$187 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

$187 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

Prices were available within the past 7 days and start at $187 for one-way flights and $465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 24 - Mon, Jun 1

SJU

San Juan

BOS

Boston

$465 Roundtrip, just found

$465

Roundtrip

just found

Select Frontier Airlines flight, departing Sun, May 24 from San Juan to Boston, returning Mon, Jun 1, priced at $465 just found

Tue, May 26 - Sun, May 31

SJU

San Juan

BOS

Boston

$506 Roundtrip, just found

$506

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, May 26 from San Juan to Boston, returning Sun, May 31, priced at $506 just found

Tue, May 26 - Sat, May 30

SJU

San Juan

BOS

Boston

$526 Roundtrip, just found

$526

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, May 26 from San Juan to Boston, returning Sat, May 30, priced at $526 just found

Tue, May 26 - Mon, Jun 1

SJU

San Juan

BOS

Boston

$551 Roundtrip, just found

$551

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, May 26 from San Juan to Boston, returning Mon, Jun 1, priced at $551 just found

Sun, May 24 - Mon, Jun 1

SJU

San Juan

BOS

Boston

$554 Roundtrip, just found

$554

Roundtrip

just found

Select Frontier Airlines flight, departing Sun, May 24 from San Juan to Boston, returning Mon, Jun 1, priced at $554 just found