Heathrow: three real options, one clear winner on value
The Piccadilly line runs directly into central London and, paid with contactless or Oyster pay as you go, costs around £5.60 off-peak and £6.70 peak from Heathrow into Zone 1, taking about 50-60 minutes to central stations. The Elizabeth line is faster, roughly 30-35 minutes to Paddington, for a broadly similar pay as you go fare of about £13 peak and £11 off-peak from Heathrow — still far cheaper than it looks because it uses the same zonal fare system, not a separate premium ticket. The Heathrow Express reaches Paddington in 15 minutes but a walk-up single is around £25-£30; booked well ahead online it can drop below £15. For most travellers with luggage but no urgent connection, the Elizabeth line is the sweet spot most people overlook.
Gatwick: rail beats the branded express on price
Gatwick Express runs non-stop to Victoria in about 30 minutes, but a walk-up single now runs to roughly £20-£22; advance online fares can be noticeably cheaper. The overlooked alternative is Thameslink or Southern trains from Gatwick, which stop a few extra times but reach London Bridge, Blackfriars or Victoria in 35-45 minutes for about £12-£19 depending on time of day and how far ahead you book — often £8-10 less than the Express for a few extra minutes. National Express coaches to Victoria Coach Station take 70-90 minutes depending on traffic and start from around £10-£15 booked ahead, a reasonable choice with light luggage and no time pressure.
Stansted and Luton: budget airports, budget options that work
The Stansted Express runs to Liverpool Street in about 45-50 minutes; walk-up fares sit around £20-£25 but advance tickets bought a week or more ahead regularly fall to £10-£15, roughly half price — book before you fly, not at the airport machine. Coaches (National Express, easyBus) to central London take 70-100 minutes depending on traffic and start around £10-£12 booked early. Luton has no direct rail line to the airport itself: a free-ish DART shuttle transfer (a small fee applies) links the terminal to Luton Airport Parkway station, from where Thameslink trains reach central London in 30-40 minutes for about £15-20.
Keep it handy while in London
- Add it to your home screen: works offline too
- Save your favourite spots
- Turn on Congestion Charge & ULEZ alerts (free)
Taxi and rideshare: know the real price before you book
A licensed black cab or Uber/Bolt from Heathrow to central London typically runs £55-£75 depending on traffic and time of day; from Gatwick expect £90-£120, from Stansted £90-£130, and from Luton £85-£110 — these are broad ranges because London traffic, especially at night or during the evening peak, can double journey time and fare. Night arrivals are actually one case where taxis make sense: rail services thin out or stop after midnight, so a pre-booked minicab (cheaper and more predictable than a hailed black cab) is often the only realistic option after the last train.
So which should you actually book?
For Heathrow, take the Elizabeth line unless you are in a genuine hurry, in which case pay for the Express. For Gatwick, book an advance Thameslink or Southern ticket rather than defaulting to the Gatwick Express. For Stansted, buy the Stansted Express or a coach ticket online at least a few days ahead rather than at the airport, where prices are highest. Whichever you choose, factor in luggage and step-free access if needed, since not every Tube or rail station has lifts.