long is the flight from Baltimore to Boston?

    Southwest and Delta 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 $44, 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 $82 and $127, respectively. Spirit Airlines is 80% 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 Spirit Airlines. According to our data, you can fly for as low as $27. Users have also found prices from $58 and $82 on JetBlue 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: Scandinavian Airlines (84%), EL AL (84%), Delta( 79%).

  • What are the cheapest flights from Baltimore to Boston?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Baltimore/Washington - Boston Logan Intl) can be booked for $98 on average, our data indicates $998 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, March is the cheapest month in which you can book a flight from Baltimore to Boston (average of $44). Flying from Baltimore to Boston in December is currently the most expensive (average of $117). 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
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$44Average$110FlexibilityNo cancel feeOn-time65%
DeltaCheapest$82Average$225FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$127Average$212FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$141Average$257FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$161Average$270FlexibilityNo cancel feeOn-time63%

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