$49 Cheap Flights from Baltimore (BWI) to Boston (BOS)

View $49 flight on Sat, Apr 18, 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 $49 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, May 2 - Tue, May 5
BWI
Baltimore
BOS
Boston
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 2 from Baltimore to Boston, returning Tue, May 5, priced at $97 just found
Spirit Airlines
Sat, May 2 - Mon, May 4
BWI
Baltimore
BOS
Boston
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 2 from Baltimore to Boston, returning Mon, May 4, priced at $103 just found
Spirit Airlines
Sat, May 16 - Wed, May 20
BWI
Baltimore
BOS
Boston
$108 Roundtrip, found 2 hours ago
$108
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, May 16 from Baltimore to Boston, returning Wed, May 20, priced at $108 found 2 hours ago
Spirit Airlines
Thu, Apr 23 - Sun, Apr 26
BWI
Baltimore
BOS
Boston
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Apr 23 from Baltimore to Boston, returning Sun, Apr 26, priced at $109 just found
Spirit Airlines
Sat, May 16 - Sun, May 31
BWI
Baltimore
BOS
Boston
$111 Roundtrip, found 5 days ago
$111
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, May 16 from Baltimore to Boston, returning Sun, May 31, priced at $111 found 5 days ago
Spirit Airlines
Tue, May 19 - Sun, May 24
BWI
Baltimore
BOS
Boston
$113 Roundtrip, just found
$113
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, May 19 from Baltimore to Boston, returning Sun, May 24, priced at $113 just found
Frontier Airlines
Sat, Apr 18 - Sat, Apr 25
BWI
Baltimore
BOS
Boston
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Apr 18 from Baltimore to Boston, returning Sat, Apr 25, priced at $119 just found
Southwest Airlines
Tue, May 12 - Fri, May 15
BWI
Baltimore
BOS
Boston
$126 Roundtrip, just found
$126
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, May 12 from Baltimore to Boston, returning Fri, May 15, priced at $126 just found
American Airlines
Tue, May 5 - Wed, May 6
BWI
Baltimore
BOS
Boston
$161 Roundtrip, found 2 hours ago
$161
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, May 5 from Baltimore to Boston, returning Wed, May 6, priced at $161 found 2 hours ago
Delta
Tue, May 12 - Wed, May 13
BWI
Baltimore
BOS
Boston
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Tue, May 12 from Baltimore to Boston, returning Wed, May 13, priced at $217 just found

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 $150
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $150

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

February is typically the cheapest month to fly

From $48 - $215 per traveler.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) cost?
You can find cheap one-way flights from $49 and cheap return flights from $97 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) with Expedia. One-way flights usually range from $77 to $920, and return flights typically cost between $259 and $2783. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
March is the cheapest month to fly from Baltimore (BWI) to Boston (BOS), with average round-trip fares around $220. This price is about 15% lower than the average fare throughout the year, as travel demand tends to be lower in early spring. Other economical months to fly from Baltimore to Boston include April and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
There are 2 airlines offering direct flights from BWI to BOS:

  • Delta operates around 22 direct flights from BWI to BOS every week
  • Spirit Airlines operates around 13 direct flights from BWI to BOS every week

What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
Delta is one of the cheapest airlines offering nonstop flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.), with round-trip tickets starting from around $183. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
The best airline to fly with from Baltimore, MD (BWI) to Boston, MA (BOS) will differ from traveler to traveler. If you like to fly early, Spirit Airlines offers early morning flights. If price is the most important factor, Spirit Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Baltimore to Boston, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
The best time to fly from Baltimore, MD (BWI) to Boston, MA (BOS) is in March or April, with average return flight prices around $220. These months are ideal for balancing cost and travel experience, making your trip more enjoyable.*Prices based on flights available on Expedia in the last year.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
There are approximately 11 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Logan Intl. (BOS). For more options, look at flights that include layovers.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
The earliest flight from Baltimore, Maryland (BWI) to Boston, Massachusetts (BOS) typically departs at 5:00 AM, operated by American Airlines. This seasonal service is available in December, giving you the chance to start your day early and make the most of your time in Boston. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
The most popular departure times for flights from Baltimore Washington International (BWI) to Boston Logan International (BOS) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and Delta, offer flights during this window. This timing works well because it allows you to arrive in Boston with plenty of time to enjoy the day ahead.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
Direct flights from BWI to BOS usually take about 1 hour 30 minutes, traveling roughly 368 miles. If you opt for a connecting flight, expect to add around 5 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
First class seats are offered on the BWI to BOS route. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines
  • Spirit Airlines

How much is a business class flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
A direct, return business class ticket from Baltimore, MD (BWI) to Boston, MA (BOS) typically costs between $545 - $845. A non-stop, one-way business class flight is usually around $378 - $578 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Boston from Baltimore Washington Intl. Thurgood Marshall (BWI)?
If you're planning to travel to Boston from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Logan Intl. (BOS) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Detroit Metropolitan Wayne County (DTW), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) Boston Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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
$96
Distance
368 mi
Average flight time
1 hour 29 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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $49 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

*Flight schedules are subject to change.

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