How long is the flight from London to Cardiff?

There are many flights that can get you from London to Cardiff in 8h 30m. Fly via Ryanair to get the fastest option. The distance between London and Cardiff is about 157 mi.

What is the cheapest airline to fly from London to Cardiff round-trip?

Currently priced at £193, KLM will fly you from London to Cardiff and back. In addition to KLM, many other airlines offer competitively priced options for your trip. This flight start at 34% lower than the current average price 3 months from now.

What is the cheapest day to fly from London to Cardiff?

Travellers seeking maximum savings on their London to Cardiff flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular routes from London to Cardiff?

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

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.

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.

£78+ Cheap Flights from London to Cardiff

Q: 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 £292 and £341 in October. The cheapest return flight price found within the last 3 days was £102 on Ryanair (31 Oct-7 Nov).

Cheap flight deals from London to Cardiff

Round-trip from	£102
One-way from	£78
Popular in	December
Cheapest in	January
Average price	£295

Ryanair
31/10-7/11
2 total stops
17h 55m total
London to Cardiff

Search Deals

Ryanair
30/10
1 total stop
7h 35m total
London to Cardiff

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£32 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 18 September 2025.

Fri 31/1013:30STN - CWL

1 stop8h 30mRyanair

Fri 7/1122:25CWL - STN

1 stop9h 25mRyanair

Deal found 16/9£102

Fri 31/1010:25LTN - CWL

1 stop11h 35mRyanair

Fri 7/1122:25CWL - LTN

1 stop13h 30mRyanair

Deal found 16/9£110

Fri 26/922:50STN - CWL

1 stop8h 40mRyanair

Mon 29/913:10CWL - STN

1 stop4h 50mRyanair

Deal found 15/9£114

Mon 13/1008:15STN - CWL

1 stop4h 30mRyanair

Fri 17/1012:25CWL - STN

1 stop10h 00mRyanair

Deal found 16/9£116

Thu 9/1022:55STN - CWL

1 stop13h 05mMultiple Airlines

Wed 15/1020:30CWL - STN

1 stop12h 35mMultiple Airlines

Deal found 16/9£116

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Tue 7/1016:20CWL - LTN

1 stop5h 05mRyanair

Deal found 17/9£116

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Tue 7/1016:20CWL - STN

1 stop4h 40mRyanair

Deal found 17/9£118

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Sun 5/1011:00CWL - STN

1 stop13h 20mRyanair

Deal found 16/9£119

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Sun 5/1011:00CWL - LTN

1 stop11h 30mRyanair

Deal found 16/9£119

Mon 13/1009:00LTN - CWL

1 stop3h 45mRyanair

Fri 17/1012:25CWL - LTN

1 stop8h 15mRyanair

Deal found 16/9£119

Fri 26/921:05LTN - CWL

1 stop10h 25mRyanair

Mon 29/913:10CWL - LTN

1 stop8h 20mRyanair

Deal found 15/9£120

Thu 9/1019:40LGW - CWL

2 stops16h 20mMultiple Airlines

Wed 15/1020:30CWL - LGW

1 stop12h 30mMultiple Airlines

Deal found 16/9£121

Best flights from London to Cardiff
Discover carefully curated flight deals from London to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Fri 31/1013:30STN - CWL

