Cheap Frontier Airlines flights Boston (BOS) to San José (SJO)

Cheap Frontier Airlines flights Boston (BOS) to San José (SJO)

Prices were available within the past 7 days and start at for one-way flights and $405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Mar 20 - Sat, Apr 4
BOS
Boston
SJO
San José
$405 Roundtrip, found 1 day ago
$405
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Mar 20 from Boston to San José, returning Sat, Apr 4, priced at $405 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to San José (SJO)

September is typically the cheapest month to fly

From $181 - $354 per traveler.
Flights from Boston (BOS) to San José (SJO)
Origin airport
Logan Intl.
Destination airport
Juan Santamaría Intl.
Distance
3798 km