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Cheap flights from London Heathrow Airport to Cardiff from £114

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 15/7. 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
18 Jun — 25 Jun1
1 adult
Tue 18/6
Tue 25/6

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 13 June 2024.

Popular in

May

Cheapest in

November

Average price

£289

Round-trip from

£101
High demand for flights, 33% potential price rise
Best time to find cheap flights, 36% potential price drop
Average for round-trip flights in June 2024
From London Heathrow to Cardiff Wales

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 16% when planning your travel around this day of the week.

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 May. For low rates, April can be a great choice for travel to Cardiff. Flights to Cardiff from London Heathrow Airport in April are about £313 on average during April, but can be found for as low as £200.

What is the cheapest time of day to fly from LHR to CWL?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cardiff at midday. 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 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 1,007,911 searches. Data last updated 13 June 2024.
Check out some of the cheapest Aer Lingus flights we've come across from London to Cardiff. Come back soon if you're not finding the exact deal you're looking for.
Sun 14/715:30LHR - CWL
1 stop20h 00mAer Lingus
Tue 16/712:00CWL - LHR
1 stop20h 15mAer Lingus
Deal found 12/6£488
Fri 12/719:20LHR - CWL
1 stop17h 20mAer Lingus
Fri 19/712:00CWL - LHR
1 stop7h 45mAer Lingus
Deal found 12/6£542
Tue 18/618:10LHR - CWL
3 stops41h 20mAer Lingus
Tue 25/612:00CWL - LHR
3 stops33h 35mAer Lingus
Deal found 12/6£615

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 1,007,911 searches. Data last updated 13 June 2024.
To aid your search, here are some of the cheapest KLM 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.
Tue 10/920:55LHR - CWL
1 stop12h 20mKLM
Tue 17/909:45CWL - LHR
1 stop11h 10mKLM
Deal found 12/6£200
Tue 26/1110:00LHR - CWL
1 stop6h 55mKLM
Sat 30/1117:25CWL - LHR
1 stop3h 25mKLM
Deal found 12/6£201
Sun 6/1006:30LHR - CWL
1 stop10h 15mKLM
Wed 9/1009:45CWL - LHR
1 stop6h 30mKLM
Deal found 13/6£212
Fri 9/820:55LHR - CWL
1 stop12h 20mKLM
Fri 16/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£225
Tue 9/720:55LHR - CWL
1 stop12h 20mKLM
Tue 16/709:45CWL - LHR
1 stop7h 50mKLM
Deal found 12/6£237
Fri 29/1117:50LHR - CWL
1 stop3h 50mKLM
Sun 1/1210:15CWL - LHR
1 stop9h 00mKLM
Deal found 13/6£239
Thu 1/806:30LHR - CWL
1 stop10h 15mKLM
Thu 8/809:45CWL - LHR
1 stop9h 40mKLM
Deal found 12/6£252
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£266
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£267

Cheap Heathrow to Cardiff flights in June & July 2024

Find cheap flight options from Heathrow to Cardiff specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,007,911 searches. Prices were last updated on 13 June 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 13/6£267
Fri 28/620:55LHR - CWL
1 stop12h 20mKLM
Thu 4/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£345
Thu 20/620:55LHR - CWL
1 stop12h 20mKLM
Sat 22/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£358
Wed 24/708:40LHR - CWL
1 stop8h 05mKLM
Thu 25/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£376
Thu 27/620:55LHR - CWL
1 stop12h 20mKLM
Thu 4/709:45CWL - LHR
1 stop7h 50mKLM
Deal found 13/6£383
Mon 15/720:55LHR - CWL
1 stop12h 20mKLM
Tue 16/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£409
Mon 15/720:55LHR - CWL
1 stop12h 20mKLM
Wed 17/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£445
Sat 22/608:40LHR - CWL
1 stop8h 05mKLM
Mon 24/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£464
Thu 4/719:15LHR - CWL
1 stop14h 00mKLM
Tue 9/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£465

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 1,007,911 searches. Data last updated 13 June 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 11/907:45LHR - CWL
1 stop3h 45mMultiple Airlines
Wed 18/912:00CWL - LHR
1 stop9h 00mMultiple Airlines
Deal found 13/6£196
Sun 6/1006:30LHR - CWL
1 stop10h 15mKLM
Wed 9/1009:45CWL - LHR
1 stop6h 30mKLM
Deal found 13/6£212
Fri 9/820:55LHR - CWL
1 stop12h 20mKLM
Fri 16/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£225
Fri 13/1208:25LHR - CWL
1 stop7h 20mMultiple Airlines
Fri 20/1216:10CWL - LHR
1 stop5h 45mMultiple Airlines
Deal found 13/6£226
Fri 29/1117:50LHR - CWL
1 stop3h 50mKLM
Sun 1/1210:15CWL - LHR
1 stop9h 00mKLM
Deal found 13/6£239
Wed 26/620:55LHR - CWL
1 stop12h 20mKLM
Wed 3/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£267
Fri 13/1220:25LHR - CWL
1 stop13h 20mKLM
Fri 20/1217:25CWL - LHR
1 stop3h 25mKLM
Deal found 13/6£292
Fri 28/620:55LHR - CWL
1 stop12h 20mKLM
Thu 4/717:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£345
Thu 20/620:55LHR - CWL
1 stop12h 20mKLM
Sat 22/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£358

