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

Ryanair, Vueling, and Aer Lingus 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 Great Western Railway. Expect the length of time you’ll spend onboard Great Western Railway to be about 1h 48m 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 85% 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 October 2025.

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.

£50 Cheap Flights from London to Cardiff in 2025/26

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 £170 to £300. The lowest price recently found on this route was £99.

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Find the cheapest flights from London to Cardiff

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:55 - 23:05LGW-CWL

5h 10m1 stop

23:30 - 12:15CWL-LGW

12h 45m1 stop

£99Ryanair

Find Deal

Mon, 24 Nov - Mon, 1 Dec

17:00 - 23:05STN-CWL

6h 05m1 stop

23:30 - 09:50CWL-STN

10h 20m1 stop

£104Ryanair

Find Deal

Mon, 24 Nov - Mon, 1 Dec

07:25 - 18:45LGW-CWL

11h 20m1 stop

15:55 - 21:05CWL-LGW

5h 10m1 stop

£114Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 17 Dec

06:30 - 18:00LTN-CWL

11h 30m1 stop

21:20 - 08:55CWL-LTN

11h 35m1 stop

£117Multiple Airlines

Find Deal

Sun, 7 Dec - Sun, 14 Dec

11:45 - 16:55LHR-CWL

5h 10m1 stop

10:20 - 19:15CWL-LHR

8h 55m1 stop

£245KLM

Find Deal

Thu, 4 Dec - Thu, 11 Dec

07:45 - 16:55LCY-CWL

9h 10m1 stop

10:20 - 19:35CWL-LCY

9h 15m1 stop

£263KLM

Find Deal

Wed, 10 Dec - Wed, 17 Dec

12:50 - 08:05LHR-CWL

19h 15m1 stop

12:00 - 20:45CWL-LHR

8h 45m1 stop

£422British Airways

Find Deal

Thu, 12 Feb - Mon, 16 Feb

12:15 - 11:30LCY-CWL

23h 15m1 stop

12:00 - 14:25CWL-LCY

26h 25m1 stop

£462Aer Lingus

Find Deal

Tue, 11 Nov - Sat, 15 Nov

17:20 - 11:30LHR-CWL

18h 10m1 stop

12:00 - 16:05CWL-LHR

4h 05m1 stop

£468British Airways

Find Deal

Fri, 13 Feb - Mon, 16 Feb

11:35 - 11:30LCY-CWL

23h 55m1 stop

12:00 - 14:25CWL-LCY

26h 25m1 stop

£484Aer Lingus

Find Deal

Sat, 6 Dec - Sat, 13 Dec

Ryanair flights from London to Cardiff

Our best Ryanair deals on London to Cardiff flight tickets

Ryanair

5 Nov

LGW21:40London Gatwick

12h 25m

1 stop

CWL10:05Cardiff Wales

10 Nov

CWL23:30Cardiff Wales

11h 15m

1 stop

LGW10:45London Gatwick

£98

Find similar

Ryanair

24 Nov

LGW17:55London Gatwick

5h 10m

1 stop

CWL23:05Cardiff Wales

1 Dec

CWL23:30Cardiff Wales

12h 45m

1 stop

LGW12:15London Gatwick

£99

Find similar

Ryanair

24 Nov

STN17:00London Stansted

6h 05m

1 stop

CWL23:05Cardiff Wales

1 Dec

CWL23:30Cardiff Wales

10h 20m

1 stop

STN09:50London Stansted

£104

Find similar

KLM flights from London to Cardiff

Our best KLM deals on London to Cardiff flight tickets

KLM

4 Dec

LHR11:45London Heathrow

5h 10m

1 stop

CWL16:55Cardiff Wales

11 Dec

CWL10:20Cardiff Wales

8h 55m

1 stop

LHR19:15London Heathrow

£245

Find similar

KLM

10 Dec

LCY07:45London City

9h 10m

1 stop

CWL16:55Cardiff Wales

17 Dec

CWL10:20Cardiff Wales

9h 15m

1 stop

LCY19:35London City

£263

Find similar

KLM

22 Nov

LHR06:30London Heathrow

10h 25m

1 stop

CWL16:55Cardiff Wales

2 Dec

CWL10:20Cardiff Wales

6h 40m

1 stop

LHR17:00London Heathrow

£269

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Mon 24/11

17:55-23:05

1 stop5h 10m

Cardiff Wales

Mon 1/12

23:30-12:15

1 stop12h 45m

£99

LondonCardiff

STN - CWL

STNCWL

London Stansted

Mon 24/11

17:00-23:05

1 stop6h 05m

Cardiff Wales

Mon 1/12

23:30-09:50

1 stop10h 20m

£104

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 10/12

07:25-18:45

1 stop11h 20m

Cardiff Wales

Wed 17/12

15:55-21:05

1 stop5h 10m

£114

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Sun 7/12

06:30-18:00

1 stop11h 30m

Cardiff Wales

Sun 14/12

21:20-08:55

1 stop11h 35m

£117

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Thu 4/12

11:45-16:55

1 stop5h 10m

Cardiff Wales

Thu 11/12

10:20-19:15

1 stop8h 55m

£245

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 10/12

07:45-16:55

1 stop9h 10m

Cardiff Wales

Wed 17/12

10:20-19:35

1 stop9h 15m

£263

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Thu 12/2

12:50-08:05

1 stop19h 15m

Cardiff Wales

Mon 16/2

12:00-20:45

1 stop8h 45m

£422

LondonCardiff

LCY - CWL

LCYCWL

London City

Tue 11/11

12:15-11:30

1 stop23h 15m

Cardiff Wales

Sat 15/11

12:00-14:25

1 stop26h 25m

£462

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Fri 13/2

17:20-11:30

1 stop18h 10m

Cardiff Wales

Mon 16/2

12:00-16:05

1 stop4h 05m

£468

LondonCardiff

LCY - CWL

LCYCWL

London City

Sat 6/12

11:35-11:30

1 stop23h 55m

Cardiff Wales

Sat 13/12

12:00-14:25

1 stop26h 25m

£484

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

Other information

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 January is, on average, the cheapest month to fly to Cardiff from London, with most prices found around £189. If you are unable to visit Cardiff during the month of January, then departing from London during the month April is also very affordable. Most momondo users find prices during this month for around £220.

What is the cheapest day to depart on your flight to Cardiff?

The cheapest day to depart from London to Cardiff is on a Tuesday. Travellers who choose to depart for Cardiff on a Tuesday will often find tickets for as low as £260. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London to Cardiff for around £332.

What is the cheapest time of day to depart on your flight to Cardiff?

The cheapest time of day to fly to Cardiff is at midday when flights can be purchased for as low as £137. In the afternoon is when there is more demand to fly to Cardiff, so prices are often more expensive at around £313 per ticket.

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

Direct flights	None

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 Great Western Railway. Expect the length of time you’ll spend onboard Great Western Railway to be about 1h 48m 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 85% 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 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 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 October 2025.
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 76% of all bookings. The subsequent popular airline is Ryanair at 24%.

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 £210	Free Cancellation	Rating 7.7 1,406 reviews		Search KLM flights

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.