$112 Cheap Frontier Airlines flights Philadelphia (PHL) to Boston (BOS)

$112 Cheap Frontier Airlines flights Philadelphia (PHL) to Boston (BOS)

Prices were available within the past 7 days and start at $112 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 31 - Thu, Jun 12

PHL

Philadelphia

BOS

Boston

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 31 from Philadelphia to Boston, returning Thu, Jun 12, priced at $151 found 1 day ago

Sun, Jun 1 - Thu, Jun 12

PHL

Philadelphia

BOS

Boston

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 1 from Philadelphia to Boston, returning Thu, Jun 12, priced at $171 found 1 day ago

Sun, Jun 1 - Wed, Jun 4

PHL

Philadelphia

BOS

Boston

$196 Roundtrip, found 4 days ago

$196

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jun 1 from Philadelphia to Boston, returning Wed, Jun 4, priced at $196 found 4 days ago

Thu, May 8 - Thu, May 15

PHL

Philadelphia

BOS

Boston

$212 Roundtrip, found 17 hours ago

$212

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Thu, May 8 from Philadelphia to Boston, returning Thu, May 15, priced at $212 found 17 hours ago

Sun, Jun 1 - Wed, Jun 4

PHL

Philadelphia

BOS

Boston

$215 Roundtrip, found 4 days ago

$215

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jun 1 from Philadelphia to Boston, returning Wed, Jun 4, priced at $215 found 4 days ago