1 stop8h 30mRyanair

Fri 7/1122:25CWL - STN

1 stop9h 25mRyanair

Deal found 16/9£102

Thu 9/1022:55STN - CWL

1 stop13h 05mMultiple Airlines

Wed 15/1020:30CWL - STN

1 stop12h 35mMultiple Airlines

Deal found 16/9£116

Fri 31/1010:25LTN - CWL

1 stop11h 35mRyanair

Fri 7/1122:25CWL - LTN

1 stop13h 30mRyanair

Deal found 16/9£110

Thu 9/1019:40LGW - CWL

2 stops16h 20mMultiple Airlines

Wed 15/1020:30CWL - LGW

1 stop12h 30mMultiple Airlines

Deal found 16/9£121

Mon 13/1008:15STN - CWL

1 stop4h 30mRyanair

Fri 17/1012:25CWL - STN

1 stop10h 00mRyanair

Deal found 16/9£116

Thu 16/1006:00LGW - CWL

1 stop13h 40mMultiple Airlines

Thu 23/1020:20CWL - LGW

1 stop12h 40mMultiple Airlines

Deal found 16/9£126

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Tue 7/1016:20CWL - LTN

1 stop5h 05mRyanair

Deal found 17/9£116

Thu 9/1008:40LCY - CWL

1 stop8h 05mKLM

Wed 15/1009:50CWL - LCY

1 stop7h 30mKLM

Deal found 16/9£289

Thu 16/1022:55STN - CWL

1 stop13h 05mRyanair

Thu 23/1007:55CWL - STN

1 stop6h 30mRyanair

Deal found 16/9£118

Wed 1/1022:00LGW - CWL

1 stop9h 25mMultiple Airlines

Tue 7/1020:20CWL - LGW

2 stops22h 40mMultiple Airlines

Deal found 17/9£130

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Tue 7/1016:20CWL - STN

1 stop4h 40mRyanair

Deal found 17/9£118

Fri 17/1021:05LTN - CWL

1 stop10h 25mMultiple Airlines

Sun 19/1017:20CWL - LTN

2 stops24h 10mMultiple Airlines

Deal found 16/9£132

Fri 17/1022:50STN - CWL

1 stop8h 40mRyanair

Sun 19/1011:00CWL - STN

1 stop13h 20mRyanair

Deal found 16/9£118

Wed 1/1007:30STN - CWL

2 stops23h 55mMultiple Airlines

Tue 7/1016:20CWL - STN

1 stop4h 40mMultiple Airlines

Deal found 17/9£136

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Sun 5/1011:00CWL - STN

1 stop13h 20mRyanair

Deal found 16/9£119

Thu 9/1008:05LTN - CWL

2 stops27h 55mMultiple Airlines

Wed 15/1020:30CWL - LTN

1 stop16h 45mMultiple Airlines

Deal found 16/9£137

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Sun 5/1011:00CWL - LTN

1 stop11h 30mRyanair

Deal found 16/9£119

Mon 13/1006:25STN - CWL

1 stop6h 20mMultiple Airlines

Fri 17/1012:25CWL - STN

2 stops19h 00mMultiple Airlines

Deal found 16/9£141

Mon 13/1009:00LTN - CWL

1 stop3h 45mRyanair

Fri 17/1012:25CWL - LTN

1 stop8h 15mRyanair

Deal found 16/9£119

Mon 13/1020:10LGW - CWL

2 stops19h 45mMultiple Airlines

Fri 17/1012:25CWL - LGW

1 stop9h 00mMultiple Airlines

Deal found 16/9£144

Fri 17/1021:05LTN - CWL

1 stop10h 25mRyanair

Sun 19/1011:00CWL - LTN

1 stop11h 30mRyanair

Deal found 16/9£120

Mon 9/320:05LCY - CWL

1 stop13h 45mKLM

Fri 13/317:25CWL - LCY

1 stop14h 45mKLM

Deal found 15/9£300

Sat 1/1111:00LGW - CWL

1 stop8h 40mRyanair

Sat 8/1120:05CWL - LGW

1 stop11h 55mRyanair

Deal found 17/9£121

Sat 1/1109:40LGW - CWL

1 stop10h 00mMultiple Airlines

Sat 8/1120:05CWL - LGW

2 stops13h 55mMultiple Airlines

Deal found 17/9£147

Thu 16/1007:45LCY - CWL

1 stop9h 00mKLM

Thu 23/1009:50CWL - LCY

1 stop6h 50mKLM

Deal found 16/9£301

Wed 1/1022:00LGW - CWL

1 stop9h 25mRyanair

Tue 7/1016:20CWL - LGW

1 stop3h 50mRyanair

Deal found 17/9£122

Mon 13/1017:30LTN - CWL

2 stops22h 25mMultiple Airlines

Fri 17/1012:25CWL - LTN

1 stop8h 15mMultiple Airlines

Deal found 16/9£147

Fri 31/1017:45LGW - CWL

1 stop4h 15mRyanair

Fri 7/1122:25CWL - LGW

1 stop10h 50mRyanair

Deal found 16/9£125

Fri 31/1016:20LHR - CWL

1 stop5h 40mMultiple Airlines

Fri 7/1122:25CWL - LHR

1 stop9h 40mMultiple Airlines

Deal found 16/9£152

Wed 1/1015:35LGW - CWL

1 stop15h 50mRyanair

Sun 5/1011:00CWL - LGW

1 stop20h 55mRyanair

Deal found 16/9£128

Last-minute flights from London to Cardiff
Discover last-minute flight deals from London to Cardiff. Data last updated 18 September 2025 and is based on user searches.

