HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$71+ Cheap flights from Boston to Baltimore (BOS - BWI)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BWI
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Baltimore 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 Boston Logan Intl to Baltimore/Washington are usually found in August or September, booked 50 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Boston to Baltimore

Cheapest flights from Boston to Baltimore
Explore the most affordable flight options available from Boston to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:45 pm
BOS
-
BWI
Nonstop1h 46m
Delta
Fri 9/116:17 am
BWI
-
BOS
Nonstop1h 43m
Delta
Deal found 7/25$157
This Delta deal was found by Cheapflights users on 7/29. 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 9/253:45 pm
BOS
-
BWI
Nonstop1h 42m
Delta
Mon 9/286:19 pm
BWI
-
BOS
Nonstop1h 41m
Delta
Deal found 7/29$158
This Southwest deal was found by Cheapflights users on 7/27. 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 9/115:50 am
BOS
-
BWI
Nonstop1h 25m
Southwest
Fri 9/186:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 7/27$163
This Frontier deal was found by Cheapflights users on 7/30. 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.
Sat 8/2212:45 pm
BOS
-
BWI
1 stop9h 11m
Frontier
Wed 8/269:32 pm
BWI
-
BOS
1 stop11h 09m
Frontier
Deal found 7/30$165
This Frontier deal was found by Cheapflights users on 7/29. 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.
Wed 10/1411:05 am
BOS
-
BWI
1 stop9h 52m
Frontier
Sun 10/189:52 pm
BWI
-
BOS
1 stop10h 28m
Frontier
Deal found 7/29$167
This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:10 am
BOS
-
BWI
Nonstop1h 43m
Delta
Wed 8/266:21 am
BWI
-
BOS
Nonstop1h 39m
Delta
Deal found 7/28$169
This Frontier deal was found by Cheapflights users on 7/30. 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.
Thu 8/2012:45 pm
BOS
-
BWI
1 stop10h 59m
Frontier
Sun 8/239:32 pm
BWI
-
BOS
1 stop11h 09m
Frontier
Deal found 7/30$172
This Southwest deal was found by Cheapflights users on 7/30. 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 9/48:55 pm
BOS
-
BWI
Nonstop1h 45m
Southwest
Mon 9/76:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 7/30$175
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/225:10 pm
BOS
-
BWI
Nonstop1h 57m
Delta
Sat 8/296:21 am
BWI
-
BOS
Nonstop1h 39m
Delta
Deal found 7/28$177
This Southwest deal was found by Cheapflights users on 7/30. 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 8/275:30 pm
BOS
-
BWI
Nonstop1h 45m
Southwest
Sun 8/307:10 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 7/30$181
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 9/95:15 pm
BOS
-
BWI
1 stop4h 15m
Delta
Sat 9/126:17 am
BWI
-
BOS
Nonstop1h 43m
Delta
Deal found 7/27$182
This Frontier deal was found by Cheapflights users on 7/30. 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.
Thu 8/1311:59 am
BOS
-
BWI
1 stop6h 10m
Frontier
Thu 8/209:32 pm
BWI
-
BOS
1 stop11h 09m
Frontier
Deal found 7/30$184

Find flight deals from Boston to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Baltimore (BWI). 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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Delta)

One-way from

$71
(Frontier)

Popular in

November

Cheapest in

August

Average price

$319
Provider with most accurate pricing for Boston Logan Intl-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Baltimore/Washington flights.
Search Deals
From Boston Logan Intl to Baltimore/Washington
Search Deals
One-way flight from Boston Logan Intl to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 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 Boston to Baltimore 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 30, 2026.
Use the filters below to find and compare flights from Boston to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 8/21

