Flights from Philadelphia to Onset

Cheapest flights from Philadelphia

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 8 - Tue, Jul 15

PHL

Philadelphia Intl.

BOS

Logan Intl.

$110 Roundtrip, found 14 hours ago

$110

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Logan Intl., returning Tue, Jul 15, priced at $110 found 14 hours ago

Tue, Jul 8 - Thu, Jul 10

PHL

Philadelphia Intl.

BOS

Logan Intl.

$120 Roundtrip, found 14 hours ago

$120

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Logan Intl., returning Thu, Jul 10, priced at $120 found 14 hours ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$130 Roundtrip, found 14 hours ago

$130

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $130 found 14 hours ago

Tue, Jul 8 - Sat, Jul 12

PHL

Philadelphia Intl.

BOS

Logan Intl.

$141 Roundtrip, found 14 hours ago

$141

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Logan Intl., returning Sat, Jul 12, priced at $141 found 14 hours ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$146 Roundtrip, found 14 hours ago

$146

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $146 found 14 hours ago

Thu, Jul 10 - Sat, Jul 12

PHL

Philadelphia Intl.

BOS

Logan Intl.

$151 Roundtrip, found 14 hours ago

$151

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sat, Jul 12, priced at $151 found 14 hours ago

Mon, Jun 16 - Tue, Jun 17

PHL

Philadelphia Intl.

BOS

Logan Intl.

$154 Roundtrip, found 14 hours ago

$154

Roundtrip

found 14 hours ago

Select Delta flight, departing Mon, Jun 16 from Philadelphia Intl. to Logan Intl., returning Tue, Jun 17, priced at $154 found 14 hours ago

Tue, Jul 8 - Mon, Jul 14

PHL

Philadelphia Intl.

BOS

Logan Intl.

$161 Roundtrip, found 14 hours ago

$161

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Logan Intl., returning Mon, Jul 14, priced at $161 found 14 hours ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$164 Roundtrip, found 14 hours ago

$164

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $164 found 14 hours ago

Thu, Jul 10 - Mon, Jul 14

PHL

Philadelphia Intl.

BOS

Logan Intl.

$171 Roundtrip, found 14 hours ago

$171

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Mon, Jul 14, priced at $171 found 14 hours ago

Sat, Jun 14 - Fri, Jun 20

PHL

Philadelphia Intl.

BOS

Logan Intl.

$172 Roundtrip, found 14 hours ago

$172

Roundtrip

found 14 hours ago

Select Spirit Airlines flight, departing Sat, Jun 14 from Philadelphia Intl. to Logan Intl., returning Fri, Jun 20, priced at $172 found 14 hours ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$174 Roundtrip, found 14 hours ago

$174

Roundtrip

found 14 hours ago

Select United flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $174 found 14 hours ago

Mon, Jun 16 - Tue, Jun 17

PHL

Philadelphia Intl.

BOS

Logan Intl.

$175 Roundtrip, found 14 hours ago

$175

Roundtrip

found 14 hours ago

Select Spirit Airlines flight, departing Mon, Jun 16 from Philadelphia Intl. to Logan Intl., returning Tue, Jun 17, priced at $175 found 14 hours ago

Tue, Jun 3 - Tue, Jun 10

PHL

Philadelphia Intl.

BOS

Logan Intl.

$177 Roundtrip, found 5 days ago

$177

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jun 3 from Philadelphia Intl. to Logan Intl., returning Tue, Jun 10, priced at $177 found 5 days ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$177 Roundtrip, found 14 hours ago

$177

Roundtrip

found 14 hours ago

Select Delta flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $177 found 14 hours ago

Mon, Jun 16 - Sat, Jun 21

PHL

Philadelphia Intl.

BOS

Logan Intl.

$177 Roundtrip, found 14 hours ago

$177

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Mon, Jun 16 from Philadelphia Intl. to Logan Intl., returning Sat, Jun 21, priced at $177 found 14 hours ago

Thu, Jul 10 - Sun, Jul 13

PHL

Philadelphia Intl.

BOS

Logan Intl.

$177 Roundtrip, found 14 hours ago

$177

Roundtrip

found 14 hours ago

Select American Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Logan Intl., returning Sun, Jul 13, priced at $177 found 14 hours ago

Tue, Jun 3 - Tue, Jun 10

PHL

Philadelphia Intl.

BOS

Logan Intl.

$180 Roundtrip, found 5 days ago

$180

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jun 3 from Philadelphia Intl. to Logan Intl., returning Tue, Jun 10, priced at $180 found 5 days ago

Tue, Jun 3 - Tue, Jun 10

PHL

Philadelphia Intl.

BOS

Logan Intl.

$197 Roundtrip, found 5 days ago

$197

Roundtrip

found 5 days ago

Select United flight, departing Tue, Jun 3 from Philadelphia Intl. to Logan Intl., returning Tue, Jun 10, priced at $197 found 5 days ago

Tue, Jun 3 - Tue, Jun 10

ABE

Lehigh Valley Intl.

BOS

Logan Intl.

$264 Roundtrip, found 1 day ago

$264

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jun 3 from Lehigh Valley Intl. to Logan Intl., returning Tue, Jun 10, priced at $264 found 1 day ago