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Cheap flights from Cardiff to London Heathrow Airport from £159

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 22/5. 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.
CWL — LHR
5 May — 12 May1
1 adult
Sun 5/5
Sun 12/5

Cheap flight deals from Cardiff to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Heathrow (LHR). 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 30 April 2024.

Popular in

January

Cheapest in

December

Average price

£347

Round-trip from

£69
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 23% potential price drop
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Average for round-trip flights in April 2024
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From Cardiff Wales to London Heathrow
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What is the cheapest day to fly round-trip from Cardiff to London Heathrow Airport?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 77% on the overall cost on flights from Cardiff to London Heathrow Airport.

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

Flights from Cardiff to London Heathrow Airport lean towards being more expensive in September. Prices are generally better when you fly from Cardiff to London Heathrow Airport in June, with the cheapest ticket starting at £108.

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

A simple way to save on the total cost of your ticket is to fly from Cardiff to London Heathrow Airport at midday. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.

Cheap Cardiff to Heathrow flights in April & May 2024

Find cheap flight options from Cardiff to Heathrow 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 30 April 2024.
Tue 30/412:00CWL - LHR
1 stop8h 50mMultiple Airlines
Tue 7/519:25LHR - CWL
1 stop16h 05mMultiple Airlines
Deal found 29/4£377
Tue 28/512:00CWL - LHR
1 stop20h 15mAer Lingus
Tue 4/616:05LHR - CWL
1 stop19h 25mAer Lingus
Deal found 29/4£456
Tue 7/512:00CWL - LHR
1 stop8h 50mMultiple Airlines
Fri 10/518:05LHR - CWL
1 stop18h 35mMultiple Airlines
Deal found 29/4£470
Tue 30/409:45CWL - LHR
1 stop4h 05mMultiple Airlines
Tue 7/517:50LHR - CWL
2 stops22h 55mMultiple Airlines
Deal found 29/4£2,769

Cardiff to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Cardiff and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 927,560 searches. Data last updated 30 April 2024.
Thu 5/912:00CWL - LHR
1 stop7h 45mMultiple Airlines
Sat 7/907:35LHR - CWL
1 stop5h 05mMultiple Airlines
Deal found 29/4£337
Tue 30/412:00CWL - LHR
1 stop8h 50mMultiple Airlines
Tue 7/519:25LHR - CWL
1 stop16h 05mMultiple Airlines
Deal found 29/4£377
Tue 28/512:00CWL - LHR
1 stop20h 15mAer Lingus
Tue 4/616:05LHR - CWL
1 stop19h 25mAer Lingus
Deal found 29/4£456
Tue 7/512:00CWL - LHR
1 stop8h 50mMultiple Airlines
Fri 10/518:05LHR - CWL
1 stop18h 35mMultiple Airlines
Deal found 29/4£470
Tue 30/409:45CWL - LHR
1 stop4h 05mMultiple Airlines
Tue 7/517:50LHR - CWL
2 stops22h 55mMultiple Airlines
Deal found 29/4£2,769

Cardiff to Heathrow flights leaving soon

Find last-minute flight options from Cardiff to Heathrow 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 30 April 2024.
Tue 30/412:00CWL - LHR
1 stop8h 50mMultiple Airlines
Tue 7/519:25LHR - CWL
1 stop16h 05mMultiple Airlines
Deal found 29/4£377
Tue 7/512:00CWL - LHR
1 stop8h 50mMultiple Airlines
Fri 10/518:05LHR - CWL
1 stop18h 35mMultiple Airlines
Deal found 29/4£470
Tue 30/409:45CWL - LHR
1 stop4h 05mMultiple Airlines
Tue 7/517:50LHR - CWL
2 stops22h 55mMultiple Airlines
Deal found 29/4£2,769

One-way flights to Heathrow from Cardiff

Search for one-way flight options from Cardiff to Heathrow. 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 30 April 2024.
Wed 22/513:25CWL - LHR
2 stops19h 50mVueling
Deal found 28/4£159
Wed 22/513:25CWL - LHR
3 stops30h 20mMultiple Airlines
Deal found 28/4£198
Wed 22/512:00CWL - LHR
1 stop9h 00mAer Lingus
Deal found 28/4£213
Mon 27/509:45CWL - LHR
1 stop4h 05mKLM
Deal found 28/4£273
Tue 21/517:15CWL - LHR
1 stop14h 25mKLM
Deal found 28/4£313

