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Cheap flights from London Heathrow Airport to Cardiff from £205

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/9. 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
29 Apr — 6 May1
1 adult
Mon 29/4
Mon 6/5

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 24 April 2024.

Popular in

April

Cheapest in

March

Average price

£562

Round-trip from

£106
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 48% potential price drop
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Average for round-trip flights in April 2024
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From London Heathrow to Cardiff Wales
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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 £567 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 £282 on average during May, but can be found for as low as £90.

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 935,178 searches. Data last updated 24 April 2024.
Mon 1/720:55LHR - CWL
1 stop12h 20mKLM
Fri 5/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 22/4£215
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£215
Wed 22/509:55LHR - CWL
1 stop6h 50mKLM
Wed 29/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£227
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 22/4£240
Mon 8/720:55LHR - CWL
1 stop12h 20mKLM
Sun 14/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£260
Tue 7/511:45LHR - CWL
1 stop5h 00mKLM
Tue 14/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£268
Thu 23/520:55LHR - CWL
1 stop12h 20mKLM
Thu 30/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 23/4£282
Fri 14/608:40LHR - CWL
1 stop8h 05mKLM
Sat 15/609:45CWL - LHR
1 stop6h 30mKLM
Deal found 23/4£293
Tue 30/420:55LHR - CWL
1 stop12h 20mKLM
Tue 7/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£320

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 935,178 searches. Prices were last updated on 24 April 2024.
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£215
Wed 22/509:55LHR - CWL
1 stop6h 50mKLM
Wed 29/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£227
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 22/4£240
Tue 7/511:45LHR - CWL
1 stop5h 00mKLM
Tue 14/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£268
Thu 23/520:55LHR - CWL
1 stop12h 20mKLM
Thu 30/509:45CWL - LHR
1 stop6h 30mKLM
Deal found 23/4£282
Tue 30/420:55LHR - CWL
1 stop12h 20mKLM
Tue 7/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£320
Thu 23/509:55LHR - CWL
1 stop6h 50mKLM
Thu 30/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 24/4£322
Tue 30/420:55LHR - CWL
1 stop12h 20mKLM
Tue 7/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£347
Sun 28/420:55LHR - CWL
1 stop12h 20mKLM
Sun 5/509:45CWL - LHR
1 stop9h 45mKLM
Deal found 23/4£363

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 935,178 searches. Data last updated 24 April 2024.
Thu 26/920:55LHR - CWL
1 stop12h 20mKLM
Mon 30/909:45CWL - LHR
1 stop7h 50mKLM
Deal found 24/4£205
Mon 1/720:55LHR - CWL
1 stop12h 20mKLM
Fri 5/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 22/4£215
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£215
Wed 22/509:55LHR - CWL
1 stop6h 50mKLM
Wed 29/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£227
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Tue 28/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£240
Thu 29/820:55LHR - CWL
1 stop12h 20mKLM
Sun 1/909:45CWL - LHR
1 stop4h 05mKLM
Deal found 24/4£244
Mon 8/720:55LHR - CWL
1 stop12h 20mKLM
Sun 14/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£260
Tue 7/511:45LHR - CWL
1 stop5h 00mKLM
Tue 14/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£268
Thu 23/520:55LHR - CWL
1 stop12h 20mKLM
Thu 30/509:45CWL - LHR
1 stop6h 30mKLM
Deal found 23/4£282

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 935,178 searches. Data last updated 24 April 2024.
Tue 30/420:55LHR - CWL
1 stop12h 20mKLM
Tue 7/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 23/4£320
Tue 30/420:55LHR - CWL
1 stop12h 20mKLM
Tue 7/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 24/4£347
Wed 1/507:45LHR - CWL
1 stop3h 45mMultiple Airlines
Wed 1/514:30CWL - LHR
1 stop8h 05mMultiple Airlines
Deal found 23/4£438
Tue 30/406:55LHR - CWL
1 stop8h 45mMultiple Airlines
Tue 7/514:30CWL - LHR
1 stop6h 20mMultiple Airlines
Deal found 23/4£449
Wed 1/507:45LHR - CWL
1 stop3h 45mMultiple Airlines
Wed 1/514:30CWL - LHR
1 stop3h 40mMultiple Airlines
Deal found 23/4£511

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 935,178 searches. Data last updated 24 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£215 - £761

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

£215

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 21/5

1 stop12h 20m

Cardiff Wales

Tue 28/5

1 stop3h 40m

£215

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 22/5

1 stop6h 50m

Cardiff Wales

Wed 29/5

1 stop3h 40m

£227

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 21/5

1 stop12h 20m

Cardiff Wales

Tue 28/5

1 stop3h 40m

£240

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Mon 8/7

1 stop12h 20m

Cardiff Wales

Sun 14/7

1 stop3h 40m

£260

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 7/5

1 stop5h 00m

Cardiff Wales

Tue 14/5

1 stop3h 40m

£268

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Thu 23/5

2 stops10h 30m

Cardiff Wales

Thu 30/5

2 stops11h 40m

£438

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 7/5

2 stops6h 20m

Cardiff Wales

Tue 14/5

1 stop8h 10m

£529

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 17/5

1 stop17h 20m

Cardiff Wales

Sun 19/5

1 stop6h 55m

£761

Flights are sorted by cheapest first

Deals found on 22/4

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 21 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.
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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 £0 while a return flight costs £350. 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

£123

February

£161

March

£137

April

£141

May

£150

June

£130

July

£127

August

£136

September

£117

October

£106

November

£109

December

£158

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 24 April 2024.
KLM
7.9
Good
1,629 reviews
Check prices

Crew

8.4

Entertainment

7.3

Comfort

7.6

Boarding

7.8

Overall

7.9

Food

7.3

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
1,629 reviews
KLM
7.9
Good
1,629 reviews
Check prices

Crew

8.4

Entertainment

7.3

Comfort

7.6

Boarding

7.8

Overall

7.9

Food

7.3

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
1,813 reviews
KLM
7.9
Good
1,629 reviews
Check prices

Crew

8.4

Entertainment

7.3

Comfort

7.6

Boarding

7.8

Overall

7.9

Food

7.3

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
1,351 reviews
KLM
7.9
Good
1,629 reviews
Check prices

Crew

8.4

Entertainment

7.3

Comfort

7.6

Boarding

7.8

Overall

7.9

Food

7.3

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 £215, but on average you can expect to pay £419.

  • Are there last-minute flights available from London Heathrow Airport to Cardiff for under £400?

    There are currently 5+ open flights from London Heathrow Airport to Cardiff within the next 7 days for less than £400.

  • 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 £215. Other airlines that can offer you cheap pricing are Air France, from £438, and Aer Lingus, from £761. Users have found that KLM is 44% 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 24/4.

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.

Luton to Cardiff flights
Gatwick to Cardiff flights
Stansted 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 935,178 searches. Data last updated 24 April 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£213Average£337FlexibilityNo 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 24 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 24 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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