Seoul (ICN) to Philadelphia (PHL) flight deal from $527 USD in economy class

UAUnited Airlines

Round Trip•Economy

ICN

Incheon International Airport

Seoul, South Korea

PHL

Philadelphia International Airport

Philadelphia, United States

$1,032 USD

-49%$527 USD

Verified Oct 6, 2025 at 1:54 AM

October 2025

Today

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29 30 1 2 3 4 5 6$666 7$527 8$527 9$633 10$527 11$563 12$563 13$527 14$527 15$527 16$756 17$527 18$862 19$703 20$527 21$527 22$527 23$527 24$727 25$787 26$724 27$666 28$527 29$665 30$775 31$753 1$1,120 2$694

Limited Availability

16% of dates checked are available within 10% of the lowest price

Sunday, October 19th, 2025

10 round-trip options

Returning

Fri, Oct 24, 2025•5 Day Trip

$809 USD

Google Flights

Returning

Sat, Oct 25, 2025•6 Day Trip

$703 USD

Google Flights

Returning

Sun, Oct 26, 2025•7 Day Trip

$867 USD

Google Flights

Returning

Mon, Oct 27, 2025•8 Day Trip

$799 USD

Google Flights

Returning

Tue, Oct 28, 2025•9 Day Trip

$752 USD

Google Flights

Returning

Wed, Oct 29, 2025•10 Day Trip

$890 USD

Google Flights

Returning

Thu, Oct 30, 2025•11 Day Trip

$951 USD

Google Flights

Returning

Fri, Oct 31, 2025•12 Day Trip

$1,358 USD

Google Flights

Returning

Sat, Nov 1, 2025•13 Day Trip

$787 USD

Google Flights

Returning

Sun, Nov 2, 2025•14 Day Trip

$787 USD

Google Flights