BWI - BOS

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Everything you should know

Cheapest round-trip
$117
Typical prices: $202-$351
Delta
Mon 9/17Wed 9/26
BWI - BOS • Non-stop
Cheapest one-way
$59
Typical prices: $118-$313
Frontier
Sat 10/20
BWI - BOS • 1 stop
Nonstop flights
You can fly direct with Southwest and Delta. Average duration is 1h 36m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 62% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $281 (round-trip)
Shortest trip • 4h 53m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from Baltimore to Boston (BWI-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to Boston

Wed, Sep 30 - Mon, Oct 5
Southwest Logo
6:30 am - 8:00 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 30mnonstop
Southwest Logo
9:45 pm - 11:15 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 30mnonstop
$117Southwest
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
8:20 am - 9:55 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 35mnonstop
Southwest Logo
7:00 pm - 8:35 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 35mnonstop
$117Southwest
Thu, Sep 17 - Sat, Sep 26
Delta Logo
6:17 am - 8:00 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 43mnonstop
Delta Logo
5:20 pm - 7:10 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 50mnonstop
$117Delta
Thu, Oct 1 - Sat, Oct 3
Delta Logo
6:17 am - 8:00 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 43mnonstop
Delta Logo
5:40 pm - 7:29 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 49mnonstop
$117Delta
Mon, Sep 14 - Wed, Sep 16
Frontier Logo
6:00 am - 12:09 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
6h 09m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:54 pm - 9:30 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
8h 36m1 stop Atlanta Hartsfield-Jackson
$118Frontier
Mon, Sep 14 - Sat, Sep 19
Frontier Logo
6:00 am - 12:09 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
6h 09m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:54 pm - 9:55 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
9h 01m1 stop Atlanta Hartsfield-Jackson
$118Frontier
Fri, Oct 16 - Wed, Oct 21
JetBlue Logo
5:36 pm - 11:59 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
6h 23m1 stop Detroit Metropolitan Wayne County
JetBlue Logo
11:30 am - 1:14 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 44mnonstop
$246JetBlue
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
9:25 pm - 9:29 amBWI  Baltimore/Washington-BOS Boston Logan Intl
36h 04m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
12:52 pm - 9:58 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
9h 06m1 stop Atlanta Hartsfield-Jackson
$267Multiple Airlines
Mon, Sep 14 - Wed, Sep 16
Multiple Airlines Logo
4:00 pm - 9:18 amBWI  Baltimore/Washington-BOS Boston Logan Intl
17h 18m1 stop Fort Lauderdale
Multiple Airlines Logo
12:54 pm - 9:30 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
8h 36m1 stop Atlanta Hartsfield-Jackson
$311Multiple Airlines
Fri, Oct 2 - Tue, Oct 6
JetBlue Logo
4:00 pm - 1:14 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
21h 14m1 stop Fort Lauderdale
JetBlue Logo
8:19 am - 10:33 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
14h 14m1 stop Fort Lauderdale
$455JetBlue
Booking Insights

Price, demand and travel trends for Baltimore to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Baltimore to Boston with more confidence.

How much is a round-trip flight from Baltimore to Boston?

Round-trip flights from Baltimore to Boston start at $117. Prices are below average for this route right now, with typical round-trip fares ranging from $202 to $351. The lowest price found in the past 5 days was $117 on Delta.

What's the cheapest day of the week to fly from Baltimore to Boston?

Saturday is the cheapest day of the week to fly from Baltimore to Boston, it is 9% cheaper than the average day. Sunday is the most expensive day with flight prices 31% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • April is the cheapest month to fly from Baltimore to Boston at $215 round-trip.
  • December ($285) and November ($281) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 32% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Baltimore to Boston the cheapest?

Flights from Baltimore to Boston are cheapest 11 weeks before departure. Booking in this window typically costs about 62% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Baltimore to Boston

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest and BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on BWI

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Baltimore to Boston flights

Low season

January

Cheapest flight

$59
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from Baltimore to Boston

When to book flights from Baltimore to Boston

Are your dates flexible? Find out the best times to travel from Baltimore to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Baltimore to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What services are there if I’m traveling with children from Baltimore Airport?

    There are baby care facilities located at gates A6, B2, C7, and D2, and children’s play areas located near Gate D11 as well as an Observation Gallery just before the Concourse B security checkpoint.

  • Does Baltimore Airport have airport lounges?

    The Club BWI is available to all passengers by paying the day fee at the door. It is located in Concourse D, near gate D10. In addition, the USO Lounge is free of charge for active members of the US military and their families. It is located in the International Pier beside the Baggage Claim.

  • Can I get to downtown Boston from the airport by public transportation?

    Yes, Boston airport is well-connected to downtown Boston. There is a free shuttle bus that will take you from the airport terminal to catch the Silver Line to the South Station.

  • Are there nonstop flights between Baltimore and Boston?

