AirHint found the following cheapest return flights from Seoul (ICN) to Mexico City (MEX) in August 2025 (see full year).

Return flights

14 Aug - 16 Aug	Air Premia
14 Aug - 17 Aug	Air Premia
11 Aug - 28 Aug	United
27 Aug - 29 Aug	United
12 Aug - 18 Aug	United
06 Aug - 21 Aug	United
20 Aug - 27 Aug	United
25 Aug - 29 Aug	United
25 Aug - 31 Aug	United
26 Aug - 24 Sep	United
26 Aug - 30 Sep	United
27 Aug - 18 Sep	United
25 Aug - 25 Sep	United
20 Aug - 24 Aug	United
29 Aug - 07 Sep	United
28 Aug - 04 Sep	Air Canada
24 Aug - 07 Sep	United

Also check the deals for one-way flights from Seoul to Mexico City 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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Cheapest return flights from Seoul to Mexico City in August from 901€

Return flights