Cheapest return flights from Newark to Seoul in September from $905

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

03 Sep - 10 Sep Alaska Airlines
06 Sep - 13 Sep Air Canada
03 Sep - 17 Sep Air Premia
07 Sep - 30 Sep Air Canada
05 Sep - 20 Sep Air Canada
01 Sep - 14 Sep Air Premia
25 Sep - 30 Sep Air Canada
01 Sep - 13 Sep Air Premia
03 Sep - 12 Sep Spirit Airlines
24 Sep - 10 Oct Turkish Airlines
17 Sep - 24 Sep Air Canada
23 Sep - 10 Oct Air Canada
18 Sep - 12 Oct Air Canada
18 Sep - 06 Oct Air Canada
25 Sep - 12 Oct Air Canada
20 Sep - 12 Oct Air Canada
23 Sep - 10 Oct Air Premia direct
24 Sep - 10 Oct Air Premia direct
25 Sep - 12 Oct Air Premia direct
18 Sep - 12 Oct Air Premia direct

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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