Fri 26/922:50STN - CWL

1 stop8h 40mRyanair

Mon 29/913:10CWL - STN

1 stop4h 50mRyanair

Deal found 15/9£114

Fri 26/921:05LTN - CWL

1 stop10h 25mRyanair

Mon 29/913:10CWL - LTN

1 stop8h 20mRyanair

Deal found 15/9£120

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Tue 7/1016:20CWL - LTN

1 stop5h 05mRyanair

Deal found 17/9£116

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Tue 7/1016:20CWL - STN

1 stop4h 40mRyanair

Deal found 17/9£118

Wed 1/1018:35STN - CWL

1 stop12h 50mRyanair

Sun 5/1011:00CWL - STN

1 stop13h 20mRyanair

Deal found 16/9£119

Wed 1/1019:20LTN - CWL

1 stop12h 05mRyanair

Sun 5/1011:00CWL - LTN

1 stop11h 30mRyanair

Deal found 16/9£119

Thu 9/1022:55STN - CWL

1 stop13h 05mMultiple Airlines

Wed 15/1020:30CWL - STN

1 stop12h 35mMultiple Airlines

Deal found 16/9£116

Thu 9/1019:40LGW - CWL

2 stops16h 20mMultiple Airlines

Wed 15/1020:30CWL - LGW

1 stop12h 30mMultiple Airlines

Deal found 16/9£121

Mon 13/1008:15STN - CWL

1 stop4h 30mRyanair

Fri 17/1012:25CWL - STN

1 stop10h 00mRyanair

Deal found 16/9£116

Mon 13/1009:00LTN - CWL

1 stop3h 45mRyanair

Fri 17/1012:25CWL - LTN

1 stop8h 15mRyanair

Deal found 16/9£119

Fri 31/1013:30STN - CWL

1 stop8h 30mRyanair

Fri 7/1122:25CWL - STN

1 stop9h 25mRyanair

Deal found 16/9£102

Fri 31/1010:25LTN - CWL

1 stop11h 35mRyanair

Fri 7/1122:25CWL - LTN

1 stop13h 30mRyanair

Deal found 16/9£110

One-way flights from London to Cardiff
Search for one-way flight options from London to Cardiff. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Thu 30/1006:30STN - CWL

