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Cheap flights from London to Cardiff from £41

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CWL
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from London to Cardiff
Explore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Tue 18/816:20
STN
-
CWL
1 stop6h 30m
Ryanair
Wed 26/823:15
CWL
-
STN
1 stop8h 35m
Ryanair
Deal found 21/7£76
Fri 4/922:00
LGW
-
CWL
1 stop8h 55m
Ryanair
Fri 11/922:45
CWL
-
LGW
1 stop9h 40m
Ryanair
Deal found 23/7£77
Tue 18/813:10
LTN
-
CWL
1 stop9h 40m
Ryanair
Wed 26/823:15
CWL
-
LTN
1 stop9h 45m
Ryanair
Deal found 21/7£79
Tue 18/808:50
LGW
-
CWL
1 stop14h 00m
Ryanair
Tue 25/823:15
CWL
-
LGW
1 stop9h 05m
Ryanair
Deal found 19/7£79
Fri 25/922:00
STN
-
CWL
1 stop8h 55m
Ryanair
Sun 27/921:45
CWL
-
STN
1 stop10h 05m
Ryanair
Deal found 23/7£79
Wed 2/913:50
LTN
-
CWL
1 stop9h 35m
Ryanair
Mon 7/922:10
CWL
-
LTN
1 stop11h 05m
Ryanair
Deal found 22/7£79
Tue 18/808:50
LGW
-
CWL
1 stop14h 00m
Ryanair
Wed 26/823:15
CWL
-
LGW
1 stop10h 05m
Ryanair
Deal found 21/7£79
Tue 18/809:40
LTN
-
CWL
1 stop13h 10m
Ryanair
Tue 25/823:15
CWL
-
LTN
1 stop10h 00m
Ryanair
Deal found 21/7£80
Tue 18/813:15
STN
-
CWL
1 stop9h 35m
Ryanair
Tue 25/823:15
CWL
-
STN
1 stop8h 35m
Ryanair
Deal found 19/7£81
Wed 19/819:05
LTN
-
CWL
1 stop3h 45m
Ryanair
Wed 26/823:15
CWL
-
LTN
1 stop9h 45m
Ryanair
Deal found 19/7£81
Wed 19/808:30
STN
-
CWL
1 stop14h 20m
Ryanair
Wed 26/823:15
CWL
-
STN
1 stop8h 35m
Ryanair
Deal found 20/7£82
Wed 19/808:50
LGW
-
CWL
1 stop14h 00m
Ryanair
Wed 26/823:15
CWL
-
LGW
1 stop8h 40m
Ryanair
Deal found 22/7£82

Find flight deals from London to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 23 July 2026.

Round-trip from

£76

One-way from

£41

Popular in

August

Cheapest in

May

Average price

£121
Ryanair
  • Ryanair
  • 18/8-26/8
  • 2 total stops
  • 15h 05m total
  • London to Cardiff
Search Deals
Ryanair
  • Ryanair
  • 23/9
  • 1 total stop
  • 7h 30m total
  • London to Cardiff
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 858,174 searches. Data last updated 23 July 2026.
Use the filters below to find and compare flights from London to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCardiff

STN - CWL

STNCWL

London Stansted

Wed 19/8

18:00-22:50

1 stop4h 50m

Cardiff Wales

Wed 26/8

23:15-07:50

1 stop8h 35m

£79

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 19/8

19:05-22:50

1 stop3h 45m

Cardiff Wales

Wed 26/8

23:15-09:00

1 stop9h 45m

£79
Fastest return journey

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 19/8

19:05-22:50

1 stop3h 45m

Cardiff Wales

Wed 2/9

23:50-09:00

1 stop9h 10m

£79

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 2/9

13:50-23:25

1 stop9h 35m

Cardiff Wales

Mon 7/9

22:10-09:15

1 stop11h 05m

£79

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 19/8

08:50-22:50

1 stop14h 00m

Cardiff Wales

Wed 2/9

23:50-07:55

1 stop8h 05m

£79

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Tue 18/8

08:50-22:50

1 stop14h 00m

Cardiff Wales

Wed 26/8

23:15-09:20

1 stop10h 05m

£80

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Tue 18/8

09:40-22:50

1 stop13h 10m

Cardiff Wales

Wed 26/8

23:15-12:35

1 stop13h 20m

£81

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Tue 18/8

08:50-22:50

1 stop14h 00m

Cardiff Wales

Tue 25/8

23:15-11:05

1 stop11h 50m

£82

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 2/9

15:35-23:25

1 stop7h 50m

Cardiff Wales

Mon 7/9

22:10-09:10

1 stop11h 00m

£82

LondonCardiff

STN - CWL

STNCWL

London Stansted

Fri 21/8

22:50-06:55

1 stop8h 05m

Cardiff Wales

Sun 23/8

21:45-09:50

1 stop12h 05m

£84

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from London to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Cardiff

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

Find hourly flight availability from London 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 23 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Cardiff as you normally would.

How much does it cost for a return flight from London to Cardiff?

Airfare is below average for this route at the moment.
London to Cardiff flights typically cost between £142 and £302 in August.
The cheapest return price found within the last 5 days was £76 on Ryanair (18 Aug–26 Aug).

What’s the top stopover airport for flights from London to Cardiff?

Share of one-stop return flights from London to Cardiff chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 53% of one-stop itineraries from London to Cardiff on Cheapflights.

What’s the cheapest stopover airport for flights from London to Cardiff?

Average return fare for one-stop flights from London to Cardiff, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Dublin (DUB) is the most affordable one-stop option, with an average return flight price of £108.

What’s the fastest stopover option from London to Cardiff?

Shortest average travel time for one-stop one-way flights from London to Cardiff, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Belfast (BHD) have the shortest average one-way travel time for one-stop routes: 3h 40m.

Which airport typically offers the quickest stopover for flights from London to Cardiff?

Average stopover duration for one-stop one-way flights from London to Cardiff, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Belfast (BHD) offer the fastest connection on this route, with an average stopover time of 1h 34m.

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 23 July 2026.
Check out reviews from past customers who have flown with KLM and Ryanair from London to Cardiff to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,544 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Ryanair
6.9
Okay
5,440 reviews
KLM
7.8
Good
1,544 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Most people fly into Cardiff Wales (CWL) if they book a flight to Cardiff from London. On average, Cardiff Wales has 0 inbound flights from London per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • How long is the flight from London to Cardiff?

    There are many flights that can get you from London to Cardiff in 4h 50m. Fly via Ryanair to get the fastest option. The distance between London and Cardiff is about 157 mi.

  • What are the most popular routes from London to Cardiff?

    While some choose either London Heathrow - Cardiff Wales or London Gatwick - Cardiff Wales, London City - Cardiff Wales is the most popular route from London to Cardiff.

  • Can I find deals for flights from London to Cardiff that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

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