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

Return flights

26 Apr - 20 May	Turkish Airlines
26 Apr - 08 May	Turkish Airlines
17 Apr - 03 May	Hainan Airlines
29 Apr - 11 May	LOT
22 Apr - 08 May	Ryanair
18 Apr - 08 May	Turkish Airlines
27 Apr - 20 May	Turkish Airlines
23 Apr - 20 May	Turkish Airlines
23 Apr - 13 May	Turkish Airlines
29 Apr - 12 May	Turkish Airlines
01 Apr - 11 Apr	Pegasus Airlines
05 Apr - 21 Apr	LOT
07 Apr - 21 Apr	LOT
08 Apr - 21 Apr	LOT
01 Apr - 21 Apr	Pegasus Airlines
07 Apr - 16 Apr	Etihad Airways
05 Apr - 14 Apr	Wizz Air Malta
20 Apr - 28 Apr	LOT
05 Apr - 19 Apr	Wizz Air Malta
16 Apr - 26 Apr	LOT

Also check the deals for one-way flights from Prague 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 Prague to Seoul in April from $641

Return flights