Cheapest return flights from London to Barcelona in March from $92

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

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

Return flights

11 Mar - 21 Mar British Airways direct
11 Mar - 18 Mar British Airways direct
09 Mar - 09 Mar British Airways direct
09 Mar - 10 Mar Vueling Airlines direct
04 Mar - 09 Mar Vueling Airlines direct
04 Mar - 10 Mar Vueling Airlines direct
01 Mar - 18 Mar Vueling Airlines direct
01 Mar - 04 Mar Vueling Airlines direct
01 Mar - 10 Mar Vueling Airlines direct
01 Mar - 03 Mar Vueling Airlines direct
28 Mar - 01 Apr Vueling Airlines
27 Mar - 02 Apr Vueling Airlines
31 Mar - 07 Apr KLM
26 Mar - 08 Apr Vueling Airlines
28 Mar - 10 Apr Vueling Airlines
30 Mar - 06 Apr Brussels Airlines
24 Mar - 12 Apr Brussels Airlines
29 Mar - 04 Apr Lufthansa
28 Mar - 01 Apr British Airways direct
26 Mar - 08 Apr British Airways direct

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

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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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