AirHint found the following cheapest return flights from London (LHR) to Kabul (KBL) in August 2025 (see full year).

Return flights

19 Aug - 19 Sep	Aegean Airlines
25 Aug - 22 Sep	Aegean Airlines
25 Aug - 25 Sep	Aegean Airlines
18 Aug - 17 Sep	Aegean Airlines
25 Aug - 30 Sep	KLM
18 Aug - 30 Sep	Aegean Airlines
20 Aug - 19 Sep	British Airways
26 Aug - 23 Sep	Turkish Airlines
17 Aug - 23 Sep	Turkish Airlines
29 Aug - 28 Sep	Turkish Airlines
13 Aug - 19 Aug	LOT
22 Aug - 27 Aug	LOT
14 Aug - 19 Aug	LOT
13 Aug - 18 Aug	LOT
05 Aug - 12 Aug	LOT
13 Aug - 27 Aug	LOT
08 Aug - 15 Aug	LOT
10 Aug - 27 Aug	LOT
08 Aug - 27 Aug	LOT
07 Aug - 27 Aug	LOT

Also check the deals for one-way flights from London to Kabul 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 Kabul in August from 693€

Return flights