Cheapest
40€
Flight duration
2h 20m
Distance
1,138 km
Cheapest months
Sep · 40€
When is it cheapest to fly from Barcelona to London?
The cheapest month to fly Barcelona–London is Sep, from 40€ (checked Jul 2026).
52Jan
46Feb
Mar
Apr
May
Jun
42Jul
43Aug
40Sep
Oct
52Nov
51Dec
Cheapest: Sep from 40€
Prices from Viaro's live flight data, checked Jul 2026. Actual fares vary with demand and availability.
Based on 7 of 12 months with available fares.
Airlines & airports
Barcelona
BCNBarcelona-El Prat
London
LHRLondon Heathrow
LGWLondon Gatwick
STNLondon Stansted
Tips for cheap flights
- Book 4-6 weeks in advance for the best prices
- Fly on Tuesdays and Wednesdays for cheaper fares
- Best months: May, Jun, Sep
- Compare airports: BCN, LHR, LGW, STN
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