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

Return flights

03 Mar - 17 Mar	Turkish Airlines
18 Mar - 22 Mar	Turkish Airlines
07 Mar - 16 Mar	Turkish Airlines
01 Mar - 08 Mar	Turkish Airlines
28 Mar - 05 Apr	Turkish Airlines
28 Mar - 11 Apr	Turkish Airlines
03 Mar - 17 Mar	Air Premia	direct
29 Mar - 11 Apr	Air Canada
07 Mar - 16 Mar	Air Premia	direct
18 Mar - 22 Mar	Air Premia	direct
01 Mar - 08 Mar	Air Premia	direct
28 Mar - 11 Apr	Air Premia	direct
28 Mar - 05 Apr	Air Premia	direct
29 Mar - 11 Apr	Air Premia	direct

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

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 March from 911€

Return flights