Flights from London Heathrow to Cardiff

Tips and tricks to help you find cheap flights from London Heathrow to Cardiff

Favourite airline: KLM
The majority of passengers on the route London Heathrow – Cardiff prefer to fly with KLM.
KLM
43 %
British Airways
36 %
Aer Lingus
21 %
Favourite connection: via Belfast City
On this flight route, flights with a stopover in Belfast City are the most popular.
Route
bookings
1 stopover Belfast City
15h 40min, from £322
57 %
1 stopover Amsterdam Schiphol
23h 05min, from £330
43 %

Flight information: London Heathrow - Cardiff

Outbound and return from £353.29
Distance 200 km
Departure airport London Heathrow (LHR)
Arrival airport Cardiff (CWL)
Destination country United Kingdom
Popular destinations for onward travel