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Cheap flights from Boston to Washington, D.C. from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington, D.C. departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Washington, D.C. (BOS-BWI)

Cheap round-trip flights

Spirit Airlines Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
$123Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Spirit Airlines Logo
10:34 am - 9:02 pmBOS-BWI
10h 28m1 stop
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
$130Spirit Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 13
Spirit Airlines Logo
3:00 pm - 11:01 amBOS-BWI
20h 01m1 stop
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
$134Spirit Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
Frontier Logo
11:43 am - 8:18 amBOS-BWI
20h 35m1 stop
Frontier Logo
10:21 am - 8:28 amBWI-BOS
22h 07m1 stop
$143Frontier
Find Deal
Sat, Nov 15 - Sun, Nov 16
Logo
10:53 am - 12:17 amBOS-BWI
13h 24m1 stop
Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
$156
Find Deal
Fri, Sep 5 - Mon, Sep 8
Delta Logo
10:40 am - 12:19 pmBOS-BWI
1h 39mnonstop
Delta Logo
6:15 am - 8:03 amBWI-BOS
1h 48mnonstop
$157Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
Frontier Logo
11:43 am - 8:18 amBOS-BWI
20h 35m1 stop
Frontier Logo
10:21 am - 8:28 amBWI-BOS
22h 07m1 stop
$161Frontier
Find Deal
Sat, Nov 15 - Sun, Nov 16
Delta Logo
9:29 pm - 11:13 pmBOS-BWI
1h 44mnonstop
Delta Logo
6:18 am - 8:00 amBWI-BOS
1h 42mnonstop
$164Delta
Find Deal
Wed, Oct 15 - Sat, Oct 18
Logo
10:53 am - 7:10 pmBOS-BWI
8h 17m1 stop
Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
$168
Find Deal
Thu, Sep 4 - Mon, Sep 8
Southwest Logo
5:20 am - 6:55 amBOS-BWI
1h 35mnonstop
Southwest Logo
8:40 pm - 10:15 pmBWI-BOS
1h 35mnonstop
$183Southwest
Find Deal
Sat, Sep 20 - Sat, Sep 27

Spirit Airlines flights from Boston to Baltimore

Our best Spirit Airlines deals on Boston to Baltimore flight tickets
Spirit Airlines
Sep 3
BOS10:34 amBoston Logan Intl
10h 28m
1 stop
BWI9:02 pmBaltimore/Washington
Sep 13
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
$112
Find similar
Spirit Airlines
Sep 9
BOS12:20 pmBoston Logan Intl
7h 27m
1 stop
BWI7:47 pmBaltimore/Washington
Sep 16
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
$123
Find similar
Spirit Airlines
Sep 3
BOS10:34 amBoston Logan Intl
10h 28m
1 stop
BWI9:02 pmBaltimore/Washington
Sep 13
BWI4:27 pmBaltimore/Washington
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
$130
Find similar

Frontier flights from Boston to Baltimore

Our best Frontier deals on Boston to Baltimore flight tickets
Frontier
Nov 15
BOS11:43 amBoston Logan Intl
20h 35m
1 stop
BWI8:18 amBaltimore/Washington
Nov 16
BWI10:21 amBaltimore/Washington
22h 07m
1 stop
BOS8:28 amBoston Logan Intl
$143
Find similar
Frontier
Nov 15
BOS11:43 amBoston Logan Intl
20h 35m
1 stop
BWI8:18 amBaltimore/Washington
Nov 16
BWI10:21 amBaltimore/Washington
22h 07m
1 stop
BOS8:28 amBoston Logan Intl
$161
Find similar
Frontier
Oct 30
BOS10:04 amBoston Logan Intl
14h 03m
1 stop
BWI12:07 amBaltimore/Washington
Nov 2
BWI4:30 pmBaltimore/Washington
16h 30m
1 stop
BOS9:00 amBoston Logan Intl
$172
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 22, 2025.
Use the filters below to find and compare flights from Boston to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 9/9

