AirHint found the following cheapest return flights from Basel (BSL) to Athens (ATH) in April 2026 (see full year).

Return flights

08 Apr - 13 Apr	Lufthansa
03 Apr - 06 Apr	Lufthansa
01 Apr - 06 Apr	Lufthansa
09 Apr - 13 Apr	Lufthansa
06 Apr - 13 Apr	Lufthansa
03 Apr - 07 Apr	Lufthansa
06 Apr - 10 Apr	Lufthansa
03 Apr - 10 Apr	Lufthansa
02 Apr - 06 Apr	Lufthansa
01 Apr - 05 Apr	Lufthansa
21 Apr - 02 May	easyJet
30 Apr - 16 May	easyJet
29 Apr - 03 May	easyJet
30 Apr - 03 May	easyJet

Also check the deals for one-way flights from Basel to Athens 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 Basel to Athens in April from $181

Return flights