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$90 Cheap Flights from Baltimore (BWI) to Boston (BOS)

View $90 flight on Tue, Nov 17, 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 $90 for one-way flights and $149 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Nov 3 - Wed, Nov 11
BWI
Baltimore
BOS
Boston
$149 Roundtrip, found 1 day ago
$149
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Baltimore to Boston, returning Wed, Nov 11, priced at $149 found 1 day ago
Frontier Airlines
Tue, Nov 3 - Wed, Nov 11
BWI
Baltimore
BOS
Boston
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Baltimore to Boston, returning Wed, Nov 11, priced at $154 found 1 day ago
Frontier Airlines
Thu, Oct 22 - Wed, Oct 28
BWI
Baltimore
BOS
Boston
$155 Roundtrip, found 1 day ago
$155
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Baltimore to Boston, returning Wed, Oct 28, priced at $155 found 1 day ago
Frontier Airlines
Fri, Oct 16 - Thu, Oct 22
BWI
Baltimore
BOS
Boston
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Baltimore to Boston, returning Thu, Oct 22, priced at $159 found 1 day ago
Frontier Airlines
Sun, Nov 15 - Mon, Nov 23
BWI
Baltimore
BOS
Boston
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Nov 15 from Baltimore to Boston, returning Mon, Nov 23, priced at $163 found 1 day ago
Frontier Airlines
Wed, Oct 14 - Fri, Oct 16
BWI
Baltimore
BOS
Boston
$166 Roundtrip, found 1 day ago
$166
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Baltimore to Boston, returning Fri, Oct 16, priced at $166 found 1 day ago
Southwest Airlines
Thu, Dec 3 - Sat, Dec 12
BWI
Baltimore
BOS
Boston
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Dec 3 from Baltimore to Boston, returning Sat, Dec 12, priced at $168 found 1 day ago
Delta
Thu, Dec 3 - Sat, Dec 12
BWI
Baltimore
BOS
Boston
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 3 from Baltimore to Boston, returning Sat, Dec 12, priced at $188 found 1 day ago
American Airlines
Thu, Oct 22 - Mon, Oct 26
BWI
Baltimore
BOS
Boston
$479 Roundtrip, found 1 hour ago
$479
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 22 from Baltimore to Boston, returning Mon, Oct 26, priced at $479 found 1 hour ago
JetBlue Airways
Sat, Oct 10 - Mon, Oct 12
BWI
Baltimore
BOS
Boston
$718 Roundtrip, found 3 hours ago
$718
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sat, Oct 10 from Baltimore to Boston, returning Mon, Oct 12, priced at $718 found 3 hours ago

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 $290
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $290

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

September is typically the cheapest month to fly

From $97 - $176 per traveler.

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to Logan Intl.

Baltimore (BWI) to Boston (BOS) at a glance

Travel between Baltimore (BWI) and Boston (BOS) with an array of airlines offering convenient flights along this popular domestic route. Whether you prefer full-service or budget carriers, you can explore the latest deals on flights to find an itinerary that aligns with your budget and schedule. Discover essential information about flight times and options as you prepare to experience Boston's iconic sights and vibrant neighborhoods.

  • Fastest flight duration: around 1h 30m non-stop
  • Route distance: roughly 350 miles (565 km)
  • Flights per week: around 40+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $75–$335, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Logan International Airport (BOS)

According to recent traveler bookings, here are the top airlines favored for flights from Baltimore to Boston, highlighting both non-stop and one-stop options. Common layover points include Charlotte-Douglas International Airport (CLT) with a layover of about 1 hour, Hartsfield-Jackson Atlanta International Airport (ATL) with approximately 1 hour and 15 minutes, and Detroit Metropolitan Wayne County Airport (DTW) with around a 2 hour and 45 minute layover. This variety allows you to mix and match price, total travel time, and cabin class to find your ideal itinerary.

  • Southwest Airlines: This budget-friendly airline provides non-stop flights, capturing around 59% of departures on the route. One-way ticket prices typically range from $75 to $340, with an overall travel time of approximately 1 hour and 30 minutes.
  • Delta: A full-service airline that offers non-stop flights, Delta represents about 41% of the departures on this route. Passengers can expect one-way fares between $75 and $340, with a total journey time of around 1 hour and 30 minutes.
  • American Airlines: As a full-service carrier, American Airlines provides one-stop options that account for around 1% of departures on this route. One-way fares generally vary from $100 to $310, with an in-flight duration of 3 hours and 45 minutes, totaling approximately 5 hours and 15 minutes including layover time.
  • Frontier Airlines: This low-cost airline offers one-stop services, with ticket prices usually between $75 and $225. Flight time is about 3 hours and 45 minutes, culminating in a total journey duration of roughly 5 hours and 15 minutes when factoring in the layover.

Travelers flying from Baltimore to Boston can enhance their experience by upgrading their flight. Delta provides both first-class and premium economy service on this route, catering to different preferences.

Best time to fly from Baltimore (BWI) to Boston (BOS)

The most popular months for travelers flying from Baltimore to Boston are March, April, and May, when peak temperatures in Boston reach up to 58.5°F in May. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 65.7°F. For better deals, August usually offers the lowest average one-way fare around $162. Flight availability peaks in October, with approximately 56 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 20 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $162, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: May, July, and September typically offer average one-way fares of around $172.
  • Most flight options: October has the highest number of flights from Baltimore to Boston, with approximately 56 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January30.0°F (-1.1°C)Moderately Low20$184
February31.5°F (-0.3°C)Average24$190
March37.9°F (3.3°C)Moderately High36$193
April48.2°F (9.0°C)Moderately High46$186
May58.5°F (14.7°C)Moderately High53$169
June66.6°F (19.2°C)Average48$181
July73.6°F (23.1°C)Average52$172
August72.7°F (22.6°C)Average46$162
September65.7°F (18.7°C)Moderately Low48$174
October55.6°F (13.1°C)Average56$186
November44.4°F (6.9°C)Average50$184
December36.3°F (2.4°C)Moderately Low40$184

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Baltimore (BWI) to Boston (BOS)

  • Washington to Boston (DCA-BOS): Ronald Reagan Washington National Airport (DCA) is located approximately 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). One-way economy ticket prices for this route generally fall between $70 and $290, influenced by the time of year and how far in advance the flight is booked. Travelers can choose from both non-stop and one-stop flight options. Leading airlines servicing this route include American Airlines and the budget-friendly JetBlue Airways. Additionally, there are business and first-class service options available for those seeking a more premium experience.

How to find the best prices for flights from Baltimore (BWI) to Boston (BOS)

Getting some of the best deals on flights from Baltimore to Boston is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which is also when most travelers make their reservations. Morning departures, from 5 a.m. to 12 p.m., tend to offer lower prices and are the most popular flight times. Additionally, flying on Tuesday generally provides cheaper rates, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Logan International Airport from Baltimore Washington International Thurgood Marshall Airport

Boston welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Boston efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Boston, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Logan International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Logan International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Logan International Airport, Airport Station (a metro station) is located about 0.9 miles away by car, while Chelsea Station (a train station) is approximately 2.8 miles away by car. For those looking to travel by sea, Boston Seaport, situated about 3.1 miles from the airport by car, offers convenient access to maritime journeys.

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 $90 and cheap return flights from $149 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
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$148
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 November. 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 $90 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.

*Available to One Key members.

 

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