Cheapest return flights from Basel to Kos in May from $172

AirHint found the following cheapest return flights from Basel (BSL) to Kos (KGS) in May 2026 (see full year).

Return flights

27 May - 31 May easyJet direct
27 May - 03 Jun easyJet
26 May - 31 May easyJet
24 May - 31 May Wizz Air
27 May - 03 Jun easyJet direct
18 May - 24 May easyJet
31 May - 03 Jun easyJet direct
16 May - 24 May easyJet
15 May - 24 May easyJet
17 May - 24 May easyJet
27 May - 07 Jun easyJet direct
23 May - 30 May Wizz Air
31 May - 07 Jun easyJet direct
14 May - 24 May easyJet
24 May - 27 May easyJet direct
24 May - 03 Jun easyJet direct
24 May - 07 Jun easyJet direct

Also check the deals for one-way flights from Basel to Kos in May.

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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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