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Cheap flights from London Heathrow Airport to Cardiff from £133

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — CWL
4 May — 11 May1
1 adult
Sat 4/5
Sat 11/5

Cheap flight deals from Heathrow to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 April 2024.

Popular in

April

Cheapest in

March

Average price

£558

Round-trip from

£105
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 48% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From London Heathrow to Cardiff Wales
Search Deals

What is the cheapest day to fly round-trip from London Heathrow Airport to Cardiff?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 44% when planning your travel around this day of the week.

How far in advance should I book a flight from London Heathrow Airport to Cardiff?

Users have found that booking a flight from London Heathrow Airport to Cardiff at least 23 days early can save you up to 75% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Cardiff for as little as £78 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £563 for flights departing within the next 3 days.

What is the cheapest month to fly from London Heathrow Airport to Cardiff?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, May can be a great choice for travel to Cardiff. Flights to Cardiff from London Heathrow Airport in May are about £279 on average during May, but can be found for as low as £89.

When is the cheapest time to fly from London Heathrow Airport to Cardiff (LHR - CWL)?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cardiff in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the afternoon.

Cheap KLM flights from Heathrow to Cardiff

Explore cheap flight options specifically provided by KLM for the route between Heathrow and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.
Mon 1/720:55LHR - CWL
1 stop12h 20mKLM
Fri 5/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£214
Wed 29/520:55LHR - CWL
1 stop12h 20mKLM
Wed 5/609:45CWL - LHR
1 stop6h 30mKLM
Deal found 29/4£215
Tue 28/520:55LHR - CWL
1 stop12h 20mKLM
Tue 4/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£228
Fri 12/706:30LHR - CWL
1 stop10h 15mKLM
Sun 14/709:45CWL - LHR
1 stop9h 45mKLM
Deal found 29/4£246
Sat 21/906:30LHR - CWL
1 stop10h 15mKLM
Sun 22/909:45CWL - LHR
1 stop6h 30mKLM
Deal found 28/4£255
Thu 6/608:40LHR - CWL
1 stop8h 05mKLM
Sun 9/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 27/4£272
Wed 22/511:45LHR - CWL
1 stop5h 00mKLM
Thu 30/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 29/4£283
Thu 9/520:55LHR - CWL
1 stop12h 20mKLM
Thu 16/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£300
Sat 18/506:30LHR - CWL
1 stop10h 15mKLM
Sun 19/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 28/4£306

Cheap Heathrow to Cardiff flights in April & May 2024

Find cheap flight options from Heathrow to Cardiff specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 927,560 searches. Prices were last updated on 29 April 2024.
Wed 29/520:55LHR - CWL
1 stop12h 20mKLM
Wed 5/609:45CWL - LHR
1 stop6h 30mKLM
Deal found 29/4£215
Tue 28/520:55LHR - CWL
1 stop12h 20mKLM
Tue 4/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£228
Mon 27/520:55LHR - CWL
1 stop12h 20mKLM
Fri 31/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£252
Wed 22/511:45LHR - CWL
1 stop5h 00mKLM
Thu 30/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 29/4£283
Thu 9/520:55LHR - CWL
1 stop12h 20mKLM
Thu 16/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£300
Sat 18/506:30LHR - CWL
1 stop10h 15mKLM
Sun 19/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 28/4£306
Wed 29/517:50LHR - CWL
3 stops15h 25mMultiple Airlines
Wed 5/609:45CWL - LHR
3 stops11h 50mMultiple Airlines
Deal found 29/4£348
Wed 29/513:45LHR - CWL
3 stops19h 30mMultiple Airlines
Wed 5/613:25CWL - LHR
2 stops19h 50mMultiple Airlines
Deal found 29/4£366
Wed 29/507:25LHR - CWL
2 stops25h 50mMultiple Airlines
Wed 5/613:25CWL - LHR
2 stops19h 50mMultiple Airlines
Deal found 29/4£380

