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

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 Wales.

What documentation or ID do you need to fly to Wales?

The travel and health documents you'll need for your trip to Wales may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wales. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£87 Cheap Flights from London Heathrow Airport to Wales in 2026/27

Find the cheapest flights from London Heathrow Airport to Wales

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 15:40LHR London Heathrow-CWL Cardiff Wales

5h 50m1 stop Dublin

08:35 - 15:35CWL Cardiff Wales-LHR London Heathrow

7h 00m1 stop Dublin

£205Multiple Airlines

Fri, 15 Jan - Mon, 18 Jan

19:45 - 07:50LHR London Heathrow-CWL Cardiff Wales

12h 05m1 stop Dublin

08:15 - 19:50CWL Cardiff Wales-LHR London Heathrow

11h 35m1 stop Dublin

£207Multiple Airlines

Fri, 11 Dec - Sat, 19 Dec

19:45 - 07:50LHR London Heathrow-CWL Cardiff Wales

12h 05m1 stop Dublin

08:35 - 19:50CWL Cardiff Wales-LHR London Heathrow

11h 15m1 stop Dublin

£219Multiple Airlines

Fri, 11 Dec - Mon, 14 Dec

07:50 - 13:00LHR London Heathrow-CWL Cardiff Wales

5h 10m1 stop Dublin

13:25 - 19:50CWL Cardiff Wales-LHR London Heathrow

6h 25m1 stop Dublin

£225Multiple Airlines

Thu, 10 Dec - Thu, 24 Dec

06:30 - 17:00LHR London Heathrow-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

17:30 - 20:50CWL Cardiff Wales-LHR London Heathrow

3h 20m1 stop Amsterdam Schiphol

£231KLM

Sat, 26 Dec - Fri, 1 Jan

06:30 - 17:00LHR London Heathrow-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

10:20 - 20:50CWL Cardiff Wales-LHR London Heathrow

10h 30m1 stop Amsterdam Schiphol

£231KLM

Sat, 26 Dec - Fri, 1 Jan

07:50 - 13:00LHR London Heathrow-CWL Cardiff Wales

5h 10m1 stop Dublin

13:25 - 17:50CWL Cardiff Wales-LHR London Heathrow

4h 25m1 stop Dublin

£232Multiple Airlines

Thu, 10 Dec - Thu, 17 Dec

06:30 - 17:00LHR London Heathrow-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

17:30 - 20:50CWL Cardiff Wales-LHR London Heathrow

3h 20m1 stop Amsterdam Schiphol

£233KLM

Sat, 26 Dec - Fri, 1 Jan

08:50 - 15:10LHR London Heathrow-CWL Cardiff Wales

6h 20m1 stop Dublin

17:20 - 20:55CWL Cardiff Wales-LHR London Heathrow

3h 35m1 stop Dublin

£234Multiple Airlines

Fri, 16 Apr - Sun, 18 Apr

07:50 - 13:00LHR London Heathrow-CWL Cardiff Wales

5h 10m1 stop Dublin

13:25 - 19:50CWL Cardiff Wales-LHR London Heathrow

6h 25m1 stop Dublin

£235Multiple Airlines

Thu, 10 Dec - Thu, 17 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

09:00 - 21:45CWL Cardiff Wales-LHR London Heathrow

12h 45m1 stop Belfast City

£312Multiple Airlines

Wed, 18 Nov - Sun, 22 Nov

15:55 - 08:30LHR London Heathrow-CWL Cardiff Wales

16h 35m1 stop Belfast City

12:15 - 18:15CWL Cardiff Wales-LHR London Heathrow

6h 00m1 stop Belfast City

£347Multiple Airlines

Sat, 14 Nov - Tue, 17 Nov

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

14:55 - 19:30CWL Cardiff Wales-LHR London Heathrow

4h 35m1 stop Belfast City

£373British Airways

Wed, 18 Nov - Sat, 28 Nov

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

09:00 - 21:45CWL Cardiff Wales-LHR London Heathrow

12h 45m1 stop Belfast City

£378British Airways

Wed, 18 Nov - Sun, 29 Nov

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

12:15 - 17:05CWL Cardiff Wales-LHR London Heathrow

4h 50m1 stop Belfast City

£382British Airways

Wed, 18 Nov - Wed, 25 Nov

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

09:00 - 21:15CWL Cardiff Wales-LHR London Heathrow

12h 15m1 stop Belfast City

£416British Airways

Wed, 18 Nov - Thu, 26 Nov

13:25 - 08:30LHR London Heathrow-CWL Cardiff Wales

19h 05m1 stop Belfast City

09:00 - 20:55CWL Cardiff Wales-LHR London Heathrow

11h 55m1 stop Belfast City

£503British Airways

Wed, 18 Nov - Fri, 27 Nov

06:50 - 19:55LHR London Heathrow-CWL Cardiff Wales

13h 05m2 stops Brussels Bruxelles-National Granadilla Tenerife-Sur

09:00 - 08:05CWL Cardiff Wales-LHR London Heathrow

23h 05m2 stops Granadilla Tenerife-Sur Zurich

£551Multiple Airlines

Fri, 13 Nov - Sun, 15 Nov

06:20 - 17:00LHR London Heathrow-CWL Cardiff Wales

10h 40m2 stops Paris Charles de Gaulle Amsterdam Schiphol

10:20 - 21:25CWL Cardiff Wales-LHR London Heathrow

11h 05m2 stops Amsterdam Schiphol Paris Charles de Gaulle

£654Multiple Airlines

Wed, 18 Nov - Sun, 22 Nov

17:35 - 13:30LHR London Heathrow-CWL Cardiff Wales

19h 55m3 stops Paris Charles de Gaulle Milan Malpensa Malaga

10:20 - 21:25CWL Cardiff Wales-LHR London Heathrow

11h 05m2 stops Amsterdam Schiphol Paris Charles de Gaulle

£676Multiple Airlines

Sat, 14 Nov - Tue, 17 Nov

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KLM flights from London Heathrow Airport to Wales

