Cheapest return flights from Glasgow to Kos in September from $240

Best time to book flights for Glasgow (GLA) to Kos (KGS) flights at AirHint

AirHint found the following cheapest return flights from Glasgow (GLA) to Kos (KGS) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep easyJet direct
09 Sep - 16 Sep easyJet
23 Sep - 30 Sep easyJet
30 Sep - 07 Oct easyJet
06 Sep - 13 Sep Ryanair
09 Sep - 16 Sep easyJet direct
06 Sep - 13 Sep easyJet direct
14 Sep - 18 Sep easyJet
16 Sep - 20 Sep easyJet
13 Sep - 20 Sep easyJet
01 Sep - 07 Sep Ryanair
30 Sep - 07 Oct easyJet direct

Also check the deals for one-way flights from Glasgow to Kos in September.

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.

Book a cheap hotel in Kos

Cheap car rent in Kos