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LHR - CWL

£91 Find cheap flights from London Heathrow Airport to Cardiff

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Cardiff departing on 5/10. 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.
1 adult
0 bags
Tue 2/7
Tue 9/7

Search hundreds of travel sites at once for deals on flights to Cardiff

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Cardiff, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Cardiff, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,335,261 times on KAYAK, and here's why:

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Cheap flight deals from Heathrow to Cardiff (LHR-CWL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Cardiff that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
20:55 - 09:15LHR-CWL
12h 20m1 stop
17:15 - 20:55CWL-LHR
3h 40m1 stop
£200KLM
Find Deal
Thu, 29 Aug - Thu, 5 Sep
20:55 - 09:15LHR-CWL
12h 20m1 stop
09:45 - 13:50CWL-LHR
4h 05m1 stop
£201KLM
Find Deal
Fri, 30 Aug - Wed, 4 Sep
22:00 - 14:25LHR-CWL
16h 25m1 stop
15:00 - 21:35CWL-LHR
6h 35m1 stop
Sun, 30 Jun - Sun, 7 Jul
22:25 - 22:20LHR-CWL
23h 55m1 stop
15:00 - 21:35CWL-LHR
6h 35m1 stop
Fri, 14 Jun - Sun, 23 Jun
22:25 - 22:20LHR-CWL
23h 55m1 stop
15:00 - 20:55CWL-LHR
5h 55m1 stop
Fri, 14 Jun - Sun, 16 Jun
20:55 - 09:15LHR-CWL
12h 20m1 stop
17:15 - 20:55CWL-LHR
3h 40m1 stop
£253KLM
Find Deal
Wed, 26 Jun - Wed, 3 Jul
16:05 - 11:30LHR-CWL
19h 25m1 stop
12:00 - 17:40CWL-LHR
5h 40m1 stop
£535Aer Lingus
Find Deal
Tue, 11 Jun - Thu, 13 Jun
11:00 - 11:30LHR-CWL
24h 30m1 stop
12:00 - 21:00CWL-LHR
9h 00m1 stop
£567Aer Lingus
Find Deal
Sun, 30 Jun - Sun, 7 Jul
06:15 - 16:45LHR-CWL
10h 30m2 stops
09:45 - 21:25CWL-LHR
11h 40m2 stops
£572Air France
Find Deal
Sun, 30 Jun - Sun, 7 Jul
19:45 - 16:45LHR-CWL
21h 00m2 stops
17:15 - 08:00CWL-LHR
14h 45m2 stops
£603Air France
Find Deal
Fri, 14 Jun - Sun, 16 Jun

Flights from Heathrow to Cardiff - Travel Insights & Trends

Get data-powered insights and trends into flights from Heathrow to Cardiff to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from London Heathrow Airport to Cardiff?

The average price of all flights from London Heathrow Airport to Cardiff clicked on KAYAK for each day over the last 12 months.
When flying from London Heathrow Airport to Cardiff, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Saturdays and the most expensive ones on Tuesdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Heathrow Airport to Cardiff, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Heathrow Airport to Cardiff is November, where tickets cost £256 on average. On the other hand, the most expensive months are April and January, where the average cost of tickets is £470 and £349 respectively.

Which airlines provide the cheapest flights from London Heathrow Airport to Cardiff?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Cardiff from London Heathrow Airport were found on KLM (£174) and Aer Lingus (£217), and the lowest return tickets were found on KLM (£200) and Aer Lingus (£535).

Good to know - Cheap tickets from London Heathrow Airport to Cardiff

Low season

October

High season

February

Cheapest flight

£91
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from London Heathrow Airport to Cardiff

When to book flights from Heathrow to Cardiff

Are your dates flexible? Find out the best times to travel from Heathrow to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Cardiff flights

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

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Cardiff was £116 for a one-way ticket and £255 for a return.

  • Which aircraft models fly most regularly from London Heathrow Airport to Cardiff?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to Cardiff?

    SkyTeam is the only airline alliance operating flights between London Heathrow Airport and Cardiff.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Cardiff?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Cardiff.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Cardiff?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Cardiff?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cardiff with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Cardiff?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airline flying from Heathrow to Cardiff

 
See real verified KAYAK customer reviews for airlines flying from London to Cardiff. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Cardiff? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1507 reviews
7.7Comfort
7.3Food
7.9Boarding
7.2Entertainment
8.4Crew
Airline reviews

Quick and efficient as always. Air France managed to loose and damage my luggage that never made it onto my KLM flight.

