Cheapest one-way flights from London to Barcelona in May from $121

AirHint found the following cheapest one-way flights from London (LCY) to Barcelona (BCN) in May 2026 (see full year).

One-Way flights

10 May British Airways direct
17 May British Airways direct
05 May British Airways direct
12 May British Airways direct
11 May KLM
08 May British Airways direct
20 May KLM
09 May KLM
15 May British Airways direct
07 May ITA Airways

Also check the deals for return 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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