AirHint found the following cheapest return flights from Seoul (ICN) to Cancun (CUN) in May 2026 (see full year).

Return flights

06 May - 27 May	Air Canada
04 May - 25 May	Air Canada
11 May - 18 May	Air Canada
10 May - 20 May	Air Canada
04 May - 09 May	Air Canada
19 May - 02 Jun	Air Canada
18 May - 28 May	Air Canada
08 May - 17 May	Air Canada
13 May - 20 May	Air Canada
19 May - 23 May	Air Canada
18 May - 30 May	Air Canada
30 May - 12 Jun	Air Canada
29 May - 06 Jun	Air Canada
29 May - 07 Jun	Air Canada
27 May - 01 Jun	Air France
19 May - 01 Jun	Korean Air

Also check the deals for one-way flights from Seoul to Cancun in May.

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 Seoul to Cancun in May from 763€

Return flights