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Round-trip from | £196 |
---|---|
One-way from | £115 |
Popular in | July |
Cheapest in | December |
Average price | £850 |
Fly from
Fly to
Route
Depart
Return
Price
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Sat 30/8
21:10-10:35
1 stop13h 25m
Cardiff Wales
Sat 6/9
09:00-20:20
1 stop11h 20m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Sat 15/11
08:40-16:55
1 stop8h 15m
Cardiff Wales
Sun 16/11
10:20-19:15
1 stop8h 55m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Tue 19/8
08:00-11:30
1 stop3h 30m
Cardiff Wales
Wed 20/8
12:00-19:35
1 stop7h 35m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Wed 13/8
15:10-07:25
1 stop16h 15m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Sat 30/8
08:05-11:30
1 stop3h 25m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Fri 22/8
09:45-19:15
3 stops9h 30m
Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Cardiff (average of £169). Flying from London Heathrow Airport to Cardiff in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cardiff in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.
Comfort
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Overall
Food
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Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Deals for Heathrow to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Cheapflights simply makes it quick and affordable to book flights from Heathrow to Cardiff by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Certainly. Search results for flights to Cardiff from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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