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 1,007,911 searches. Data last updated 13 June 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.
Thu 20/620:55LHR - CWL
1 stop12h 20mKLM
Sat 22/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£358
Tue 18/620:55LHR - CWL
1 stop12h 20mKLM
Tue 25/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£376
Thu 20/620:55LHR - CWL
1 stop12h 20mKLM
Sat 22/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 12/6£382
Sat 22/608:40LHR - CWL
1 stop8h 05mKLM
Mon 24/617:15CWL - LHR
1 stop3h 40mKLM
Deal found 13/6£464
Tue 18/606:15LHR - CWL
2 stops10h 30mAir France
Tue 25/609:45CWL - LHR
2 stops11h 40mAir France
Deal found 12/6£481
Tue 18/610:00LHR - CWL
3 stops30h 15mMultiple Airlines
Tue 25/620:15CWL - LHR
2 stops25h 20mMultiple Airlines
Deal found 12/6£593
Sat 22/607:35LHR - CWL
1 stop5h 05mMultiple Airlines
Mon 24/613:00CWL - LHR
2 stops20h 10mMultiple Airlines
Deal found 13/6£606
Sat 22/621:10LHR - CWL
2 stops23h 00mMultiple Airlines
Mon 24/613:00CWL - LHR
2 stops20h 10mMultiple Airlines
Deal found 13/6£610
Tue 18/618:10LHR - CWL
3 stops41h 20mAer Lingus
Tue 25/612:00CWL - LHR
3 stops33h 35mAer Lingus
Deal found 12/6£615

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 1,007,911 searches. Data last updated 13 June 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.
Mon 15/706:45LHR - CWL
1 stop7h 40mMultiple Airlines
Deal found 13/6£114
Tue 20/807:35LHR - CWL
1 stop3h 55mMultiple Airlines
Deal found 11/6£132
Tue 20/821:35LHR - CWL
2 stops13h 55mMultiple Airlines
Deal found 11/6£132
Mon 15/706:50LHR - CWL
1 stop7h 35mMultiple Airlines
Deal found 13/6£135
Tue 9/711:30LHR - CWL
1 stop20h 30mMultiple Airlines
Deal found 12/6£160
Mon 24/621:40LHR - CWL
2 stops37h 50mMultiple Airlines
Deal found 13/6£167
Sun 6/1020:55LHR - CWL
1 stop12h 20mKLM
Deal found 12/6£174
Mon 15/714:30LHR - CWL
2 stops18h 45mMultiple Airlines
Deal found 13/6£196
Mon 24/606:45LHR - CWL
1 stop7h 40mMultiple Airlines
Deal found 13/6£200

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 1,007,911 searches. Data last updated 13 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£196 - £519

Route

Depart

Return

Price

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Wed 11/9

1 stop3h 45m

Cardiff Wales

Wed 18/9

1 stop9h 00m

£196

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 10/9

1 stop12h 20m

Cardiff Wales

Tue 17/9

1 stop11h 10m

£200

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 26/11

1 stop6h 55m

Cardiff Wales

Sat 30/11

1 stop3h 25m

£201

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Sun 6/10

1 stop10h 15m

Cardiff Wales

Wed 9/10

1 stop6h 30m

£212

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 9/8

1 stop12h 20m

Cardiff Wales

Fri 16/8

1 stop3h 40m

£225

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Tue 9/7

1 stop12h 20m

Cardiff Wales

Tue 16/7

1 stop7h 50m

£237

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 20/9

1 stop3h 50m

Cardiff Wales

Mon 23/9

1 stop7h 50m

£305

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Sun 14/7

1 stop20h 00m

Cardiff Wales

Tue 16/7

1 stop20h 15m

£488

London HeathrowCardiff Wales

LHR - CWL

LHRCWL

London Heathrow

Fri 12/7

2 stops10h 30m

Cardiff Wales

Fri 19/7

2 stops8h 50m

£519

Flights are sorted by cheapest first

Deals found on 13/6

What is the cheapest day 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 9 June 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Heathrow to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 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 13 June 2024.
See what other customers who have flown with Aer Lingus, KLM and Air France 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.
7.9
Good
1,461 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.9

Entertainment

7.2

Comfort

7.7

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.

7.9
Good
1,461 reviews
7.9
Good
1,461 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.9

Entertainment

7.2

Comfort

7.7

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.

7.5
Good
1,698 reviews
7.9
Good
1,461 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.9

Entertainment

7.2

Comfort

7.7

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.

7.2
Good
1,274 reviews
7.9
Good
1,461 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.9

Entertainment

7.2

Comfort

7.7

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 Multiple Airlines for just £196, but on average you can expect to pay £295.

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

    There are currently 15+ open flights from London Heathrow Airport to Cardiff within the next 7 days for less than £400.

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

    Cheapflights users have booked flights from London Heathrow Airport to Cardiff round-trip from £200. Users have found that KLM is 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Cardiff one-way?

    One-way options have recently been found by users for as low as £174 on KLM. Other airlines that offer cheap prices include Aer Lingus from £380 and Loganair from £551 one-way.

  • 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 13/6.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cardiff?

    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 June is currently the most expensive (average of £205). 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.

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 1,007,911 searches. Data last updated 13 June 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£207Average£327FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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 13 June 2024.
1%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
37%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 13 June 2024.
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights
Sunday3daily flights

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.