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CWL to LHR: distance & flight time
Cardiff (Cardiff International Airport) → London (London Heathrow Airport)
124 mi
200 km · 108 nm
48m
estimated nonstop flight time
Same time
time difference · heading east
See live CWL→LHR fares Phone-only fares on this route — call free
Flight time details
124 miles nonstop takes roughly 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CWL — Cardiff International Airport · Cardiff, United Kingdom
- LHR — London Heathrow Airport · London, United Kingdom
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CWL
- BRS · Bristol Airport27 mi away
- FZO · Bristol Filton Airport33 mi away
- SWS · Swansea Airport34 mi away
- YEO · RNAS Yeovilton41 mi away
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is CWL from LHR?
The flight distance from Cardiff (CWL) to London (LHR) is 124 miles (200 km, 108 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CWL to LHR?
A nonstop flight takes about 48m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CWL to LHR?
Nonstop service on CWL–LHR depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 48m nonstop estimate.
What is the cheapest way to fly from CWL to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CWL–LHR that never appear on search engines, with no booking fees.
Why are some CWL to LHR fares phone-only?
Consolidator contracts let us sell certain CWL–LHR tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.