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

Return flights

22 Apr - 07 May	Jetstar
23 Apr - 07 May	Jetstar
15 Apr - 14 May	Jetstar
28 Apr - 07 May	Jetstar
28 Apr - 26 May	Jetstar
21 Apr - 20 May	Jetstar
24 Apr - 09 May	Jetstar
23 Apr - 08 May	Jetstar
16 Apr - 30 Apr	Jetstar
25 Apr - 10 May	Jetstar
16 Apr - 25 Apr	Jetstar
17 Apr - 16 May	Jetstar
12 Apr - 23 Apr	Jetstar
19 Apr - 23 Apr	Jetstar
09 Apr - 23 Apr	Jetstar
17 Apr - 28 Apr	Jetstar
16 Apr - 21 Apr	Jetstar
18 Apr - 23 Apr	Jetstar
14 Apr - 28 Apr	Jetstar
17 Apr - 23 Apr	Jetstar

Also check the deals for one-way flights from Avalon 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 Avalon to Seoul in April from $551

Return flights