HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$86+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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 February or March, booked 57 days in advance, depart on a Saturday or Thursday and return on a Tuesday

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 October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:29 amBWI - BOS
1 stop22h 59mFrontier
Mon 11/179:23 amBOS - BWI
1 stop24h 57mFrontier
Deal found 10/15$160
This Mytrip deal was found by Cheapflights users on 10/14. 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.
Tue 10/281:35 pmBWI - BOS
1 stop9h 17mSpirit Airlines
Thu 10/3012:49 pmBOS - BWI
1 stop9h 47mSpirit Airlines
Deal found 10/14$161
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:30 pmBWI - BOS
1 stop16h 30mMultiple Airlines
Wed 11/126:16 amBOS - BWI
1 stop9h 31mMultiple Airlines
Deal found 10/14$162
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/122:00 pmBWI - BOS
1 stop19h 00mMultiple Airlines
Wed 11/196:16 amBOS - BWI
2 stops12h 13mMultiple Airlines
Deal found 10/15$164
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:05 amBWI - BOS
Nonstop1h 35mDelta
Tue 11/185:10 pmBOS - BWI
Nonstop1h 53mDelta
Deal found 10/15$167
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/95:50 amBWI - BOS
1 stop27h 10mFrontier
Thu 11/1310:04 amBOS - BWI
1 stop14h 03mFrontier
Deal found 10/15$169
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/154:30 pmBWI - BOS
1 stop16h 30mFrontier
Sat 11/226:00 amBOS - BWI
1 stop12h 11mFrontier
Deal found 10/16$171
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:11 pmBWI - BOS
1 stop11h 17mMultiple Airlines
Tue 11/46:16 amBOS - BWI
2 stops12h 13mMultiple Airlines
Deal found 10/14$172
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 10/2910:00 amBWI - BOS
1 stop23h 00mMultiple Airlines
Wed 11/56:16 amBOS - BWI
2 stops12h 13mMultiple Airlines
Deal found 10/16$173

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Mytrip)

One-way from

$86
(Mytrip)

Popular in

September

Cheapest in

February

Average price

$235
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. 23% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 16, 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

Tue 11/18

9:05 am-10:40 am

Nonstop1h 35m

Boston Logan Intl

Tue 11/18

5:10 pm-7:03 pm

Nonstop1h 53m

$167

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 1/6

12:50 pm-2:20 pm

Nonstop1h 30m

Boston Logan Intl

Thu 1/8

1:20 pm-3:00 pm

Nonstop1h 40m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 11/13

7:50 pm-9:29 pm

Nonstop1h 39m

Boston Logan Intl

Thu 11/20

6:20 am-8:12 am

Nonstop1h 52m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 1/12

7:10 am-8:50 am

Nonstop1h 40m

Boston Logan Intl

Wed 1/14

5:50 pm-7:30 pm

Nonstop1h 40m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 11/20

7:50 pm-9:28 pm

Nonstop1h 38m

Boston Logan Intl

Mon 11/24

6:20 am-8:12 am

Nonstop1h 52m

$191

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 11/13

2:35 pm-4:15 pm

Nonstop1h 40m

Boston Logan Intl

Sat 11/15

8:00 am-9:53 am

Nonstop1h 53m

$203

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/8

1:00 pm-2:41 pm

Nonstop1h 41m

Boston Logan Intl

Mon 11/10

6:20 am-8:15 am

Nonstop1h 55m

$203

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 1/6

2:40 pm-4:10 pm

Nonstop1h 30m

Boston Logan Intl

Sun 1/25

6:40 pm-8:25 pm

Nonstop1h 45m

$214

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 11/19

6:45 am-8:15 am

Nonstop1h 30m

Boston Logan Intl

Sat 11/22

5:35 am-7:15 am

Nonstop1h 40m

$214

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 1/9

10:30 am-12:06 pm

Nonstop1h 36m

Boston Logan Intl

Mon 1/12

8:05 am-9:54 am

Nonstop1h 49m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 21 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 October 10, 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, March is the cheapest month in which you can book a flight from Baltimore to Boston (average of $43). Flying from Baltimore to Boston in September 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 October 16, 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 59% 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 October 12, 2025.

Travelers seeking maximum savings on their Baltimore to Boston flight should consider departing on Thursday 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

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.

Read more about Spirit Airlinesby Daniel Scheffler
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.

Read more about Southwestby Marisa Garcia
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

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 October 16, 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.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
JetBlue
7.2
Good
2,908 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
Spirit Airlines
6.3
Okay
8,096 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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 11 flights from Baltimore/Washington to Boston per day from 4 airlines.

  • How popular is this Baltimore to Boston flight route?

    The Baltimore/Washington to Boston Logan Intl flight path was viewed by 107 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 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 $101 and $127, respectively. Spirit Airlines is 72% 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 (99%), Scandinavian Airlines (83%), Delta( 69%).

  • What are the cheapest flights from Baltimore to Boston?

    Looking at all options, your cheapest flight can be booked for $84. While the most popular route (Baltimore/Washington - Boston Logan Intl) can be booked for $167 on average, our data indicates $829 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 $43). Flying from Baltimore to Boston in September 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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.

Alternative routes for Baltimore to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Boston flights
Dulles Intl to Boston flights
Philadelphia to Boston flights
Reagan-National to Hartford flights
Dulles Intl to Hartford flights
Baltimore to Hartford flights
Dulles Intl to Albany flights
Reagan-National to Albany flights
Philadelphia to Albany flights
Baltimore to Albany flights
Philadelphia to Hartford flights
Reagan-National to West Tisbury flights
Reagan-National to Nantucket flights
Philadelphia to Worcester flights
Philadelphia to West Tisbury flights
Reagan-National to Hyannis flights
Dulles Intl to Nantucket flights
Baltimore to Nantucket flights
Philadelphia to Nantucket flights
Baltimore to Worcester flights
Dulles Intl to West Tisbury flights
Dulles Intl to Worcester flights
Philadelphia to Hyannis flights
Baltimore to Provincetown flights
Philadelphia to Provincetown flights
Dulles Intl to Hyannis flights
Salisbury to Albany flights
Baltimore to New Bedford flights
Dulles Intl to Provincetown flights
Reagan-National to Provincetown flights
Baltimore to West Tisbury flights
Baltimore to Hyannis flights
Dulles Intl to New Bedford flights

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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$111FlexibilityNo cancel feeOn-time65%
DeltaCheapest$101Average$228FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$127Average$237FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$161Average$266FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.