$95 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

$95 Cheap Frontier Airlines flights San Juan (SJU) to Boston (BOS)

Prices were available within the past 7 days and start at $95 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 21 - Mon, Jan 5

SJU

San Juan

BOS

Boston

$143 Roundtrip, found 1 day ago

$143

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from San Juan to Boston, returning Mon, Jan 5, priced at $143 found 1 day ago

Tue, Dec 23 - Mon, Jan 5

SJU

San Juan

BOS

Boston

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from San Juan to Boston, returning Mon, Jan 5, priced at $148 found 1 day ago

Sun, Dec 21 - Fri, Jan 2

SJU

San Juan

BOS

Boston

$180 Roundtrip, found 1 day ago

$180

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from San Juan to Boston, returning Fri, Jan 2, priced at $180 found 1 day ago

Sun, Dec 21 - Thu, Jan 1

SJU

San Juan

BOS

Boston

$181 Roundtrip, found 1 day ago

$181

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from San Juan to Boston, returning Thu, Jan 1, priced at $181 found 1 day ago

Sun, Dec 21 - Tue, Dec 30

SJU

San Juan

BOS

Boston

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from San Juan to Boston, returning Tue, Dec 30, priced at $217 found 1 day ago