AirHint found the following cheapest return flights from Basel (BSL) to Seoul (ICN) in March 2026 (see full year).

Return flights

01 Mar - 10 Mar	easyJet
03 Mar - 11 Mar	easyJet
23 Mar - 04 Apr	easyJet
14 Mar - 25 Mar	Turkish Airlines
22 Mar - 05 Apr	easyJet
26 Mar - 03 Apr	easyJet
30 Mar - 06 Apr	Air France
07 Mar - 22 Mar	Lufthansa
26 Mar - 11 Apr	easyJet
27 Mar - 10 Apr	Wizz Air
27 Mar - 11 Apr	Wizz Air

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Basel to Seoul in March from 505€

Return flights