$74 Cheap Frontier Airlines flights Philadelphia (PHL) to Boston (BOS)

$74 Cheap Frontier Airlines flights Philadelphia (PHL) to Boston (BOS)

Prices were available within the past 7 days and start at $74 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 27 - Thu, Jul 31

PHL

Philadelphia

BOS

Boston

$129 Roundtrip, found 3 days ago

$129

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Philadelphia to Boston, returning Thu, Jul 31, priced at $129 found 3 days ago

Sun, Jul 13 - Wed, Jul 16

PHL

Philadelphia

BOS

Boston

$155 Roundtrip, found 5 hours ago

$155

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Philadelphia to Boston, returning Wed, Jul 16, priced at $155 found 5 hours ago

Sun, Jul 20 - Mon, Jul 28

PHL

Philadelphia

BOS

Boston

$160 Roundtrip, found 10 hours ago

$160

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Philadelphia to Boston, returning Mon, Jul 28, priced at $160 found 10 hours ago

Sun, Jul 13 - Wed, Jul 16

PHL

Philadelphia

BOS

Boston

$178 Roundtrip, found 5 hours ago

$178

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Philadelphia to Boston, returning Wed, Jul 16, priced at $178 found 5 hours ago

Sun, Jul 20 - Mon, Jul 28

PHL

Philadelphia

BOS

Boston

$190 Roundtrip, found 10 hours ago

$190

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Philadelphia to Boston, returning Mon, Jul 28, priced at $190 found 10 hours ago