    Unfortunately, there are no nonstop flights between Baltimore and Boston. Most flight operators like Delta, Spirit Airlines, and Boutique Air have at least one stop. Common layovers along this route include Myrtle Beach Metropolitan Area, Detroit Metropolitan Wayne County, Fort Lauderdale, Massena Richards Field, and Orlando.

  • How accessible are BWI and BOS airports to Persons with Reduced Mobility (PRMs)?

    If you plan to connect from Baltimore to Boston as a PRM, please note that BWI and BOS airports are fully accessible to PRMs. Both airports offer several PRM-friendly amenities. Key among these amenities is; tactile strips for visually-impaired travelers, handicapped parking slots and services, TTY Phones in each of their terminals, complimentary wheelchair service, and free Special Assistance Desks in the terminals.

  • What pet-friendly amenities can I access at Baltimore/Washington International Airport (BWI)?

    Pet lovers who intend to connect from BWI to BOS can benefit from BWI’s pet-friendly amenities. These amenities include Pet Relief Companion Care Program for travelers needing assistance with their furry friends, Service Animal Relief Areas located within the terminal buildings, and the designated outdoor pet relief areas outside the terminal buildings.

  • Does BWI have onsite hotels for travelers who intend to stay the night on the airport premises?

    Travelers who intend to catch up with their morning flights from BWI and BOS can consider spending their night in the onsite Minute Suites. In the airside hotel, you will stay within a 3-minute walk from your departure terminal.

  • What is the easiest way to connect from downtown to Baltimore/Washington International Airport (BWI)?

    To connect from downtown Baltimore to BWI airport for your flight to BOS, you can consider taking a taxi, shuttle bus, or train. The Baltimore Light Rail and the MARC train are arguably the most convenient and cheaper transport options that take about 15 minutes to reach BWI. Taxis offer faster options but are slightly more expensive than buses and trains.

  • Which other cities can I visit near Boston Logan International Airport (BOS)?

    Besides acting as the entry point to Boston, BOS is also the destination for travelers who visit other nearby cities and towns such as Cambridge, Salem, Cape Cod, Providence, and Newport. From BOS, you can easily connect to these cities via car rental or public transport such as buses and taxis.

  • Are there car rentals at Boston Logan International Airport (BOS)?

    Yes, BOS has several car rental agencies that can be accessed at the Rental Car Center. Among these agencies are Alamo, Thrifty, and Budget. The car rental center is accessible by a free shuttle bus in about 8 minutes from the terminals.

  • Which airlines offer extra legroom and free seat selection on Baltimore to Boston flights?

    Among airlines operating Baltimore to Boston flights:

    • Southwest: offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • JetBlue: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Baltimore to Boston?

    2 airlines operate flights between Baltimore and Boston. The airlines offering nonstop flights on this route include:

    • Southwest
    • Delta

  • Which airports can I use when flying from Baltimore to Boston?

    Flights from Baltimore to Boston usually depart from Baltimore/Washington (BWI) and arrive at Boston Logan Intl (BOS).

  • Which airlines include bags at no extra cost on Baltimore to Boston flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Baltimore to Boston?

    Two cabin classes are available on flights from Baltimore to Boston:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Baltimore to Boston?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $258 round-trip, compared to $281 via a layover through Atlanta Hartsfield-Jackson (ATL).

  • What is the standard checked-bag allowance on flights from Baltimore to Boston?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Baltimore to Boston?

    The Embraer 175 family is used most often on this route, operated mainly by Delta and American Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Baltimore to Boston pass through?

    One-stop flights from Baltimore to Boston most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 43% of one-stop connections
    • Charlotte Douglas (CLT) - 29% of one-stop connections
    • Orlando (MCO) - 29% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Baltimore to Boston?

    On the Baltimore to Boston route, being flexible with your departure day can save you up to 31%. Saturday is the cheapest day at $235 round-trip on average, while Sunday is the most expensive at $339: a $104 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed from Baltimore to Boston?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Baltimore to Boston route, 18% of flights were delayed in the past 3 months, with delays averaging 1 hour 53 minutes.

  • How are flight departures from Baltimore to Boston spread across the day?

    Morning is the busiest departure period on Baltimore to Boston flights, with 46% of flights leaving in that window. Afternoon departures account for 27%, evening flights for 18%, and night flights for 9%.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

  • What are the earliest and latest flights from Baltimore to Boston?

    These are the earliest and latest flight times available from Baltimore to Boston:

    • Earliest: departs at 6:00 am and lands at 7:36 am
    • Latest: departs at 10:35 pm and lands at 12:11 am.

    The flight takes about 1h 36m.

  • How expensive are last-minute Baltimore to Boston flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 121% above the route average of $258. Book 11 weeks before departure for the lowest fares.

  • How long is a flight from Baltimore to Boston?

    A nonstop flight from Baltimore to Boston takes 1h 36m, covering 369 miles.

  • Do I need a passport to fly from Baltimore to Boston?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Baltimore to Boston looking right now?

    One-way fares from Baltimore to Boston are currently lower than usual. Average one-way flight prices are about $76, which is 60% below the typical average for this route.

  • How does Delta’s on-time performance compare to other airlines on Baltimore to Boston flights?

