$69+ Cheap flights from Baltimore to Boston (BWI - BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOS
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Baltimore/Washington to Boston Logan Intl are usually found in April or September, booked 74 days in advance, depart on a Thursday or Saturday and return on a Friday
Cheap flight deals from Baltimore to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to BostonExplore the most affordable flight options available from Baltimore to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Baltimore to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:40 am -
1 stop5h 50m
Wed 11/412:39 pm -
1 stop11h 54m
Deal found 9/23![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 am -
1 stop6h 04m
Tue 11/1012:15 pm -
1 stop12h 07m
Deal found 9/26![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:40 am -
1 stop6h 04m
Wed 11/1812:39 pm -
1 stop11h 54m
Deal found 9/26![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:03 am -
Nonstop1h 37m
Thu 10/299:15 pm -
Nonstop1h 43m
Deal found 9/24![Delta logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
1 stop6h 12m
Wed 10/2812:39 pm -
1 stop11h 54m
Deal found 9/23![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:15 am -
Nonstop1h 35m
Fri 10/2311:30 am -
Nonstop1h 44m
Deal found 9/25![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:03 am -
Nonstop1h 37m
Mon 10/269:15 pm -
Nonstop1h 43m
Deal found 9/26![Delta logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:40 am -
1 stop6h 04m
Sat 11/1411:27 am -
1 stop13h 06m
Deal found 9/27![Frontier logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:40 am -
1 stop5h 50m
Sat 11/711:27 am -
1 stop13h 06m
Deal found 9/26![Frontier logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:52 pm -
1 stop13h 10m
Sat 10/3111:27 am -
1 stop12h 55m
Deal found 9/26![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:40 am -
1 stop6h 04m
Thu 12/311:08 am -
1 stop13h 17m
Deal found 9/25![Frontier logo]()
$153
Best flights from Baltimore to BostonDiscover carefully curated flight deals from Baltimore to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Baltimore to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 pm -
Nonstop1h 40m
Fri 10/309:45 pm -
Nonstop1h 35m
Deal found 9/25![Southwest logo]()
$144
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:55 pm -
Nonstop1h 40m
Mon 11/27:25 pm -
Nonstop1h 48m
Deal found 9/23![Delta logo]()
$164
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
Nonstop1h 39m
Mon 10/269:15 pm -
Nonstop1h 43m
Deal found 9/27![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:30 pm -
Nonstop1h 40m
Mon 11/27:45 pm -
Nonstop1h 35m
Deal found 9/25![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:45 pm -
Nonstop1h 35m
Mon 10/199:45 pm -
Nonstop1h 35m
Deal found 9/25![Southwest logo]()
$200
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
Nonstop1h 40m
Sun 11/155:30 am -
1 stop6h 03m
Deal found 9/26![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:35 pm -
Nonstop1h 35m
Sun 11/85:35 am -
Nonstop1h 35m
Deal found 9/27![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 pm -
Nonstop1h 40m
Tue 10/276:35 am -
Nonstop1h 49m
Deal found 9/23![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:35 am -
Nonstop1h 35m
Sun 11/155:35 am -
Nonstop1h 35m
Deal found 9/27![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:05 am -
Nonstop1h 36m
Sun 11/159:15 pm -
Nonstop1h 47m
Deal found 9/23![Delta logo]()
$248
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 am -
Nonstop1h 35m
Sun 11/85:35 am -
Nonstop1h 35m
Deal found 9/27![Southwest logo]()
$228
Last-minute flights from Baltimore to BostonDiscover last-minute flight deals from Baltimore to Boston. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Boston. Data last updated September 28, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
Nonstop1h 40m
Tue 10/206:30 pm -
Nonstop1h 45m
Deal found 9/24![Southwest logo]()
$154
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
1 stop6h 12m
Wed 10/2812:39 pm -
1 stop11h 54m
Deal found 9/23![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:10 am -
Nonstop1h 40m
Sat 10/245:35 am -
Nonstop1h 35m
Deal found 9/27![Southwest logo]()
$173
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:03 am -
Nonstop1h 37m
Mon 10/269:15 pm -
Nonstop1h 43m
Deal found 9/24![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:35 am -
Nonstop1h 35m
Mon 10/269:45 pm -
Nonstop1h 35m
Deal found 9/25![Southwest logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:52 pm -
1 stop13h 10m
Sat 10/3111:27 am -
1 stop12h 55m
Deal found 9/26![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop6h 04m
Sat 10/3111:27 am -
1 stop12h 55m
Deal found 9/27![Frontier logo]()
$178
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:03 am -
Nonstop1h 37m
Tue 11/39:55 am -
Nonstop1h 45m
Deal found 9/24![Delta logo]()
$164
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:03 am -
Nonstop1h 37m
Fri 11/67:25 pm -
Nonstop1h 48m
Deal found 9/25![Delta logo]()
$171
One-way flights from Baltimore to BostonSearch for one-way flight options from Baltimore to Boston. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Baltimore to Boston. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:03 am -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 am -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$71
This Super.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:40 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$75
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:40 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$76
This Super.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:52 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:52 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$82
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:35 am -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:40 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$94
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$96
Find flight deals from Baltimore to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $133 (Cheapflightsfares) |
One-way from | $69 (Delta) |
Popular in | May |
Cheapest in | April |
Average price | $248 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to Boston 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, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Baltimore to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Mon 11/16
12:18 pm-7:49 pm
1 stop7h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Mon 11/9
5:34 pm-11:54 pm
1 stop6h 20m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
Quickest round-trip
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Tue 11/24
6:35 am-8:05 am
Nonstop1h 30m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Wed 11/25
9:15 pm-10:55 pm
Nonstop1h 40m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Wed 11/25
6:00 am-7:40 am
Nonstop1h 40m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Sat 11/14
5:34 pm-11:54 pm
1 stop6h 20m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Sat 10/24
5:36 pm-11:59 pm
1 stop6h 23m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Fri 10/23
6:03 am-7:40 am
Nonstop1h 37m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Wed 11/11
12:18 pm-7:49 pm
1 stop7h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
BaltimoreBoston
BWI Baltimore/Washington - BOS Boston Logan Intl
BWIBOS
Baltimore/Washington
Sat 11/21
7:00 am-8:37 am
Nonstop1h 37m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$143
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Baltimore to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Baltimore with our price prediction graph.
BWI-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Boston
Prices
Airlines
Delays
How far ahead should I book a flight from Baltimore to Boston?
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Baltimore to Boston?
Currently, April is the cheapest month in which you can book a flight from Baltimore to Boston (average of $226). Flying from Baltimore to Boston in May is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BWI to BOS?
Find hourly flight availability from Baltimore to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
A simple way to save on the total cost of your ticket is to fly from Baltimore to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from Baltimore to Boston?
Use this chart to determine the cheapest time to fly round-trip from Baltimore to Boston. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their Baltimore to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Baltimore to Boston delayed?
About 19% of weekly flights between Baltimore and Boston have experienced delays in the past year, with the average delay time being 118 minutes.
What is the most punctual flight time for Baltimore to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Baltimore to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for Baltimore to Boston flights
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Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Boston trip
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Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated September 28, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Baltimore to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
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Baltimore and Boston flights
Browse other Baltimore and Boston flight options. Last updated on September 28, 2026.
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Top 5 airlines flying from Baltimore to Boston
Discover the top 5 airlines that operate flights from Baltimore to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$122 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$329 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$308 | FlexibilityNo cancel fee | On-time69% |