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Not ready to book? to track prices.KLM flights from Cardiff to London Heathrow Airport
Our best KLM deals on Cardiff to London Heathrow Airport flight tickets
British Airways flights from Cardiff to London Heathrow Airport
Our best British Airways deals on Cardiff to London Heathrow Airport flight tickets
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Use the filters below to find and compare flights from Cardiff to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Tue 20/10
23:15-09:05
1 stop9h 50m
London Heathrow
Wed 21/10
15:50-23:25
1 stop7h 35m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Wed 21/10
23:50-09:05
1 stop9h 15m
London Heathrow
Thu 29/10
08:50-13:00
1 stop4h 10m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Thu 12/11
13:25-22:00
1 stop8h 35m
London Heathrow
Wed 18/11
17:45-13:00
1 stop19h 15m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Sat 7/11
08:15-17:50
1 stop9h 35m
London Heathrow
Fri 13/11
19:45-07:50
1 stop12h 05m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Sat 7/11
08:15-17:50
1 stop9h 35m
London Heathrow
Fri 13/11
19:45-07:50
1 stop12h 05m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Fri 6/11
16:05-21:05
1 stop5h 00m
London Heathrow
Fri 13/11
19:45-07:50
1 stop12h 05m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Fri 6/11
16:05-21:05
1 stop5h 00m
London Heathrow
Fri 13/11
19:45-07:50
1 stop12h 05m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Fri 6/11
16:05-21:05
1 stop5h 00m
London Heathrow
Fri 13/11
19:45-07:50
1 stop12h 05m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Sat 21/11
07:55-09:10
2 stops25h 15m
London Heathrow
Sat 28/11
09:55-08:40
2 stops22h 45m
CardiffLondon
CWL Cardiff Wales - LHR London Heathrow
CWLLHR
Cardiff Wales
Sat 7/11
07:55-09:10
2 stops25h 15m
London Heathrow
Sat 14/11
09:55-08:40
2 stops22h 45m
See travel insights to London from
How to get the cheapest flight ticket from Cardiff to London Heathrow Airport
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 cheapest Cardiff Wales to London Heathrow flight route?
Fly from Cardiff Wales to London Heathrow for the best Cardiff Wales - London Heathrow flight prices
What cabin class options are available on Cardiff to London Heathrow Airport flights?
There is only 1 cabin class available to choose from on Cardiff to London Heathrow Airport 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 Heathrow Airport
Cheap Cardiff to London Heathrow Airport (CWL to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cardiff to London Heathrow Airport
Frequently asked questions about flying from Cardiff to London Heathrow Airport
How far is Cardiff Wales to London Heathrow by plane?
Cardiff Wales and London Heathrow are 117.1 mi apart from one another. Typically, this will take 4h 50m by plane in normal conditions.
When did momondo last update prices for flights from Cardiff Wales Airport to London Heathrow Airport?
Prices for flights from Cardiff Wales Airport to London Heathrow Airport refresh daily.
How old do you have to be to fly from Cardiff Wales Airport to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy 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?
momondo does allow users to show only those flights to London from Cardiff which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Cardiff to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Cardiff.
I’m not ready to book a flight from Cardiff to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Cardiff and alert you when they change.