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Our cheapest offers for flights from London Heathrow to Cardiff

Here you can compare cheap flights from London Heathrow (LHR) to Cardiff (CWL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Cardiff. Prices and availability may change at any time.

Best option London Heathrow Cardiff	12/07/24 1 Stopover (BHD) BA1414, EI3620 03h 50min	02/08/24 1 Stopover (BHD) EI3621, BA1417 05h 40min	British Airways, Aer Lingus Irish Airlines		£354 Found several days ago	Check
London Heathrow Cardiff	12/07/24 1 Stopover (BHD) BA1414, EI3620 03h 50min	02/08/24 1 Stopover (BHD) EI3621, BA1419 07h 45min	British Airways, Aer Lingus Irish Airlines		£364 Found several days ago	Check
London Heathrow Cardiff	12/07/24 1 Stopover (AMS) KL1016, KL1091 19h 50min	02/08/24 1 Stopover (AMS) KL1086, KL1017 14h 50min	KLM		£372 Found several days ago	Check
London Heathrow Cardiff	12/07/24 1 Stopover (AMS) KL1016, KL1091 19h 50min	02/08/24 1 Stopover (AMS) KL1086, KL1017 14h 50min	KLM		£374 Found several days ago	Check
London Heathrow Cardiff	12/07/24 1 Stopover (BHD) BA1414, EI3620 03h 50min	02/08/24 1 Stopover (BHD) EI3621, BA1419 07h 45min	British Airways, Aer Lingus Irish Airlines	?	£439 Found several days ago	Check