$65 Cheap Frontier Airlines flights Boston (BOS) to Philadelphia (PHL)

$65 Cheap Frontier Airlines flights Boston (BOS) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $65 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 1 - Tue, Jul 8

BOS

Boston

PHL

Philadelphia

$110 Roundtrip, found 1 day ago

$110

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Boston to Philadelphia, returning Tue, Jul 8, priced at $110 found 1 day ago

Sun, Jul 6 - Tue, Jul 8

BOS

Boston

PHL

Philadelphia

$120 Roundtrip, found 1 day ago

$120

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Boston to Philadelphia, returning Tue, Jul 8, priced at $120 found 1 day ago

Sun, Jul 6 - Thu, Jul 10

BOS

Boston

PHL

Philadelphia

$130 Roundtrip, found 1 day ago

$130

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Boston to Philadelphia, returning Thu, Jul 10, priced at $130 found 1 day ago

Fri, Jul 4 - Tue, Jul 8

BOS

Boston

PHL

Philadelphia

$161 Roundtrip, found 1 day ago

$161

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Boston to Philadelphia, returning Tue, Jul 8, priced at $161 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

BOS

Boston

PHL

Philadelphia

$164 Roundtrip, found 1 day ago

$164

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Boston to Philadelphia, returning Mon, Jul 7, priced at $164 found 1 day ago

Fri, Jul 4 - Sun, Jul 6

BOS

Boston

PHL

Philadelphia

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Boston to Philadelphia, returning Sun, Jul 6, priced at $171 found 1 day ago

Thu, Jul 3 - Sat, Jul 5

BOS

Boston

PHL

Philadelphia

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Boston to Philadelphia, returning Sat, Jul 5, priced at $221 found 1 day ago