Which airline has the best punctuality record on Cardiff to London flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

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

Ryanair is the most popular carrier operating from Cardiff Wales to London

How often are flights from Cardiff to London delayed?

Historically, on average around 33% of flights between Cardiff and London have experienced a delay on any given week. The average delay length over the past 12 months has been 70 minutes.

What is the most punctual flight time for Cardiff to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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

To save time, the fastest way to travel is by train from Cardiff to London on Great Western Railway. Expect the length of time you’ll spend onboard Great Western Railway to be about 2h 09m compared to taking a flight from Cardiff to London or a bus from Cardiff to London which have been found to be slower alternatives.

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

A bus from Cardiff to London from £14 can save you up to 85% on the cost of your trip compared to booking a flight from Cardiff to London or a train from Cardiff to London.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£52 Cheap Flights from Cardiff to London in 2026

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10:30 - 19:55

CWL

LGW

9h 25m1 stop

17:55 - 23:05

LGW

CWL

5h 10m1 stop

£83Ryanair

Thu, 15 Jan - Mon, 19 Jan

10:30 - 17:05

CWL

LTN

6h 35m1 stop

13:50 - 23:05

LTN

CWL

9h 15m1 stop

£83Ryanair

Thu, 15 Jan - Mon, 19 Jan

10:30 - 15:05

CWL

STN

4h 35m1 stop

18:45 - 23:05

STN

CWL

4h 20m1 stop

£87Ryanair

Thu, 15 Jan - Mon, 19 Jan

20:05 - 07:35

CWL

LTN

11h 30m1 stop

06:00 - 19:40

LTN

CWL

13h 40m1 stop

£102Ryanair

Sat, 14 Feb - Sat, 21 Feb

20:05 - 07:50

CWL

STN

11h 45m1 stop

12:00 - 19:40

STN

CWL

7h 40m1 stop

£103Ryanair

Sat, 14 Feb - Sat, 21 Feb

10:30 - 19:35

CWL

STN

9h 05m1 stop

09:15 - 23:05

STN

CWL

13h 50m2 stops

£103Multiple Airlines

Thu, 15 Jan - Mon, 19 Jan

10:20 - 20:50

CWL

LHR

10h 30m1 stop

06:30 - 16:55

LHR

CWL

10h 25m1 stop

£257KLM

Sat, 7 Mar - Sat, 14 Mar

10:20 - 16:35

CWL

LCY

6h 15m1 stop

10:00 - 16:45

LCY

CWL

6h 45m1 stop

£276KLM

Fri, 6 Feb - Mon, 9 Feb

17:25 - 17:20

CWL

LCY

23h 55m1 stop

08:40 - 09:50

LCY

CWL

25h 10m1 stop

£340KLM

Sat, 14 Feb - Sat, 21 Feb

10:20 - 17:20

CWL

LCY

7h 00m1 stop

20:05 - 09:50

LCY

CWL

13h 45m1 stop

£349KLM

Thu, 15 Jan - Mon, 19 Jan

KLM flights from Cardiff to London

Our best KLM deals on Cardiff to London flight tickets

KLM

7 Mar

CWL10:20Cardiff Wales

10h 30m

1 stop

LHR20:50London Heathrow

14 Mar

LHR06:30London Heathrow

10h 25m

1 stop

CWL16:55Cardiff Wales

£257

Find similar

KLM

6 Feb

CWL10:20Cardiff Wales

6h 15m

1 stop

LCY16:35London City

9 Feb

LCY10:00London City

6h 45m

1 stop

CWL16:45Cardiff Wales

£276

Find similar

KLM

13 Feb

CWL17:15Cardiff Wales

3h 35m

1 stop

LHR20:50London Heathrow

20 Feb

LHR20:25London Heathrow

13h 25m

1 stop

CWL09:50Cardiff Wales

£305

Find similar

British Airways flights from Cardiff to London

Our best British Airways deals on Cardiff to London flight tickets

British Airways

8 Jan

CWL08:35Cardiff Wales

12h 45m

1 stop

LHR21:20London Heathrow

12 Jan

LHR07:00London Heathrow

4h 30m

1 stop

CWL11:30Cardiff Wales

£372

Find similar

British Airways

8 Jan

CWL08:35Cardiff Wales

12h 45m

1 stop

LHR21:20London Heathrow

12 Jan

LHR07:00London Heathrow

4h 30m

1 stop

CWL11:30Cardiff Wales

£372

Find similar

British Airways

6 Feb

CWL08:35Cardiff Wales

11h 20m

2 stops

LHR19:55London Heathrow

9 Feb

LHR06:10London Heathrow

5h 20m

2 stops

CWL11:30Cardiff Wales

£652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Thu 15/1

10:30-19:55

1 stop9h 25m

London Gatwick

Mon 19/1

17:55-23:05

1 stop5h 10m

£83

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 15/1

10:30-17:05

1 stop6h 35m

London Luton

Mon 19/1

13:50-23:05

1 stop9h 15m

£83

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 15/1

10:30-15:05

1 stop4h 35m

London Stansted

Mon 19/1

18:45-23:05

1 stop4h 20m

£87

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sat 14/2

20:05-07:35

1 stop11h 30m

London Luton

Sat 21/2

06:00-19:40

1 stop13h 40m

£102

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Sat 14/2

20:05-07:50

1 stop11h 45m

London Stansted

Sat 21/2

12:00-19:40

1 stop7h 40m

£103

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 15/1

10:30-19:35

1 stop9h 05m

London Stansted

Mon 19/1

09:15-23:05

2 stops13h 50m

£103

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Sat 7/3

10:20-20:50

1 stop10h 30m

London Heathrow

Sat 14/3

06:30-16:55

1 stop10h 25m

£257

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Fri 6/2

10:20-16:35

1 stop6h 15m

London City

Mon 9/2

10:00-16:45

1 stop6h 45m

£276

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Sat 14/2

17:25-17:20

1 stop23h 55m

London City

Sat 21/2

08:40-09:50

1 stop25h 10m

£340

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Thu 15/1

10:20-17:20

1 stop7h 00m

London City

Mon 19/1

20:05-09:50

1 stop13h 45m

£349

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How to get the cheapest flight ticket from Cardiff to London

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

Delays

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Cardiff is in May. Flight prices, which tend to average around £124, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Cardiff averaging around £204.

