Cheapest return flights from Newark to Seoul in September from $904

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

18 Sep - 23 Sep Air Canada
15 Sep - 16 Oct Air Canada
12 Sep - 15 Sep Porter Airlines (Canada) Ltd
02 Sep - 16 Sep Air Canada
17 Sep - 24 Sep Air Canada
12 Sep - 19 Sep Porter Airlines (Canada) Ltd
12 Sep - 14 Sep Porter Airlines (Canada) Ltd
12 Sep - 20 Sep Porter Airlines (Canada) Ltd
14 Sep - 22 Sep Air Canada
08 Sep - 23 Sep Spirit Airlines
10 Sep - 26 Sep Air Canada
16 Sep - 14 Oct Porter Airlines (Canada) Ltd
18 Sep - 05 Oct Air Canada
30 Sep - 14 Oct Alaska Airlines
18 Sep - 01 Oct Air Canada
24 Sep - 08 Oct Spirit Airlines
17 Sep - 01 Oct Air Canada
30 Sep - 31 Oct Alaska Airlines
01 Sep - 24 Oct Air Premia direct
23 Sep - 10 Oct Ethiopian 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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