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Cheap flights from Cardiff to London from £113

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LON
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£113

Popular in

June

Cheapest in

May

Average price

£161
Ryanair
  • Ryanair
  • 12/8-13/8
  • 2 total stops
  • 14h 05m total
  • Cardiff to London
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 9% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in July 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 4 July 2025.

Tue 12/816:20CWL - STN
1 stop4h 40mRyanair
Wed 13/822:00STN - CWL
1 stop9h 25mRyanair
Deal found 3/7£113
Tue 12/816:20CWL - LGW
1 stop4h 35mRyanair
Wed 13/822:00LGW - CWL
1 stop9h 25mRyanair
Deal found 2/7£118
Tue 19/816:20CWL - LTN
1 stop5h 05mRyanair
Wed 20/819:20LTN - CWL
1 stop12h 05mRyanair
Deal found 3/7£122
Thu 28/807:55CWL - STN
1 stop8h 25mMultiple Airlines
Sun 31/815:55STN - CWL
2 stops20h 50mMultiple Airlines
Deal found 2/7£150
Tue 12/816:20CWL - LGW
2 stops16h 00mMultiple Airlines
Wed 13/817:35LGW - CWL
1 stop13h 50mMultiple Airlines
Deal found 3/7£157
Thu 28/807:55CWL - LTN
1 stop12h 50mMultiple Airlines
Sun 31/819:25LTN - CWL
2 stops17h 20mMultiple Airlines
Deal found 2/7£165
Tue 12/816:20CWL - LHR
1 stop4h 00mMultiple Airlines
Wed 13/821:10LHR - CWL
1 stop10h 15mMultiple Airlines
Deal found 3/7£197
Tue 12/816:20CWL - LCY
1 stop5h 20mMultiple Airlines
Wed 13/820:30LCY - CWL
1 stop10h 55mMultiple Airlines
Deal found 1/7£263
Mon 18/817:15CWL - LCY
1 stop14h 00mKLM
Mon 25/820:10LCY - CWL
1 stop13h 05mKLM
Deal found 3/7£322
Sun 17/812:00CWL - LHR
1 stop7h 25mBritish Airways
Sun 24/808:00LHR - CWL
1 stop3h 30mBritish Airways
Deal found 3/7£359
Thu 28/809:50CWL - LHR
1 stop6h 25mKLM
Sun 31/820:55LHR - CWL
1 stop12h 20mKLM
Deal found 2/7£384
Tue 12/812:00CWL - LCY
1 stop20h 15mAer Lingus
Wed 13/812:25LCY - CWL
1 stop23h 05mAer Lingus
Deal found 3/7£438

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 4 July 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 - STN

CWLSTN

Cardiff Wales

Tue 12/8

16:20-21:00

1 stop4h 40m

London Stansted

Wed 13/8

22:00-07:25

1 stop9h 25m

£113

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Tue 12/8

16:20-20:55

1 stop4h 35m

London Gatwick

Wed 13/8

22:00-07:25

1 stop9h 25m

£118

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Tue 19/8

16:20-21:25

1 stop5h 05m

London Luton

Wed 20/8

19:20-07:25

1 stop12h 05m

£122

CardiffLondon

CWL - STN

CWLSTN

Cardiff Wales

Thu 28/8

07:55-16:20

1 stop8h 25m

London Stansted

Sun 31/8

15:55-12:45

2 stops20h 50m

£150

CardiffLondon

CWL - LGW

CWLLGW

Cardiff Wales

Tue 12/8

16:20-08:20

2 stops16h 00m

London Gatwick

Wed 13/8

17:35-07:25

1 stop13h 50m

£157

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 28/8

07:55-20:45

1 stop12h 50m

London Luton

Sun 31/8

19:25-12:45

2 stops17h 20m

£165

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Tue 12/8

16:20-20:20

1 stop4h 00m

London Heathrow

Wed 13/8

21:10-07:25

1 stop10h 15m

£197

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Tue 12/8

16:20-21:40

1 stop5h 20m

London City

Wed 13/8

20:30-07:25

1 stop10h 55m

£263

CardiffLondon

CWL - LCY

CWLLCY

Cardiff Wales

Mon 18/8

17:15-07:15

1 stop14h 00m

London City

Mon 25/8

20:10-09:15

1 stop13h 05m

£322

CardiffLondon

CWL - LHR

CWLLHR

Cardiff Wales

Sun 17/8

12:00-19:25

1 stop7h 25m

London Heathrow

Sun 24/8

08:00-11:30

1 stop3h 30m

£359

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 14 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.

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 4 July 2025.

A simple way to save on the total cost of your ticket is to fly from Cardiff to London at midday. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the morning.

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 4 July 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Cardiff to London. 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
1,367 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

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.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

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.
Aer Lingus
7.1
Good
1,144 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

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.
Ryanair
6.9
Okay
5,145 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

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.
British Airways
6.6
Okay
7,093 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Entertainment

7.1

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 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 £113. Additional return tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at £322 and £359, respectively. Ryanair is priced at 62% 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 City. You may also consider Cardiff Wales - London Heathrow or Cardiff Wales - London Gatwick.

  • 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?

Book flights to Cardiff if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Maidstone
Guildford
Chichester

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£220Average£386FlexibilityNo 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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