Cheapest return flights from Philadelphia to Seoul in May from $886

Best time to book flights for Philadelphia (PHL) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Seoul (ICN) in May 2025 (see full year).

Return flights

06 May - 26 May Frontier Airlines
02 May - 22 May Frontier Airlines
04 May - 12 May Air Canada
04 May - 22 May Air Canada
05 May - 26 May Air Canada
04 May - 26 May Air Canada
04 May - 14 May Air Canada
03 May - 22 May Air Canada
05 May - 11 May Air Canada
05 May - 25 May Air Canada
13 May - 01 Jun Air Canada

Also check the deals for one-way flights from Philadelphia to Seoul in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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