$96 Cheap Frontier Airlines flights Boston (BOS) to San Juan (SJU)

$96 Cheap Frontier Airlines flights Boston (BOS) to San Juan (SJU)

Prices were available within the past 7 days and start at $96 for one-way flights and $153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 24 - Sun, Feb 15

BOS

Boston

SJU

San Juan

$153 Roundtrip, found 4 days ago

$153

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Boston to San Juan, returning Sun, Feb 15, priced at $153 found 4 days ago

Sat, Jan 24 - Sat, Feb 14

BOS

Boston

SJU

San Juan

$169 Roundtrip, found 4 days ago

$169

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Boston to San Juan, returning Sat, Feb 14, priced at $169 found 4 days ago

Fri, Jan 23 - Sun, Feb 15

BOS

Boston

SJU

San Juan

$188 Roundtrip, found 4 days ago

$188

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jan 23 from Boston to San Juan, returning Sun, Feb 15, priced at $188 found 4 days ago

Sat, Jan 24 - Sat, Feb 14

BOS

Boston

SJU

San Juan

$192 Roundtrip, found 4 days ago

$192

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Boston to San Juan, returning Sat, Feb 14, priced at $192 found 4 days ago

Sat, Jan 24 - Sat, Feb 14

BOS

Boston

SJU

San Juan

$198 Roundtrip, found 4 days ago

$198

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Boston to San Juan, returning Sat, Feb 14, priced at $198 found 4 days ago

Fri, Jan 23 - Thu, Feb 12

BOS

Boston

SJU

San Juan

$204 Roundtrip, found 5 days ago

$204

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jan 23 from Boston to San Juan, returning Thu, Feb 12, priced at $204 found 5 days ago

Mon, Mar 16 - Sat, Apr 4

BOS

Boston

SJU

San Juan

$215 Roundtrip, found 11 hours ago

$215

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Mar 16 from Boston to San Juan, returning Sat, Apr 4, priced at $215 found 11 hours ago

Mon, Mar 16 - Tue, Apr 7

BOS

Boston

SJU

San Juan

$225 Roundtrip, found 11 hours ago

$225

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Mar 16 from Boston to San Juan, returning Tue, Apr 7, priced at $225 found 11 hours ago