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Cheap flights from London Heathrow Airport to Cardiff from £69

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:20 - 22:25LHR  London Heathrow-CWL Cardiff Wales
8h 05m1 stop Dublin
Multiple Airlines Logo
22:10 - 08:05CWL  Cardiff Wales-LHR London Heathrow
9h 55m1 stop Dublin
£133Multiple Airlines
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
15:10 - 23:25LHR  London Heathrow-CWL Cardiff Wales
8h 15m1 stop Dublin
Multiple Airlines Logo
23:50 - 09:05CWL  Cardiff Wales-LHR London Heathrow
9h 15m1 stop Dublin
£139Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Multiple Airlines Logo
15:50 - 22:20LHR  London Heathrow-CWL Cardiff Wales
6h 30m1 stop Dublin
Multiple Airlines Logo
23:10 - 09:05CWL  Cardiff Wales-LHR London Heathrow
9h 55m1 stop Dublin
£142Multiple Airlines
Fri, 16 Oct - Fri, 30 Oct
Multiple Airlines Logo
14:20 - 22:50LHR  London Heathrow-CWL Cardiff Wales
8h 30m1 stop Dublin
Multiple Airlines Logo
23:50 - 13:30CWL  Cardiff Wales-LHR London Heathrow
13h 40m1 stop Dublin
£143Multiple Airlines
Tue, 13 Oct - Wed, 14 Oct
Multiple Airlines Logo
14:20 - 22:50LHR  London Heathrow-CWL Cardiff Wales
8h 30m1 stop Dublin
Multiple Airlines Logo
07:30 - 16:00CWL  Cardiff Wales-LHR London Heathrow
8h 30m1 stop Dublin
£144Multiple Airlines
Tue, 29 Sep - Sat, 3 Oct
Multiple Airlines Logo
18:10 - 22:25LHR  London Heathrow-CWL Cardiff Wales
4h 15m1 stop Dublin
Multiple Airlines Logo
07:30 - 11:15CWL  Cardiff Wales-LHR London Heathrow
3h 45m1 stop Dublin
£146Multiple Airlines
Thu, 1 Oct - Sat, 3 Oct
Multiple Airlines Logo
15:50 - 21:45LHR  London Heathrow-CWL Cardiff Wales
5h 55m1 stop Dublin
Multiple Airlines Logo
22:10 - 09:05CWL  Cardiff Wales-LHR London Heathrow
10h 55m1 stop Dublin
£148Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
15:50 - 21:45LHR  London Heathrow-CWL Cardiff Wales
5h 55m1 stop Dublin
Multiple Airlines Logo
22:45 - 08:05CWL  Cardiff Wales-LHR London Heathrow
9h 20m1 stop Dublin
£153Multiple Airlines
Mon, 5 Oct - Fri, 16 Oct
Multiple Airlines Logo
14:20 - 22:50LHR  London Heathrow-CWL Cardiff Wales
8h 30m1 stop Dublin
Multiple Airlines Logo
22:45 - 09:05CWL  Cardiff Wales-LHR London Heathrow
10h 20m1 stop Dublin
£153Multiple Airlines
Tue, 29 Sep - Fri, 2 Oct
Multiple Airlines Logo
16:50 - 22:50LHR  London Heathrow-CWL Cardiff Wales
6h 00m1 stop Dublin
Multiple Airlines Logo
23:50 - 10:20CWL  Cardiff Wales-LHR London Heathrow
10h 30m1 stop Dublin
£154Multiple Airlines
Tue, 29 Sep - Wed, 30 Sep

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KLM flights from London Heathrow Airport to Cardiff

Our best KLM deals on London Heathrow Airport to Cardiff flight tickets
KLM
5 Nov
LHR20:25London Heathrow
13h 25m
1 stop
CWL09:50Cardiff Wales
11 Nov
CWL17:30Cardiff Wales
3h 20m
1 stop
LHR20:50London Heathrow
£245
KLM
5 Nov
LHR17:50London Heathrow
16h 00m
1 stop
CWL09:50Cardiff Wales
11 Nov
CWL17:30Cardiff Wales
3h 20m
1 stop
LHR20:50London Heathrow
£245
KLM
2 Nov
LHR20:25London Heathrow
13h 20m
1 stop
CWL09:45Cardiff Wales
9 Nov
CWL17:30Cardiff Wales
3h 20m
1 stop
LHR20:50London Heathrow
£246

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Thu 15/10

14:20-22:25

1 stop8h 05m

Cardiff Wales

Mon 19/10

22:10-08:05

1 stop9h 55m

£133

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Wed 14/10

15:10-23:25

1 stop8h 15m

Cardiff Wales

Wed 21/10

23:50-09:05

1 stop9h 15m

£139

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Fri 16/10

15:50-22:20

1 stop6h 30m

Cardiff Wales

Fri 30/10

23:10-09:05

1 stop9h 55m

£142

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Tue 13/10

14:20-22:50

1 stop8h 30m

Cardiff Wales

Wed 14/10

23:50-13:30

1 stop13h 40m

£143

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Tue 29/9

14:20-22:50

1 stop8h 30m

Cardiff Wales

Sat 3/10

07:30-16:00

1 stop8h 30m

£144
Fastest return journey

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Thu 1/10

18:10-22:25

1 stop4h 15m

Cardiff Wales

Sat 3/10

07:30-11:15

1 stop3h 45m

£146

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Mon 12/10

15:50-21:45

1 stop5h 55m

Cardiff Wales

Mon 19/10

22:10-09:05

1 stop10h 55m

£148

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Mon 5/10

15:50-21:45

1 stop5h 55m

Cardiff Wales

Fri 16/10

22:45-08:05

1 stop9h 20m

£153

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Tue 29/9

14:20-22:50

1 stop8h 30m

Cardiff Wales

Fri 2/10

22:45-09:05

1 stop10h 20m

£153

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Tue 29/9

16:50-22:50

1 stop6h 00m

Cardiff Wales

Wed 30/9

23:50-10:20

1 stop10h 30m

£154

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from London Heathrow Airport to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Cardiff (LHR to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Cardiff

Best price found

£69

Fastest flight time

3h 20m

Direct flights

None
The best one-way flight to Cardiff from London Heathrow Airport in the past 72 hours is £69. The best return flight deal from London Heathrow Airport to Cardiff found on momondo in the last 72 hours is £133.
The fastest flight from London Heathrow Airport to Cardiff takes 3h 20m
There are no direct flights from London Heathrow Airport to Cardiff. There are no popular flight routes from London Heathrow Airport to Cardiff.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Cardiff

  • How far is London Heathrow to Cardiff Wales by plane?

    London Heathrow and Cardiff Wales are 117.1 mi apart from one another. Typically, this will take 3h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to Cardiff Wales Airport?

    Prices for flights from London Heathrow Airport to Cardiff Wales Airport refresh daily.

  • How old do you have to be to fly from London Heathrow Airport to Cardiff Wales Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The necessary travel and health documents for your Cardiff Wales 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.

Frequently asked questions about flying from London Heathrow Airport to Cardiff

  • How do I get Price Alerts for flights from London Heathrow Airport to Cardiff?

    Price Alerts will notify you by email when the price for flights to Cardiff from London Heathrow Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from London Heathrow Airport to Cardiff with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from London to Cardiff?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Cardiff . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Cardiff with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cardiff from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Cardiff?

Once all potential London to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport