AirHint found the following cheapest return flights from Basel (BSL) to Seoul (ICN) in November 2025 (see full year).

Return flights

10 Nov - 19 Nov	easyJet
20 Nov - 27 Nov	KLM
17 Nov - 25 Nov	KLM
04 Nov - 11 Nov	easyJet
28 Nov - 06 Dec	KLM
14 Nov - 22 Nov	easyJet
01 Nov - 08 Nov	easyJet
01 Nov - 18 Nov	easyJet
30 Nov - 11 Dec	Lufthansa
27 Nov - 10 Dec	Lufthansa

Also check the deals for one-way flights from Basel to Seoul in November.

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 Basel to Seoul in November from $565

Return flights