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Cheap flights from London to Cardiff from £76

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CWL
9 Jul — 16 Jul1
1 adult

Cheap 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 4 July 2025.

Round-trip from

£116

One-way from

£76

Popular in

December

Cheapest in

January

Average price

£336
Ryanair
  • Ryanair
  • 2/8-4/8
  • 2 total stops
  • 17h 25m total
  • London to Cardiff
Search Deals
Ryanair
  • Ryanair
  • 1/9
  • 1 total stop
  • 4h 30m total
  • London to Cardiff
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from London to Cardiff

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 4 July 2025.

Sat 2/822:00STN - CWL
1 stop12h 35mRyanair
Mon 4/813:10CWL - STN
1 stop4h 50mRyanair
Deal found 30/6£116
Wed 6/822:00LGW - CWL
1 stop9h 25mRyanair
Tue 12/816:20CWL - LGW
1 stop4h 35mRyanair
Deal found 3/7£124
Wed 6/819:20LTN - CWL
1 stop12h 05mRyanair
Tue 12/816:20CWL - LTN
1 stop5h 05mRyanair
Deal found 2/7£125
Sat 2/822:00STN - CWL
1 stop12h 35mMultiple Airlines
Mon 4/813:10CWL - STN
2 stops18h 20mMultiple Airlines
Deal found 30/6£140
Wed 6/822:00LGW - CWL
1 stop9h 25mMultiple Airlines
Tue 12/816:20CWL - LGW
2 stops16h 00mMultiple Airlines
Deal found 3/7£156
Sat 16/816:55LTN - CWL
2 stops17h 40mMultiple Airlines
Sat 23/809:00CWL - LTN
1 stop12h 45mMultiple Airlines
Deal found 1/7£164
Sat 16/821:10LHR - CWL
1 stop13h 25mMultiple Airlines
Sat 23/809:00CWL - LHR
1 stop11h 20mMultiple Airlines
Deal found 2/7£192
Thu 7/806:30LHR - CWL
1 stop10h 15mKLM
Wed 13/817:15CWL - LHR
1 stop3h 40mKLM
Deal found 3/7£215
Wed 6/820:10LCY - CWL
1 stop13h 05mKLM
Tue 12/809:50CWL - LCY
1 stop9h 50mKLM
Deal found 2/7£231
Thu 10/706:30SEN - CWL
1 stop13h 10mMultiple Airlines
Fri 11/720:55CWL - SEN
1 stop11h 05mMultiple Airlines
Deal found 3/7£234
Tue 29/709:05LCY - CWL
1 stop6h 50mMultiple Airlines
Tue 12/816:20CWL - LCY
1 stop5h 20mMultiple Airlines
Deal found 1/7£331
Mon 29/912:25LCY - CWL
1 stop23h 05mAer Lingus
Sat 4/1012:00CWL - LCY
1 stop24h 40mAer Lingus
Deal found 3/7£374

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 4 July 2025.
Use the filters below to find and compare flights from London to Cardiff that are best for you.

Fly from

London

Fly to

Cardiff

Route

Depart

Return

Price

LondonCardiff

STN - CWL

STNCWL

London Stansted

Sat 2/8

22:00-10:35

1 stop12h 35m

Cardiff Wales

Mon 4/8

13:10-18:00

1 stop4h 50m

£116

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 6/8

22:00-07:25

1 stop9h 25m

Cardiff Wales

Tue 12/8

16:20-20:55

1 stop4h 35m

£124

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 6/8

19:20-07:25

1 stop12h 05m

Cardiff Wales

Tue 12/8

16:20-21:25

1 stop5h 05m

£125

LondonCardiff

STN - CWL

STNCWL

London Stansted

Sat 2/8

22:00-10:35

1 stop12h 35m

Cardiff Wales

Mon 4/8

13:10-07:30

2 stops18h 20m

£140

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 6/8

22:00-07:25

1 stop9h 25m

Cardiff Wales

Tue 12/8

16:20-08:20

2 stops16h 00m

£156

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Sat 16/8

16:55-10:35

2 stops17h 40m

Cardiff Wales

Sat 23/8

09:00-21:45

1 stop12h 45m

£164

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Sat 16/8

21:10-10:35

1 stop13h 25m

Cardiff Wales

Sat 23/8

09:00-20:20

1 stop11h 20m

£192

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Thu 7/8

06:30-16:45

1 stop10h 15m

Cardiff Wales

Wed 13/8

17:15-20:55

1 stop3h 40m

£215

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 6/8

20:10-09:15

1 stop13h 05m

Cardiff Wales

Tue 12/8

09:50-19:40

1 stop9h 50m

£231

LondonCardiff

SEN - CWL

SENCWL

London Southend

Thu 7/8

06:30-19:40

1 stop13h 10m

Cardiff Wales

Wed 13/8

20:30-12:50

1 stop16h 20m

£319

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 23 results
1
2
3

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 month to book a flight from London to Cardiff?

Currently, July is the cheapest month in which you can book a flight from London to Cardiff (average of £169). Flying from London to Cardiff in December is currently the most expensive (average of £263). 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.

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 4 July 2025.

It’s typically best to fly out from London to Cardiff at midday. Doing so could potentially save you 57% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

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 4 July 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andRyanair 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
1,363 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,363 reviews
KLM
7.8
Good
1,363 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,144 reviews
KLM
7.8
Good
1,363 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Ryanair
6.9
Okay
5,145 reviews
KLM
7.8
Good
1,363 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,093 reviews
KLM
7.8
Good
1,363 reviews
Check prices

Comfort

7.6

Boarding

7.8

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 1 airline. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • What are the cheapest airlines flying from London to Cardiff round-trip?

    Currently priced at £116, Ryanair will fly you from London to Cardiff and back. In addition to Ryanair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Aer Lingus - these airlines can fly you to your destination from £215 and £374, respectively. These flights start at 58% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £76. Users have also found prices from £210 and £281 on KLM and British Airways, respectively.

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

    While some choose either London Stansted - Cardiff Wales or London Gatwick - Cardiff Wales, London Heathrow - 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.

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

    Currently, July is the cheapest month in which you can book a flight from London to Cardiff (average of £169). Flying from London to Cardiff in December is currently the most expensive (average of £263). 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

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Top airline flying from London to Cardiff

Discover the top airline that operate flights from London 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 858,174 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£186Average£312FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Cardiff flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cardiff for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from London to Cardiff with no change fees.

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

Not ready to book yet? You can track prices for flights from London to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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