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Cheap flights from Cardiff to London Heathrow Airport from £71

CWL — LHR
21 Oct — 28 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

Thu 15/1022:50 -
1 stop10h 15m
Thu 22/1016:50 -
1 stop14h 30m
Deal found 17/9£141
Mon 5/1022:10 -
1 stop12h 10m
Fri 9/1015:50 -
1 stop6h 30m
Deal found 20/9£146
Fri 2/1022:45 -
1 stop10h 20m
Tue 6/1015:10 -
1 stop7h 40m
Deal found 17/9£148
Sun 11/1021:45 -
1 stop11h 20m
Thu 15/1014:20 -
1 stop8h 05m
Deal found 20/9£150
Mon 12/1022:10 -
1 stop10h 55m
Mon 19/1015:50 -
1 stop5h 55m
Deal found 21/9£160
Sun 18/1021:45 -
1 stop12h 35m
Sun 25/1018:45 -
1 stop13h 25m
Deal found 19/9£167
Fri 16/1022:45 -
1 stop9h 20m
Fri 23/1021:10 -
1 stop9h 45m
Deal found 18/9£180
Sun 18/1021:45 -
1 stop10h 20m
Fri 23/1021:10 -
1 stop9h 45m
Deal found 18/9£191
Tue 6/1023:15 -
1 stop8h 50m
Sat 10/1016:50 -
2 stops16h 20m
Deal found 20/9£202
Sat 7/1108:15 -
1 stop9h 35m
Sun 8/1114:35 -
2 stops17h 35m
Deal found 21/9£204

Find flight deals from Cardiff to Heathrow

Round-trip from

£141

One-way from

£71
15/10-22/10
  • 15/10-22/10
  • 2 total stops
  • 24h 45m total
  • Cardiff to London
Search Deals
27/10-31/12
  • 27/10-31/12
  • 1 total stop
  • 9h 50m 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Tue 27/10

22:15-08:05

1 stop9h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Mon 30/11

08:35-10:10

1 stop25h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Tue 29/9

23:15-13:30

1 stop14h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Wed 30/9

23:50-15:00

1 stop15h 10m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Thu 1/10

22:50-09:05

1 stop10h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£97

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Sat 26/9

07:30-19:25

1 stop11h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£99
Fastest return journey

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Sun 29/11

14:25-21:05

1 stop6h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£100

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Mon 5/10

22:10-10:20

1 stop12h 10m

London Heathrow

Fri 9/10

15:50-22:20

1 stop6h 30m

£146

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Fri 2/10

22:45-09:05

1 stop10h 20m

London Heathrow

Tue 6/10

15:10-22:50

1 stop7h 40m

£148

CardiffLondon

CWL Cardiff Wales - LHR London Heathrow

CWLLHR

Cardiff Wales

Fri 16/10

22:45-08:05

1 stop9h 20m

London Heathrow

Fri 23/10

21:10-06:55

1 stop9h 45m

£180

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 16 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 evening. If you’re flexible enough to do this you can expect to save up to 57% on your trip compared to booking a flight at midday.

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.

  • How long is the flight from Cardiff to London Heathrow Airport?

    Departing from Cardiff to London Heathrow Airport will take you 14h 10m. The distance from Cardiff to London Heathrow Airport is about 124 mi.

  • 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
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

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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