How often are flights from Cardiff to London delayed?

Historically, on average around 30% 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 51 minutes.

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

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

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. Sunday 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 43% of their flights experiencing any sort of delay.

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

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

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 AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 50m 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 83% 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.

£45 Cheap Flights from Cardiff to London in 2026

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23:20 - 07:35

CWL

LTN

8h 15m

1 stop

13:10 - 22:50

LTN

CWL

9h 40m

1 stop

£78Ryanair

sáb., 7 mar. - mar., 21 abr.

16:25 - 21:20

CWL

STN

4h 55m

1 stop

17:30 - 22:50

STN

CWL

5h 20m

1 stop

£79Ryanair

sáb., 7 mar. - mar., 21 abr.

16:25 - 21:05

CWL

LGW

4h 40m

1 stop

19:00 - 22:50

LGW

CWL

3h 50m

1 stop

£81Ryanair

sáb., 7 mar. - mar., 21 abr.

15:55 - 21:20

CWL

STN

5h 25m

1 stop

08:30 - 15:30

STN

CWL

7h 00m

1 stop

£90Ryanair

mié., 11 mar. - mié., 18 mar.

16:25 - 20:05

CWL

STN

3h 40m

1 stop

09:00 - 22:50

STN

CWL

13h 50m

2 stops

£92Ryanair

sáb., 7 mar. - mar., 21 abr.

23:20 - 15:30

CWL

LGW

16h 10m

2 stops

13:10 - 22:50

LGW

CWL

9h 40m

1 stop

£114Multiple Airlines

sáb., 7 mar. - mar., 21 abr.

17:25 - 08:50

CWL

LCY

15h 25m

1 stop

08:40 - 16:55

LCY

CWL

8h 15m

1 stop

£306KLM

mar., 10 mar. - mar., 17 mar.

17:25 - 08:10

CWL

LCY

14h 45m

1 stop

09:20 - 16:55

LCY

CWL

7h 35m

1 stop

£332KLM

mié., 11 mar. - mié., 18 mar.

10:20 - 16:35

CWL

LCY

6h 15m

1 stop

08:40 - 16:55

LCY

CWL

8h 15m

1 stop

£348KLM

jue., 12 mar. - jue., 19 mar.

10:20 - 19:35

CWL

LCY

9h 15m

1 stop

20:05 - 09:50

LCY

CWL

13h 45m

1 stop

£349KLM

vie., 13 mar. - vie., 20 mar.

British Airways flights from Cardiff to London

Our best British Airways deals on Cardiff to London flight tickets

British Airways

11 Apr

CWL12:00Cardiff Wales

19h 55m

1 stop

LHR07:55London Heathrow

15 Apr

LHR07:40London Heathrow

3h 50m

1 stop

CWL11:30Cardiff Wales

£378

British Airways

11 Apr

CWL12:00Cardiff Wales

19h 55m

1 stop

LHR07:55London Heathrow

15 Apr

LHR07:40London Heathrow

3h 50m

1 stop

CWL11:30Cardiff Wales

£379

British Airways

11 Apr

CWL12:00Cardiff Wales

19h 55m

1 stop

LHR07:55London Heathrow

15 Apr

LHR07:40London Heathrow

3h 50m

1 stop

CWL11:30Cardiff Wales

£380

KLM flights from Cardiff to London

Our best KLM deals on Cardiff to London flight tickets

KLM

13 Mar

CWL17:15Cardiff Wales

3h 35m

1 stop

LHR20:50London Heathrow

20 Mar

LHR20:25London Heathrow

13h 25m

1 stop

CWL09:50Cardiff Wales

£269

KLM

10 Mar

CWL17:25Cardiff Wales

14h 15m

1 stop

LHR07:40London Heathrow

17 Mar

LHR11:45London Heathrow

5h 10m

1 stop

CWL16:55Cardiff Wales

£288

KLM

12 Mar

CWL17:25Cardiff Wales

3h 25m

1 stop

LHR20:50London Heathrow

19 Mar

LHR10:00London Heathrow

6h 55m

1 stop

CWL16:55Cardiff Wales

£296

Fly from

Fly to

Route

Depart

Return

Price

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

sáb. 7/3

23:20-07:35

1 stop8h 15m

London Luton

mar. 21/4

13:10-22:50

1 stop9h 40m

£78

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

sáb. 7/3

16:25-21:20

1 stop4h 55m

London Stansted

mar. 21/4

17:30-22:50

1 stop5h 20m

£79

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

sáb. 7/3

16:25-21:05

1 stop4h 40m

London Gatwick

mar. 21/4

19:00-22:50

1 stop3h 50m

£81

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

mié. 11/3

15:55-21:20

1 stop5h 25m

London Stansted

mié. 18/3

08:30-15:30

1 stop7h 00m

£90

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

sáb. 7/3

16:25-20:05

1 stop3h 40m

London Stansted

mar. 21/4

09:00-22:50

2 stops13h 50m

£92

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

sáb. 7/3

23:20-15:30

2 stops16h 10m

London Gatwick

mar. 21/4

13:10-22:50

1 stop9h 40m

£114

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

mar. 10/3

17:25-08:50

1 stop15h 25m

London City

mar. 17/3

08:40-16:55

1 stop8h 15m

£306

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

mié. 11/3

17:25-08:10

1 stop14h 45m

London City

mié. 18/3

09:20-16:55

1 stop7h 35m

£332

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

jue. 12/3

10:20-16:35

1 stop6h 15m

London City

jue. 19/3

08:40-16:55

1 stop8h 15m

£348

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

vie. 13/3

10:20-19:35

1 stop9h 15m

London City

vie. 20/3

20:05-09:50

1 stop13h 45m

£349

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 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

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 £569. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cardiff to London for around £891.

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 £529. Flights in the evening are often more expensive, with an average ticket price of £863.

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

Best price found	£826
Fastest flight time	3h 55m
Direct flights	None

The best flight deal from Cardiff to London found on momondo in the last 72 hours is £826

The fastest flight from Cardiff to London takes 3h 55m

There are no direct flights from Cardiff to London. Popular non-direct route for this connection is Cardiff Wales Airport - London Heathrow Airport.

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 AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 50m 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 83% 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 3h 55m.
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 56% of the total bookings. Other popular airlines include Ryanair with 44%.

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Gatwick

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Dover

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Colchester

Bedford

Worthing

Ramsgate

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.

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Cheap flights from Cardiff to London from £45

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 29/3. 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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British Airways flights from Cardiff to London

Our best British Airways deals on Cardiff to London flight tickets

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Our best KLM 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 day to depart on your flight to London?

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

What is the cheapest Cardiff Wales to London flight route?

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

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

How often are flights from Cardiff to London delayed?

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

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

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

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

Best price found

Fastest flight time

Direct flights

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

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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