Cheapest return flights from Kos to London in September from $230

AirHint found the following cheapest return flights from Kos (KGS) to London (STN) in September 2026 (see full year).

Return flights

23 Sep - 29 Sep Ryanair direct
27 Sep - 29 Sep Ryanair direct
23 Sep - 07 Oct Ryanair direct
27 Sep - 07 Oct Ryanair direct
06 Sep - 13 Sep Ryanair direct
01 Sep - 06 Sep Ryanair direct
02 Sep - 06 Sep Ryanair direct
01 Sep - 13 Sep Ryanair direct
05 Sep - 07 Sep Sundair
02 Sep - 13 Sep Ryanair direct
05 Sep - 07 Sep Jet2 direct

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

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