12:20 pm-7:47 pm

1 stop7h 27m

Baltimore/Washington

Tue 9/16

4:27 pm-10:47 pm

1 stop6h 20m

$123

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 9/3

10:34 am-9:02 pm

1 stop10h 28m

Baltimore/Washington

Sat 9/13

4:27 pm-10:47 pm

1 stop6h 20m

$130

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 9/16

3:00 pm-11:01 am

1 stop20h 01m

Baltimore/Washington

Wed 9/24

4:27 pm-10:47 pm

1 stop6h 20m

$134

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 11/15

11:43 am-8:18 am

1 stop20h 35m

Baltimore/Washington

Sun 11/16

10:21 am-8:28 am

1 stop22h 07m

$143

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 9/5

10:53 am-12:17 am

1 stop13h 24m

Baltimore/Washington

Mon 9/8

4:27 pm-10:47 pm

1 stop6h 20m

$156

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 9/16

10:40 am-12:19 pm

Nonstop1h 39m

Baltimore/Washington

Tue 9/23

6:15 am-8:03 am

Nonstop1h 48m

$157

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 11/15

11:43 am-8:18 am

1 stop20h 35m

Baltimore/Washington

Sun 11/16

10:21 am-8:28 am

1 stop22h 07m

$161

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 10/15

9:29 pm-11:13 pm

Nonstop1h 44m

Baltimore/Washington

Sat 10/18

6:18 am-8:00 am

Nonstop1h 42m

$164

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 9/4

10:53 am-7:10 pm

1 stop8h 17m

Baltimore/Washington

Mon 9/8

4:27 pm-10:47 pm

1 stop6h 20m

$168

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 9/20

5:20 am-6:55 am

Nonstop1h 35m

Baltimore/Washington

Sat 9/27

8:40 pm-10:15 pm

Nonstop1h 35m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Boston to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in March, then January is your next best option. Flight prices from Boston to Baltimore during January average around $162.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Boston to Baltimore is on a Tuesday. Travelers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as $213. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $288. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $195 when looking at flights departing in the evening. Flights at noon are often more expensive with an average ticket price of $328.

What is the cheapest Boston Logan Intl to Baltimore/Washington flight route?

Fly from Boston Logan Intl to Baltimore/Washington for the best Boston Logan Intl - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

You are more likely to see cheaper flights to Baltimore from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $189 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Boston for as low as $135 on momondo.

What cabin class options are available on Boston Logan Intl to Baltimore/Washington flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Baltimore flight prices changed over time?

As of August 2025, prices for Boston to Baltimore flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Baltimore (BOS to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Baltimore

Best Price Found

$141

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Boston in the past 72 hours is $141. The best round-trip flight deal from Boston to Baltimore found on momondo in the last 72 hours is $186.
The fastest flight from Boston to Baltimore takes 1h 30m
Direct flights go from Boston to Baltimore every day.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)
Search flight deals

  • How far is Boston Logan Intl to Baltimore/Washington by plane?

    The distance between Boston Logan Intl and Baltimore/Washington is about 359.2 mi. Typically, this will take 1h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Baltimore/Washington Airport?

    Prices for flights from Boston Logan Intl Airport to Baltimore/Washington Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Baltimore/Washington Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Baltimore?

  • What is the most popular airline from Boston to Baltimore?

Best airlines flying from Boston to Baltimore

Compare and see reviews for airlines that fly from Boston to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $49Free CancellationRating
6.3
8,032 reviews
Search Spirit Airlines flights
JetBluePriceFrom $60Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
DeltaPriceFrom $108Free CancellationRating
8.0
7,984 reviews
Search Delta flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,247 reviews
Search Southwest flights

  • Delta Flights From Boston to Baltimore

    Delta is one of the most popular airlines flying from Boston to Baltimore, operating 6 flights/week on average for this route. A good Delta flight deal for Boston to Baltimore starts from $108 round-trip, up to an average price of $239. Our users have rated Delta at 8.0/10.

  • Southwest Flights From Boston to Baltimore

    Southwest is also a popular choice for this route. Southwest flight deals for Boston to Baltimore start from as low as $165 round-trip, depending on your selected dates, with average Southwest deals seen on momondo around $269. Southwest operates 30 flights to Baltimore from Boston in an average week. Users have rated it 8.0/10 across 4,247 reviews.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Baltimore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Baltimore for you.

Can I find flights from Boston to Baltimore with flexible booking policies on momondo?

Yes. All flights to Baltimore from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Baltimore?

Once all potential Boston to Baltimore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Baltimore right now. Can momondo alert me if prices change?

Price alerts on flights to Baltimore from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Baltimore trip

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