Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at for one-way flights and $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 27 - Fri, Jun 6

SFO

San Francisco

BOS

Boston

$280 Roundtrip, found 15 hours ago

$280

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from San Francisco to Boston, returning Fri, Jun 6, priced at $280 found 15 hours ago

Tue, May 27 - Wed, Jun 4

SFO

San Francisco

BOS

Boston

$291 Roundtrip, found 15 hours ago

$291

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from San Francisco to Boston, returning Wed, Jun 4, priced at $291 found 15 hours ago