LON - CWL

£44 Find Cheap Flights from London to Cardiff – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£72
Typical prices: £103-£503
Ryanair
Tue 16/10Thu 18/10
STN - CWL • 1 stop
Cheapest one-way flight
£44
Typical prices: £163-£340
Ryanair
Sat 29/9
STN - CWL • 1 stop
Top routes
LTN - CWL
Cheapest • 70% average savings
LGW - CWL
Most popular
Insights
Insights
When to travel
January
Cheapest • 62% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dublin (DUB)
Cheapest • Avg £125 (return)
Belfast City (BHD)
Shortest trip • 4h 13m (one-way)
Insights
Insights
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We hope you enjoy your trip to Cardiff!
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Cheap Flights from London to Cardiff (LON-CWL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Cardiff

Fri, 16 Oct - Sun, 18 Oct
Ryanair Logo
22:50 - 06:55STN  London Stansted-CWL Cardiff Wales
8h 05m1 stop Dublin
Ryanair Logo
21:45 - 07:50CWL  Cardiff Wales-STN London Stansted
10h 05m1 stop Dublin
£72Ryanair
Fri, 16 Oct - Sun, 18 Oct
Ryanair Logo
22:50 - 06:55STN  London Stansted-CWL Cardiff Wales
8h 05m1 stop Dublin
Ryanair Logo
21:45 - 07:50CWL  Cardiff Wales-STN London Stansted
10h 05m1 stop Dublin
£73Ryanair
Fri, 16 Oct - Sun, 18 Oct
Ryanair Logo
22:50 - 06:55STN  London Stansted-CWL Cardiff Wales
8h 05m1 stop Dublin
Ryanair Logo
21:45 - 07:50CWL  Cardiff Wales-STN London Stansted
10h 05m1 stop Dublin
£74Ryanair
Mon, 5 Oct - Tue, 13 Oct
Ryanair Logo
14:25 - 21:45LTN  London Luton-CWL Cardiff Wales
7h 20m1 stop Dublin
Ryanair Logo
23:15 - 09:15CWL  Cardiff Wales-LTN London Luton
10h 00m1 stop Dublin
£75Ryanair
Tue, 13 Oct - Tue, 20 Oct
Ryanair Logo
16:20 - 22:50STN  London Stansted-CWL Cardiff Wales
6h 30m1 stop Dublin
Ryanair Logo
23:15 - 07:50CWL  Cardiff Wales-STN London Stansted
8h 35m1 stop Dublin
£77Ryanair
Tue, 13 Oct - Tue, 20 Oct
Ryanair Logo
13:10 - 22:50LTN  London Luton-CWL Cardiff Wales
9h 40m1 stop Dublin
Ryanair Logo
23:15 - 09:15CWL  Cardiff Wales-LTN London Luton
10h 00m1 stop Dublin
£77Ryanair
Tue, 13 Oct - Tue, 20 Oct
Ryanair Logo
18:20 - 22:50LGW  London Gatwick-CWL Cardiff Wales
4h 30m1 stop Dublin
Ryanair Logo
23:15 - 08:20CWL  Cardiff Wales-LGW London Gatwick
9h 05m1 stop Dublin
£77Ryanair
Wed, 14 Oct - Wed, 21 Oct
Ryanair Logo
13:05 - 23:25LGW  London Gatwick-CWL Cardiff Wales
10h 20m1 stop Dublin
Ryanair Logo
23:50 - 09:20CWL  Cardiff Wales-LGW London Gatwick
9h 30m1 stop Dublin
£77Ryanair
Fri, 16 Oct - Fri, 30 Oct
Ryanair Logo
22:00 - 06:55STN  London Stansted-CWL Cardiff Wales
8h 55m1 stop Dublin
Ryanair Logo
23:10 - 07:50CWL  Cardiff Wales-STN London Stansted
8h 40m1 stop Dublin
£78Ryanair
Mon, 5 Oct - Fri, 16 Oct
Ryanair Logo
14:25 - 21:45LTN  London Luton-CWL Cardiff Wales
7h 20m1 stop Dublin
Ryanair Logo
22:45 - 08:25CWL  Cardiff Wales-LTN London Luton
9h 40m1 stop Dublin
£78Ryanair
Booking Insights

Price, demand, and travel trends for London to Cardiff flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to Cardiff with more confidence.

How much is a return flight from London to Cardiff?

Return flights from London to Cardiff start at £72. Prices are below average for this route right now, with typical return fares ranging from £103 to £503. The lowest price found in the past 5 days was £72 on Ryanair.

What is the cheapest London to Cardiff flight route?

London Luton Airport (LTN) to Cardiff (CWL) is the cheapest London to Cardiff route, averaging £74 return. Other London to Cardiff routes average £301, based on KAYAK data over the past 12 months.

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Key details for London to Cardiff flights

Low season

March

Cheapest flight

£44
Best time to beat the crowds (55% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flights from London Stansted Airport to Cardiff

When to book flights from London to Cardiff

Are your dates flexible? Find out the best times to travel from London to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London to Cardiff flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London to Cardiff?

    Flights from London to Cardiff may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Cardiff Wales (CWL).

  • Which cabin classes can I book on flights from London to Cardiff?

    Only Economy class is available on flights from London to Cardiff.

  • Which airports do connecting flights from London to Cardiff pass through?

    One-stop flights from London to Cardiff most commonly connect through:

    • Dublin (DUB) – 48% of one-stop connections
    • Amsterdam Schiphol (AMS) – 37% of one-stop connections
    • Belfast City (BHD) – 9% of one-stop connections
    • London Heathrow (LHR) – 4% of one-stop connections

    Dublin (DUB) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London to Cardiff?

    Yes. Being flexible with your travel dates can save you up to 87% on the London to Cardiff route. Friday is the cheapest departure day at £88 return on average, while Monday is the most expensive at £633, a difference of £545. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from London to Cardiff?

    There are currently no direct flights available from London to Cardiff. Flights with 1 stopover take between 4h 13m and 8h 14m in total, depending on the connection.

  • Do I need a passport to fly from London to Cardiff?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from London to Cardiff looking right now?

    One-way fares from London to Cardiff are currently lower than usual. Average one-way flight prices are about £47, which is 77% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from London to Cardiff?

    Flying via Belfast City (BHD) gives the shortest average 1-stop total travel time of 4h 13m, compared to 5h 01m via London Heathrow (LHR) and 5h 34m via Amsterdam Schiphol (AMS).

  • Which car hire options are available at Cardiff Wales Airport (CWL)?

    Cardiff Wales Airport (CWL) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include:
    • Alamo
    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National

  • How much should I expect to pay for a London to Cardiff flight?

    Return flights from London to Cardiff range from £103 to £503, with an average of £230 over the past 12 months. Anything below £103 counts as a good deal.

Your guide to booking London to Cardiff flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average £88 – about £545 less than Monday (86% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Cardiff trip for January. Fares historically average £88 return in that month – typically £545 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from London to Cardiff

Complete your trip to Cardiff with a hotel stay or car hire

Car hire in Cardiff
Hotels in Cardiff
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