Cheapest return flights from Newark to Seoul in September from $990

Best time to book flights for Newark (EWR) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to Seoul (ICN) in September 2025 (see full year).

Return flights

29 Sep - 31 Oct Turkish Airlines
01 Sep - 21 Sep Turkish Airlines
28 Sep - 11 Oct Turkish Airlines
05 Sep - 17 Oct Turkish Airlines
04 Sep - 07 Sep Air India
26 Sep - 10 Oct Turkish Airlines
22 Sep - 25 Oct Turkish Airlines
04 Sep - 07 Sep Air Premia direct
01 Sep - 15 Sep Air Premia direct
01 Sep - 21 Sep Air Premia direct
12 Sep - 19 Sep Turkish Airlines
26 Sep - 10 Oct Air Premia direct
22 Sep - 29 Sep Air India
11 Sep - 25 Sep Air Premia direct
12 Sep - 19 Sep Air Premia direct
05 Sep - 17 Oct Air Premia direct
16 Sep - 27 Sep Turkish Airlines

Also check the deals for one-way flights from Newark to Seoul in September.

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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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