LON - KLU

£114 Find Cheap Flights from London to Klagenfurt – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£186
Typical prices: £81-£266
Austrian Airlines
Sat 24/11Sat 1/12
LHR - KLU • 1 stop
Cheapest one-way flight
£114
Typical prices: £31-£192
Multiple Airlines
Wed 17/1
STN - KLU • 1 stop
Direct flights
Not available
There are currently no direct flights between London and Klagenfurt. You'll need to take a connecting flight to reach the destination.
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Insights
Top routes
STN - KLU
Cheapest • 50% average savings
LHR - KLU
Most popular
Insights
Insights
When to travel
January
Cheapest • 78% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Vienna Intl (VIE)
Cheapest • Avg £318 (return)
Palma de Mallorca Son Sant Joan (PMI)
Shortest trip • 7h 39m (one-way)
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Insights
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We hope you enjoy your trip to Klagenfurt!
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Flight Deals

Cheap Flights from London to Klagenfurt (LON-KLU)

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

Recent return flight deals from London to Klagenfurt

Tue, 24 Nov - Tue, 1 Dec
Austrian Airlines Logo
06:00 - 10:30LHR  London Heathrow-KLU Klagenfurt
3h 30m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 25m1 stop Vienna Intl
£186Austrian Airlines
Tue, 26 Jan - Sun, 31 Jan
Austrian Airlines Logo
09:05 - 10:30LHR  London Heathrow-KLU Klagenfurt
24h 25m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 08:20KLU  Klagenfurt-LHR London Heathrow
22h 05m1 stop Vienna Intl
£187Austrian Airlines
Tue, 1 Dec - Thu, 10 Dec
Austrian Airlines Logo
06:00 - 10:30LHR  London Heathrow-KLU Klagenfurt
3h 30m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 08:20KLU  Klagenfurt-LHR London Heathrow
21h 40m1 stop Vienna Intl
£188Austrian Airlines
Wed, 25 Nov - Wed, 2 Dec
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 21:40KLU  Klagenfurt-LHR London Heathrow
11h 00m1 stop Vienna Intl
£189Austrian Airlines
Tue, 26 Jan - Sun, 31 Jan
Multiple Airlines Logo
17:50 - 10:30LHR  London Heathrow-KLU Klagenfurt
15h 40m2 stops Munich Franz Josef Strauss Vienna Intl
Multiple Airlines Logo
11:15 - 08:20KLU  Klagenfurt-LHR London Heathrow
22h 05m1 stop Vienna Intl
£191Multiple Airlines
Tue, 26 Jan - Mon, 1 Feb
Austrian Airlines Logo
19:25 - 10:30LHR  London Heathrow-KLU Klagenfurt
14h 05m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 25m1 stop Vienna Intl
£192Austrian Airlines
Wed, 27 Jan - Mon, 1 Feb
Austrian Airlines Logo
19:25 - 10:30LHR  London Heathrow-KLU Klagenfurt
14h 05m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 25m1 stop Vienna Intl
£192Austrian Airlines
Mon, 25 Jan - Mon, 1 Feb
Austrian Airlines Logo
19:25 - 10:30LHR  London Heathrow-KLU Klagenfurt
14h 05m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 25m1 stop Vienna Intl
£192Austrian Airlines
Tue, 24 Nov - Tue, 1 Dec
Multiple Airlines Logo
06:00 - 10:30LHR  London Heathrow-KLU Klagenfurt
3h 30m1 stop Vienna Intl
Multiple Airlines Logo
11:15 - 15:50KLU  Klagenfurt-LHR London Heathrow
29h 35m2 stops Vienna Intl Munich Franz Josef Strauss
£201Multiple Airlines
Thu, 3 Dec - Tue, 8 Dec
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 25m1 stop Vienna Intl
£201Austrian Airlines
Booking Insights

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

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

How much is a return flight from London to Klagenfurt?

Return flights from London to Klagenfurt typically range from £81 to £266. The lowest price found in the past 5 days was £186 on Austrian Airlines.

What is the cheapest London to Klagenfurt flight route?

London Stansted Airport (STN) to Klagenfurt (KLU) is the cheapest London to Klagenfurt route, averaging £116 return. Other London to Klagenfurt routes average £268, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Klagenfurt?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from London to Klagenfurt. It's 38% cheaper than the average day, while Sunday is the most expensive, with prices 72% higher.

What is the cheapest month to fly from London to Klagenfurt?

•January is the cheapest month to fly from London to Klagenfurt at £36 return.
•April (£677) and November (£377) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 1,777% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for London to Klagenfurt flights

Low season

November

Cheapest flight

£114
Beat the crowds with an average 68% drop in traveller numbers.
The most popular month to fly with an average 90% increase in traveller numbers.
One-way flight from London Stansted Airport to Klagenfurt

When to book flights from London to Klagenfurt

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

Your London to Klagenfurt flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

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

  • How long is a flight from London to Klagenfurt?

    A direct flight from London to Klagenfurt takes 00m, covering 733 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

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

    Return flights from London to Klagenfurt range from £81 to £266, with an average of £161 over the past 12 months. Anything below £81 counts as a good deal.

  • How much can I save by having a stopover when flying from London to Klagenfurt?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average £108 return, compared with £318 via a stopover through Vienna Intl (VIE).

  • What is the standard checked bag allowance on flights from London to Klagenfurt?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £33–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Have flight prices from London to Klagenfurt changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £186 to £812. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from London to Klagenfurt are currently higher than usual. Average one-way flight prices are about £134, which is 85% above the typical average for this route.

  • Which car hire options are available at Klagenfurt Airport (KLU)?

    Klagenfurt Airport (KLU) hosts 5 major car hire companies, with daily rates starting from around £17 for economy cars. Top options include:

    • Sixt
    • Europcar
    • Budget
    • Thrifty
    • Hertz

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

    Flights from London to Klagenfurt 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 Klagenfurt (KLU).

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

    Connecting flights from London to Klagenfurt most commonly pass through:

    • Vienna Intl (VIE) – 97% of one-stop connections
    • Palma de Mallorca Son Sant Joan (PMI) – 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 64% on flights from London to Klagenfurt. Monday is the cheapest departure day at £101 return on average, while Sunday is the most expensive at £278, a difference of £177.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 4h 43m, compared to 7h 39m via Palma de Mallorca Son Sant Joan (PMI).

  • What is the time difference between London and Klagenfurt?

    Klagenfurt is 1 hour ahead of London (Central European Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on London to Klagenfurt flights?

    Among airlines operating London to Klagenfurt flights:

    • Ryanair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on London to Klagenfurt flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a checked bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking London to Klagenfurt 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 Monday departure and avoid flying on Sunday. On this route, Monday flights average £101, about £177 less than Sunday fares (64% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Klagenfurt trip for January. Fares historically average £36 return in that month – typically £641 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Klagenfurt Airport.

    • Hotel Liebetegger
    • Cityhotel Ratheiser
    • Hotel Aragia

More options for your flight from London to Klagenfurt

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

Car hire in Klagenfurt
Hotels in Klagenfurt