Cheap flights from Baltimore to Cambridge

View AU$106 flight on Wed, 24 Sep. 2025Opens in a new window

Popular airlines from Baltimore to Cambridge

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Baltimore (WAS) to Cambridge (BOS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, 12 Aug. - Fri, 22 Aug.
BWI
Baltimore
BOS
Boston
AU$150 Return, found 4 days ago
AU$150
Return
found 4 days ago
Select Spirit Airlines flight, departing Tue, 12 Aug. from Baltimore to Boston, returning Fri, 22 Aug., priced at AU$150 found 4 days ago
Spirit Airlines
Tue, 12 Aug. - Tue, 19 Aug.
BWI
Baltimore
BOS
Boston
AU$180 Return, found 4 days ago
AU$180
Return
found 4 days ago
Select Spirit Airlines flight, departing Tue, 12 Aug. from Baltimore to Boston, returning Tue, 19 Aug., priced at AU$180 found 4 days ago
Delta
Wed, 13 Aug. - Tue, 19 Aug.
BWI
Baltimore
BOS
Boston
AU$210 Return, found 4 days ago
AU$210
Return
found 4 days ago
Select Delta flight, departing Wed, 13 Aug. from Baltimore to Boston, returning Tue, 19 Aug., priced at AU$210 found 4 days ago
American Airlines
Wed, 20 Aug. - Wed, 27 Aug.
DCA
Washington
BOS
Boston
AU$210 Return, found 1 day ago
AU$210
Return
found 1 day ago
Select American Airlines flight, departing Wed, 20 Aug. from Washington to Boston, returning Wed, 27 Aug., priced at AU$210 found 1 day ago
United
Wed, 20 Aug. - Wed, 27 Aug.
DCA
Washington
BOS
Boston
AU$271 Return, found 1 day ago
AU$271
Return
found 1 day ago
Select United flight, departing Wed, 20 Aug. from Washington to Boston, returning Wed, 27 Aug., priced at AU$271 found 1 day ago
Alaska Airlines
Fri, 14 Nov. - Mon, 17 Nov.
BWI
Baltimore
BOS
Boston
AU$920 Return, found 1 hour ago
AU$920
Return
found 1 hour ago
Select Alaska Airlines flight, departing Fri, 14 Nov. from Baltimore to Boston, returning Mon, 17 Nov., priced at AU$920 found 1 hour ago

Find the cheapest month to fly from Baltimore (BWI) to Boston (BOS)

March is typically the cheapest month to fly

From AU$73 - AU$119 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.