    Delta is slightly above the route average for timely arrivals, while Southwest has a lower on-time arrival rate. On-time arrival rates on Baltimore to Boston flights are:

    • Delta: 87% on time
    • Southwest: 79% on time
    • Spirit Airlines: 75% on time

    Overall, flights on this route are on time 82% of the time on average.

  • How do delay rates compare for morning and evening flights from Baltimore to Boston?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Baltimore to Boston?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 4h 53m, compared with 12h 40m via Atlanta Hartsfield-Jackson (ATL) and 20h 39m via Orlando (MCO).

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Dollar
    · Hertz
    · Budget
    · Thrifty
    · Sixt

  • How much should I expect to pay for a Baltimore to Boston flight?

    Round-trip flights from Baltimore to Boston range from $202 to $351, with an average of $258 over the past 12 months. Anything below $202 counts as a good deal.

  • Which airlines offer Wi-Fi on Baltimore to Boston flights?

    Two airlines offer in-flight Wi-Fi on Baltimore to Boston flights:

    • • Delta
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Baltimore to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $235 - about $104 less than Sunday (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 62% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to Boston trip for April. Fares historically average $215 round-trip in that month - typically $70 less than the most expensive month, which is December (based on the last 12 months).
  • If arriving on time is high on your priority list, Delta is the strongest pick on this route. 87% of Delta flights from Baltimore to Boston arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 82%. When flights on this route do arrive late, the average delay is 1 hour 53 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hilton Garden Inn Boston Logan Airport
    - Hyatt Regency Boston Harbor
  • The Baltimore Airport is also known for its state-of-the-art airport security features, so you don’t need to worry about running late because of long security lines. The Baltimore Airport has five concourses (A-E) and Concourse A and B have the largest variety of dining options. There is a 24-hour restaurant at the McDonald’s near gate A2 in case you have a late-night flight.
  • The Baltimore Airport services feature a full gym called Roam Fitness which you can pay per day as well as complimentary use of the showers. The gym is located along with the Concourse D and E connector. If you want to work out outdoors, there is also an outdoor trail that loops the airport. In addition to these services, there are also the typical options to keep you comfortable including 45 minutes of free Wi-Fi, ATMs, and Duty-Free shopping in the Concourse B and C connector. If you still have time to spare check out the Observation Gallery or the meditation rooms between Concourses D and E.
  • Massport is the name locals have given the Boston Logan International Airport. One of the biggest airports on the East Coast, the airport is divided amongst four passenger terminals (A, B, C, and E) with free ground transportation connecting them.
  • Logan airport also has two on-site hotels, the Hilton Boston Logan Airport and the Hyatt Regency Harborside, which have complimentary shuttles between the hotel and the airport as well as complimentary shuttles to the water taxi and subway station to get into the city center of Boston.
  • If you’re getting picked up upon arrival there are designated curbside pick-up locations at the arrivals level of each terminal, short-term parking lots in Central, Terminal B, and E, as well as a cell phone lot where family and friends can wait.
  • Despite the presence of other international airports - such as Reagan Washington (DCA), which is located about 38 miles away - most travelers connecting from Baltimore to Boston would consider Baltimore/Washington International Airport (BWI) as their departure airport. Besides its proximity to downtown, the airport offers arguably the highest number of daily flights from BWI to Boston Logan International Airport (BOS).
  • BOS has several business lounges for business travelers who may need to attend emerging business meetings during their long layovers. Among these lounges is The Lounge, located in Terminal C’s airside, next to Gate C19. To access The Lounge, you need a prepaid lounge pass or pay at the door.
  • One of the easiest and probably the most friendly way of spending your long layover at BOS is to consider the spotting activities at the observation decks. At BOS, the observation decks are accessed at Castle Island in South Boston across the harbor and the Pleasure Bay across Dorchester Bay.

Prefer to fly direct from Baltimore to Boston?

 
Find which airlines fly direct from Baltimore/Washington Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Baltimore/Washington to Boston Logan Intl

Monday

Delta,Southwest

Delta,Southwest

Tuesday

Delta,Southwest

Delta,Southwest

Wednesday

Delta,Southwest

Delta,Southwest

Thursday

Delta,Southwest

Delta,Southwest

Friday

Delta,Southwest

Delta,Southwest

Saturday

Delta,Southwest

Delta,Southwest

Sunday

Delta,Southwest

Delta,Southwest

See more direct flights

Direct returns

Boston Logan Intl to Baltimore/Washington

Monday

Delta,Southwest

Delta,Southwest

Tuesday

Delta,Southwest

Delta,Southwest

Wednesday

Delta,Southwest

Delta,Southwest

Thursday

Delta,Southwest

Delta,Southwest

Friday

Delta,Southwest

Delta,Southwest

Saturday

Delta,Southwest

Delta,Southwest

Sunday

Delta,Southwest

Delta,Southwest

See more direct flights

Everything you need to know for your flight from Baltimore to Boston

Other airlines flying from Baltimore to Boston