$643 Cheap Frontier Airlines flights Boston (BOS) to San Antonio (SAT)

$643 Cheap Frontier Airlines flights Boston (BOS) to San Antonio (SAT)

Prices were available within the past 7 days and start at $643 for one-way flights and $1,274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 26 - Sun, Nov 30

BOS

Boston

SAT

San Antonio

$1,274 Roundtrip, found 2 days ago

$1,274

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Nov 26 from Boston to San Antonio, returning Sun, Nov 30, priced at $1,274 found 2 days ago