Cheapest return flights from London to Barcelona in May from $137

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

Return flights

05 May - 12 May British Airways direct
05 May - 08 May British Airways direct
05 May - 09 May British Airways direct
05 May - 10 May British Airways direct
06 May - 09 May British Airways direct
09 May - 12 May British Airways direct
12 May - 12 May British Airways direct
06 May - 16 May British Airways direct
07 May - 11 May British Airways direct
08 May - 11 May British Airways direct
18 May - 10 Jun British Airways direct
27 May - 03 Jun British Airways direct
18 May - 30 Jun British Airways direct
30 May - 08 Jun British Airways direct
28 May - 16 Jun Brussels Airlines
31 May - 07 Jun British Airways direct
23 May - 06 Jun SWISS
30 May - 01 Jun Eurowings
25 May - 02 Jun TAP
28 May - 01 Jun Scandinavian Airlines

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

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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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