$75 Cheap Frontier Airlines flights Boston (BOS) to Baltimore (BWI)

View $75 flight on Wed, Mar 4, 2026Opens in a new window

$75 Cheap Frontier Airlines flights Boston (BOS) to Baltimore (BWI)

Prices were available within the past 7 days and start at $75 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Mar 4 - Fri, Mar 13
BOS
Boston
BWI
Baltimore
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Boston to Baltimore, returning Fri, Mar 13, priced at $223 found 1 day ago
Frontier Airlines
Wed, Mar 4 - Fri, Mar 13
BOS
Boston
BWI
Baltimore
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Boston to Baltimore, returning Fri, Mar 13, priced at $255 found 1 day ago
Frontier Airlines
Wed, Mar 4 - Fri, Mar 13
BOS
Boston
BWI
Baltimore
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Boston to Baltimore, returning Fri, Mar 13, priced at $338 found 1 day ago

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

February is typically the cheapest month to fly

From $48 - $206 per traveler.

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city center is 57 minutes. Flights from $137
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center57 min
Flights from $137
Flights from Boston (BOS) to Baltimore (BWI)
Origin airport
Logan Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
589 km
Average flight time
1 hour 38 mins