How long is the flight from Cardiff to London?

The route from Cardiff to London is served by connecting flights with one stop. These typically take around 14 hours, depending on the layover duration and the connection chosen. If travel time is important to you, pay particular attention to connections with a short stopover.

Are there direct flights from Cardiff to London?

No, there are currently no direct flights from Cardiff to London. However, you can reach London with a connecting flight via one stop. Allow extra travel time for the connection and pay particular attention to the length of the layover.

Which airlines fly from Cardiff to London?

Flights from Cardiff to London are available with one stop, operated by, among others, KLM (via Amsterdam). When comparing options, look beyond the price and consider the total travel time and the length of the layover.

Book cheap flights from Cardiff to London

Our cheapest offers for flights from Cardiff to London

Here you can compare cheap flights from Cardiff (CWL) to London (LON) 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 London. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Cardiff London	Outbound 28/08/26 1 Stopover (DUB) FR0635, FR0292 24h 35min	Return 17/09/26 1 Stopover (DUB) FR0271, FR0634 15h 55min	Ryanair	?	£87
Cardiff London Please note: transfer for connecting flight	Outbound 28/08/26 1 Stopover (DUB) FR0635, FR0292 24h 35min	Return 17/09/26 1 Stopover (DUB) FR0205, FR0634 04h 25min	Ryanair		£104
Cardiff London	Outbound 15/10/26 1 Stopover (BHD) EI3621, BA8757 06h 15min	Return 11/11/26 1 Stopover (BHD) BA8756, EI3620 20h 30min	Aer Lingus Irish Airlines, British Airways		£380
Best option Cardiff London	Outbound 06/10/26 1 Stopover (BHD) BA8979, BA8757 04h 05min	Return 23/10/26 1 Stopover (AMS) KL0980, KL1091 08h 20min	British Airways	?	£631
Cardiff London	Outbound 15/10/26 1 Stopover (DUB) FR0635, FR0202 13h 55min	Return 11/11/26 1 Stopover (DUB) FR0210, FR0634 22h 30min	Ryanair	?	£128
Cardiff London Please note: transfer for connecting flight	Outbound 15/10/26 1 Stopover (DUB) FR0635, FR0030 09h 00min	Return 11/11/26 1 Stopover (DUB) FR0256, FR0634 16h 20min	Ryanair		£153
Cardiff London Please note: transfer for connecting flight	Outbound 06/10/26 1 Stopover (BHD, BFS) EI3621, RK0130 09h 35min	Return 23/10/26 1 Stopover (DUB) FR0205, FR0634 04h 20min	Aer Lingus Irish Airlines, Ryanair UK		£227
Cardiff London	Outbound 15/10/26 1 Stopover (AMS) KL1088, KL0989 06h 55min	Return 11/11/26 1 Stopover (AMS) KL0978, KL1093 09h 15min	KLM		£308
Cardiff London	Outbound 15/10/26 1 Stopover (AMS) KL1092, KL0979 14h 40min	Return 11/11/26 1 Stopover (AMS) KL0984, KL1093 07h 00min	KLM	?	£343
Cardiff London Please note: transfer for connecting flight	Outbound 09/12/26 1 Stopover (BHD, BFS) EI3621, RK0130 10h 20min	Return 05/01/27 1 Stopover (TFS) FR0578, BY6287 10h 35min	Aer Lingus Irish Airlines, Ryanair UK		£526

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

Useful information about the flight from Cardiff to London

London - historic and vibrant

London's lively, multicultural vibe entices visitors from around the world to explore and party.

London is great all year round

London is warmest in July and August, but in spring, parks (including of course Hyde Park with its famous Serpentine lake) are a riot of floral colour. In winter, bars and pubs are snug and welcoming. Plenty of holidays and festivals are celebrated in London all year round. Every August Bank Holiday, for example, Notting Hill Carnival comes to North West London. February sees wonderful Chinese New Year celebrations, and in April the London Marathon and the Oxford and Cambridge boat race on the Thames both take place.

What to know before you travel

London is a relatively safe city. However, watch out for pickpockets on busy trains. There is a 'congestion' charge (around £11) for motor vehicles in central London 7am-6pm from Monday to Friday. Visitors should be aware that London tends to be more expensive than other cities in the UK.

Local info: travel and connections

From Heathrow Airport take the Piccadilly tube line from terminals 1, 2 and 3 (the journey to central London takes about half an hour and costs around £6). Or, take the Heathrow Express from Terminal 1, 2 and 3 to Paddington station in 15 mins for around £26. A taxi to the centre is just over £30, with a journey time of around 40 mins. From Gatwick, take the Gatwick express from South Terminal to Victoria Station in around half an hour (cost: around £18). A taxi (from £20) takes about an hour. From Stansted, take the Stansted Express trains to Liverpool Street station in around 45 minutes (from £12). A taxi can cost approximately £100 and takes an hour. From Luton airport there is a shuttle to Luton Airport Parkway then the train to St. Pancras (around £15 in, 40 minutes). Cheap hostels start at around £20/night, hotels are upwards of £40/night. Single public transport tickets cost around £5.70. A day Travelcard works for all transport modes and costs £12-£15. Get an 'Oyster' card for a slight discount on the normal ticket price (refundable deposit of £5).

Important flight information

Frequently Asked Questions (FAQ)

Flight information: Cardiff - London

Outbound and return from	86,13 £
Distance	221 km
Departure airport	Airport Cardiff (CWL)
Arrival airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Destination country	Flights to United Kingdom
Departure airport - Destination country	Cardiff - United Kingdom

Alternative routes to United Kingdom

Flight Cardiff - London City from 308 £
Flight Cardiff - Newcastle from 137 £
Flight Cardiff - Belfast City from 102 £
Flight Cardiff - Glasgow from 102 £
Flight Cardiff - London Stansted from 87 £

Alternative flights to London

Popular destinations for onward travel

Flight destinations with a similar price

Flight Cardiff - London Stansted from 87 £
Flight Cardiff - Dublin from 84 £