Find flights from Cardiff to Heathrow within your budget

Customise your flight search to find flights from Cardiff to Heathrow 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 30 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£337 - £456

Route

Depart

Return

Price

Cardiff WalesLondon Heathrow

CWL - LHR

CWLLHR

Cardiff Wales

Thu 5/9

1 stop7h 45m

London Heathrow

Sat 7/9

1 stop5h 05m

£337

Cardiff WalesLondon Heathrow

CWL - LHR

CWLLHR

Cardiff Wales

Tue 28/5

1 stop20h 15m

London Heathrow

Tue 4/6

1 stop19h 25m

£456

Flights are sorted by cheapest first

Deals found on 29/4

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

Use this chart to determine the cheapest time to fly return from Cardiff to Heathrow. Price data was last updated on 28 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Cardiff to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday mornings 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 Heathrow by month

Plan your trip from Cardiff to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Cardiff to Heathrow is currently £231 while a return flight costs £397. Price data was last updated on 28 April 2024.

Currently, January is the cheapest month in which you can book a flight from Cardiff to London Heathrow Airport (average of £111). Flying from Cardiff to London Heathrow Airport in June is currently the most expensive (average of £171). 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

£89

February

£100

March

£95

April

£100

May

£110

June

£136

July

£136

August

£116

September

£110

October

£127

November

£92

December

£96

Temperature and rainfall in Heathrow by month

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

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 30 April 2024.
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Entertainment

7.2

Comfort

7.6

Crew

8.4

Overall

7.9

Boarding

7.8

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

Entertainment

7.2

Comfort

7.6

Crew

8.4

Overall

7.9

Boarding

7.8

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

Entertainment

7.2

Comfort

7.6

Crew

8.4

Overall

7.9

Boarding

7.8

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.

Vueling
7.0
Good
1,496 reviews
KLM
7.9
Good
1,618 reviews
Check prices

Food

7.3

Entertainment

7.2

Comfort

7.6

Crew

8.4

Overall

7.9

Boarding

7.8

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 Cardiff to Heathrow. 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 from for flights from Cardiff to London Heathrow?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to London Heathrow. On average, Cardiff Wales has 4 outbound flights to 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 Cardiff to London Heathrow Airport for under £400 on Cheapflights?

    Yes, there are multiple flights from Cardiff to London Heathrow Airport for under £400. The cheapest flight booked recently is on Multiple Airlines for just £337, but on average you can expect to pay £396.

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

    There are currently 3+ open flights from Cardiff to London Heathrow Airport within the next 7 days for less than £400.

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

    According to our current data, Aer Lingus (£456), offers the cheapest pricing from Cardiff to London Heathrow Airport.

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

    To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at £159 Aer Lingus flights start at £213 while deals on KLM start at £273 one-way.

  • What does CWL to LHR mean?

    Cardiff Wales Airport is CWL and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Cardiff to Heathrow 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 Cardiff to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cardiff to Heathrow 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 Cardiff to Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Heathrow 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 Cardiff to Heathrow that allow pets onboard?

    Many airlines flying from Cardiff to Heathrow 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 Cardiff to Heathrow?

    Yes, you can often find last-minute deals on Cardiff to Heathrow 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 Cardiff to London Heathrow Airport flight deals updated?

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

See more FAQs

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

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Top airline flying from Cardiff to Heathrow

Discover the top airline that operate flights from Cardiff to Heathrow. 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 30 April 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£199Average£269FlexibilityNo cancel feeOn-time75%
Search KLM flights
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Search flights from Cardiff to Heathrow by cabin class

Find flights from Cardiff to Heathrow, 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 Cardiff to Heathrow

Find hourly flight availability from Cardiff to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2024.
30%of flight departuresEarly morningMidnight to 6 am
42%of flight departuresMorning6 am to noon
23%of flight departuresAfternoonNoon to 6 pm
5%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Cardiff to Heathrow

Explore weekly flight availability from Cardiff to Heathrow. 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 30 April 2024.
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday4daily flights
Sunday4daily flights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Cardiff today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Heathrow from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Cardiff to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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