AirHint found the following cheapest return flights from Newark (EWR) to Seoul (ICN) in August 2026 (see full year).

Return flights

26 Aug - 25 Sep	Spirit Airlines
18 Aug - 31 Aug	Spirit Airlines
05 Aug - 26 Aug	Spirit Airlines
05 Aug - 26 Aug	Air Premia	direct
05 Aug - 19 Aug	Air Premia	direct
05 Aug - 12 Aug	Air Premia	direct
26 Aug - 25 Sep	Air Premia	direct
13 Aug - 22 Aug	Air Premia	direct
07 Aug - 24 Aug	Air Premia	direct
07 Aug - 15 Aug	Air Premia	direct
05 Aug - 15 Aug	Air Premia	direct
11 Aug - 23 Sep	Air Premia	direct
01 Aug - 08 Aug	Air Premia	direct
26 Aug - 02 Sep	Delta

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

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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Cheapest return flights from Newark to Seoul in August from 896€

Return flights