Find flights
When to book
Airlines
FAQs

Cheap flights from London to Cardiff from £49

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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CWL
27 Mar — 3 Apr1
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 22 March 2025.

Round-trip from

£99

One-way from

£49

Popular in

December

Cheapest in

January

Average price

£334
Ryanair
  • Ryanair
  • 31/3-3/4
  • 2 total stops
  • 21h 10m total
  • London to Cardiff
Search Deals
Ryanair
  • Ryanair
  • 29/3
  • 1 total stop
  • 13h 00m total
  • London to Cardiff
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 22 March 2025.

Sat 29/320:35LTN - CWL
1 stop13h 00mRyanair
Thu 3/407:55CWL - LTN
1 stop7h 30mRyanair
Deal found 21/3£97
Sat 29/318:35STN - CWL
1 stop15h 00mRyanair
Thu 3/407:55CWL - STN
1 stop4h 50mRyanair
Deal found 21/3£98
Mon 31/307:40LGW - CWL
1 stop8h 55mMultiple Airlines
Thu 3/407:55CWL - LGW
1 stop12h 15mMultiple Airlines
Deal found 21/3£99
Sat 29/321:30LGW - CWL
1 stop12h 05mRyanair
Thu 3/407:55CWL - LGW
1 stop6h 15mRyanair
Deal found 21/3£105
Fri 9/519:50STN - CWL
2 stops10h 55mMultiple Airlines
Mon 12/513:10CWL - STN
1 stop3h 45mMultiple Airlines
Deal found 21/3£128
Sat 29/305:40LTN - CWL
2 stops27h 55mMultiple Airlines
Thu 3/407:55CWL - LTN
1 stop7h 30mMultiple Airlines
Deal found 21/3£131
Fri 9/520:10LHR - CWL
1 stop10h 35mMultiple Airlines
Mon 12/513:10CWL - LHR
1 stop7h 10mMultiple Airlines
Deal found 21/3£160
Sat 10/508:40LHR - CWL
1 stop8h 25mKLM
Mon 19/517:15CWL - LHR
1 stop3h 40mKLM
Deal found 21/3£224
Sat 10/510:00LCY - CWL
1 stop7h 05mKLM
Mon 19/509:50CWL - LCY
1 stop7h 30mKLM
Deal found 21/3£256
Wed 14/506:45LCY - CWL
1 stop24h 40mMultiple Airlines
Thu 22/507:55CWL - LCY
1 stop24h 45mMultiple Airlines
Deal found 21/3£308
Mon 13/1007:45LHR - CWL
1 stop3h 45mBritish Airways
Mon 20/1012:00CWL - LHR
2 stops19h 25mBritish Airways
Deal found 20/3£525

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 22 March 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

Fri 9/5

12:25-06:45

1 stop18h 20m

Cardiff Wales

Mon 12/5

13:10-07:50

1 stop18h 40m

£101

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 14/5

10:00-07:25

1 stop21h 25m

Cardiff Wales

Thu 22/5

07:55-15:25

1 stop7h 30m

£107

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Fri 9/5

22:00-06:45

1 stop8h 45m

Cardiff Wales

Mon 12/5

13:10-08:20

1 stop19h 10m

£107

LondonCardiff

LGW - CWL

LGWCWL

London Gatwick

Fri 18/4

21:25-06:45

1 stop9h 20m

Cardiff Wales

Fri 2/5

20:55-09:00

1 stop12h 05m

£121

LondonCardiff

STN - CWL

STNCWL

London Stansted

Fri 9/5

19:50-06:45

2 stops10h 55m

Cardiff Wales

Mon 12/5

13:10-16:55

1 stop3h 45m

£128

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Sat 10/5

16:10-10:35

1 stop18h 25m

Cardiff Wales

Mon 19/5

13:10-22:05

2 stops8h 55m

£148

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Fri 9/5

20:10-06:45

1 stop10h 35m

Cardiff Wales

Mon 12/5

13:10-20:20

1 stop7h 10m

£160

LondonCardiff

LHR - CWL

LHRCWL

London Heathrow

Sat 10/5

08:40-17:05

1 stop8h 25m

Cardiff Wales

Mon 19/5

17:15-20:55

1 stop3h 40m

£224

LondonCardiff

LCY - CWL

LCYCWL

London City

Sat 10/5

10:00-17:05

1 stop7h 05m

Cardiff Wales

Mon 19/5

09:50-17:20

1 stop7h 30m

£256

LondonCardiff

LCY - CWL

LCYCWL

London City

Wed 14/5

06:45-07:25

1 stop24h 40m

Cardiff Wales

Thu 22/5

07:55-08:40

1 stop24h 45m

£308

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 19 results
1
2

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 22 March 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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 22 March 2025.
Get a feel of what it's like to fly with KLM, Vueling and Aer Lingus from London to Cardiff by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,319 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Vueling
7.1
Good
1,145 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,063 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Ryanair
6.8
Okay
4,999 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,714 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £101, 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 £224 and £373, respectively. These flights start at 68% 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 £49. Users have also found prices from £53 and £213 on Vueling and Aer Lingus, 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

Travelling to a place near London?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Manchester flights
London City to Manchester flights
Stansted to Manchester flights
Heathrow to Manchester flights
Luton to Manchester flights
Newquay to Manchester flights
Southend to Manchester flights
Edinburgh to Bristol flights
Edinburgh to Cardiff flights
Gatwick to Bristol flights
Heathrow to Bristol flights
Heathrow to Cardiff flights
Stansted to Bristol flights
Luton to Bristol flights
Stansted to Cardiff flights
Newcastle upon Tyne to Bristol flights
Gatwick to Cardiff flights
London City to Bristol flights
Luton to Cardiff flights
London City to Cardiff flights
Edinburgh to Manchester flights
Southampton to Manchester flights
Exeter to Manchester flights
Manchester to Cardiff flights
Manchester to Bristol flights
Birmingham to Manchester flights
Newcastle upon Tyne to Manchester flights
Newcastle upon Tyne to Cardiff flights
Birmingham to Cardiff flights
Exeter to Bristol flights
Leeds to Bristol flights
Leeds to Cardiff flights
Southend to Cardiff flights
Bristol to Manchester flights
Liverpool to Manchester flights
Birmingham to Bristol flights
Leeds to Manchester flights
East Midlands to Manchester flights
Liverpool to Cardiff flights
Bristol to Cardiff flights
Norwich to Manchester flights
Southend to Bristol flights
East Midlands to Bristol flights
Doncaster to Manchester flights

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 22 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£197Average£319FlexibilityNo 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.