AirHint found the following cheapest return flights from Treviso (TSF) to Seoul (ICN) in April 2026 (see full year).

Return flights

05 Apr - 14 Apr	Ryanair
09 Apr - 16 Apr	Ryanair
06 Apr - 13 Apr	Ryanair
29 Apr - 09 May	Ryanair
13 Apr - 25 Apr	Ryanair
02 Apr - 13 Apr	Ryanair
02 Apr - 12 Apr	Ryanair
09 Apr - 23 Apr	Wizz Air Malta
05 Apr - 19 Apr	Ryanair
13 Apr - 20 Apr	Ryanair
01 Apr - 16 Apr	Ryanair
30 Apr - 09 May	Ryanair
30 Apr - 07 May	Ryanair
24 Apr - 02 May	Ryanair
24 Apr - 03 May	Wizz Air Malta
25 Apr - 09 May	Wizz Air Malta
14 Apr - 01 May	Wizz Air Malta
25 Apr - 02 May	Wizz Air Malta

Also check the deals for one-way flights from Treviso to Seoul in April.

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 Treviso to Seoul in April from 782€

Return flights