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Cheap flights from Cardiff to London Heathrow Airport from £87

CWL — LHR
24 Sep — 1 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Heathrow

Tue 22/923:15 -
1 stop8h 50m
Tue 29/914:20 -
1 stop8h 30m
Deal found 23/8£155
Tue 6/1023:15 -
1 stop14h 15m
Tue 13/1014:20 -
1 stop8h 30m
Deal found 22/8£164
Wed 7/1023:50 -
1 stop12h 50m
Wed 14/1019:35 -
1 stop3h 50m
Deal found 24/8£168
Wed 23/923:50 -
1 stop8h 15m
Wed 30/915:10 -
1 stop8h 15m
Deal found 23/8£170
Thu 17/922:50 -
1 stop9h 15m
Thu 24/915:50 -
1 stop6h 35m
Deal found 20/8£172
Fri 2/1022:45 -
1 stop11h 35m
Thu 8/1016:50 -
1 stop14h 30m
Deal found 23/8£176
Sat 5/907:30 -
1 stop12h 50m
Wed 9/914:20 -
1 stop9h 05m
Deal found 21/8£177
Fri 4/922:45 -
1 stop10h 20m
Mon 7/916:50 -
1 stop4h 55m
Deal found 21/8£188

Find flight deals from Cardiff to Heathrow

Round-trip from

£155

One-way from

£87
22/9-29/9
  • 22/9-29/9
  • 2 total stops
  • 17h 20m total
  • Cardiff to London
Search Deals
7/10
  • 7/10
  • 1 total stop
  • 14h 05m total
  • Cardiff to London
Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Tue 22/9

23:15-09:05

1 stop9h 50m

London Heathrow

Tue 29/9

15:50-22:50

1 stop7h 00m

£159

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Thu 17/9

22:50-08:05

1 stop9h 15m

London Heathrow

Thu 24/9

15:50-22:25

1 stop6h 35m

£172

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Wed 7/10

23:50-08:05

1 stop8h 15m

London Heathrow

Wed 14/10

19:35-23:25

1 stop3h 50m

£173

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Sat 5/9

07:30-20:20

1 stop12h 50m

London Heathrow

Wed 9/9

14:20-23:25

1 stop9h 05m

£177

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Fri 2/10

22:45-09:05

1 stop10h 20m

London Heathrow

Thu 8/10

21:10-07:20

1 stop10h 10m

£191

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Thu 8/10

22:50-08:05

1 stop9h 15m

London Heathrow

Thu 15/10

14:20-22:25

1 stop8h 05m

£238
Fastest return journey

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Thu 8/10

17:15-20:55

1 stop3h 40m

London Heathrow

Thu 15/10

08:40-16:45

1 stop8h 05m

£261

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Sat 19/9

07:30-19:25

1 stop11h 55m

London Heathrow

Sat 26/9

07:30-11:30

1 stop4h 00m

£263

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Thu 10/12

13:25-21:05

1 stop7h 40m

London Heathrow

Mon 21/12

17:25-11:30

1 stop18h 05m

£264
Cheapest one-way

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Wed 7/10

23:50-13:55

1 stop14h 05m

£87

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 14 resultsSorted by cheapest first
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Best time to book a flight from Cardiff to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cardiff with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Cardiff to London Heathrow Airport

What is the cheapest time of day to fly from CWL to LHR?

A simple way to save on the total cost of your ticket is to fly from Cardiff to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

Related info for your journey

  • What airport do you fly from for flights from Cardiff to London Heathrow?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to London Heathrow. On average, Cardiff Wales has 0 outbound flights to London Heathrow per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • Can I find deals for flights from Cardiff to Heathrow that include hotel bookings?

    Yes. In addition to deals on Cardiff to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Heathrow.

  • Can I find deals for business class flights from Cardiff to Heathrow?

    Yes. Cheapflights offers flight deals from Cardiff to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Southall
Southend-on-Sea
Salisbury
Enfield
Kingston upon Thames
Watford

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Cardiff to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Cardiff today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cardiff to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Cardiff to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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