Which airlines fly to London?

KLM, British Airways and easyJet are the top three most popular airlines that fly to London from Cardiff according to our data. KLM is the first choice among our users, with 62% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

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

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 48m 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 many operators does momondo search for flights from Cardiff Wales Airport to London?

As of October 2025, there is 1 operator available to choose from for flights from Cardiff Wales Airport to London.

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.

£63 Cheap Flights from Cardiff to London in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from £406 to £445. The lowest price recently found on this route was £91.

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21:20 - 09:50CWL-STN

12h 30m1 stop

13:30 - 19:40STN-CWL

6h 10m1 stop

£91Multiple Airlines

Find Deal

Sun, 2 Nov - Sat, 8 Nov

21:20 - 09:50CWL-STN

12h 30m1 stop

13:30 - 19:40STN-CWL

6h 10m1 stop

£92Multiple Airlines

Find Deal

Sun, 2 Nov - Sat, 8 Nov

21:20 - 08:55CWL-LTN

11h 35m1 stop

06:00 - 19:40LTN-CWL

13h 40m1 stop

£94Ryanair

Find Deal

Sun, 2 Nov - Sat, 8 Nov

13:10 - 17:45CWL-LGW

4h 35m1 stop

09:40 - 15:55LGW-CWL

6h 15m1 stop

£103Ryanair

Find Deal

Mon, 20 Oct - Tue, 21 Oct

07:55 - 16:20CWL-STN

8h 25m1 stop

08:15 - 12:45STN-CWL

4h 30m1 stop

£110Ryanair

Find Deal

Thu, 16 Oct - Mon, 20 Oct

10:20 - 16:35CWL-LCY

6h 15m1 stop

07:45 - 16:45LCY-CWL

9h 00m1 stop

£364KLM

Find Deal

Fri, 31 Oct - Fri, 7 Nov

17:15 - 20:55CWL-LHR

3h 40m1 stop

06:30 - 16:45LHR-CWL

10h 15m1 stop

£369KLM

Find Deal

Wed, 15 Oct - Sun, 19 Oct

12:00 - 16:45CWL-LHR

4h 45m1 stop

07:30 - 11:30LHR-CWL

4h 00m1 stop

£373British Airways

Find Deal

Mon, 30 Mar - Tue, 31 Mar

12:00 - 19:50CWL-LHR

7h 50m1 stop

07:30 - 11:30LHR-CWL

4h 00m1 stop

£374British Airways

Find Deal

Mon, 30 Mar - Tue, 31 Mar

12:00 - 14:25CWL-LCY

26h 25m1 stop

11:35 - 11:30LCY-CWL

23h 55m1 stop

£519Aer Lingus

Find Deal

Sat, 15 Nov - Sat, 22 Nov

British Airways flights from Cardiff to London

Our best British Airways deals on Cardiff to London flight tickets

British Airways

30 Mar

CWL12:00Cardiff Wales

4h 45m

1 stop

LHR16:45London Heathrow

31 Mar

LHR07:30London Heathrow

4h 00m

1 stop

CWL11:30Cardiff Wales

£373

Find similar

British Airways

30 Mar

CWL12:00Cardiff Wales

7h 50m

1 stop

LHR19:50London Heathrow

31 Mar

LHR07:30London Heathrow

4h 00m

1 stop

CWL11:30Cardiff Wales

£374

Find similar

British Airways

30 Mar

CWL12:00Cardiff Wales

4h 45m

1 stop

LHR16:45London Heathrow

31 Mar

LHR07:30London Heathrow

4h 00m

1 stop

CWL11:30Cardiff Wales

£375

Find similar

KLM flights from Cardiff to London

Our best KLM deals on Cardiff to London flight tickets

KLM

31 Oct

CWL10:20Cardiff Wales

6h 15m

1 stop

LCY16:35London City

7 Nov

LCY07:45London City

9h 00m

1 stop

CWL16:45Cardiff Wales

£364

Find similar

KLM

15 Oct

CWL17:15Cardiff Wales

3h 40m

1 stop

LHR20:55London Heathrow

19 Oct

LHR06:30London Heathrow

10h 15m

1 stop

CWL16:45Cardiff Wales

£369

Find similar

KLM

15 Oct

CWL09:50Cardiff Wales

7h 30m

1 stop

LCY17:20London City

19 Oct

LCY20:45London City

12h 30m

1 stop

CWL09:15Cardiff Wales

£405

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Sun 2/11

21:20-09:50

1 stop12h 30m

London Stansted

Sat 8/11

13:30-19:40

1 stop6h 10m

£91

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Sun 2/11

21:20-09:50

1 stop12h 30m

London Stansted

Sat 8/11

13:30-19:40

1 stop6h 10m

£92

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sun 2/11

21:20-08:55

1 stop11h 35m

London Luton

Sat 8/11

06:00-19:40

1 stop13h 40m

£94

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Mon 20/10

13:10-17:45

1 stop4h 35m

London Gatwick

Tue 21/10

09:40-15:55

1 stop6h 15m

£103

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 16/10

07:55-16:20

1 stop8h 25m

London Stansted

Mon 20/10

08:15-12:45

1 stop4h 30m

£110

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Fri 31/10

10:20-16:35

1 stop6h 15m

London City

Fri 7/11

07:45-16:45

1 stop9h 00m

£364

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Wed 15/10

17:15-20:55

1 stop3h 40m

London Heathrow

Sun 19/10

06:30-16:45

1 stop10h 15m

£369

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Mon 30/3

12:00-16:45

1 stop4h 45m

London Heathrow

Tue 31/3

07:30-11:30

1 stop4h 00m

£373

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Mon 30/3

12:00-19:50

1 stop7h 50m

London Heathrow

Tue 31/3

07:30-11:30

1 stop4h 00m

£374

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Sat 15/11

12:00-14:25

1 stop26h 25m

London City

Sat 22/11

11:35-11:30

1 stop23h 55m

£519

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

Other information

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

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 July is another great option to travel to London, with average flight prices from Cardiff averaging around £189.

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

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £586. 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 £1,260.

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 £535. Flights in the evening are often more expensive, with an average ticket price of £977.

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	£582
Direct flights	None

The best flight deal from Cardiff to London found on momondo in the last 72 hours is £582

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 48m 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 3h 40m.
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 many operators does momondo search for flights from Cardiff Wales Airport to London?
As of October 2025, there is 1 operator available to choose from for flights from Cardiff Wales Airport to London.
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 71% of the total bookings. Other popular airlines include Ryanair with 29%.

Best airlines flying from Cardiff to London

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

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £218	Free Cancellation	Rating 7.8 1,389 reviews		Search KLM flights

Eastbourne

Milton Keynes

Luton

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Hayes

Dover

Chelmsford

Dartford

Hounslow

Stansted

Chichester

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

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Find better results for your trip to the United Kingdom

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Cheap flights from Cardiff to London from £63

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 11/11. 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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Big names, great deals

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British Airways flights from Cardiff to London

Our best British Airways deals on Cardiff to London flight tickets

KLM flights from Cardiff to London

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

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 Cardiff and 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 Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £586. 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 £1,260.

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 £535. Flights in the evening are often more expensive, with an average ticket price of £977.

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

Which airlines fly to London?

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

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 many operators does momondo search 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?

Best airlines flying from Cardiff to London

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

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