Cheapest return flights from London to Barcelona in August from $166

AirHint found the following cheapest return flights from London (LHR) to Barcelona (BCN) in August 2026 (see full year).

Return flights

11 Aug - 13 Aug British Airways direct
31 Aug - 15 Sep British Airways direct
25 Aug - 12 Sep British Airways direct
10 Aug - 14 Aug British Airways direct
11 Aug - 15 Aug British Airways direct
21 Aug - 25 Aug British Airways direct
21 Aug - 27 Aug British Airways direct
27 Aug - 31 Aug Iberia direct
26 Aug - 30 Aug Iberia direct
28 Aug - 31 Aug Iberia direct
14 Aug - 17 Aug British Airways direct
28 Aug - 01 Sep Iberia direct
28 Aug - 07 Sep Iberia direct
26 Aug - 01 Sep Iberia direct
08 Aug - 15 Aug British Airways direct
04 Aug - 01 Sep British Airways direct

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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