$178 Cheap Frontier Airlines flights Boston (BOS) to San Juan (SJU)

$178 Cheap Frontier Airlines flights Boston (BOS) to San Juan (SJU)

Prices were available within the past 7 days and start at $178 for one-way flights and $174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Mar 1 - Thu, Mar 5

BOS

Boston

SJU

San Juan

$174 Roundtrip, found 15 hours ago

$174

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sun, Mar 1 from Boston to San Juan, returning Thu, Mar 5, priced at $174 found 15 hours ago

Thu, Feb 26 - Thu, Mar 5

BOS

Boston

SJU

San Juan

$189 Roundtrip, found 15 hours ago

$189

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Boston to San Juan, returning Thu, Mar 5, priced at $189 found 15 hours ago

Thu, Feb 19 - Thu, Mar 5

BOS

Boston

SJU

San Juan

$204 Roundtrip, found 12 hours ago

$204

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Boston to San Juan, returning Thu, Mar 5, priced at $204 found 12 hours ago

Sun, Mar 1 - Mon, Mar 2

BOS

Boston

SJU

San Juan

$224 Roundtrip, found 15 hours ago

$224

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sun, Mar 1 from Boston to San Juan, returning Mon, Mar 2, priced at $224 found 15 hours ago

Thu, Jan 1 - Sat, Jan 17

BOS

Boston

SJU

San Juan

$228 Roundtrip, found 14 hours ago

$228

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Boston to San Juan, returning Sat, Jan 17, priced at $228 found 14 hours ago

Thu, Jan 1 - Thu, Jan 8

BOS

Boston

SJU

San Juan

$231 Roundtrip, found 15 hours ago

$231

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Boston to San Juan, returning Thu, Jan 8, priced at $231 found 15 hours ago

Thu, Feb 26 - Fri, Feb 27

BOS

Boston

SJU

San Juan

$233 Roundtrip, found 15 hours ago

$233

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Boston to San Juan, returning Fri, Feb 27, priced at $233 found 15 hours ago

Mon, Feb 23 - Thu, Mar 5

BOS

Boston

SJU

San Juan

$235 Roundtrip, found 15 hours ago

$235

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Feb 23 from Boston to San Juan, returning Thu, Mar 5, priced at $235 found 15 hours ago

Thu, Feb 26 - Sun, Mar 1

BOS

Boston

SJU

San Juan

$239 Roundtrip, found 15 hours ago

$239

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Boston to San Juan, returning Sun, Mar 1, priced at $239 found 15 hours ago

Sat, Jan 24 - Thu, Feb 12

BOS

Boston

SJU

San Juan

$245 Roundtrip, found 12 hours ago

$245

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Boston to San Juan, returning Thu, Feb 12, priced at $245 found 12 hours ago