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Cheap flights from Wales to London from £63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wales to London departing on 28/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Wales to London

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
20:00 - 21:00
MAN
-
LHR
1h 00mdirect
British Airways Logo
21:40 - 22:35
LHR
-
MAN
0h 55mdirect
£100British Airways
Thu, 30 Apr - Sun, 3 May
British Airways Logo
20:00 - 21:00
MAN
-
LHR
1h 00mdirect
British Airways Logo
21:40 - 22:35
LHR
-
MAN
0h 55mdirect
£103British Airways
Thu, 30 Apr - Sun, 3 May
British Airways Logo
16:55 - 18:00
MAN
-
LHR
1h 05mdirect
British Airways Logo
12:00 - 13:05
LHR
-
MAN
1h 05mdirect
£104British Airways
Mon, 31 Aug - Wed, 9 Sep
British Airways Logo
20:00 - 21:00
MAN
-
LHR
1h 00mdirect
British Airways Logo
06:55 - 07:55
LHR
-
MAN
1h 00mdirect
£105British Airways
Thu, 24 Sep - Wed, 21 Oct
British Airways Logo
20:00 - 21:00
MAN
-
LHR
1h 00mdirect
British Airways Logo
21:40 - 22:35
LHR
-
MAN
0h 55mdirect
£106British Airways
Thu, 30 Apr - Sun, 3 May
British Airways Logo
20:00 - 21:00
MAN
-
LHR
1h 00mdirect
British Airways Logo
21:40 - 22:35
LHR
-
MAN
0h 55mdirect
£106British Airways
Thu, 30 Apr - Sun, 3 May
Multiple Airlines Logo
23:15 - 09:05
CWL
-
LHR
9h 50m
1 stop
Multiple Airlines Logo
15:50 - 22:50
LHR
-
CWL
7h 00m
1 stop
£158Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
23:15 - 09:05
CWL
-
LHR
9h 50m
1 stop
Multiple Airlines Logo
15:10 - 23:25
LHR
-
CWL
8h 15m
1 stop
£162Multiple Airlines
Tue, 28 Apr - Wed, 29 Apr
Aer Lingus Logo
08:25 - 15:00
BRS
-
LHR
6h 35m
1 stop
Aer Lingus Logo
07:40 - 16:00
LHR
-
BRS
8h 20m
1 stop
£198Aer Lingus
Wed, 13 May - Wed, 20 May
KLM Logo
17:15 - 20:55
CWL
-
LHR
3h 40m
1 stop
KLM Logo
06:30 - 16:45
LHR
-
CWL
10h 15m
1 stop
£244KLM
Wed, 29 Jul - Wed, 19 Aug

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British Airways flights from Wales to London Heathrow Airport

Our best British Airways deals on Wales to London Heathrow Airport flight tickets
British Airways
30 Apr
MAN20:00Manchester
1h 00m
LHR21:00London Heathrow
3 May
LHR21:40London Heathrow
0h 55m
MAN22:35Manchester
£100
British Airways
30 Apr
MAN20:00Manchester
1h 00m
LHR21:00London Heathrow
3 May
LHR21:40London Heathrow
0h 55m
MAN22:35Manchester
£103
British Airways
31 Aug
MAN16:55Manchester
1h 05m
LHR18:00London Heathrow
9 Sept
LHR12:00London Heathrow
1h 05m
MAN13:05Manchester
£104

KLM flights from Wales to London Heathrow Airport

Our best KLM deals on Wales to London Heathrow Airport flight tickets
KLM
29 Jul
CWL17:15Cardiff Wales
3h 40m
1 stop
LHR20:55London Heathrow
19 Aug
LHR06:30London Heathrow
10h 15m
1 stop
CWL16:45Cardiff Wales
£244
KLM
27 May
BRS06:15Bristol
4h 30m
1 stop
LHR10:45London Heathrow
3 Jun
LHR17:10London Heathrow
4h 55m
1 stop
BRS22:05Bristol
£271
KLM
7 Aug
CWL17:15Cardiff Wales
3h 40m
1 stop
LHR20:55London Heathrow
13 Aug
LHR06:30London Heathrow
10h 15m
1 stop
CWL16:45Cardiff Wales
£298

momondo Fare Finder

 
Customise your flight search to find flights from Wales to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from Wales to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 30/4

20:00-21:00

Nonstop1h 00m

London Heathrow

Sun 3/5

21:40-22:35

Nonstop0h 55m

£100

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 30/4

20:00-21:00

Nonstop1h 00m

London Heathrow

Sun 3/5

21:40-22:35

Nonstop0h 55m

£103

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Mon 31/8

16:55-18:00

Nonstop1h 05m

London Heathrow

Wed 9/9

12:00-13:05

Nonstop1h 05m

£104

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 24/9

20:00-21:00

Nonstop1h 00m

London Heathrow

Wed 21/10

06:55-07:55

Nonstop1h 00m

£105

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 30/4

20:00-21:00

Nonstop1h 00m

London Heathrow

Sun 3/5

21:40-22:35

Nonstop0h 55m

£106

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 30/4

20:00-21:00

Nonstop1h 00m

London Heathrow

Sun 3/5

21:40-22:35

Nonstop0h 55m

£106

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Tue 12/5

23:15-09:05

1 stop9h 50m

London Heathrow

Tue 19/5

15:50-22:50

1 stop7h 00m

£158

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Tue 28/4

23:15-09:05

1 stop9h 50m

London Heathrow

Wed 29/4

15:10-23:25

1 stop8h 15m

£162

BristolLondon

BRS - LHR

BRSLHR

Bristol

Wed 13/5

08:25-15:00

1 stop6h 35m

London Heathrow

Wed 20/5

07:40-16:00

1 stop8h 20m

£198

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Wed 29/7

17:15-20:55

1 stop3h 40m

London Heathrow

Wed 19/8

06:30-16:45

1 stop10h 15m

£244

Flights are sorted by cheapest return flights first.

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

See travel insights to London from

How to get the cheapest flight ticket from Wales 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 day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Wales is on a Monday. momondo users have found tickets for Monday departures for as low as £572. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £836.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Wales to London Heathrow Airport in the morning for as low as £532. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £815 on average. Flights to London Heathrow Airport from Wales in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Wales to London Heathrow flight route?

Fly from Cardiff Wales to London Heathrow for the best Wales - London Heathrow flight prices

What cabin class options are available on Wales to London Heathrow flights?

There is only 1 cabin class available to choose from on Wales to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Wales to London Heathrow Airport flight deals and tips

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

Fastest flight time

1h 00m

Direct flights

Every day
The fastest flight from Wales to London Heathrow Airport takes 1h 00m
Direct flights go from Wales to London Heathrow Airport every day.
Search flight deals

Frequently asked questions about flying from Wales to London Heathrow Airport

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

    Prices for flights from Wales to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Wales to London Heathrow Airport?

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

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Stratford-upon-Avon
Slough
Maidstone
Northampton
Wembley
Swindon
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Poole
Dover
Chelmsford
Folkestone

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Wales.

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

Flights from Wales to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Wales to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Wales to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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