$129 Cheap Frontier Airlines flights San Diego (SAN) to Philadelphia (PHL)

View $129 flight on Wed, Jun 18, 2025Opens in a new window

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$129 Cheap Frontier Airlines flights San Diego (SAN) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $129 for one-way flights and $237 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frontier Airlines
Sat, Jun 14 - Tue, Jun 24
SAN
San Diego
PHL
Philadelphia
$237
Roundtrip
Found 7 hours ago
Select Frontier Airlines flight, departing Sat, Jun 14 from San Diego to Philadelphia, returning Tue, Jun 24, priced at $237 Found 7 hours ago
Frontier Airlines
Wed, Jun 11 - Sat, Jun 14
SAN
San Diego
PHL
Philadelphia
$258
Roundtrip
Found 7 hours ago
Select Frontier Airlines flight, departing Wed, Jun 11 from San Diego to Philadelphia, returning Sat, Jun 14, priced at $258 Found 7 hours ago
Frontier Airlines
Wed, Jun 25 - Sat, Jul 5
SAN
San Diego
PHL
Philadelphia
$266
Roundtrip
Found 7 hours ago
Select Frontier Airlines flight, departing Wed, Jun 25 from San Diego to Philadelphia, returning Sat, Jul 5, priced at $266 Found 7 hours ago
Frontier Airlines
Thu, Jun 5 - Tue, Jun 17
SAN
San Diego
PHL
Philadelphia
$266
Roundtrip
Found 16 hours ago
Select Frontier Airlines flight, departing Thu, Jun 5 from San Diego to Philadelphia, returning Tue, Jun 17, priced at $266 Found 16 hours ago
Frontier Airlines
Wed, Jun 18 - Tue, Jun 24
SAN
San Diego
PHL
Philadelphia
$270
Roundtrip
Found 13 hours ago
Select Frontier Airlines flight, departing Wed, Jun 18 from San Diego to Philadelphia, returning Tue, Jun 24, priced at $270 Found 13 hours ago
Frontier Airlines
Wed, Jul 23 - Sun, Jul 27
SAN
San Diego
PHL
Philadelphia
$275
Roundtrip
Found 6 hours ago
Select Frontier Airlines flight, departing Wed, Jul 23 from San Diego to Philadelphia, returning Sun, Jul 27, priced at $275 Found 6 hours ago
Flights from San Diego (SAN) to Philadelphia (PHL)
Origin airport
San Diego Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
American Airlines
Distance
2365 mi
Average flight time
8 hours 19 mins

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