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

Return flights

02 Apr - 16 Apr	Lufthansa
22 Apr - 24 Apr	Air China
19 Apr - 24 Apr	Air China
09 Apr - 17 Apr	Air China
18 Apr - 24 Apr	Air China
20 Apr - 26 Apr	Air China
12 Apr - 17 Apr	Air China
13 Apr - 17 Apr	Air China
03 Apr - 17 Apr	Air China
15 Apr - 24 Apr	Air China
20 Apr - 03 May	Air China
19 Apr - 03 May	Air China
20 Apr - 11 May	Air China
22 Apr - 01 May	Air China
25 Apr - 04 May	Air China
24 Apr - 22 May	Air China
25 Apr - 05 May	Air China
27 Apr - 05 May	Air China
30 Apr - 17 May	Lufthansa
18 Apr - 02 May	Air China

Also check the deals for one-way flights from Seoul to Vienna 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 Seoul to Vienna in April from 484€

Return flights