Cheapest return flights from London to Barcelona in August from $192

Best time to book flights for London (LCY) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Barcelona (BCN) in August 2025 (see full year).

Return flights

31 Aug - 04 Sep British Airways direct
18 Aug - 21 Aug British Airways direct
05 Aug - 08 Aug British Airways direct
27 Aug - 03 Sep KLM
12 Aug - 14 Aug British Airways direct
18 Aug - 22 Aug British Airways direct
11 Aug - 21 Aug British Airways direct
19 Aug - 21 Aug British Airways direct
19 Aug - 22 Aug British Airways direct
31 Aug - 07 Sep British Airways direct
30 Aug - 03 Sep KLM
13 Aug - 20 Aug SWISS
20 Aug - 27 Aug SWISS
13 Aug - 19 Aug SWISS
26 Aug - 02 Sep SWISS
30 Aug - 09 Sep KLM
27 Aug - 01 Sep Lufthansa
21 Aug - 09 Sep KLM
26 Aug - 02 Sep British Airways direct
29 Aug - 02 Sep Lufthansa

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

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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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