Cheapest return flights from London to Athens in September from $123

Best time to book flights for London (STN) to Athens (ATH) flights at AirHint

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

Return flights

25 Sep - 15 Oct Ryanair direct
30 Sep - 15 Oct Ryanair
29 Sep - 15 Oct Ryanair
16 Sep - 25 Sep Ryanair
23 Sep - 25 Sep Ryanair
25 Sep - 10 Oct Ryanair direct
26 Sep - 15 Oct Ryanair direct
28 Sep - 15 Oct Ryanair direct
25 Sep - 13 Oct Ryanair direct
16 Sep - 22 Sep Ryanair
25 Sep - 09 Oct Ryanair direct
25 Sep - 08 Oct Ryanair
20 Sep - 25 Sep Ryanair
18 Sep - 25 Sep Ryanair
13 Sep - 22 Sep Ryanair
24 Sep - 10 Oct Ryanair direct
21 Sep - 25 Sep Ryanair
16 Sep - 19 Sep Ryanair
22 Sep - 25 Sep Ryanair
17 Sep - 30 Sep Ryanair

Also check the deals for one-way flights from London to Athens 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.

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