Cheapest return flights from Basel to Kos in July from $203

Best time to book flights for Basel (BSL) to Kos (KGS) flights at AirHint

AirHint found the following cheapest return flights from Basel (BSL) to Kos (KGS) in July 2025 (see full year).

Return flights

02 Jul - 23 Jul easyJet direct
09 Jul - 16 Jul easyJet direct
06 Jul - 13 Jul easyJet direct
03 Jul - 23 Jul Lufthansa
03 Jul - 16 Jul Lufthansa
06 Jul - 23 Jul easyJet direct
30 Jul - 06 Aug easyJet direct
01 Jul - 23 Jul easyJet
13 Jul - 13 Jul easyJet
20 Jul - 30 Jul easyJet
04 Jul - 23 Jul easyJet
31 Jul - 07 Aug easyJet

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

Skyscanner

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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