Flight from London (LON) to Klagenfurt (KLU) from 158 £
Flight Information
Cheapest flight from 158 £ 
Departure and arrival airport LON-KLU
Book your flights from London to Klagenfurt right away!
Looking for affordable round-trip flights from London to Klagenfurt? Then check out our offers to find the best option for your journey. For example, you can fly from London to Klagenfurt and back in January 2027 for 158 £.
Whether you’re planning to spend your vacation in Austria or traveling to Klagenfurt for a business meeting, a Lufthansa flight makes your journey from the United Kingdom to your destination both comfortable and convenient.
Stay entertained on board with our selection of newspapers and magazines from around the world. Simply download our Lufthansa eJournals to your mobile device before your outbound or return flight and enjoy your reading. After landing in Austria, you’ll be ready to start your activities.
Discover the Lufthansa App, which offers a variety of practical services. Get your mobile boarding pass, reserve your preferred seat, or book additional flights – all conveniently from your smartphone. Do you travel often? With our Miles & More program, you’ll earn rewards and privileges that make your future travel planning even more attractive.
This way, you can fully enjoy your flight without stress. Just choose the month you’d like to travel. The lowest-cost round-trip flight from London to Klagenfurt is available for 158 £ for travelling in January 2027.
Please note: To provide you with the widest possible selection of flight destinations, some of the direct flights or connecting flights on lufthansa.com are operated by our partner airlines, which may result in a different flight experience than with Lufthansa.
Train to flight: direct and convenient
Travel seamlessly to your worldwide destination: with our Lufthansa Express Rail offer, your journey starts from your nearest railway station. You may also look forward to attractive terms.
Enjoy a pleasant journey to our main airports – with synchronised schedules and guaranteed connections. If a train is delayed, you will be rebooked onto the next flight. Even better: Your train and flight journeys are linked, so you only need to check in once.
Do you participate in our Miles & More programme? Then you’ll already earn miles and points starting with the first train.
Flying from London to Klagenfurt: tips and information for your trip
Fly from London to Klagenfurt (LON - KLU) and start your holidays in Austria. Located on the eastern side of the river bank of the Wörthersee lake, it offers something for everybody. Outdoor lovers can enjoy the beautiful view of the lake or hike in the nearby mountain area. You can visit the Neuer Platz to see the memorial of the winged dragon, the coat of arms of Klagenfurt. Discover Klagenfurt and Austria and stroll through the historic city centre and sit in one of the outdoor cafés. Do not miss this great opportunity for our offers on flights from London to Klagenfurt. Book now and enjoy a pleasant flight with us.
Current weather in Klagenfurt
FAQ
With Lufthansa’s online check-in, you can conveniently check in as early as 23 hours before departure, choose your seat, and either print your boarding pass or have it sent to your smartphone. Online check-in is available on our website and in the Lufthansa App. For more information, visit our online check-in section.
We offer a selection of snacks and high-quality meals that vary depending on your travel class and flight duration. For example, you can purchase fresh snacks on Economy Class flights that are longer than one hour. On long-haul flights, complimentary meals and beverages are provided even in Economy Class. Learn more about our onboard menus.
The free baggage allowance and applicable fees for additional baggage depend on your route, flight class and the fare. Use our baggage calculator to find out how much baggage you are allowed to bring with you on your flight and how you can add additional baggage.
Yes, our Lufthansa Inflight Entertainment offers excellent onboard entertainment. A wide selection of the latest movies, music, games, and more is available on long-haul flights to make your journey more enjoyable. What's more, free digital magazines and newspapers are available as eJournals on all Lufthansa flights. Learn more in our online inflight entertainment guide.
Prices for flights from London to Klagenfurt start at 158 £ at lufthansa.com.
If a flight is cancelled, we automatically rebook all affected passengers. The new flight connection will then be displayed under "My bookings". If you need help, our Lufthansa Chat Assistant Elisa will be happy to assist you.
Baggage allowance refers to the amount of baggage you can bring with you at no extra cost. The size, weight and number of bags or suitcases depends on the fare you have booked, the flight route and your Miles & More status.
Premium Economy Class is our extra comfortable travel class, perfect for long-haul flights. Enjoy numerous advantages such as extra wide seating with increased reclining for a relaxing flight.
You can upgrade to Business Class online in "My Bookings." Our system automatically checks which flights can be upgraded. See how to do this here. You can book upgrades up to 360 days before your flight and until 24 hours before departure.
You have several upgrade options: Premium Economy Class, Business Class or First Class. Find out more about each option here.
No, the fare conditions of your original ticket still apply after the upgrade. This means the rules for changing your booking, getting a refund, and baggage do not change. You still get the same baggage allowance as your original ticket.
Yes, you can use miles to pay for upgrades. You can find more information about this here.
An upgrade requires several things, depending on the kind you would like to book. The main thing is that there must be free seats in the higher class. There is also a time limit: You can book an upgrade from 360 days before your flight until 24 hours before departure. You can find all the details here.
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