$131 Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

$131 Cheap Frontier Airlines flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $131 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 24 - Wed, Apr 8

SFO

San Francisco

BOS

Boston

$227 Roundtrip, found 13 hours ago

$227

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Mar 24 from San Francisco to Boston, returning Wed, Apr 8, priced at $227 found 13 hours ago

Tue, Mar 24 - Tue, Apr 7

SFO

San Francisco

BOS

Boston

$248 Roundtrip, found 13 hours ago

$248

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Mar 24 from San Francisco to Boston, returning Tue, Apr 7, priced at $248 found 13 hours ago

Mon, Mar 23 - Wed, Apr 8

SFO

San Francisco

BOS

Boston

$261 Roundtrip, found 13 hours ago

$261

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, Mar 23 from San Francisco to Boston, returning Wed, Apr 8, priced at $261 found 13 hours ago

Tue, Mar 17 - Wed, Apr 1

SFO

San Francisco

BOS

Boston

$262 Roundtrip, found 13 hours ago

$262

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Mar 17 from San Francisco to Boston, returning Wed, Apr 1, priced at $262 found 13 hours ago

Wed, Mar 25 - Wed, Apr 22

SFO

San Francisco

BOS

Boston

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Mar 25 from San Francisco to Boston, returning Wed, Apr 22, priced at $268 found 1 day ago

Tue, Mar 24 - Thu, Apr 9

SFO

San Francisco

BOS

Boston

$278 Roundtrip, found 13 hours ago

$278

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Mar 24 from San Francisco to Boston, returning Thu, Apr 9, priced at $278 found 13 hours ago

Mon, Mar 23 - Tue, Apr 7

SFO

San Francisco

BOS

Boston

$282 Roundtrip, found 13 hours ago

$282

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, Mar 23 from San Francisco to Boston, returning Tue, Apr 7, priced at $282 found 13 hours ago

Sun, Mar 22 - Wed, Apr 8

SFO

San Francisco

BOS

Boston

$292 Roundtrip, found 13 hours ago

$292

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sun, Mar 22 from San Francisco to Boston, returning Wed, Apr 8, priced at $292 found 13 hours ago

Thu, Mar 26 - Thu, Apr 23

SFO

San Francisco

BOS

Boston

$303 Roundtrip, found 1 day ago

$303

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Mar 26 from San Francisco to Boston, returning Thu, Apr 23, priced at $303 found 1 day ago