How often are flights from Cardiff to London delayed?

Historically, on average around 57% 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 80 minutes.

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

Generally, flights departing in the early afternoon 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?

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

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

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

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 57% of their flights experiencing any sort of delay.

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.

£42 Cheap Flights from Cardiff to London in 2026/27

Find the cheapest flights from Cardiff to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:15 - 21:50CWL Cardiff Wales-STN London Stansted

13h 35m1 stop Dublin

17:45 - 08:40STN London Stansted-CWL Cardiff Wales

14h 55m1 stop Alicante

£94Ryanair

Sat, 5 Dec - Sat, 12 Dec

08:35 - 22:10CWL Cardiff Wales-STN London Stansted

13h 35m1 stop Dublin

22:25 - 07:50STN London Stansted-CWL Cardiff Wales

9h 25m1 stop Dublin

£104Ryanair

Mon, 23 Nov - Fri, 27 Nov

07:55 - 23:35CWL Cardiff Wales-STN London Stansted

15h 40m1 stop Alicante

17:45 - 08:40STN London Stansted-CWL Cardiff Wales

14h 55m1 stop Alicante

£109Ryanair

Sat, 28 Nov - Sat, 5 Dec

08:35 - 16:45CWL Cardiff Wales-STN London Stansted

8h 10m1 stop Dublin

06:45 - 13:00STN London Stansted-CWL Cardiff Wales

6h 15m1 stop Dublin

£110Ryanair

Mon, 14 Dec - Thu, 17 Dec

13:25 - 23:20CWL Cardiff Wales-STN London Stansted

9h 55m1 stop Dublin

12:45 - 13:00STN London Stansted-CWL Cardiff Wales

24h 15m1 stop Dublin

£112Ryanair

Thu, 31 Dec - Wed, 6 Jan

08:15 - 22:35CWL Cardiff Wales-STN London Stansted

14h 20m2 stops Dublin Glasgow Intl

17:45 - 08:40STN London Stansted-CWL Cardiff Wales

14h 55m1 stop Alicante

£113Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

14:25 - 23:05CWL Cardiff Wales-STN London Stansted

8h 40m1 stop Dublin

22:05 - 08:10STN London Stansted-CWL Cardiff Wales

10h 05m1 stop Dublin

£116Ryanair

Sun, 24 Jan - Sun, 31 Jan

08:35 - 16:45CWL Cardiff Wales-STN London Stansted

8h 10m1 stop Dublin

06:05 - 13:00STN London Stansted-CWL Cardiff Wales

6h 55m2 stops Glasgow Intl Dublin

£118Multiple Airlines

Mon, 14 Dec - Thu, 17 Dec

08:35 - 22:10CWL Cardiff Wales-STN London Stansted

13h 35m1 stop Dublin

17:25 - 07:50STN London Stansted-CWL Cardiff Wales

14h 25m2 stops Venice Marco Polo Dublin

£131Ryanair

Mon, 23 Nov - Fri, 27 Nov

14:25 - 22:55CWL Cardiff Wales-STN London Stansted

8h 30m2 stops Dublin Glasgow Intl

22:05 - 08:10STN London Stansted-CWL Cardiff Wales

10h 05m1 stop Dublin

£131Multiple Airlines

Sun, 24 Jan - Sun, 31 Jan

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Ryanair flights from Cardiff to London

Our best Ryanair deals on Cardiff to London flight tickets

Ryanair

5 Dec

CWL08:15Cardiff Wales

13h 35m

1 stop

STN21:50London Stansted

12 Dec

STN17:45London Stansted

14h 55m

1 stop

CWL08:40Cardiff Wales

£94

Ryanair

23 Nov

CWL08:35Cardiff Wales

13h 35m

1 stop

STN22:10London Stansted

27 Nov

STN22:25London Stansted

9h 25m

1 stop

CWL07:50Cardiff Wales

£104

Ryanair

28 Nov

CWL07:55Cardiff Wales

15h 40m

1 stop

STN23:35London Stansted

5 Dec

STN17:45London Stansted

14h 55m

1 stop

CWL08:40Cardiff Wales

£109

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Sat 5/12

08:15-21:50

1 stop13h 35m

London Stansted

Sat 12/12

17:45-08:40

1 stop14h 55m

£94

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Mon 23/11

08:35-22:10

1 stop13h 35m

London Stansted

Fri 27/11

22:25-07:50

1 stop9h 25m

£104

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Sat 28/11

07:55-23:35

1 stop15h 40m

London Stansted

Sat 5/12

17:45-08:40

1 stop14h 55m

£109

Fastest return journey

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Mon 14/12

08:35-16:45

1 stop8h 10m

London Stansted

Thu 17/12

06:45-13:00

1 stop6h 15m

£110

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Thu 31/12

13:25-23:20

1 stop9h 55m

London Stansted

Wed 6/1

12:45-13:00

1 stop24h 15m

£112

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Sat 5/12

08:15-22:35

2 stops14h 20m

London Stansted

Sat 12/12

17:45-08:40

1 stop14h 55m

£113

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Sun 24/1

14:25-23:05

1 stop8h 40m

London Stansted

Sun 31/1

22:05-08:10

1 stop10h 05m

£116

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Mon 14/12

08:35-16:45

1 stop8h 10m

London Stansted

Thu 17/12

06:05-13:00

2 stops6h 55m

£118

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Mon 23/11

08:35-22:10

1 stop13h 35m

London Stansted

Fri 27/11

17:25-07:50

2 stops14h 25m

£131

CardiffLondon

CWL Cardiff Wales - STN London Stansted

CWLSTN

Cardiff Wales

Sun 24/1

14:25-22:55

2 stops8h 30m

London Stansted

Sun 31/1

22:05-08:10

1 stop10h 05m

£131

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 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 to London flights?

There is only 1 cabin class available to choose from on Cardiff 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	£42
Fastest flight time	3h 20m
Direct flights	None

The best one-way flight to London from Cardiff in the past 72 hours is £42. The best return flight deal from Cardiff to London found on momondo in the last 72 hours is £94.

The fastest flight from Cardiff to London takes 3h 20m

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

Search flight deals

Frequently asked questions about flying 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 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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Colchester

Chichester

Hayes

Bedford

Guildford

Harlow

Winchester

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 12/12

Sat 19/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Other flights from Cardiff

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Cardiff to London from £42

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 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Cardiff to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Ryanair flights from Cardiff to London

Our best Ryanair deals on Cardiff to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Cardiff to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Cardiff to London

What is the cheapest Cardiff Wales to London flight route?

What cabin class options are available on Cardiff 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

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Cardiff to London

Travelling to a place near London?

Why use momondo?

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

Cabin classes currently available on flights to London

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

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Cardiff

According to popular flight searches on momondo this year

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year