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Cheap flights from Cardiff to London from £119

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LON
27 Feb — 6 Mar1
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 22 February 2025.

Round-trip from

£125

One-way from

£119

Popular in

July

Cheapest in

August

Average price

£335
Ryanair
  • Ryanair
  • 23/3-30/3
  • 2 total stops
  • 51h 00m total
  • Cardiff to London
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13/4
  • 13/4
  • 1 total stop
  • 23h 20m total
  • Cardiff to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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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 22 February 2025.

Sun 23/308:20CWL - LGW
1 stop24h 05mRyanair
Sun 30/309:50LGW - CWL
1 stop26h 55mRyanair
Deal found 21/2£125
Thu 24/407:55CWL - STN
1 stop6h 30mRyanair
Mon 28/406:25STN - CWL
1 stop6h 20mRyanair
Deal found 21/2£125
Thu 24/407:55CWL - LTN
1 stop7h 30mRyanair
Mon 28/409:00LTN - CWL
1 stop3h 45mRyanair
Deal found 21/2£130
Thu 24/410:25CWL - LGW
2 stops26h 20mMultiple Airlines
Mon 28/421:30LGW - CWL
1 stop18h 25mMultiple Airlines
Deal found 21/2£164
Thu 24/410:25CWL - STN
1 stop12h 55mMultiple Airlines
Mon 28/413:30STN - CWL
2 stops26h 25mMultiple Airlines
Deal found 21/2£170
Thu 24/420:15CWL - LTN
1 stop11h 25mMultiple Airlines
Mon 28/409:00LTN - CWL
2 stops30h 55mMultiple Airlines
Deal found 21/2£182
Mon 7/413:10CWL - LHR
1 stop25h 45mMultiple Airlines
Mon 14/414:20LHR - CWL
1 stop25h 35mMultiple Airlines
Deal found 21/2£209
Sun 23/310:20CWL - LHR
1 stop8h 55mKLM
Sun 30/308:40LHR - CWL
1 stop8h 05mKLM
Deal found 21/2£337
Sun 23/310:20CWL - LCY
1 stop8h 05mKLM
Sun 30/320:45LCY - CWL
1 stop12h 30mKLM
Deal found 21/2£349
Thu 24/420:15CWL - LCY
1 stop11h 45mMultiple Airlines
Mon 28/417:20LCY - CWL
2 stops18h 10mMultiple Airlines
Deal found 21/2£413
Thu 24/409:50CWL - SEN
1 stop6h 50mMultiple Airlines
Mon 28/416:55SEN - CWL
1 stop16h 20mMultiple Airlines
Deal found 21/2£437
Sun 23/312:55CWL - LCY
1 stop5h 45mAer Lingus
Sun 30/319:55LCY - CWL
1 stop15h 35mAer Lingus
Deal found 21/2£896

Find flights from Cardiff to London within your budget

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 22 February 2025.

Fly from

Cardiff

Fly to

London

Route

Depart

Return

Price

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Sun 23/3

08:20-08:25

1 stop24h 05m

London Gatwick

Sun 30/3

09:50-12:45

1 stop26h 55m

£125

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 24/4

07:55-14:25

1 stop6h 30m

London Stansted

Mon 28/4

06:25-12:45

1 stop6h 20m

£125

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 24/4

07:55-15:25

1 stop7h 30m

London Luton

Mon 28/4

09:00-12:45

1 stop3h 45m

£130

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Thu 24/4

10:25-12:45

2 stops26h 20m

London Gatwick

Mon 28/4

21:30-15:55

1 stop18h 25m

£164

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 24/4

10:25-23:20

1 stop12h 55m

London Stansted

Mon 28/4

13:30-15:55

2 stops26h 25m

£170

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 24/4

20:15-07:40

1 stop11h 25m

London Luton

Mon 28/4

09:00-15:55

2 stops30h 55m

£182

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Mon 7/4

13:10-14:55

1 stop25h 45m

London Heathrow

Mon 14/4

14:20-15:55

1 stop25h 35m

£209

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Sun 23/3

10:20-19:15

1 stop8h 55m

London Heathrow

Sun 30/3

08:40-16:45

1 stop8h 05m

£337

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Sun 23/3

10:20-18:25

1 stop8h 05m

London City

Sun 30/3

20:45-09:15

1 stop12h 30m

£349

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Thu 24/4

20:15-08:00

1 stop11h 45m

London City

Mon 28/4

17:20-11:30

2 stops18h 10m

£413

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 16 results
1
2

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.

Travel insights for flights from Cardiff to London

Get recent, data-driven insights about flights from Cardiff to London including ideal travel times, pricing trends, and more.

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 £163). 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 22 February 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 22 February 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
1,332 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,332 reviews
KLM
7.8
Good
1,332 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,332 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Ryanair
6.8
Okay
5,066 reviews
KLM
7.8
Good
1,332 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 £125. Additional return tickets that might be worth considering are offered by KLM and Aer Lingus, with the lowest prices starting at £337 and £896, respectively. Ryanair is priced at 64% 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 Luton.

  • 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 £163). 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
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Wembley
Southend-on-Sea
Ipswich
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Maidstone
Crawley
Southall
Watford
Dartford
Stansted

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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 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£231Average£346FlexibilityNo 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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