What is the cheapest airline that flies from London to Cardiff Wales?

Ryanair and KLM are the most popular carriers operating from London to Cardiff Wales

Is flying the fastest way to get from London to Cardiff?

To save time, the fastest way to travel is by train from London to Cardiff on AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 49m compared to taking a flight from London to Cardiff or a bus from London to Cardiff which have been found to be slower alternatives.

Is flying the cheapest way to get from London to Cardiff?

A bus from London to Cardiff from £14 can save you up to 82% on the cost of your trip compared to booking a flight from London to Cardiff or a train from London to Cardiff.

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 many operators does momondo search for flights from London to Cardiff Wales Airport?

There is 1 operator available for flights from London to Cardiff Wales Airport as of January 2026.

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.

£46 Cheap Flights from London to Cardiff in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £260 to £326. The lowest price recently found on this route was £79.

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Find the cheapest flights from London to Cardiff

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:00 - 19:40

STN

CWL

7h 40m

1 stop

15:55 - 21:20

CWL

STN

5h 25m

1 stop

£79Ryanair

Sat, 7 Feb - Wed, 11 Feb

19:05 - 23:05

LTN

CWL

4h 00m

1 stop

23:30 - 08:35

CWL

LTN

9h 05m

1 stop

£79Ryanair

Mon, 23 Feb - Mon, 9 Mar

18:45 - 23:05

STN

CWL

4h 20m

1 stop

23:30 - 07:50

CWL

STN

8h 20m

1 stop

£82Ryanair

Mon, 23 Feb - Mon, 9 Mar

16:20 - 23:05

LGW

CWL

6h 45m

1 stop

23:30 - 09:15

CWL

LGW

9h 45m

1 stop

£82Ryanair

Mon, 23 Feb - Mon, 9 Mar

09:15 - 23:05

STN

CWL

13h 50m

2 stops

23:30 - 07:50

CWL

STN

8h 20m

1 stop

£93Multiple Airlines

Mon, 23 Feb - Mon, 9 Mar

19:05 - 23:05

LTN

CWL

4h 00m

1 stop

23:30 - 16:55

CWL

LTN

17h 25m

2 stops

£101Multiple Airlines

Mon, 23 Feb - Mon, 9 Mar

20:55 - 09:15

LHR

CWL

12h 20m

1 stop

09:45 - 19:25

CWL

LHR

9h 40m

1 stop

£220KLM

Fri, 5 Jun - Tue, 9 Jun

20:15 - 09:15

LCY

CWL

13h 00m

1 stop

09:45 - 18:30

CWL

LCY

8h 45m

1 stop

£238KLM

Fri, 5 Jun - Tue, 9 Jun

20:25 - 09:50

LHR

CWL

13h 25m

1 stop

17:25 - 20:50

CWL

LHR

3h 25m

1 stop

£244KLM

Thu, 26 Feb - Thu, 5 Mar

09:20 - 16:55

LCY

CWL

7h 35m

1 stop

10:20 - 19:35

CWL

LCY

9h 15m

1 stop

£301KLM

Wed, 11 Mar - Wed, 18 Mar

Ryanair flights from London to Cardiff

Our best Ryanair deals on London to Cardiff flight tickets

Ryanair

4 Feb

LGW11:15London Gatwick

4h 15m

1 stop

CWL15:30Cardiff Wales

11 Feb

CWL15:55Cardiff Wales

5h 10m

1 stop

LGW21:05London Gatwick

£78

Ryanair

7 Feb

STN12:00London Stansted

7h 40m

1 stop

CWL19:40Cardiff Wales

11 Feb

CWL15:55Cardiff Wales

5h 25m

1 stop

STN21:20London Stansted

£79

Ryanair

23 Feb

STN18:45London Stansted

4h 20m

1 stop

CWL23:05Cardiff Wales

9 Mar

CWL23:30Cardiff Wales

8h 20m

1 stop

STN07:50London Stansted

£82

British Airways flights from London to Cardiff

Our best British Airways deals on London to Cardiff flight tickets

British Airways

26 Feb

LHR07:45London Heathrow

24h 20m

1 stop

CWL08:05Cardiff Wales

5 Mar

CWL08:35Cardiff Wales

7h 55m

1 stop

LHR16:30London Heathrow

£366

British Airways

30 Jan

LHR15:10London Heathrow

20h 20m

1 stop

