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

Return flights

26 Aug - 11 Sep	Ryanair	direct
28 Aug - 12 Sep	Jet2
26 Aug - 17 Sep	Ryanair
25 Aug - 11 Sep	Ryanair	direct
28 Aug - 11 Sep	Ryanair	direct
27 Aug - 11 Sep	Ryanair	direct
24 Aug - 11 Sep	Jet2
31 Aug - 12 Sep	Jet2
31 Aug - 11 Sep	Jet2
28 Aug - 08 Sep	Jet2
03 Aug - 07 Aug	Jet2	direct
13 Aug - 14 Aug	Pegasus Airlines
14 Aug - 14 Aug	Pegasus Airlines
20 Aug - 26 Aug	Pegasus Airlines
15 Aug - 29 Aug	Pegasus Airlines
14 Aug - 15 Aug	Ryanair	direct
19 Aug - 20 Aug	Pegasus Airlines
21 Aug - 26 Aug	Jet2
03 Aug - 05 Aug	Jet2	direct
13 Aug - 14 Aug	Ryanair	direct

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

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 London to Athens in August from 110€

Return flights