Cheap United flights Boston (BOS) to San Antonio (SAT)

Cheap United flights Boston (BOS) to San Antonio (SAT)

Prices were available within the past 7 days and start at for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Thu, Oct 30

BOS

Boston

SAT

San Antonio

$349 Roundtrip, found 1 day ago

$349

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Boston to San Antonio, returning Thu, Oct 30, priced at $349 found 1 day ago

Sun, Dec 28 - Tue, Dec 30

BOS

Boston

SAT

San Antonio

$448 Roundtrip, found 1 day ago

$448

Roundtrip

found 1 day ago

Select United flight, departing Sun, Dec 28 from Boston to San Antonio, returning Tue, Dec 30, priced at $448 found 1 day ago