AirHint found the following cheapest return flights from Kalamata (KLX) to London (STN) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep	Ryanair	direct
24 Sep - 01 Oct	Ryanair	direct
24 Sep - 08 Oct	Ryanair	direct
24 Sep - 09 Oct	Ryanair
17 Sep - 20 Sep	Ryanair
11 Sep - 18 Sep	Ryanair
14 Sep - 21 Sep	Jet2
14 Sep - 21 Sep	Jet2	direct
11 Sep - 15 Sep	Ryanair
20 Sep - 24 Sep	easyJet
18 Sep - 23 Sep	Ryanair
18 Sep - 20 Sep	Ryanair
07 Sep - 15 Sep	Jet2
30 Sep - 03 Oct	easyJet
30 Sep - 02 Oct	easyJet

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

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 Kalamata to London in September from $82

Return flights