BOS - BWI

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Everything you should know

Cheapest round-trip
$145
Typical prices: $213-$364
Frontier
Tue 10/2Thu 10/4
BOS - BWI • 1 stop
Cheapest non-stop
$151
Typical prices: $214-$365
Southwest
Tue 10/2Wed 10/3
BOS - BWI • Non-stop
Nonstop flights
You can fly direct with Southwest and Delta. Average duration is 1h 40m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 66% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $173 (round-trip)
Shortest trip • 5h 03m (one-way)
Insights
Insights
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Boston to Baltimore (BOS-BWI)

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

Recent round-trip flight deals from Boston to Baltimore

Fri, Oct 2 - Sun, Oct 4
Frontier Logo
12:54 pm - 11:04 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
10h 10m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:32 pm - 10:51 amBWI  Baltimore/Washington-BOS Boston Logan Intl
13h 19m1 stop Orlando
$145Frontier
Wed, Oct 21 - Fri, Oct 23
Frontier Logo
12:57 pm - 12:34 amBOS  Boston Logan Intl-BWI Baltimore/Washington
11h 37m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:52 pm - 11:02 amBWI  Baltimore/Washington-BOS Boston Logan Intl
13h 10m1 stop Orlando
$148Frontier
Fri, Oct 23 - Fri, Oct 23
Southwest Logo
7:50 pm - 9:25 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 35mnonstop
Southwest Logo
10:30 pm - 12:05 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 35mnonstop
$151Southwest
Fri, Oct 2 - Sat, Oct 3
Southwest Logo
7:50 pm - 9:25 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 35mnonstop
Southwest Logo
4:45 pm - 6:20 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 35mnonstop
$151Southwest
Mon, Sep 14 - Fri, Sep 18
Delta Logo
8:45 pm - 10:31 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 46mnonstop
Delta Logo
6:17 am - 8:00 amBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 43mnonstop
$154Delta
Tue, Sep 15 - Tue, Sep 22
JetBlue Logo
5:15 pm - 9:30 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
4h 15m1 stop Detroit Metropolitan Wayne County
JetBlue Logo
6:19 pm - 8:00 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 41mnonstop
$156JetBlue
Tue, Sep 15 - Tue, Sep 22
JetBlue Logo
5:15 pm - 9:30 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
4h 15m1 stop Detroit Metropolitan Wayne County
JetBlue Logo
1:55 pm - 3:42 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 47mnonstop
$156JetBlue
Sat, Oct 17 - Fri, Oct 23
Delta Logo
4:20 pm - 6:04 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
1h 44mnonstop
Delta Logo
6:30 pm - 8:10 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
1h 40mnonstop
$157Delta
Sat, Sep 12 - Tue, Sep 15
Multiple Airlines Logo
12:54 pm - 9:58 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
9h 04m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
4:00 pm - 9:18 amBWI  Baltimore/Washington-BOS Boston Logan Intl
17h 18m1 stop Fort Lauderdale
$302Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
12:52 pm - 9:58 pmBOS  Boston Logan Intl-BWI Baltimore/Washington
9h 06m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:19 am - 10:03 pmBWI  Baltimore/Washington-BOS Boston Logan Intl
14h 44m1 stop Fort Lauderdale
$302Multiple Airlines
Booking Insights

Price, demand and travel trends for Boston to Baltimore flights

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

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

Round-trip flights from Boston to Baltimore start at $145. Prices are below average for this route right now, with typical round-trip fares ranging from $213 to $364. The lowest price found in the past 5 days was $145 on Frontier.

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

Wednesday is the cheapest day of the week to fly from Boston to Baltimore, it is 12% cheaper than the average day. Sunday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • August is the cheapest month to fly from Boston to Baltimore at $226 round-trip.
  • November ($311) and July ($304) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 37% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to Baltimore the cheapest?

Flights from Boston to Baltimore are cheapest 25 weeks before departure. Booking in this window typically costs about 66% 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 Boston to Baltimore

 
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.

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 Boston to Baltimore flights

Low season

February

Cheapest flight

$65
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Boston to Baltimore

When to book flights from Boston to Baltimore

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

Your Boston to Baltimore flight questions, answered

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

  • Is Baltimore/Washington International Thurgood Marshall Airport (BWI) a user-friendly airport?

    Though it is one of the largest airports in the world, BWI Marshall is officially regarded as one of the best too. With friendly, communicative staff, relatively short security lines, and fewer flight delays and cancelations, this airport received much-deserved recognition in the 2020 Airport Service Quality Awards.

  • How can I get from BWI Marshall Airport to downtown Baltimore?

    There are four options. By car is the fastest method, taking just 20min or so. Rates depend on what carrier you ride with. The light rail is cheap and convenient. The fare is about $2.00 and the ride takes about 40min. Try the commuter train for around $5.00; it connects to Amtrak. The bus takes the longest at 1.5h and costs about $2.00.

  • What’s the best way to get to Boston Logan International Airport (BOS)?

