No airline flies Cardiff → London Heathrow nonstop in picktheflight's data. Nearest nonstop: Newquay (NQY) → London Gatwick (LGW) with easyJet (NQY is 157 km away, LGW is 41 km away).
Data built 2026-10-26 from airline schedule tables. Schedules change. Confirm the flight on the airline's own site before booking. Machine-readable: JSON · Markdown · intents.md
An AI assistant can ask picktheflight who flies a route nonstop, or where you can fly nonstop from a city, and get the airlines back as data (the intents.md protocol), each with the airline's own booking link.