CWL11:30Cardiff Wales

2 Feb

CWL12:00Cardiff Wales

4h 05m

1 stop

LHR16:05London Heathrow

£593

British Airways

30 Jan

LHR19:00London Heathrow

16h 30m

1 stop

CWL11:30Cardiff Wales

2 Feb

CWL12:00Cardiff Wales

4h 05m

1 stop

LHR16:05London Heathrow

£638

Fly from

Fly to

Route

Depart

Return

Price

LondonCardiff

STN - CWL

STNCWL

London Stansted

Sat 7/2

12:00-19:40

1 stop7h 40m

Cardiff Wales

Wed 11/2

15:55-21:20

1 stop5h 25m

£79

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Mon 23/2

19:05-23:05

1 stop4h 00m

Cardiff Wales

Mon 9/3

23:30-08:35

1 stop9h 05m

£79

LondonCardiff

STN - CWL

STNCWL

London Stansted

Mon 23/2

18:45-23:05

1 stop4h 20m

Cardiff Wales

Mon 9/3

23:30-07:50

1 stop8h 20m

£82

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Mon 23/2

16:20-23:05

1 stop6h 45m

Cardiff Wales

Mon 9/3

23:30-09:15

1 stop9h 45m

£82

LondonCardiff

STN - CWL

STNCWL

London Stansted

Mon 23/2

09:15-23:05

2 stops13h 50m

Cardiff Wales

Mon 9/3

23:30-07:50

1 stop8h 20m

£93

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Mon 23/2

19:05-23:05

1 stop4h 00m

Cardiff Wales

Mon 9/3

23:30-16:55

2 stops17h 25m

£101

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Fri 5/6

20:55-09:15

1 stop12h 20m

Cardiff Wales

Tue 9/6

09:45-19:25

1 stop9h 40m

£220

LondonCardiff

LCY - CWL

LCYCWL

London City

Fri 5/6

20:15-09:15

1 stop13h 00m

Cardiff Wales

Tue 9/6

09:45-18:30

1 stop8h 45m

£238

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Thu 26/2

20:25-09:50

1 stop13h 25m

Cardiff Wales

Thu 5/3

17:25-20:50

1 stop3h 25m

£244

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 11/3

09:20-16:55

1 stop7h 35m

Cardiff Wales

Wed 18/3

10:20-19:35

1 stop9h 15m

£301

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

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 45m
Direct flights	None

The fastest flight from London to Cardiff takes 3h 45m

There are no direct flights from London to Cardiff. There are no popular flight routes from London to Cardiff.

Search flight deals

Is flying the fastest way to get from London to Cardiff?
To save time, the fastest way to travel is by train from London to Cardiff on AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 49m compared to taking a flight from London to Cardiff or a bus from London to Cardiff which have been found to be slower alternatives.
Is flying the cheapest way to get from London to Cardiff?
A bus from London to Cardiff from £14 can save you up to 82% on the cost of your trip compared to booking a flight from London to Cardiff or a train 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 45m 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 many operators does momondo search for flights from London to Cardiff Wales Airport?
There is 1 operator available for flights from London to Cardiff Wales Airport as of January 2026.
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?
momondo data reveals that the most frequently booked airline on the route from London to Cardiff is KLM, representing 100% of all bookings.

Best airlines flying from London to Cardiff

Compare and see reviews for airlines that fly from London to Cardiff with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £216	Free Cancellation	Rating 7.7 1,443 reviews		Search KLM flights

Barry

Bridgend

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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.