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Cheap flights from London to Cardiff from £63

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CWL
20 Jul — 27 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 15 July 2025.

Round-trip from

£111

One-way from

£63

Popular in

December

Cheapest in

January

Average price

£294
Ryanair
  • Ryanair
  • 13/8-18/8
  • 2 total stops
  • 20h 25m total
  • London to Cardiff
Ryanair
  • Ryanair
  • 27/8
  • 1 total stop
  • 20h 50m total
  • London to Cardiff
Highest demand for flights based on searches. 15% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 15 July 2025.

Wed 13/819:20LTN - CWL
1 stop12h 05mRyanair
Mon 18/813:10CWL - LTN
1 stop8h 20mRyanair
Deal found 14/7£111
Fri 22/822:50STN - CWL
1 stop8h 40mRyanair
Sun 24/811:00CWL - STN
1 stop5h 05mRyanair
Deal found 13/7£111
Wed 3/917:35LGW - CWL
1 stop13h 50mRyanair
Tue 9/916:20CWL - LGW
1 stop4h 35mRyanair
Deal found 14/7£120
Wed 13/819:50STN - CWL
1 stop11h 35mMultiple Airlines
Mon 18/813:10CWL - STN
2 stops18h 20mMultiple Airlines
Deal found 14/7£145
Wed 13/819:20LTN - CWL
1 stop12h 05mMultiple Airlines
Mon 18/813:10CWL - LTN
2 stops18h 40mMultiple Airlines
Deal found 15/7£146
Wed 13/817:35LGW - CWL
1 stop13h 50mMultiple Airlines
Mon 18/813:10CWL - LGW
2 stops19h 10mMultiple Airlines
Deal found 15/7£153
Wed 3/921:10LHR - CWL
1 stop10h 15mMultiple Airlines
Tue 9/916:20CWL - LHR
1 stop4h 00mMultiple Airlines
Deal found 14/7£198
Wed 27/820:55LHR - CWL
1 stop12h 20mKLM
Wed 3/909:50CWL - LHR
1 stop9h 35mKLM
Deal found 13/7£228
Wed 27/820:10LCY - CWL
1 stop13h 05mKLM
Wed 3/909:50CWL - LCY
1 stop9h 50mKLM
Deal found 13/7£256
Tue 29/707:00SEN - CWL
1 stop12h 40mMultiple Airlines
Thu 31/720:20CWL - SEN
1 stop16h 40mMultiple Airlines
Deal found 14/7£285
Fri 7/1115:00LCY - CWL
1 stop20h 30mAer Lingus
Sun 9/1112:00CWL - LCY
1 stop24h 05mAer Lingus
Deal found 13/7£317
Thu 14/819:20LCY - CWL
2 stops16h 40mMultiple Airlines
Thu 21/807:55CWL - LCY
2 stops10h 40mMultiple Airlines
Deal found 14/7£340

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 15 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

LTN - CWL

LTNCWL

London Luton

Wed 13/8

19:20-07:25

1 stop12h 05m

Cardiff Wales

Mon 18/8

13:10-21:30

1 stop8h 20m

£111

LondonCardiff

STN - CWL

STNCWL

London Stansted

Fri 22/8

22:50-07:30

1 stop8h 40m

Cardiff Wales

Sun 24/8

11:00-16:05

1 stop5h 05m

£111

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 3/9

17:35-07:25

1 stop13h 50m

Cardiff Wales

Tue 9/9

16:20-20:55

1 stop4h 35m

£120

LondonCardiff

STN - CWL

STNCWL

London Stansted

Wed 13/8

19:50-07:25

1 stop11h 35m

Cardiff Wales

Mon 18/8

13:10-07:30

2 stops18h 20m

£145

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 13/8

19:20-07:25

1 stop12h 05m

Cardiff Wales

Mon 18/8

13:10-07:50

2 stops18h 40m

£146

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Wed 13/8

17:35-07:25

1 stop13h 50m

Cardiff Wales

Mon 18/8

13:10-08:20

2 stops19h 10m

£153

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Wed 3/9

21:10-07:25

1 stop10h 15m

Cardiff Wales

Tue 9/9

16:20-20:20

1 stop4h 00m

£198

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Wed 27/8

20:55-09:15

1 stop12h 20m

Cardiff Wales

Wed 3/9

09:50-19:25

1 stop9h 35m

£228

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 27/8

20:10-09:15

1 stop13h 05m

Cardiff Wales

Wed 3/9

09:50-19:40

1 stop9h 50m

£256

LondonCardiff

SEN - CWL

SENCWL

London Southend

Tue 29/7

07:00-19:40

1 stop12h 40m

Cardiff Wales

Thu 31/7

20:20-13:00

1 stop16h 40m

£285

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 28 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 15 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.

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 15 July 2025.
Check out reviews from past customers who have flown with KLM, Vueling, andAer Lingus 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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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.

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

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 £111, 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 £228 and £317, respectively. These flights start at 60% 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 £63. Users have also found prices from £151 and £171 on Aer Lingus and British Airways, respectively.

  • What are the most popular routes 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

Travelling to a place near Cardiff?

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

Browse thousands of different options on Cheapflights for your next trip

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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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£195Average£334FlexibilityNo cancel feeOn-time75%
Search KLM 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 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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