How to get from London to Cardiff
- 220 km as the crow flies
- 101 bus departures a day with FlixBus
Compare the train, bus and flight options. Then check them for your own date.
Start with the whole journey.
We compared the ways to travel from London to Cardiff. The most useful door-to-door route takes 3h 10m by bus with no transfer. The two cities are about 220 km apart in a straight line. The price and operators below come from a real route search.
We do not know when this fare was last checked. Run a live search for today's price.
220 km
London to Cardiff: cheapest or fastest?
Pick a tab: the legs, the timing and the difference from the others all change with it.
- 1London Heathrow → Cardiff Castlebus
FlixBus·3h 10m
The best balance of price and time we found on this route.
Which date should you go?
The amounts on each day are fares seen earlier, not live offers. A day with no figure is one we have not priced, not one without a service.
Departures from London to Cardiff
FlixBus runs 101 scheduled departures a day, the first at 00:15 and the last at 23:55.
| Operator | Departures a day | First | Last |
|---|---|---|---|
| FlixBusbus | 101 | 00:15 | 23:55 |
All departures
- 00:15
- 00:20
- 00:30
- 00:40
- 01:15
- 01:20
- 01:40
- 05:45
- 06:05
- 06:30
- 06:45
- 07:05
- 07:10
- 07:30
- 07:45
- 08:05
- 08:10
- 08:30
- 08:40
- 09:00
- 09:10
- 09:30
- 09:40
- 10:00
- 10:30
- 10:40
- 11:00
- 11:15
- 11:30
- 11:35
- 12:15
- 12:30
- 12:35
- 13:15
- 13:25
- 13:30
- 13:35
- 13:45
- 14:00
- 14:25
- 14:45
- 15:00
- 15:25
- 15:30
- 15:45
- 15:50
- 16:00
- 16:25
- 16:30
- 16:45
- 16:50
- 17:00
- 17:25
- 17:30
- 17:45
- 17:50
- 18:00
- 18:25
- 18:30
- 18:45
- 18:50
- 19:00
- 19:25
- 19:30
- 19:40
- 19:45
- 19:50
- 20:00
- 20:30
- 20:40
- 20:50
- 21:00
- 21:30
- 21:35
- 21:40
- 21:55
- 22:00
- 22:30
- 22:35
- 22:40
- 22:55
- 23:00
- 23:15
- 23:20
- 23:30
- 23:35
- 23:40
- 23:55
Departure times come from operator timetables and are local time at the origin. Where a row shows no times, the frequency is the operator's own and the timetable is not published to us. Times can change on holidays and at short notice; confirm with the operator before you travel.
Departure and arrival
Ticket prices on this route
What each way of travelling costs, as the operator publishes it. These describe the route rather than a date you pick, and they refresh once a day. Booking opens at our partner Omio.
Omio last refreshed these on Sun, Oct 11
Operators seen on these journeys
On this route you travel with FlixBus; Routavio does not add a booking fee.
How the trip from London to Cardiff works
Start with a FlixBus bus from London Heathrow to Cardiff Castle, about 3h 10m. In total it's roughly €14 over 3h 10m, direct, no transfers.
London to Cardiff: common questions
How long does it take to get from London to Cardiff?
The most useful route takes about 3h 10m by bus, with no transfer.
When is the first bus from London to Cardiff?
The first bus with FlixBus leaves at 00:15 and the last at 23:55, from London Heathrow, according to the published timetable.
How many bus departures a day are there from London to Cardiff?
101 a day with FlixBus, between 00:15 and 23:55.
Which station does the bus from London to Cardiff leave from?
London Heathrow with FlixBus, according to the published timetable.
How far is Cardiff from London?
About 220 km in a straight line. The real route on the ground or in the air is longer.
How much does London to Cardiff cost?
Our latest search put the route we recommend at €14. Other options on this page can cost less, and the exact fare depends on your travel date.
Which operators run London to Cardiff?
On this route you travel with FlixBus.
What is the cheapest way to get from London to Cardiff?
Usually a flexible date, or leaving from a nearby airport. A live search puts every option for your dates side by side.
Can I book directly?
Yes. Routavio sends you straight to the operator or an independent third-party provider. We never add a booking fee. The final fare and availability are confirmed by that provider.
Where to next
Other ways people search London to Cardiff
- how to get from London to Cardiff
- London to Cardiff travel time
- London to Cardiff distance
- cheapest way from London to Cardiff
Sources and method
Routes are calculated by Routavio's multimodal engine from operator timetables and flight data. Durations come from timetables, and prices are the most recent observation, not a guarantee.
Operators: FlixBus
Route calculated: 7 Oct 2026