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Cheap flights from London Heathrow Airport to Cardiff from £112

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 5/6. 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
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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 16 May 2024.

Popular in

July

Cheapest in

November

Average price

£484

Round-trip from

£102
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 37% potential price drop
Search Deals
Average for round-trip flights in May 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 30% 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 29 days early can save you up to 92% on average compared to booking a flight this week. If booking 29 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Cardiff for as little as £107 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 £548 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 April. For low rates, May can be a great choice for travel to Cardiff. Flights to Cardiff from London Heathrow Airport in May are about £304 on average during May, but can be found for as low as £111.

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 19% 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 844,321 searches. Data last updated 16 May 2024.
Check out some of the cheapest KLM flights we've come across from London to Cardiff. Come back soon if you're not finding the exact deal you're looking for.
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£200
Wed 14/820:55LHR - CWL
1 stop12h 20mKLM
Wed 21/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£200
Thu 5/920:55LHR - CWL
1 stop12h 20mKLM
Tue 10/917:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£201
Fri 16/820:55LHR - CWL
1 stop12h 20mKLM
Tue 20/809:45CWL - LHR
1 stop6h 30mKLM
Deal found 16/5£241
Sat 22/608:40LHR - CWL
1 stop8h 05mKLM
Tue 25/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£269
Thu 13/620:55LHR - CWL
1 stop12h 20mKLM
Thu 20/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£303
Thu 30/520:55LHR - CWL
1 stop12h 20mKLM
Thu 6/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£344
Tue 16/720:55LHR - CWL
1 stop12h 20mKLM
Fri 19/709:45CWL - LHR
1 stop7h 50mKLM
Deal found 16/5£346
Sat 27/708:40LHR - CWL
1 stop8h 05mKLM
Wed 31/709:45CWL - LHR
1 stop4h 05mKLM
Deal found 16/5£376

Cheap Aer Lingus flights from Heathrow to Cardiff

Explore cheap flight options specifically provided by Aer Lingus 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 844,321 searches. Data last updated 16 May 2024.
To aid your search, here are some of the cheapest Aer Lingus flights we've found from London to Cardiff. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 17/606:45LHR - CWL
3 stops28h 45mAer Lingus
Wed 19/612:00CWL - LHR
3 stops33h 35mAer Lingus
Deal found 16/5£768
Mon 17/606:45LHR - CWL
3 stops28h 45mAer Lingus
Wed 19/612:00CWL - LHR
3 stops33h 35mAer Lingus
Deal found 16/5£769
Sat 15/619:25LHR - CWL
1 stop16h 05mAer Lingus
Sat 22/613:10CWL - LHR
1 stop7h 05mAer Lingus
Deal found 16/5£811

Cheap Heathrow to Cardiff flights in May & June 2024

Find cheap flight options from Heathrow to Cardiff specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 16 May 2024.
These are some of the best deals we've found on flights to Cardiff in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£200
Thu 6/611:45LHR - CWL
1 stop5h 00mKLM
Thu 13/609:45CWL - LHR
1 stop4h 05mKLM
Deal found 15/5£268
Thu 13/620:55LHR - CWL
1 stop12h 20mKLM
Thu 20/609:45CWL - LHR
1 stop9h 40mKLM
Deal found 15/5£269
Tue 25/607:35LHR - CWL
1 stop3h 55mMultiple Airlines
Thu 27/612:00CWL - LHR
2 stops10h 45mMultiple Airlines
Deal found 15/5£272
Fri 14/620:55LHR - CWL
1 stop12h 20mKLM
Fri 21/617:15CWL - LHR
1 stop14h 25mKLM
Deal found 15/5£288
Fri 14/611:45LHR - CWL
1 stop5h 00mKLM
Sat 15/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£289
Thu 13/620:55LHR - CWL
1 stop12h 20mKLM
Thu 20/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£303
Thu 30/520:55LHR - CWL
1 stop12h 20mKLM
Thu 6/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£318
Tue 28/507:35LHR - CWL
1 stop3h 55mMultiple Airlines
Wed 29/512:00CWL - LHR
1 stop20h 00mMultiple Airlines
Deal found 15/5£337

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 844,321 searches. Data last updated 16 May 2024.
These are some of the best deals we've found on flights to Cardiff in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£200
Wed 14/820:55LHR - CWL
1 stop12h 20mKLM
Wed 21/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£200
Thu 5/920:55LHR - CWL
1 stop12h 20mKLM
Tue 10/917:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£201
Fri 15/1120:25LHR - CWL
1 stop13h 20mKLM
Fri 22/1117:25CWL - LHR
1 stop3h 25mKLM
Deal found 16/5£213
Fri 16/820:55LHR - CWL
1 stop12h 20mKLM
Tue 20/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£224
Fri 16/820:55LHR - CWL
1 stop12h 20mKLM
Tue 20/809:45CWL - LHR
1 stop6h 30mKLM
Deal found 16/5£241
Thu 6/611:45LHR - CWL
1 stop5h 00mKLM
Thu 13/609:45CWL - LHR
1 stop4h 05mKLM
Deal found 15/5£268
Thu 13/620:55LHR - CWL
1 stop12h 20mKLM
Thu 20/609:45CWL - LHR
1 stop9h 40mKLM
Deal found 15/5£269
Tue 25/607:35LHR - CWL
1 stop3h 55mMultiple Airlines
Thu 27/612:00CWL - LHR
2 stops10h 45mMultiple Airlines
Deal found 15/5£272

