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$55+ Cheap flights from Baltimore to Boston (BWI - BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Boston Logan Intl are usually found in February or March, booked 22 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 julio 31, 2025.

Round-trip from

$146
(Booking.com)

One-way from

$55
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$184
From Baltimore/Washington to Boston Logan Intl
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One-way flight from Baltimore/Washington to Boston Logan Intl
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Highest demand for flights based on searches. 16% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 31, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/127:10 amBWI - BOS
Nonstop1h 27mSpirit Airlines
mié. 8/1310:34 amBOS - BWI
1 stop10h 28mSpirit Airlines
Deal found 7/29$132
This Delta deal was found by Cheapflights users on 7/31. 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.
sáb. 9/137:25 amBWI - BOS
Nonstop1h 39mDelta
sáb. 9/135:10 pmBOS - BWI
Nonstop1h 50mDelta
Deal found 7/31$169
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/127:10 amBWI - BOS
Nonstop1h 27mMultiple Airlines
vie. 8/156:00 amBOS - BWI
1 stop17h 24mMultiple Airlines
Deal found 7/29$173
This Southwest deal was found by Cheapflights users on 7/31. 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.
jue. 9/46:30 amBWI - BOS
Nonstop1h 30mSouthwest
dom. 9/79:20 pmBOS - BWI
Nonstop1h 35mSouthwest
Deal found 7/31$182
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1311:04 amBWI - BOS
1 stop5h 17mAmerican Airlines
sáb. 9/203:25 pmBOS - BWI
1 stop5h 27mAmerican Airlines
Deal found 7/30$185

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 julio 31, 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

mar. 8/12

7:10 am-8:37 am

Nonstop1h 27m

Boston Logan Intl

mié. 8/13

10:34 am-9:02 pm

1 stop10h 28m

$132

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

sáb. 9/13

7:25 am-9:04 am

Nonstop1h 39m

Boston Logan Intl

sáb. 9/13

5:10 pm-7:00 pm

Nonstop1h 50m

$169

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

mar. 8/12

7:10 am-8:37 am

Nonstop1h 27m

Boston Logan Intl

jue. 8/14

6:00 am-11:36 pm

1 stop17h 36m

$173

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

sáb. 9/13

11:04 am-4:21 pm

1 stop5h 17m

Boston Logan Intl

sáb. 9/20

3:25 pm-8:52 pm

1 stop5h 27m

$185

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

vie. 9/26

8:40 pm-10:15 pm

Nonstop1h 35m

Boston Logan Intl

lun. 9/29

5:35 am-7:10 am

Nonstop1h 35m

$201

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

mar. 8/12

8:00 am-12:38 am

1 stop16h 38m

Boston Logan Intl

mié. 8/13

8:00 am-10:49 pm

1 stop14h 49m

$207

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

mié. 8/13

9:57 pm-9:39 am

1 stop11h 42m

$55

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

sáb. 8/23

6:20 am-8:05 am

Nonstop1h 45m

$85

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

lun. 8/18

8:40 pm-10:15 pm

Nonstop1h 35m

$87

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

sáb. 8/23

5:46 pm-8:35 am

1 stop14h 49m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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
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
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 July 25, 2025.

Booking 22 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 julio 31, 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 50% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Boston. Price data was last updated on July 27, 2025.

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to Boston

Explore weekly flight availability from Baltimore to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 31, 2025.

The most flights from BWI to BOS are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 julio 31, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Baltimore to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,049 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.9
Fair
3,239 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 27m 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 124 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $146, 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 Southwest and American Airlines - these airlines can fly you to your destination from $169 and $186, respectively. Spirit Airlines is 6% 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 $55. Users have also found prices from $85 and $87 on Delta and Southwest, respectively.

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

    Before booking your flight to Boston from Baltimore, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (90%), Scandinavian Airlines (82%), Korean Air( 71%).

  • What are the cheapest flights from Baltimore to Boston?

    Looking at all options, your cheapest flight can be booked for $42. While the most popular route (Baltimore/Washington - Boston Logan Intl) can be booked for $151 on average our data indicates $1,438 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
Watertown
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Saco
Hampton Beach
Swansea
Lincoln

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$109FlexibilityNo cancel feeOn-time65%
DeltaCheapest$103Average$223FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$147Average$267FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$164Average$265FlexibilityNo cancel feeOn-time63%

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