$152 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

$152 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

Prices were available within the past 7 days and start at $152 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 18 - Thu, Oct 23

SJU

San Juan

BOS

Boston

$308 Roundtrip, found 1 day ago

$308

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Oct 18 from San Juan to Boston, returning Thu, Oct 23, priced at $308 found 1 day ago

Sat, Oct 18 - Mon, Oct 20

SJU

San Juan

BOS

Boston

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Oct 18 from San Juan to Boston, returning Mon, Oct 20, priced at $323 found 1 day ago

Sun, Oct 19 - Thu, Oct 23

SJU

San Juan

BOS

Boston

$479 Roundtrip, found 1 day ago

$479

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Oct 19 from San Juan to Boston, returning Thu, Oct 23, priced at $479 found 1 day ago