    For rapid transit to and from Logan airport, utilize the MBTA Blue Line and Silver Line Bus Rapid Transit service for around $2.50. The airport bus shuttle known as the Logan Express is about $12.00 for a one-way ticket. The on-airport shuttle is free if you hop on at the Airport Station on the MBTA Blue Line.

  • Is there anything to do at Logan Airport (BOS)?

    If it makes sense for you to check in early, take the opportunity to relax and get yourself ready for your trip with a visit to one of the spa facilities at Logan Airport. Melt stress away with a massage, freshen up with a facial, or treat your tired feet to a pedicure. If you’d rather pay for the exclusivity of a lounge, there are several at Logan to choose from.

  • I’m traveling with kids. Is BWI Marshall Airport kid-friendly? What about Logan?

    You’re in luck because both airports are well-known as being kid-friendly. BWI Marshall has play areas where your little ones can burn off some steam after the flight. Logan has the KidPort in Terminals A, B, and C if they’re getting rambunctious even before takeoff. If you have an infant and need some “you” time, you’ll find rocking chairs and nursing rooms located throughout Logan Airport.

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

    Among airlines operating Boston to Baltimore flights:

    • Southwest: offers free seat selection
    • Delta: 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 Boston to Baltimore?

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

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

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

  • Which airlines include bags at no extra cost on Boston to Baltimore 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 in Economy Class 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 Boston to Baltimore?

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $173 round-trip via Fort Lauderdale (FLL), compared to $271 for nonstop.

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

    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 Boston to Baltimore?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Spirit Airlines and JetBlue. Other aircraft seen on the route include Embraer 175 variants.

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

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

    • Atlanta Hartsfield-Jackson (ATL) - 63% of one-stop connections
    • Charlotte Douglas (CLT) - 15% of one-stop connections
    • Orlando (MCO) - 11% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 7% 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 Boston to Baltimore?

    Yes. Being flexible with your travel dates can save you up to 31% on the Boston to Baltimore route. Wednesday is the cheapest departure day at $239 round-trip on average, while Sunday is the most expensive at $346, a difference of $107. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    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 Boston to Baltimore route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 52 minutes.

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

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

  • What popular places can I visit in Baltimore?

    Some of the most popular sights in Baltimore are Inner Harbor, M&T Bank Stadium and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

  • How long is a flight from Boston to Baltimore?

    A nonstop flight from Boston to Baltimore takes 1h 40m, covering 369 miles.

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

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

    • Earliest: departs at 5:25 am and lands at 7:05 am
    • Latest: departs at 10:20 pm and lands at 12:00 am.

    The flight takes about 1h 40m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 103% above the route average of $271. Book 25 weeks before departure for the lowest fares.

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

    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 Boston to Baltimore looking right now?

    One-way fares from Boston to Baltimore are currently lower than usual. Average one-way flight prices are about $122, which is 35% below the typical average for this route.

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

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

    • Delta: 88% on time
    • Spirit Airlines: 83% on time
    • Southwest: 83% on time

    Overall, flights on this route are on time 84% of the time on average.

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

    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 Boston to Baltimore?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 5h 03m, compared with 8h 51m via Atlanta Hartsfield-Jackson (ATL) and 9h 10m via Orlando (MCO).

  • What car rental options are available at Baltimore/Washington Airport (BWI)?

    Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
    · NextCar
    · Hertz
    · Dollar
    · Thrifty
    · Budget

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

    Round-trip flights from Boston to Baltimore range from $213 to $364, with an average of $271 over the past 12 months. Anything below $213 counts as a good deal.

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

    Two airlines offer in-flight Wi-Fi on Boston to Baltimore 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 Boston to Baltimore 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 Wednesday departure instead of Sunday. On this route, Wednesday flights average $239 - about $107 less than Sunday (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 66% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Baltimore trip for August. Fares historically average $226 round-trip in that month - typically $85 less than the most expensive month, which is November (based on the last 12 months).
  • If arriving on time is high on your priority list, Delta is the strongest pick on this route. 88% of Delta flights from Boston to Baltimore arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 84%. When flights on this route do arrive late, the average delay is 1 hour 52 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $173 round-trip on this route - about $98 less than direct flights (based on the last 12 months).
  • Boston Logan International Airport (BOS), also simply called Logan, offers free Wi-Fi to keep you entertained and connected while awaiting departure.
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) is commonly referred to as BWI Marshall. This is the largest airport serving the Baltimore and Washington DC area.
  • Logan Airport (BOS) has several lounges that you can pay to get into even if you are an economy passenger. Get away from the busy terminal and move into travel mode.
  • Baltimore Airport (BWI) is about 10 miles away from downtown Baltimore. The drive takes about 20min depending on traffic. The light rail takes about 40min.
  • If you need to get some work done while traveling, Baltimore Airport has Minute Suites where you can retreat to your own private space and focus on important tasks.
  • The MBTA subway goes directly to Logan Airport (BOS) for about $2.40, but if it’s better to drive and park, overnight rates are around $30.

Prefer to fly direct from Boston to Baltimore?

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

Direct departures

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

Direct returns

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

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

Other airlines flying from Boston to Baltimore