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Cheap flights from Cardiff to London from £73

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LON
17 Apr — 24 Apr1
1 adult

Cheap flight deals from Cardiff to London

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to London (LON). 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 12 April 2025.

Round-trip from

£111

One-way from

£73

Popular in

July

Cheapest in

April

Average price

£127

Good round-trip deal

£1,017 or less
Ryanair
  • Ryanair
  • 6/5-9/5
  • 2 total stops
  • 25h 45m total
  • Cardiff to London
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4/7
  • 4/7
  • 1 total stop
  • 12h 05m total
  • Cardiff to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£24 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Cardiff Wales to London (LON).
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Find flight deals from Cardiff to London

Cheapest flights from Cardiff to London
Explore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2025.

Tue 6/516:20CWL - LGW
1 stop17h 00mRyanair
Fri 9/522:00LGW - CWL
1 stop8h 45mRyanair
Deal found 11/4£111
Tue 6/516:20CWL - STN
1 stop5h 50mRyanair
Fri 9/522:50STN - CWL
1 stop7h 55mRyanair
Deal found 11/4£111
Mon 19/513:10CWL - LTN
1 stop19h 50mRyanair
Mon 26/521:55LTN - CWL
1 stop18h 00mRyanair
Deal found 11/4£119
Mon 12/513:10CWL - STN
1 stop21h 05mMultiple Airlines
Wed 14/520:20STN - CWL
2 stops11h 05mMultiple Airlines
Deal found 11/4£142
Mon 26/517:00CWL - LGW
1 stop21h 20mMultiple Airlines
Mon 2/621:30LGW - CWL
1 stop18h 25mMultiple Airlines
Deal found 11/4£155
Sun 11/517:20CWL - LTN
1 stop19h 05mMultiple Airlines
Sun 18/519:20LTN - CWL
1 stop16h 45mMultiple Airlines
Deal found 11/4£155
Sun 4/511:00CWL - LHR
1 stop9h 55mMultiple Airlines
Sun 11/522:00LHR - CWL
1 stop14h 45mMultiple Airlines
Deal found 10/4£212
Mon 19/513:10CWL - LCY
1 stop7h 40mMultiple Airlines
Mon 26/517:15LCY - CWL
1 stop22h 40mMultiple Airlines
Deal found 11/4£293
Sun 11/509:50CWL - LCY
1 stop10h 25mKLM
Sun 18/520:10LCY - CWL
1 stop13h 05mKLM
Deal found 11/4£309
Sun 11/517:15CWL - LHR
1 stop3h 40mKLM
Sun 18/520:55LHR - CWL
1 stop12h 20mKLM
Deal found 11/4£356
Mon 26/512:00CWL - LCY
1 stop24h 05mAer Lingus
Mon 2/618:55LCY - CWL
1 stop16h 35mAer Lingus
Deal found 11/4£393
Mon 26/512:00CWL - LHR
2 stops19h 25mBritish Airways
Mon 2/617:20LHR - CWL
1 stop18h 10mBritish Airways
Deal found 11/4£526

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to London 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 12 April 2025.
Use the filters below to find and compare flights from Cardiff to London that are best for you.

Fly from

Cardiff

Fly to

London

Route

Depart

Return

Price

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Tue 6/5

16:20-09:20

1 stop17h 00m

London Gatwick

Fri 9/5

22:00-06:45

1 stop8h 45m

£111

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Tue 6/5

16:20-22:10

1 stop5h 50m

London Stansted

Fri 9/5

22:50-06:45

1 stop7h 55m

£111

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Mon 19/5

13:10-09:00

1 stop19h 50m

London Luton

Mon 26/5

21:55-15:55

1 stop18h 00m

£119

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Mon 12/5

13:10-10:15

1 stop21h 05m

London Stansted

Wed 14/5

20:20-07:25

2 stops11h 05m

£142

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Mon 26/5

17:00-14:20

1 stop21h 20m

London Gatwick

Mon 2/6

21:30-15:55

1 stop18h 25m

£155

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sun 11/5

17:20-12:25

1 stop19h 05m

London Luton

Sun 18/5

19:20-12:05

1 stop16h 45m

£155

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Sun 4/5

11:00-20:55

1 stop9h 55m

London Heathrow

Sun 11/5

22:00-12:45

1 stop14h 45m

£212

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Mon 19/5

13:10-20:50

1 stop7h 40m

London City

Mon 26/5

17:15-15:55

1 stop22h 40m

£293

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Sun 11/5

09:50-20:15

1 stop10h 25m

London City

Sun 18/5

20:10-09:15

1 stop13h 05m

£309

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Sun 11/5

17:15-20:55

1 stop3h 40m

London Heathrow

Sun 18/5

20:55-09:15

1 stop12h 20m

£356

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 21 results
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2
3

Best time to book a flight from Cardiff to London

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

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

Currently, January is the cheapest month in which you can book a flight from Cardiff to London (average of £112). Flying from Cardiff to London in August is currently the most expensive (average of £164). 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 CWL to LON?

Find hourly flight availability from Cardiff to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

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

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 12 April 2025.
Peruse reviews from past customers who have flown with KLM, Aer Lingus and Ryanair from Cardiff to London to help guide your decision. 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
1,321 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

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
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

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
1,060 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

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
5,028 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

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
6,740 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

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 Cardiff to London. 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 from for flights from Cardiff to London?

    Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to London. You should not have trouble finding flights to London from Cardiff Wales; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Cardiff airport to London. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

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

    Flying on Ryanair is currently your cheapest option to London, with prices starting at £111. Additional return tickets that might be worth considering are offered by KLM and Aer Lingus, with the lowest prices starting at £309 and £393, respectively. Ryanair is priced at 65% lower than the current average price of a flight leaving 3 months from now.

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

    The most popular route from Cardiff to London is Cardiff Wales - London Heathrow. You may also consider Cardiff Wales - London Stansted or Cardiff Wales - London Gatwick.

  • What are the cheapest flights from Cardiff to London?

    While on average a flight from Cardiff to London is generally £1,017, our data shows the cheapest flight currently is £684. When looking at the most popular route, (Cardiff Wales - London Heathrow), you can expect to pay £193 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to London 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 Cardiff to London?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to London (average of £112). Flying from Cardiff to London in August is currently the most expensive (average of £164). 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?

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Deal
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Gatwick
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Hayes
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Watford

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Top airline flying from Cardiff to London

Discover the top airline that operate flights from Cardiff to London. 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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£225Average£335FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Deals for Cardiff to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Cardiff.

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

Need flexible booking options for your flight to London from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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