1 stop7h 35mRyanair

Deal found 16/9£78

Fri 26/916:15STN - CWL

2 stops15h 15mRyanair

Deal found 17/9£89

Thu 30/1009:00LTN - CWL

1 stop5h 05mRyanair

Deal found 16/9£93

Thu 30/1008:50LGW - CWL

1 stop5h 15mRyanair

Deal found 16/9£95

Thu 30/1007:50LHR - CWL

1 stop6h 15mMultiple Airlines

Deal found 16/9£101

Thu 30/1006:20LGW - CWL

2 stops7h 45mMultiple Airlines

Deal found 16/9£125

Thu 4/1219:45LHR - CWL

1 stop26h 15mMultiple Airlines

Deal found 17/9£128

Thu 30/1020:05LTN - CWL

3 stops25h 55mMultiple Airlines

Deal found 16/9£142

Fri 26/921:25LGW - CWL

1 stop10h 05mRyanair

Deal found 17/9£143

Thu 30/1018:05STN - CWL

3 stops27h 55mMultiple Airlines

Deal found 16/9£147

Fri 26/913:30LTN - CWL

1 stop18h 00mRyanair

Deal found 17/9£161

Fri 26/921:10LHR - CWL

1 stop10h 20mMultiple Airlines

Deal found 17/9£203

Fly from

Fly to

Route

Depart

Return

Price

LondonCardiff

STN - CWL

STNCWL

London Stansted

Fri 31/10

13:30-22:00

1 stop8h 30m

Cardiff Wales

Fri 7/11

22:25-07:50

1 stop9h 25m

£102

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Fri 31/10

10:25-22:00

1 stop11h 35m

Cardiff Wales

Fri 7/11

22:25-11:55

1 stop13h 30m

£110

LondonCardiff

STN - CWL

STNCWL

London Stansted

Mon 13/10

08:15-12:45

1 stop4h 30m

Cardiff Wales

Fri 17/10

12:25-22:25

1 stop10h 00m

£116

LondonCardiff

STN - CWL

STNCWL

London Stansted

Thu 9/10

22:55-12:00

1 stop13h 05m

Cardiff Wales

Wed 15/10

20:30-09:05

1 stop12h 35m

£116

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 1/10

19:20-07:25

1 stop12h 05m

Cardiff Wales

Tue 7/10

16:20-21:25

1 stop5h 05m

£116

LondonCardiff

STN - CWL

STNCWL

London Stansted

Thu 16/10

22:55-12:00

1 stop13h 05m

Cardiff Wales

Thu 23/10

07:55-14:25

1 stop6h 30m

£118

LondonCardiff

STN - CWL

STNCWL

London Stansted

Wed 1/10

18:35-07:25

1 stop12h 50m

Cardiff Wales

Tue 7/10

16:20-21:00

1 stop4h 40m

£118

LondonCardiff

STN - CWL

STNCWL

London Stansted

Fri 17/10

22:50-07:30

1 stop8h 40m

Cardiff Wales

Sun 19/10

11:00-00:20

1 stop13h 20m

£118

LondonCardiff

STN - CWL

STNCWL

London Stansted

Wed 1/10

18:35-07:25

1 stop12h 50m

Cardiff Wales

Sun 5/10

11:00-00:20

1 stop13h 20m

£119

LondonCardiff

LTN - CWL

LTNCWL

London Luton

Wed 1/10

19:20-07:25

1 stop12h 05m

Cardiff Wales

Sun 5/10

11:00-22:30

1 stop11h 30m

£119

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 49 results

...

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?

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?

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

Amsterdam (AMS) – chosen by Cheapflights users on 67% of one-stop itineraries from London to Cardiff on Cheapflights.

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

Dublin (DUB) is the most affordable one-stop option, with an average return flight price of £128.

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

Flights via Belfast (BHD) have the shortest average one-way travel time for one-stop routes: 3h 36m.

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

Flights via Belfast (BHD) offer the fastest connection on this route, with an average stopover time of 1h 23m.

Reviews of airlines servicing Cardiff

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

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Ryanair

6.8

Okay

5,159 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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.
How long is the flight from London to Cardiff?
There are many flights that can get you from London to Cardiff in 8h 30m. Fly via Ryanair to get the fastest option. The distance between London and Cardiff is about 157 mi.
What is the cheapest airline to fly from London to Cardiff round-trip?
Currently priced at £193, KLM will fly you from London to Cardiff and back. In addition to KLM, many other airlines offer competitively priced options for your trip. This flight start at 34% lower than the current average price 3 months from now.
What are the most popular routes from London to Cardiff?
While some choose either London City - Cardiff Wales or London Luton - 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

Barry

Bridgend

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Cardiff

Heathrow to Manchester flights

Edinburgh to Bristol flights

London City to Manchester flights

Gatwick to Manchester flights

Stansted to Manchester flights

Luton to Manchester flights

Newquay to Manchester flights

Southend to Manchester flights

Newcastle upon Tyne to Bristol flights

Southampton to Manchester flights

London City to Bristol flights

Bristol to Manchester flights

Gatwick to Bristol flights

Edinburgh to Cardiff flights

Edinburgh to Manchester flights

Heathrow to Cardiff flights

Stansted to Bristol flights

Heathrow to Bristol flights

London City to Cardiff flights

Luton to Bristol flights

Leeds to Bristol flights

Luton to Cardiff flights

Manchester to Bristol flights

Exeter to Manchester flights

Newcastle upon Tyne to Manchester flights

Liverpool to Manchester flights

Gatwick to Cardiff flights

Leeds to Cardiff flights

Manchester to Cardiff flights

Birmingham to Cardiff flights

Stansted to Cardiff flights

Leeds to Manchester flights

Southend to Bristol flights

Birmingham to Manchester flights

Exeter to Bristol flights

East Midlands to Manchester flights

Southend to Cardiff flights

Newcastle upon Tyne to Cardiff flights

Norwich to Manchester flights

Birmingham to Bristol flights

Liverpool to Cardiff flights

Bristol to Cardiff flights

East Midlands to Bristol flights

Doncaster to Manchester flights

Other flights to Cardiff

Top airline flying from London to Cardiff

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£193	Average£341	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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.

Cheap flights from London to Cardiff from £78

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Cardiff

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Cardiff

Cheapest flights from London to CardiffExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

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

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.

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?

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 18 September 2025.

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

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.

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.

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.

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.

Reviews of airlines servicing Cardiff

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.

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?

How long is the flight from London to Cardiff?

What is the cheapest airline to fly from London to Cardiff round-trip?

What are the most popular routes from London to Cardiff?

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

How can I find direct flights from London to Cardiff?

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

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

Travelling to a place near Cardiff?

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.

Top airline flying from London to Cardiff

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 18 September 2025.