8.0 ExcellentBartosz, May 2024CDG - AMS
Read more about KLM reviews

Quick and efficient as always. Air France managed to loose and damage my luggage that never made it onto my KLM flight.

One of the vstewardeses wanted to bump me of the plane for absolutely nothing. There is CCTV in the plane ans everything can be verified. Very disappointing , you all will see, o other 5 years and the passangers who does not smile to flight attendent will be bumped off...

The worst airline. Cancelled flight 30 min before boarding and rebooked on flight after 3 days.

Mostly fine. Minor delays departing and arriving. Quite a cramped plane, not so much as regards legroom but very narrow seats. Quiet nice food. Non-working USB charger. Flight attendants were helpful but not particularly proactive — one had to work to get their attention (but all was fine once they notice you), very Dutch style:)

I travel frequently. The flight was late again... KLM should really try and be on time

The flight itself it was great nice food the crew were very nice and helpful, Checking in from Birmingham wasn't great long queues for bag dropped, And I had my hand luggage case taken away from me even though I requested to have it with me as I had breakables items. I was told I can not because of the length of the flight with no explanation at all no options was given for me to take my fragile items out of my case it was taken away with hold buggage I find the staff member who was checking me in very unpleasant !! Can we please be advise if the rules have changed about the the carry on hand luggage it will be easier to be advise on booking your tickect if we not allowed to take the hand luggage with me. Overall I had a good flight .

I requested wheel chair assistance , it was confirmed via email that inwoood get it but I didn’t get it . The last leg of my trip to Nigeria was the worst.

One of their staff was so rude with discriminative. Such a reputed airline shouldn't hire such kind of arrogant attendants.

The boarding was one of the worst I’ve ever experienced. The fault lays on Ohare Airport and not so much the airline. The waiting area by the gate was the size to accommodate a regional flight for 20-30 people and right next to a busy walkway. When you cramped nearly 300 passengers into that space is was unbearable.

The seats are too cramped in that plane. If you’re above 1,80m consider alternatives or first class I guess… There were no emergency exits to seat somewhere with more legroom

Book cheap flights from London to Cardiff

Cheapest flights to Cardiff from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Cardiff found on KAYAK in the last 72 hours.
5/10Sat
1 stop
4h 40mLHR-CWL
£91
4/10Fri
1 stop
4h 10mLHR-CWL
£106
7/9Sat
1 stopKLM
10h 15mLHR-CWL
£174
6/8Tue
1 stopAer Lingus
3h 55mLHR-CWL
£217
14/6Fri
1 stop
17h 20mLHR-CWL
£256
5/10Sat
2 stops
9h 05mLHR-CWL
£264
4/10Fri
3 stopsLoganair
9h 30mLHR-CWL
£459
14/6Fri
2 stops
7h 05mLHR-CWL
£479
14/6Fri
3 stopsLoganair
9h 30mLHR-CWL
£626

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Last minute flights from Heathrow to Cardiff

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Cardiff that are departing in the next 10 days.
5/6Wed
multi-stop
3h 45mLHR-CWL
8/6Sat
multi-stop
4h 25mCWL-LHR
£319
3/6Mon
multi-stop
4h 35mLHR-CWL
4/6Tue
multi-stop
7h 35mCWL-LHR
£406
5/6Wed
multi-stopKLM
12h 20mLHR-CWL
8/6Sat
multi-stopKLM
6h 30mCWL-LHR
£408
5/6Wed
multi-stopKLM
12h 20mLHR-CWL
8/6Sat
multi-stopKLM
3h 40mCWL-LHR
£472
6/6Thu
multi-stop
4h 00mLHR-CWL
7/6Fri
multi-stop
5h 40mCWL-LHR
£818
6/6Thu
multi-stopKLM
6h 50mLHR-CWL
7/6Fri
multi-stopKLM
3h 40mCWL-LHR
£1,199
5/6Wed
multi-stopAir France
10h 30mLHR-CWL
8/6Sat
multi-stopAir France
8h 50mCWL-LHR
£4,953

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London Heathrow Airport - Cardiff Flights

Departure:

London Heathrow Airport (LHR)United Kingdom

Destination:

Cardiff (CWL)United Kingdom

Return flight deals:

Cardiff - London Heathrow Airport

Cabin classes:

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