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £576. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Cardiff to London for around £1,262.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £536. Flights in the evening are often more expensive, with an average ticket price of £978.

What is the cheapest Cardiff Wales to London flight route?

Fly from Cardiff Wales to London Heathrow for the best Cardiff Wales - London flight prices

What cabin class options are available on Cardiff Wales to London flights?

There is only 1 cabin class available to choose from on Cardiff Wales to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Cardiff to London

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

Estimated return price

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

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

Fastest flight time	4h 20m
Direct flights	None

The fastest flight from Cardiff to London takes 4h 20m

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

Search flight deals

Is flying the fastest way to get from Cardiff to London?
To save time, the fastest way to travel is by train from Cardiff to London on Great Western Railway. Expect the length of time you’ll spend onboard Great Western Railway to be about 2h 09m compared to taking a flight from Cardiff to London or a bus from Cardiff to London which have been found to be slower alternatives.
Is flying the cheapest way to get from Cardiff to London?
A bus from Cardiff to London from £14 can save you up to 85% on the cost of your trip compared to booking a flight from Cardiff to London or a train from Cardiff to London.
How far is Cardiff Wales to London by plane?
Cardiff Wales and London are 131.3 mi apart from one another. By plane, this route typically takes 4h 20m.
When did momondo last update prices for flights from Cardiff Wales Airport to London?
Prices for flights from Cardiff Wales Airport to London refresh daily.
How old do you have to be to fly from Cardiff Wales Airport to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Cardiff to London?
Based on momondo bookings for flights between Cardiff and London, the leading airline is KLM, making up 62% of the total bookings. Other popular airlines include Ryanair with 38%.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Hounslow

Bedford

Colchester

Ramsgate

Folkestone

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to London for you.

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

Flights from Cardiff to London 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 Cardiff to London?

momondo helps you find the best flight between Cardiff and London 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 Cardiff to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London 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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London Gatwick Airport

London Heathrow Airport

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Flights to Newcastle upon Tynefrom £30

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Flights to Leedsfrom £35

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Flights to Invernessfrom £33

Flights to Newquayfrom £35

Cheap flights from Cardiff to London from £52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to London departing on 14/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Cardiff to London

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Our best British Airways deals on Cardiff to London flight tickets

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How to get the cheapest flight ticket from Cardiff to London

What is the cheapest month to fly to London?

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £576. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Cardiff to London for around £1,262.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £536. Flights in the evening are often more expensive, with an average ticket price of £978.

What is the cheapest Cardiff Wales to London flight route?

Fly from Cardiff Wales to London Heathrow for the best Cardiff Wales - London flight prices

What cabin class options are available on Cardiff Wales to London flights?

There is only 1 cabin class available to choose from on Cardiff Wales to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Ryanair is the most popular carrier operating from Cardiff Wales to London

How often are flights from Cardiff to London delayed?

Historically, on average around 33% of flights between Cardiff and London have experienced a delay on any given week. The average delay length over the past 12 months has been 70 minutes.

What is the most punctual flight time for Cardiff to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Cardiff to London flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

When to book flights from Cardiff to London

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

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

Fastest flight time

Direct flights

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

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

How far is Cardiff Wales to London by plane?

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

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

What documentation or ID do you need to fly to London?

What is the most popular airline from Cardiff to London?

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London