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

Return flights

06 Jan - 19 Jan	Air Canada
05 Jan - 15 Jan	Air Canada
27 Jan - 06 Feb	Turkish Airlines
06 Jan - 30 Jan	Air Canada
06 Jan - 16 Jan	Air Canada
25 Jan - 04 Feb	Turkish Airlines
19 Jan - 29 Jan	Turkish Airlines
02 Jan - 16 Jan	Air Canada
19 Jan - 26 Jan	Turkish Airlines
01 Jan - 11 Jan	Air Canada
10 Jan - 01 Feb	Air Canada
17 Jan - 08 Feb	Air Canada
17 Jan - 08 Feb	Air Premia	direct
24 Jan - 12 Feb	Air Canada
23 Jan - 02 Feb	Turkish Airlines
14 Jan - 21 Jan	Air Canada
16 Jan - 16 Feb	Air Canada
14 Jan - 21 Jan	Air Premia	direct
16 Jan - 16 Feb	Air Premia	direct
27 Jan - 06 Feb	Air Premia	direct

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

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 January from $973

Return flights