BWI to BOS from $117 in economy

DLDelta Air Lines

WNSouthwest Airlines

Round Trip•Economy

BWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

BOS

Logan International Airport

Boston, United States

$228 USD

-49%$117 USD

Verified about 6 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$156 1$117 2$117 3$156 4$176 5$117 6$176 7$176 8$117 9$117 10$156 11$176 12$117 13$176 14$156 15$117 16$117 17$156 18$176 19$117 20$176 21$156 22$117 23$117 24$156 25$176 26$117 27$176 28$156 29$117 30$117 1$156 2$176 3$117 4$176

Rare Availability

8% of dates checked are available within 10% of the lowest price

Friday, September 18th, 2026

7 round-trip options

Returning

Wed, Sep 23, 2026•5 Day Trip

$176 USD

Google Flights

Returning

Fri, Sep 25, 2026•7 Day Trip

$235 USD

Google Flights

Returning

Sat, Sep 26, 2026•8 Day Trip

$176 USD

Google Flights

Returning

Sun, Sep 27, 2026•9 Day Trip

$275 USD

Google Flights

Returning

Tue, Sep 29, 2026•11 Day Trip

$176 USD

Google Flights

Returning

Thu, Oct 1, 2026•13 Day Trip

$215 USD

Google Flights

Returning

Fri, Oct 2, 2026•14 Day Trip

$235 USD

Google Flights

Baltimore-Washington (BWI) to Boston (BOS) flight deal in economy from $117

Baltimore/Washington International Thurgood Marshall Ai

Logan International Airport

September 2026

Friday, September 18th, 2026