AirHint found the following cheapest return flights from London (LHR) to Athens (ATH) in July 2026 (see full year).

Return flights

08 Jul - 22 Jul	Air Serbia
08 Jul - 29 Jul	Air Serbia
26 Jul - 29 Jul	Air Serbia
05 Jul - 07 Jul	Air Serbia
05 Jul - 13 Jul	Air Serbia
05 Jul - 06 Aug	Air Serbia
08 Jul - 16 Jul	Air Serbia
05 Jul - 18 Jul	Air Serbia
05 Jul - 14 Jul	Air Serbia
08 Jul - 18 Jul	Air Serbia
08 Jul - 13 Jul	Air Serbia
26 Jul - 16 Aug	Air Serbia
26 Jul - 03 Aug	Air Serbia
25 Jul - 05 Aug	Air Serbia
25 Jul - 09 Aug	Air Serbia
26 Jul - 01 Aug	Air Serbia
25 Jul - 06 Aug	Air Serbia
25 Jul - 21 Aug	Air Serbia
18 Jul - 07 Aug	Air Serbia
25 Jul - 01 Aug	Air Serbia

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

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 July from 149€

Return flights