How to get from London Heathrow to King's Cross

High confidenceChecked May 2026

Piccadilly line direct to King's Cross St Pancras — £5.60 off-peak, ~55 min. No transfers.

Best options

Best overall
Piccadilly line from any terminal — £5.60 contactless, runs every 5–10 min, direct to King's Cross.
Cheapest safe
Piccadilly tube — contactless or Oyster, £5.60 off-peak / £6.30 peak.
Best at night
Night Tube on the Piccadilly line runs Fri/Sat. Otherwise a black cab from the rank — £75–£90.
With luggage / kids
Elizabeth line to Paddington (£12.80), then Tube one stop on Circle/Hammersmith to King's Cross. Lifts at both ends.
Taxi fare
£75–£100 metered black cab
Ride-hailing
Uber and Bolt work — pickup at the designated rideshare zone outside each terminal (not the taxi rank).
available
Public transport
Piccadilly line direct to King's Cross St Pancras (~55 min, £5.60). Elizabeth line to Paddington + 1 Tube stop is faster (~45 min) but costs £12.80.

After landing — step by step

  1. 1Follow Underground signs from your terminal — purple Elizabeth or dark blue Piccadilly
  2. 2Tap contactless at the gate — never buy a paper ticket
  3. 3Piccadilly line direct to King's Cross St Pancras
  4. 4For Elizabeth line: change at Paddington for Circle/Hammersmith one stop
  5. 5For black cab: official rank only, insist on meter

Scam warnings

Unlicensed mini-cab drivers approaching arrivals — illegal at LHR

'Heathrow Express' touts upselling £25 tickets when the Tube works fine

Taxi drivers quoting flat £120+ instead of the meter

Avoid this

  • Anyone offering a 'taxi' inside the terminal
  • Heathrow Express upsells when the Piccadilly line goes to the same area
  • Paper Tube tickets — contactless is cheaper
SOURCES
Full LHR airport guide