Cheapest return flights from London to Barcelona in December from $37

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

Return flights

05 Dec - 11 Dec Ryanair direct
05 Dec - 15 Dec Ryanair direct
05 Dec - 12 Dec Ryanair direct
05 Dec - 09 Dec Ryanair direct
05 Dec - 13 Dec Ryanair direct
03 Dec - 11 Dec Ryanair direct
03 Dec - 15 Dec Ryanair direct
03 Dec - 12 Dec Ryanair direct
03 Dec - 09 Dec Ryanair direct
03 Dec - 13 Dec Ryanair direct
11 Dec - 08 Jan easyJet direct
11 Dec - 11 Jan easyJet direct
11 Dec - 15 Jan easyJet direct
04 Dec - 08 Jan easyJet direct
04 Dec - 11 Jan easyJet direct
04 Dec - 15 Jan easyJet direct
14 Dec - 08 Jan easyJet direct
14 Dec - 11 Jan easyJet direct
14 Dec - 15 Jan easyJet direct
16 Dec - 08 Jan easyJet direct

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

Powered by

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.