Our best KLM deals on London Heathrow Airport to Wales flight tickets

KLM

26 Dec

LHR06:30London Heathrow

10h 30m

1 stop

CWL17:00Cardiff Wales

1 Jan

CWL17:30Cardiff Wales

3h 20m

1 stop

LHR20:50London Heathrow

£231

KLM

26 Dec

LHR06:30London Heathrow

10h 30m

1 stop

CWL17:00Cardiff Wales

1 Jan

CWL10:20Cardiff Wales

10h 30m

1 stop

LHR20:50London Heathrow

£231

KLM

26 Dec

LHR06:30London Heathrow

10h 30m

1 stop

CWL17:00Cardiff Wales

1 Jan

CWL17:30Cardiff Wales

3h 20m

1 stop

LHR20:50London Heathrow

£233

British Airways flights from London Heathrow Airport to Wales

Our best British Airways deals on London Heathrow Airport to Wales flight tickets

British Airways

21 Nov

LHR15:55London Heathrow

16h 35m

1 stop

CWL08:30Cardiff Wales

28 Nov

CWL14:55Cardiff Wales

4h 35m

1 stop

LHR19:30London Heathrow

£370

British Airways

18 Nov

LHR13:25London Heathrow

19h 05m

1 stop

CWL08:30Cardiff Wales

28 Nov

CWL14:55Cardiff Wales

4h 35m

1 stop

LHR19:30London Heathrow

£373

British Airways

19 Nov

LHR13:10London Heathrow

19h 20m

1 stop

CWL08:30Cardiff Wales

21 Nov

CWL14:55Cardiff Wales

17h 10m

1 stop

LHR08:05London Heathrow

£376

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Wales 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

Fri 15/1

09:50-15:40

1 stop5h 50m

Cardiff Wales

Mon 18/1

08:35-15:35

1 stop7h 00m

£205

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Fri 11/12

19:45-07:50

1 stop12h 05m

Cardiff Wales

Sat 19/12

08:15-19:50

1 stop11h 35m

£207

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Fri 11/12

19:45-07:50

1 stop12h 05m

Cardiff Wales

Mon 14/12

08:35-19:50

1 stop11h 15m

£219

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Thu 10/12

07:50-13:00

1 stop5h 10m

Cardiff Wales

Thu 24/12

13:25-19:50

1 stop6h 25m

£225

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Sat 26/12

06:30-17:00

1 stop10h 30m

Cardiff Wales

Fri 1/1

17:30-20:50

1 stop3h 20m

£231

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Sat 26/12

06:30-17:00

1 stop10h 30m

Cardiff Wales

Fri 1/1

10:20-20:50

1 stop10h 30m

£231

Fastest return journey

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Thu 10/12

07:50-13:00

1 stop5h 10m

Cardiff Wales

Thu 17/12

13:25-17:50

1 stop4h 25m

£232

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Sat 26/12

06:30-17:00

1 stop10h 30m

Cardiff Wales

Fri 1/1

17:30-20:50

1 stop3h 20m

£233

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Fri 16/4

08:50-15:10

1 stop6h 20m

Cardiff Wales

Sun 18/4

17:20-20:55

1 stop3h 35m

£234

LondonCardiff

LHR London Heathrow - CWL Cardiff Wales

LHRCWL

London Heathrow

Thu 10/12

07:50-13:00

1 stop5h 10m

Cardiff Wales

Thu 17/12

13:25-19:50

1 stop6h 25m

£235

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Wales

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 airline that flies from London Heathrow to Wales?

British Airways and KLM are the most popular carriers operating from London Heathrow to Wales

Cheap London Heathrow Airport to Wales flight deals and tips

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

Best price found	£87
Fastest flight time	1h 00m
Direct flights	None

The best one-way flight to Wales from London Heathrow Airport in the past 72 hours is £87. The best return flight deal from London Heathrow Airport to Wales found on momondo in the last 72 hours is £205.

The fastest flight from London Heathrow Airport to Wales takes 1h 00m

There are no direct flights from London Heathrow Airport to Wales. There are no popular flight routes from London Heathrow Airport to Wales.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Wales

When did momondo last update prices for flights from London Heathrow Airport to Wales?
Prices for flights from London Heathrow Airport to Wales refresh daily.
How old do you have to be to fly from London Heathrow Airport to Wales?
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 Wales.
What documentation or ID do you need to fly to Wales?
The travel and health documents you'll need for your trip to Wales may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wales. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find London to Wales flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Wales that suits you.

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

Yes. momondo allows you to filter the results for London to Wales flights to just show those with flexible booking policies.

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

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 Wales from London.

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

Yes momondo offers price alerts on flights to Wales from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.