8:55 pm-10:35 pm

Nonstop1h 40m

Baltimore/Washington

Mon 8/24

6:30 am-8:00 am

Nonstop1h 30m

$158

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 9/25

3:45 pm-5:27 pm

Nonstop1h 42m

Baltimore/Washington

Mon 9/28

6:19 pm-8:00 pm

Nonstop1h 41m

$158

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 8/25

11:10 am-12:53 pm

Nonstop1h 43m

Baltimore/Washington

Wed 8/26

6:21 am-8:00 am

Nonstop1h 39m

$169

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 9/12

5:20 pm-7:10 pm

Nonstop1h 50m

Baltimore/Washington

Tue 9/15

5:40 pm-11:58 pm

1 stop6h 18m

$182

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 9/2

5:30 am-11:32 am

1 stop6h 02m

Baltimore/Washington

Thu 9/3

9:00 am-10:38 am

Nonstop1h 38m

$182

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 10/17

4:20 pm-6:04 pm

Nonstop1h 44m

Baltimore/Washington

Tue 10/20

5:36 pm-11:59 pm

1 stop6h 23m

$182

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 9/12

5:20 pm-7:10 pm

Nonstop1h 50m

Baltimore/Washington

Sun 9/13

6:17 am-8:00 am

Nonstop1h 43m

$186
Quickest round-trip

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 9/4

5:50 am-7:15 am

Nonstop1h 25m

Baltimore/Washington

Mon 9/7

6:30 am-8:00 am

Nonstop1h 30m

$198

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 8/22

5:10 pm-7:07 pm

Nonstop1h 57m

Baltimore/Washington

Mon 8/24

5:36 pm-11:59 pm

1 stop6h 23m

$207

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 9/10

5:40 am-11:45 am

1 stop6h 05m

Baltimore/Washington

Thu 9/17

6:17 am-8:00 am

Nonstop1h 43m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Boston to Baltimore

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

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

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

The price you pay for your flight from Boston to Baltimore may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Boston to Baltimore (average of $257). Flying from Boston to Baltimore in November is currently the most expensive (average of $340). 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 BOS to BWI?

Find hourly flight availability from Boston to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.

When flying from Boston to Baltimore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Baltimore. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Boston to Baltimore flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday evenings 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 Boston to Baltimore?

Airfare is below average for this route at the moment.

Boston to Baltimore flights typically cost between $193 and $379 in September.
The cheapest round-trip price found within the last 5 days was $158 on Delta (Sep 25-Sep 28).

The best insider tips for Boston to Baltimore 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 Boston to Baltimore 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 Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated July 30, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Boston to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,227 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Delta
7.8
Good
8,487 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
United Airlines
7.4
Good
10,046 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
JetBlue
7.1
Good
3,029 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Frontier
5.6
Fair
2,747 reviews
Southwest
8.0
Very good
4,227 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Related info for your journey

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

    To fly from Boston to Baltimore, you need to book a flight from Logan Intl (BOS) to Baltimore/Washington (BWI). Nonstop flights to Baltimore/Washington from Boston Logan Intl take 1h 25m on average. When it comes time to book airfare, you have a few options: there are 9 outbound flights from Logan Intl to Baltimore/Washington offered by 5 different airlines.

  • How popular is this Boston to Baltimore flight route?

    Flights from Boston Logan Intl to Baltimore/Washington have been viewed 82 times in the past calendar month.

  • How long is the flight from Boston to Baltimore?

    A quick flight from Boston to Baltimore can take about 1h 40m. Southwest provides one of the quickest options available for as low as $158. The distance from Boston to Baltimore is about 369 mi. Generally, flights for this route are nonstop.

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

    According to our current data, United Airlines ($137), Frontier ($140), and Delta ($148) offers the cheapest pricing from Boston to Baltimore. You may be able to fly from Boston to Baltimore for 52% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Boston to Baltimore are JetBlue ($61), Delta ($81), and Southwest ($84).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Baltimore on time: Korean Air (88%), EL AL (84%), Air France (82%).

  • What are the cheapest flights from Boston to Baltimore?

    While on average a flight from Boston to Baltimore is generally $551, our data shows the cheapest flight currently is $96. When looking at the most popular route, (Boston Logan Intl - Baltimore/Washington), you can expect to pay $117 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Boston to Baltimore (average of $257). Flying from Boston to Baltimore in November is currently the most expensive (average of $340). 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

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 Boston to Baltimore

Discover the top 5 airlines that operate flights from Boston to Baltimore. 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$137Average$196FlexibilityNo cancel feeOn-time69%
FrontierCheapest$140Average$301FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$274FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$157Average$243FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$176Average$320FlexibilityNo 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.