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2025 Updated Guide

Cheap Flights to London: The Ultimate Inbound Guide (2025)

London has six major airports. Choosing the wrong one can cost you £50+ in train fares just to get to the city. This guide helps you land cheaper and smarter.

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Quick Cost & Flight Summary

Cheapest AirportStansted (STN) / Luton (LTN)
Best for ConnectionsHeathrow (LHR)
Cheapest MonthNovember, February
Most ExpensiveJuly, August, December
Avg Transfer Cost£15 (Bus) - £30 (Train)

# Which Airport Should You Choose?

London's airports are spread far apart. Always double-check where your hotel is before booking.

AirportBest ForTransfer to Central LondonMain Airlines
Heathrow (LHR)Long-haul / ComfortElizabeth Line / Express (15-40 mins)BA, Virgin, Emirates, United
Gatwick (LGW)Holiday RoutesThameslink / Express (30 mins)EasyJet, Norse, BA, TUI
Stansted (STN)Budget FlightsStansted Express (45 mins)Ryanair, Jet2, Pegasus
Luton (LTN)Budget FlightsTrain (40 mins)Wizz Air, EasyJet
London City (LCY)BusinessDLR (20 mins)BA CityFlyer, Swiss

# Cheapest Time to Visit

  • Winter (Jan-Feb): Rock bottom flight prices, but cold and grey. Great for museums.
  • Spring (Mar-May): Sweet spot. Moderate prices before the summer rush.
  • Avoid: School holidays in late July/August. Prices double for everything.

Frequently Asked Questions

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