Cheap Flights from Klagenfurt (KLU) to London (LOND)

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      Ryanair

      Compare Klagenfurt to London flight deals

      Find the cheapest month or even day of the year to fly to London

      Book the best London fare with no extra fees

      Flight deals from Klagenfurt to London

      Looking for a cheap last-minute deal or the best return flight from Klagenfurt Airport to London? If you want to travel next month, return fares start from $96. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Klagenfurt to London

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Klagenfurt to London flights are currently cheapest in October.

      Direct flights from Klagenfurt to London

      Ryanair

      Klagenfurt to London: Flight information

      The things to know before you go.
      Cheapest flight found$65
      Cheapest month to flyOctober
      Average flight time2 hrs, 5 mins
      Most popular airlineRyanair
      Average flights per week3

      Finding cheap flights from Klagenfurt to London: Frequently asked questions

      There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
      The best price we found for a return flight from Klagenfurt to London is $65. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 5 minutes is the average flight time from Klagenfurt to London.
      Ryanair flies direct from Klagenfurt to London.
      As of August 2026, there are 6 flights per week flying from Klagenfurt to London.
      The cheapest month to fly from Klagenfurt to London is usually October.
      If you're flying from Klagenfurt Airport, the cheapest airport near London is London Stansted – which is 48.7 km away from the centre of London. We've found flights into this airport from $65.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Klagenfurt Airport to London on Monday, 5 October 2026.
      Yes – the average flight time is 2 hours and 5 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 17°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
      Currently, Ryanair offers the cheapest flight tickets to London.

      Travelling from Klagenfurt Airport (KLU) to London: what you need to know

      • London is one hour behind Klagenfurt, where Klagenfurt Airport is located. London follows the UTC+0 timezone.

      • The most popular route is from Klagenfurt Airport (KLU) to London Stansted Airport (STN). You can select from two weekly services between these two airports. If you want to get on your way as soon as you can, the earliest flight from KLU to STN is the 09:20 Ryanair option. If you'd rather fly out later on, the last departure is at 22:25 with Ryanair.

      • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your KLU to London flight.

      • During popular months such as September, it's wise to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during high season in general.

      • You can book a direct Klagenfurt Airport to London ticket. Start your trip at KLU and land at London Stansted Airport (STN).

      • Book your ticket with Ryanair. This leading carrier offers direct flights from Klagenfurt Airport to London.

      • A stopover is the perfect opportunity to break up your trip and maybe even tick a new city off your list. When searching for plane tickets from KLU to London, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

        • Vienna International Airport (VIE)

        • Palma de Mallorca Airport (PMI)

        • Alicante-Elche Miguel Hernandez Airport (ALC)

      • KLU is around 3 kilometres from central Klagenfurt. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 10 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 20 minutes.

      • Looking for a hotel close to KLU? If you're boarding an early flight from Klagenfurt Airport to London, these accommodation options will get you from your pillow to the plane in no time:

      • 89% of flights departing from Klagenfurt Airport reach their destination on time. Given its strong on-time performance, disruptions are unlikely when taking off from KLU.

      How to find the cheapest flights from Klagenfurt Airport (KLU) to London

      • $29 is the cheapest price we've found for a one-way Klagenfurt Airport to London flight. A round-trip ticket right now is $65. Depending on when you book and the availability, these fares could change.

      • To pick up cheap flights from KLU to London, reserve your trip 11 months before your planned departure.

      • April is the best month for landing a fantastic deal on Klagenfurt Airport to London tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

      • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from KLU to London.

      • Tailor your flights with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Klagenfurt Airport to London.

      Airports in London

      London Heathrow Airport (LHR)

      • London Heathrow Airport (LHR) to central London takes around 45 minutes by car. The centre is roughly 24 kilometres away.

      • When travelling by public transport, expect a journey time of about 25 minutes.

      • Book a hotel near LHR if you have a late flight from Klagenfurt Airport to London. Select one of these options and make your first night all about catching up on rest:

      • To secure the lowest price, reserve your vehicle from London Heathrow Airport about one week ahead of your flight from KLU to London.

      London Gatwick Airport (LGW)

      • London Gatwick Airport (LGW) is around 48 kilometres from the centre of London. After your flight from Klagenfurt Airport to London, it'll take you around 1 hour 5 minutes to reach the heart of the city in a taxi or ride-share.

      • If you're catching public transport, it'll take around 1 hour 20 minutes.

      • You'll find some great places to park your luggage (and yourself) near LGW. Unwind and get cosy after your KLU to London flight at one of these perfectly located options:

      • Call dibs on the best options. Reserving your ride from LGW three weeks ahead of time often means better prices and a greater selection of vehicles.

      London Stansted Airport (STN)

      • London Stansted Airport (STN) is around 56 kilometres from central London. It'll take you about 1 hour 5 minutes to get to the city centre by car once you've stepped off your flight from Klagenfurt Airport to London.

      • The journey will take you roughly 45 minutes on public transport.

      • Enjoy an unhurried start to your trip by choosing a hotel near STN after your KLU to London flight. Recover from your travel day or simply give yourself time to settle into a new destination at:

      • If you're looking for a vehicle with specific features, book your ride from STN around four weeks before your flight from Klagenfurt Airport to London. This improves your chances of getting the car you want, on top of a better deal.

      Best time to go to London

      • It's time to figure out your dates for your flight from Klagenfurt Airport to London. July is the most popular month for a trip to London. If you prefer a more relaxed atmosphere, go in January.

      • Lock in a Klagenfurt Airport to London plane ticket with a departure in July to experience the city during its warmest month. Expect temperatures to range from 11ºC (52ºF) to 26ºC (79ºF).

      • If you like cooler conditions, look for a cheap ticket from KLU to London in January when temperatures average between 0ºC (32ºF) and 9ºC (48ºF).

      More about London

      • Once you've booked your flight from Klagenfurt Airport to London, choose a hotel that puts you where you want to be. Make one of these options your base for exploring London:

      • Westminster Abbey and The British Museum are just two of the major attractions to put on your London must-do list. Keep the adventure rolling by checking out Big Ben.

      Explore more of the United Kingdom

      • You've seen London, now it's time to discover more of the United Kingdom. Journey about 257 kilometres northwest to Manchester to tick off its must-visit sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a full itinerary ahead.

      • Around 161 kilometres northwest of London, Birmingham is another essential stop in the United Kingdom. Get a taste of what this destination has to offer at Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.