Cheap flights from Cardiff to London
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

When is the best time to book a Cardiff - London Heathrow flight?

Fly Scanner offers you the possibility to find flights from Cardiff to London Heathrow at the best price thanks to the flexible dates shopping function: compare the prices of flight tickets for dates close to those selected and save money by changing the day of departure or arrival.

See only the ideal flight deals for your needs

Fly Scanner compares hundreds of offers from Cardiff to London Heathrow of low cost flights, online travel agency promotions, airlines from all over the world, domestic and international routes, direct and non-stop flights. The search engine of Fly Scannershows you the best flight selections, all in one click and in seconds.

Find the Cardiff - London Heathrow low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to United Kingdom.

Frequently Asked Questions

Frequently asked questions about flights from Cardiff to London Heathrow.

How much does a Cardiff - London Heathrow flight cost?

The availability of airline tickets can vary greatly depending on the time of year and destination. This information is currently unavailable for flights from Cardiff to London Heathrow.

How far is Cardiff from London?

Cardiff is about 125 mi from London.

What are the airports in London?

At London there are 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the airports in Cardiff?

Cardiff has one airport: Cardiff.

What are the most popular destinations searched for in United Kingdom?

The most searched cities in United Kingdom according to our users are: Edinburgh, Glasgow, London, Manchester, Newquay.

What is the cheapest month to fly from Cardiff to London?

This information is not available at the moment.

What is the most expensive month to fly from Cardiff to London?

This information is not available at the moment.

What is the best day of the week to fly from Cardiff to London?

This information is not available at the moment.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more