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 844,321 searches. Data last updated 16 May 2024.
Have a look at some of the flights available from London to Cardiff departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 24/509:55LHR - CWL
1 stop6h 50mKLM
Wed 29/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£497
Fri 24/509:55LHR - CWL
1 stop6h 50mKLM
Mon 27/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£563
Fri 24/509:55LHR - CWL
1 stop6h 50mKLM
Mon 27/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 15/5£592
Tue 21/515:05LHR - CWL
1 stop4h 40mMultiple Airlines
Wed 22/512:00CWL - LHR
1 stop9h 00mMultiple Airlines
Deal found 15/5£801
Sat 25/506:30LHR - CWL
1 stop10h 15mKLM
Mon 27/509:45CWL - LHR
1 stop7h 50mKLM
Deal found 15/5£830
Sat 25/517:10LHR - CWL
1 stop16h 05mKLM
Sun 26/517:15CWL - LHR
1 stop17h 30mKLM
Deal found 16/5£921
Tue 21/520:55LHR - CWL
1 stop12h 20mKLM
Wed 22/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 16/5£976

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 844,321 searches. Data last updated 16 May 2024.
Some of the best available deals we've found on one-way flights from London to Cardiff. Users needing a return flight from London to Cardiff should utilize the search form above.
Wed 5/616:05LHR - CWL
1 stop19h 25mMultiple Airlines
Deal found 16/5£112
Wed 5/621:35LHR - CWL
2 stops13h 55mMultiple Airlines
Deal found 16/5£117
Sat 17/807:35LHR - CWL
1 stop5h 05mMultiple Airlines
Deal found 16/5£151
Thu 23/522:00LHR - CWL
2 stops38h 40mMultiple Airlines
Deal found 16/5£199
Wed 7/820:55LHR - CWL
1 stop12h 20mKLM
Deal found 15/5£281
Thu 23/516:40LHR - CWL
3 stops15h 20mMultiple Airlines
Deal found 16/5£329
Thu 23/507:30LHR - CWL
1 stop24h 30mMultiple Airlines
Deal found 16/5£353
Wed 5/607:25LHR - CWL
3 stops9h 20mMultiple Airlines
Deal found 16/5£387
Wed 7/814:20LHR - CWL
2 stops29h 25mMultiple Airlines
Deal found 15/5£469

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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£200 - £768

Route

Depart

Return

Price

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 26/6

1 stop12h 20m

Cardiff Wales

Wed 3/7

1 stop3h 40m

£200

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 14/8

1 stop12h 20m

Cardiff Wales

Wed 21/8

1 stop3h 40m

£200

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Thu 5/9

1 stop12h 20m

Cardiff Wales

Tue 10/9

1 stop3h 40m

£201

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 16/8

1 stop12h 20m

Cardiff Wales

Tue 20/8

1 stop6h 30m

£241

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Sat 22/6

1 stop8h 05m

Cardiff Wales

Tue 25/6

1 stop3h 40m

£269

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Thu 13/6

1 stop12h 20m

Cardiff Wales

Thu 20/6

1 stop3h 40m

£303

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Mon 17/6

3 stops28h 45m

Cardiff Wales

Wed 19/6

2 stops22h 05m

£426

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Sat 15/6

2 stops10h 30m

Cardiff Wales

Sat 22/6

2 stops14h 45m

£536

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Mon 17/6

3 stops28h 45m

Cardiff Wales

Wed 19/6

3 stops33h 35m

£768

Flights are sorted by cheapest first

Deals found on 16/5

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 12 May 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 £266 while a return flight costs £349. Price data was last updated on 12 May 2024.

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Cardiff (average of £129). 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

£120

February

£157

March

£134

April

£140

May

£152

June

£140

July

£131

August

£133

September

£116

October

£102

November

£107

December

£155

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 16 May 2024.
See what other customers who have flown with KLM and Aer Lingus from London to Cardiff have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.9

Food

7.3

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
1,568 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.9

Food

7.3

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
1,764 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.9

Food

7.3

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
1,334 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.9

Food

7.3

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 £200 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Cardiff for under £200. The cheapest flight booked recently is on KLM for just £200, but on average you can expect to pay £392.

  • Are there last-minute flights available from London Heathrow Airport to Cardiff for under £500?

    There are currently 7+ open flights from London Heathrow Airport to Cardiff within the next 7 days for less than £500.

  • 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 £200. Other airlines that can offer you cheap pricing are Air France, from £536, and Aer Lingus, from £768. Users have found that KLM is 39% 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 16/5.

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.

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 844,321 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£209Average£329FlexibilityNo cancel feeOn-time75%
Search KLM flights
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London to Edinburgh flights
London Heathrow Airport to Cox’s Bāzār flights

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 16 May 2024.
1%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
34%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 16 May 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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