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 6 minutes ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$448 1$426 2$426 3$478 4$478 5$426 6$426 7$478 8$426 9$426 10$478 11$460 12$426 13$478 14$470 15$426 16$426 17$478 18$478 19$426 20$478 21$478 22$426 23$426 24$470 25$478 26$426 27$478 28$470 29$426 30$426 1$470 2$478 3$426 4$478

Limited Availability

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

Wednesday, September 9th, 2026

10 round-trip options

Returning

Mon, Sep 14, 2026•5 Day Trip

$475 USD

Google Flights

Returning

Tue, Sep 15, 2026•6 Day Trip

$426 USD

Google Flights

Returning

Wed, Sep 16, 2026•7 Day Trip

$426 USD

Google Flights

Returning

Thu, Sep 17, 2026•8 Day Trip

$475 USD

Google Flights

Returning

Fri, Sep 18, 2026•9 Day Trip

$473 USD

Google Flights

Returning

Sat, Sep 19, 2026•10 Day Trip

$431 USD

Google Flights

Returning

Sun, Sep 20, 2026•11 Day Trip

$483 USD

Google Flights

Returning

Mon, Sep 21, 2026•12 Day Trip

$478 USD

Google Flights

Returning

Tue, Sep 22, 2026•13 Day Trip

$426 USD

Google Flights

Returning

Wed, Sep 23, 2026•14 Day Trip

$426 USD

Google Flights

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

San Diego International Airport

Philadelphia International Airport

September 2026

Wednesday, September 9th, 2026