Heathrow to Cardiff 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Cardiff in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.
Mon 1/720:55LHR - CWL
1 stop12h 20mKLM
Fri 5/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£214
Wed 29/520:55LHR - CWL
1 stop12h 20mKLM
Wed 5/609:45CWL - LHR
1 stop6h 30mKLM
Deal found 29/4£215
Tue 28/520:55LHR - CWL
1 stop12h 20mKLM
Tue 4/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£228
Fri 12/706:30LHR - CWL
1 stop10h 15mKLM
Sun 14/709:45CWL - LHR
1 stop9h 45mKLM
Deal found 29/4£246
Mon 27/520:55LHR - CWL
1 stop12h 20mKLM
Fri 31/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£252
Sat 21/906:30LHR - CWL
1 stop10h 15mKLM
Sun 22/909:45CWL - LHR
1 stop6h 30mKLM
Deal found 28/4£255
Thu 6/608:40LHR - CWL
1 stop8h 05mKLM
Sun 9/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 27/4£272
Wed 22/511:45LHR - CWL
1 stop5h 00mKLM
Thu 30/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 29/4£283
Thu 9/520:55LHR - CWL
1 stop12h 20mKLM
Thu 16/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£300

Heathrow to Cardiff flights leaving soon

Find last-minute flight options from Heathrow to Cardiff for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.
Thu 9/520:55LHR - CWL
1 stop12h 20mKLM
Thu 16/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 29/4£300
Sat 4/507:35LHR - CWL
1 stop5h 05mMultiple Airlines
Sun 5/512:00CWL - LHR
1 stop5h 10mMultiple Airlines
Deal found 29/4£604
Wed 8/506:15LHR - CWL
2 stops27h 00mMultiple Airlines
Wed 15/509:45CWL - LHR
2 stops11h 40mMultiple Airlines
Deal found 27/4£623
Wed 8/506:15LHR - CWL
2 stops10h 30mMultiple Airlines
Wed 15/512:00CWL - LHR
1 stop9h 00mMultiple Airlines
Deal found 27/4£629
Sun 5/513:45LHR - CWL
1 stop18h 15mMultiple Airlines
Mon 6/514:30CWL - LHR
1 stop7h 55mMultiple Airlines
Deal found 28/4£631
Tue 7/511:45LHR - CWL
1 stop5h 00mKLM
Wed 8/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 28/4£820

One-way flights to Cardiff from Heathrow

Search for one-way flight options from Heathrow to Cardiff. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.
Thu 16/522:00LHR - CWL
2 stops38h 40mMultiple Airlines
Deal found 29/4£133
Tue 28/521:35LHR - CWL
2 stops13h 55mMultiple Airlines
Deal found 28/4£134
Tue 28/519:25LHR - CWL
1 stop16h 05mMultiple Airlines
Deal found 28/4£147
Fri 31/522:00LHR - CWL
2 stops14h 40mMultiple Airlines
Deal found 29/4£150
Fri 31/520:55LHR - CWL
1 stop12h 20mKLM
Deal found 29/4£176
Thu 16/507:30LHR - CWL
1 stop24h 30mMultiple Airlines
Deal found 29/4£178
Sat 19/1017:10LHR - CWL
1 stop23h 35mKLM
Deal found 29/4£186
Sat 19/1018:35LHR - CWL
1 stop14h 40mKLM
Deal found 29/4£187
Sat 18/521:45LHR - CWL
2 stops34h 15mMultiple Airlines
Deal found 28/4£208

Find flights from Heathrow to Cardiff within your budget

Customise your flight search to find flights from Heathrow to Cardiff 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, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£214 - £503

