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Cheap flights from London to Cardiff from £48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Cardiff departing on 13/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
16:20 - 22:50
STN
-
CWL
6h 30m
1 stop
Ryanair Logo
23:15 - 07:50
CWL
-
STN
8h 35m
1 stop
£76Ryanair
Tue, 18 Aug - Wed, 26 Aug
Ryanair Logo
17:30 - 22:50
STN
-
CWL
5h 20m
1 stop
Ryanair Logo
23:15 - 07:50
CWL
-
STN
8h 35m
1 stop
£77Ryanair
Tue, 18 Aug - Wed, 26 Aug
Ryanair Logo
22:00 - 06:55
LGW
-
CWL
8h 55m
1 stop
Ryanair Logo
22:45 - 08:25
CWL
-
LGW
9h 40m
1 stop
£77Ryanair
Fri, 4 Sep - Fri, 11 Sep
Ryanair Logo
16:20 - 22:50
STN
-
CWL
6h 30m
1 stop
Ryanair Logo
23:15 - 07:50
CWL
-
STN
8h 35m
1 stop
£78Ryanair
Tue, 18 Aug - Wed, 26 Aug
Ryanair Logo
13:10 - 22:50
LTN
-
CWL
9h 40m
1 stop
Ryanair Logo
23:15 - 09:00
CWL
-
LTN
9h 45m
1 stop
£78Ryanair
Tue, 18 Aug - Wed, 26 Aug
Ryanair Logo
08:50 - 22:50
LGW
-
CWL
14h 00m
1 stop
Ryanair Logo
23:15 - 08:20
CWL
-
LGW
9h 05m
1 stop
£78Ryanair
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
15:50 - 22:50
LHR
-
CWL
7h 00m
1 stop
Multiple Airlines Logo
23:15 - 10:20
CWL
-
LHR
11h 05m
1 stop
£153Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
KLM Logo
20:15 - 09:15
LCY
-
CWL
13h 00m
1 stop
KLM Logo
09:45 - 19:45
CWL
-
LCY
10h 00m
1 stop
£276KLM
Tue, 18 Aug - Wed, 26 Aug
KLM Logo
20:15 - 09:15
LCY
-
CWL
13h 00m
1 stop
KLM Logo
09:45 - 16:40
CWL
-
LCY
6h 55m
1 stop
£277KLM
Thu, 27 Aug - Thu, 3 Sep
KLM Logo
20:15 - 09:15
LCY
-
CWL
13h 00m
1 stop
KLM Logo
17:15 - 07:15
CWL
-
LCY
14h 00m
1 stop
£288KLM
Wed, 19 Aug - Wed, 26 Aug

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Ryanair flights from London to Cardiff

Our best Ryanair deals on London to Cardiff flight tickets
Ryanair
18 Aug
STN16:20London Stansted
6h 30m
1 stop
CWL22:50Cardiff Wales
26 Aug
CWL23:15Cardiff Wales
8h 35m
1 stop
STN07:50London Stansted
£76
Ryanair
4 Sept
LGW22:00London Gatwick
8h 55m
1 stop
CWL06:55Cardiff Wales
11 Sept
CWL22:45Cardiff Wales
9h 40m
1 stop
LGW08:25London Gatwick
£77
Ryanair
18 Aug
LTN13:10London Luton
9h 40m
1 stop
CWL22:50Cardiff Wales
26 Aug
CWL23:15Cardiff Wales
9h 45m
1 stop
LTN09:00London Luton
£78

British Airways flights from London to Cardiff

Our best British Airways deals on London to Cardiff flight tickets
British Airways
6 Oct
LCY18:55London City
16h 35m
1 stop
CWL11:30Cardiff Wales
8 Oct
CWL12:00Cardiff Wales
6h 15m
1 stop
LCY18:15London City
£457
British Airways
2 Aug
LCY19:55London City
15h 35m
1 stop
CWL11:30Cardiff Wales
4 Aug
CWL12:00Cardiff Wales
4h 00m
1 stop
LCY16:00London City
£593
British Airways
3 Aug
LCY17:20London City
18h 10m
2 stops
CWL11:30Cardiff Wales
10 Aug
CWL12:00Cardiff Wales
8h 45m
2 stops
LCY20:45London City
£695

momondo Fare Finder

 
Customise your flight search to find flights from London to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 23 July 2026.
Use the filters below to find and compare flights from London to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCardiff

STN - CWL

STNCWL

London Stansted

Tue 18/8

16:20-22:50

1 stop6h 30m

Cardiff Wales

Wed 26/8

23:15-07:50

1 stop8h 35m

£76
Fastest return journey

LondonCardiff

STN - CWL

STNCWL

London Stansted

Tue 18/8

17:30-22:50

1 stop5h 20m

Cardiff Wales

Wed 26/8

23:15-07:50

1 stop8h 35m

£77

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Fri 4/9

22:00-06:55

1 stop8h 55m

Cardiff Wales

Fri 11/9

22:45-08:25

1 stop9h 40m

£77

LondonCardiff

STN - CWL

STNCWL

London Stansted

Tue 18/8

16:20-22:50

1 stop6h 30m

Cardiff Wales

Wed 26/8

23:15-07:50

1 stop8h 35m

£78

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Tue 18/8

13:10-22:50

1 stop9h 40m

Cardiff Wales

Wed 26/8

23:15-09:00

1 stop9h 45m

£78

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Tue 18/8

08:50-22:50

1 stop14h 00m

Cardiff Wales

Tue 25/8

23:15-08:20

1 stop9h 05m

£78

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Tue 18/8

15:50-22:50

1 stop7h 00m

Cardiff Wales

Tue 25/8

23:15-10:20

1 stop11h 05m

£153

LondonCardiff

LCY - CWL

LCYCWL

London City

Tue 18/8

20:15-09:15

1 stop13h 00m

Cardiff Wales

Wed 26/8

09:45-19:45

1 stop10h 00m

£276

LondonCardiff

LCY - CWL

LCYCWL

London City

Thu 27/8

20:15-09:15

1 stop13h 00m

Cardiff Wales

Thu 3/9

09:45-16:40

1 stop6h 55m

£277

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 19/8

20:15-09:15

1 stop13h 00m

Cardiff Wales

Wed 26/8

17:15-07:15

1 stop14h 00m

£288

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cardiff from

How to get the cheapest flight ticket from London to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Cardiff?

What is the cheapest month to fly to Cardiff?

The month of December is, on average, the cheapest month to fly to Cardiff from London, with most prices found around £0. If you are unable to visit Cardiff during the month of December, then departing from London during the month April is also very affordable. Most momondo users find prices during this month for around £0.

When to book flights from London to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from London to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Cardiff (LON to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Cardiff

Fastest flight time

3h 40m

Direct flights

None
The fastest flight from London to Cardiff takes 3h 40m
There are no direct flights from London to Cardiff. There are no popular flight routes from London to Cardiff.
Search flight deals

Frequently asked questions about flying from London to Cardiff

  • How far is London to Cardiff Wales by plane?

    The distance between London and Cardiff Wales is about 131.3 mi. Typically, this will take 3h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from London to Cardiff Wales Airport?

    Prices for flights from London to Cardiff Wales Airport refresh daily.

  • How old do you have to be to fly from London to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London to Cardiff?

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from London to Cardiff?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from London.

Can I find flights from London to Cardiff with flexible booking policies on momondo?

Flights from London to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Cardiff?

momondo helps you find the best flight between London and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Cardiff right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cardiff, momondo offers a useful price alert feature which will track prices for flights to Cardiff from London and alert you when they change.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport