Flights from Philadelphia to San Diego

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.

Mon, May 13 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$110 Roundtrip, found 6 hours ago

$110

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $110 found 6 hours ago

Mon, Apr 29 - Sat, May 4

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$124 Roundtrip, found 5 days ago

$124

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Apr 29 from Philadelphia Intl. to San Diego Intl., returning Sat, May 4, priced at $124 found 5 days ago

Sat, May 11 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$126 Roundtrip, found 1 day ago

$126

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 11 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $126 found 1 day ago

Wed, May 1 - Sat, May 4

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$130 Roundtrip, found 6 days ago

$130

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, May 1 from Philadelphia Intl. to San Diego Intl., returning Sat, May 4, priced at $130 found 6 days ago

Fri, May 3 - Sat, May 4

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, May 3 from Philadelphia Intl. to San Diego Intl., returning Sat, May 4, priced at $134 found 6 days ago

Mon, May 13 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$136 Roundtrip, found 6 hours ago

$136

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $136 found 6 hours ago

Sat, May 11 - Fri, May 17

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$140 Roundtrip, found 1 day ago

$140

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 11 from Philadelphia Intl. to San Diego Intl., returning Fri, May 17, priced at $140 found 1 day ago

Sat, May 4 - Wed, May 8

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$144 Roundtrip, found 6 days ago

$144

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 4 from Philadelphia Intl. to San Diego Intl., returning Wed, May 8, priced at $144 found 6 days ago

Mon, May 13 - Sat, May 18

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$144 Roundtrip, found 6 days ago

$144

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Sat, May 18, priced at $144 found 6 days ago

Sat, May 11 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$149 Roundtrip, found 1 day ago

$149

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 11 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $149 found 1 day ago

Mon, May 13 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$152 Roundtrip, found 6 hours ago

$152

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $152 found 6 hours ago

Tue, May 7 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 7 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $156 found 1 day ago

Mon, May 13 - Wed, May 15

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$159 Roundtrip, found 6 hours ago

$159

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Wed, May 15, priced at $159 found 6 hours ago

Wed, May 8 - Sat, May 11

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$176 Roundtrip, found 1 day ago

$176

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, May 8 from Philadelphia Intl. to San Diego Intl., returning Sat, May 11, priced at $176 found 1 day ago

Mon, May 13 - Tue, May 14

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$252 Roundtrip, found 6 days ago

$252

Roundtrip

found 6 days ago

Select United flight, departing Mon, May 13 from Philadelphia Intl. to San Diego Intl., returning Tue, May 14, priced at $252 found 6 days ago

Sun, May 12 - Sat, May 18

ABE

Lehigh Valley Intl.

SAN

San Diego Intl.

$283 Roundtrip, found 3 days ago

$283

Roundtrip

found 3 days ago

Select United flight, departing Sun, May 12 from Lehigh Valley Intl. to San Diego Intl., returning Sat, May 18, priced at $283 found 3 days ago

Sat, May 11 - Tue, May 21

ABE

Lehigh Valley Intl.

SAN

San Diego Intl.

$308 Roundtrip, found 3 days ago

$308

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, May 11 from Lehigh Valley Intl. to San Diego Intl., returning Tue, May 21, priced at $308 found 3 days ago

Mon, Apr 29 - Sat, May 4

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$327 Roundtrip, found 5 days ago

$327

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Mon, Apr 29 from Philadelphia Intl. to San Diego Intl., returning Sat, May 4, priced at $327 found 5 days ago

Sat, Jun 1 - Sat, Aug 17

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$355 Roundtrip, found 5 days ago

$355

Roundtrip

found 5 days ago

Select American Airlines flight, departing Sat, Jun 1 from Philadelphia Intl. to San Diego Intl., returning Sat, Aug 17, priced at $355 found 5 days ago

Tue, Jun 4 - Fri, Jun 7

PHL

Philadelphia Intl.

SAN

San Diego Intl.

$543 Roundtrip, found 4 hours ago

$543

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Tue, Jun 4 from Philadelphia Intl. to San Diego Intl., returning Fri, Jun 7, priced at $543 found 4 hours ago