SAN to PHL from $426 in economy

UAUnited Airlines

Round Trip•Economy

SAN

San Diego International Airport

San Diego, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$522 USD

-18%$426 USD

Verified about 7 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$552 1$426 2$426 3$478 4$478 5$426 6$478 7$478 8$431 9$431 10$483 11$501 12$483 13$535 14$535 15$483 16$518 17$535 18$592 19$483 20$535 21$530 22$426 23$426 24$478 25$478 26$426 27$478 28$478 29$426 30$426 31$478 1$478 2$738 3$478

Limited Availability

18% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

10 round-trip options

Returning

Wed, Dec 23, 2026•5 Day Trip

$738 USD

Google Flights

Returning

Thu, Dec 24, 2026•6 Day Trip

$632 USD

Google Flights

Returning

Fri, Dec 25, 2026•7 Day Trip

$592 USD

Google Flights

Returning

Sat, Dec 26, 2026•8 Day Trip

$1,030 USD

Google Flights

Returning

Sun, Dec 27, 2026•9 Day Trip

$905 USD

Google Flights

Returning

Mon, Dec 28, 2026•10 Day Trip

$792 USD

Google Flights

Returning

Tue, Dec 29, 2026•11 Day Trip

$744 USD

Google Flights

Returning

Wed, Dec 30, 2026•12 Day Trip

$622 USD

Google Flights

Returning

Thu, Dec 31, 2026•13 Day Trip

$592 USD

Google Flights

Returning

Fri, Jan 1, 2027•14 Day Trip

$592 USD

Google Flights

San Diego (SAN) to Philadelphia (PHL) flight deal in economy from $426

San Diego International Airport

Philadelphia International Airport

December 2026

Friday, December 18th, 2026