$55 Cheap Flights from Baltimore (BWI) to Boston (BOS)

View $55 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Logan International Airport (BOS)

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Cheap Flights from Baltimore to Boston (BWI-BOS)

Prices were available within the past 7 days and start at $55 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jan 26 - Thu, Jan 29
BWI
Baltimore
BOS
Boston
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Baltimore to Boston, returning Thu, Jan 29, priced at $110 found 1 hour ago
Frontier Airlines
Sat, Jan 10 - Tue, Jan 13
BWI
Baltimore
BOS
Boston
$122 Roundtrip, found 1 hour ago
$122
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jan 10 from Baltimore to Boston, returning Tue, Jan 13, priced at $122 found 1 hour ago
Frontier Airlines
Mon, Jan 26 - Wed, Feb 4
BWI
Baltimore
BOS
Boston
$127 Roundtrip, found 13 hours ago
$127
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Baltimore to Boston, returning Wed, Feb 4, priced at $127 found 13 hours ago
Spirit Airlines
Mon, Jan 26 - Thu, Jan 29
BWI
Baltimore
BOS
Boston
$127 Roundtrip, found 1 hour ago
$127
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, Jan 26 from Baltimore to Boston, returning Thu, Jan 29, priced at $127 found 1 hour ago
Frontier Airlines
Wed, Jan 7 - Thu, Jan 8
BWI
Baltimore
BOS
Boston
$130 Roundtrip, found 5 hours ago
$130
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Jan 7 from Baltimore to Boston, returning Thu, Jan 8, priced at $130 found 5 hours ago
Spirit Airlines
Thu, Nov 27 - Tue, Dec 9
BWI
Baltimore
BOS
Boston
$132 Roundtrip, found 7 hours ago
$132
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Thu, Nov 27 from Baltimore to Boston, returning Tue, Dec 9, priced at $132 found 7 hours ago
Spirit Airlines
Mon, Jan 26 - Wed, Jan 28
BWI
Baltimore
BOS
Boston
$133 Roundtrip, found 3 hours ago
$133
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Mon, Jan 26 from Baltimore to Boston, returning Wed, Jan 28, priced at $133 found 3 hours ago
Southwest Airlines
Tue, Jan 13 - Thu, Jan 15
BWI
Baltimore
BOS
Boston
$153 Roundtrip, found 3 hours ago
$153
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, Jan 13 from Baltimore to Boston, returning Thu, Jan 15, priced at $153 found 3 hours ago
Delta
Tue, Dec 16 - Mon, Jan 19
BWI
Baltimore
BOS
Boston
$191 Roundtrip, found 10 hours ago
$191
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Dec 16 from Baltimore to Boston, returning Mon, Jan 19, priced at $191 found 10 hours ago
American Airlines
Tue, Dec 16 - Mon, Jan 19
BWI
Baltimore
BOS
Boston
$211 Roundtrip, found 10 hours ago
$211
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Dec 16 from Baltimore to Boston, returning Mon, Jan 19, priced at $211 found 10 hours ago

Find the cheapest month to fly from Baltimore (BWI) to Boston (BOS)

February is typically the cheapest month to fly

From $48 - $235 per traveler.

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $337
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $337

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) cost?
Secure a cheap one-way flight from $55 or cheap return flight from $110 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
The cheapest month to fly from BWI to BOS is January, when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
Avoid the layovers and travel nonstop to Logan Intl. Airport (BOS) from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with 3 carriers, including:

  • Southwest Airlines
  • Delta Air Lines
  • Spirit Airlines

What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
Spirit Airlines and Delta Air Lines are well-known airlines offering competitive fares. Don't forget that flight prices from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) can vary depending on travel dates, demand and how early you book. With Expedia's search tool, you can easily find a BWI to BOS flight that matches your preferences and budget.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
With, on average, 9 nonstop flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) daily, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
More travelers fly between BWI and BOS at 8 AM than at any other point in the day. Rather go when it's quieter? Pick a flight outside the busiest times and you could save on your ticket as well.
What day of the week has the most flights from BWI to BOS?
Thursday has the most flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI)'s earliest flight to Logan Intl. Airport (BOS) takes off at approximately 6:15AM UTC-5. With a flight time of 1h 40m, you'll land at around 7:55AM UTC-5.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
The average flight time from BWI to BOS is 1 hour and 31 minutes, covering a distance of 370 mi.
What airline has the least delays from BWI to BOS?
Consider traveling with United Airlines if you'd like to fly straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 100%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
Select a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boston from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI) has direct flights to Boston. Here are some of the airports you can fly straight to:

  • Logan Intl. Airport (BOS)
  • T.F. Green Airport (PVD)
  • Manchester-Boston Regional Airport (MHT)

Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) last-minute?
Last-minute fares from BWI to BOS are generally more expensive. For the lowest rates, start searching for flights ahead of time. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a BWI to BOS flight and hotel package?
You'll typically save money by securing a BWI to BOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS)?
You can usually reschedule or cancel your BWI to BOS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$110
Distance
368 mi
Average flight time
1 hour 30 mins

Book with confidence

Baltimore to Boston Flights

The cheapest times to fly from Baltimore to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Boston are during the month of January. You can find some of the cheapest flights from Baltimore to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Boston

Sunday is one of the best days to book for cheap flights from Baltimore to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Baltimore to Boston Flights

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*Available to One Key members.