Route

Depart

Return

Price

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Mon 1/7

1 stop12h 20m

Cardiff Wales

Fri 5/7

1 stop3h 40m

£214

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 29/5

1 stop12h 20m

Cardiff Wales

Wed 5/6

1 stop6h 30m

£215

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 28/5

1 stop12h 20m

Cardiff Wales

Tue 4/6

1 stop3h 40m

£228

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 12/7

1 stop10h 15m

Cardiff Wales

Sun 14/7

1 stop9h 45m

£246

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Sat 21/9

1 stop10h 15m

Cardiff Wales

Sun 22/9

1 stop6h 30m

£255

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Thu 6/6

1 stop8h 05m

Cardiff Wales

Sun 9/6

1 stop3h 40m

£272

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 29/5

3 stops15h 25m

Cardiff Wales

Wed 5/6

3 stops11h 50m

£348

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 29/5

3 stops19h 30m

Cardiff Wales

Wed 5/6

2 stops19h 50m

£366

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 2/8

1 stop22h 20m

Cardiff Wales

Sun 4/8

1 stop9h 00m

£503

Flights are sorted by cheapest first

Deals found on 29/4

When is the cheapest time to fly from London Heathrow Airport to Cardiff?

Use this chart to determine the cheapest time to fly return from Heathrow to Cardiff. Price data was last updated on 28 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Cardiff flight should consider departing on Monday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Cardiff by month

Plan your trip from Heathrow to Cardiff by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Cardiff is currently £167 while a return flight costs £294. Price data was last updated on 21 April 2024.

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Cardiff (average of £131). Flying from London Heathrow Airport to Cardiff in February is currently the most expensive (average of £199). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£122

February

£159

March

£136

April

£140

May

£149

June

£129

July

£126

August

£134

September

£116

October

£105

November

£108

December

£157

Temperature and rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature and rainfall totals by month.

CWL

Temperature

4 - 18 °C

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 29 April 2024.
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,618 reviews
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.6
Good
1,798 reviews
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Aer Lingus
7.2
Good
1,346 reviews
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Cardiff Wales (CWL) if they book a flight to Cardiff from London Heathrow. On average, Cardiff Wales has 3 inbound flights from London Heathrow per day from 1 airline. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • Can I find flights from London Heathrow Airport to Cardiff for under £300 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Cardiff for under £300. The cheapest flight booked recently is on KLM for just £214, but on average you can expect to pay £321.

  • Are there last-minute flights available from London Heathrow Airport to Cardiff for under £300?

    There are currently 6+ open flights from London Heathrow Airport to Cardiff within the next 7 days for less than £300.

  • What are the cheapest airlines flying from London Heathrow Airport to Cardiff round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Cardiff round-trip from £214. Another airline that can offer you cheap pricing is Aer Lingus. Users have found that KLM is 43% cheaper than the other options available to this destination.

  • What does LHR to CWL mean?

    This is defined as London Heathrow Airport (LHR) and Cardiff Wales Airport (CWL). Codes like Cardiff Wales Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Heathrow to Cardiff that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Cardiff flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Cardiff with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Cardiff flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Heathrow to Cardiff that allow pets onboard?

    Many airlines flying from Heathrow to Cardiff offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Cardiff?

    Yes, you can often find last-minute deals on Heathrow to Cardiff flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Cardiff flight deals updated?

    The London Heathrow Airport to Cardiff flight deals you see on this page were last updated on 29/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.

London City to Cardiff flights
Gatwick to Cardiff flights
Luton to Cardiff flights
Stansted to Cardiff flights
Southend to Cardiff flights

Top airline flying from Heathrow to Cardiff

Discover the top airline that operate flights from Heathrow to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 29 April 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£212Average£334FlexibilityNo cancel feeOn-time75%
Search KLM flights
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Search flights from Heathrow to Cardiff by cabin class

Find flights from Heathrow to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Hourly flight availability from Heathrow to Cardiff

Find hourly flight availability from Heathrow to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2024.
1%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
38%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Heathrow to Cardiff

Explore weekly flight availability from Heathrow to Cardiff. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2024.
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights
Sunday3daily flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Heathrow to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Cardiff by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Cardiff from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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