KLU - LON

£14 Find Cheap Flights from Klagenfurt to London – Compare and Save

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Everything you should know

Cheapest return flight
£44
Typical prices: £56-£188
Ryanair
Fri 28/9Fri 5/10
KLU - STN • Direct
Cheapest one-way flight
£14
Typical prices: £24-£129
Ryanair
Wed 17/10
KLU - STN • Direct
Direct flights
Not available
There are currently no direct flights between Klagenfurt and London. You'll need to take a connecting flight to reach the destination.
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Top routes
KLU - STN
Cheapest • 50% average savings
KLU - LHR
Most popular
Insights
Insights
Avoid delays
Ryanair
Most punctual • 81% on-time
Morning
Best time • Fewest delays
Insights
Insights
When to book
6 weeks
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 64% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Vienna Intl (VIE)
Cheapest • Avg £291 (return)
Cologne Köln/Bonn (CGN)
Shortest trip • 5h 22m (one-way)
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We hope you enjoy your trip to London!
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Flight Deals

Cheap Flights from Klagenfurt to London (KLU-LON)

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

Recent return flight deals from Klagenfurt to London

Mon, 28 Sep - Mon, 5 Oct
Ryanair Logo
10:30 - 11:35KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
06:45 - 09:50STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£44Ryanair
Mon, 28 Sep - Sat, 3 Oct
Ryanair Logo
10:30 - 11:35KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
07:30 - 10:35STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£46Ryanair
Sat, 3 Oct - Mon, 5 Oct
Ryanair Logo
11:00 - 12:05KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
06:45 - 09:50STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£47Ryanair
Sat, 3 Oct - Mon, 5 Oct
Ryanair Logo
11:00 - 12:05KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
06:45 - 09:50STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£47Ryanair
Sat, 3 Oct - Mon, 5 Oct
Ryanair Logo
11:00 - 12:05KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
06:45 - 09:50STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£48Ryanair
Wed, 30 Sep - Mon, 5 Oct
Ryanair Logo
16:05 - 17:10KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
06:45 - 09:50STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£52Ryanair
Wed, 30 Sep - Sat, 3 Oct
Ryanair Logo
16:05 - 17:10KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
07:30 - 10:35STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£52Ryanair
Mon, 12 Oct - Sat, 17 Oct
Ryanair Logo
10:30 - 11:35KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
07:30 - 10:35STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£55Ryanair
Mon, 12 Oct - Sat, 17 Oct
Ryanair Logo
10:30 - 11:35KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
07:30 - 10:35STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£56Ryanair
Mon, 12 Oct - Sat, 17 Oct
Ryanair Logo
10:30 - 11:35KLU  Klagenfurt-STN London Stansted
2h 05mdirect
Ryanair Logo
07:30 - 10:35STN  London Stansted-KLU Klagenfurt
2h 05mdirect
£61Ryanair
Booking Insights

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

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

How much is a return flight from Klagenfurt to London?

Return flights from Klagenfurt to London start at £44. Prices are below average for this route right now, with typical return fares ranging from £56 to £188. The lowest price found in the past 5 days was £44 on Ryanair.

What is the cheapest Klagenfurt to London flight route?

Klagenfurt (KLU) to London Stansted Airport (STN) is the cheapest Klagenfurt to London route, averaging £93 return. Other Klagenfurt to London routes average £232, based on KAYAK data over the past 12 months.

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

Saturday is the cheapest day of the week to fly from Klagenfurt to London and is 12% cheaper than the average day. Tuesday is the most expensive day with flight prices 107% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Klagenfurt to London at £37 return.
  • August (£156) and March (£154) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 322% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Klagenfurt to London the cheapest?

Flights from Klagenfurt to London are cheapest 6 weeks before departure. Booking in this window typically costs about 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Klagenfurt to London flights

Low season

February

Cheapest flight

£14
Best time to beat the crowds (35% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flights from Klagenfurt to London Stansted Airport

When to book flights from Klagenfurt to London

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

Your Klagenfurt to London flight questions, answered

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

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

    Among airlines operating Klagenfurt to London flights:

    • Ryanair: offers free seat selection

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

  • Which airlines are available on the route from Klagenfurt to London?

    Only Ryanair operates flights between Klagenfurt and London.

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

    Flights from Klagenfurt to London usually depart from Klagenfurt (KLU) and may arrive at 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).

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

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

    • Ryanair: a cabin bag and a checked bag in Economy class

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

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

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

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

    On this route, direct flights are cheaper than stopover options on average. Direct fares average £86 return, compared with £291 via a stopover through Vienna Intl (VIE).

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £20–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

    Connecting flights from Klagenfurt to London most commonly pass through:

    • Vienna Intl (VIE) – 99% of one-stop connections
    • Cologne Köln/Bonn (CGN) – 1% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    On the Klagenfurt to London route, being flexible with your departure day can save you up to 58%. Saturday is the cheapest day at £89 return on average, while Tuesday is the most expensive at £210 – a £120 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed on the route from Klagenfurt to London?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Klagenfurt to London route, 19% of flights were delayed in the past 3 months, with delays averaging 1 hour 47 minutes.

  • What popular places can I visit in London?

    Some of the most popular sights in London are London Victoria Station, London Euston Railway Station, and Hyde Park. These are among the most viewed places in London on KAYAK.

  • What are the earliest and latest flights from Klagenfurt to London?

    These are the earliest and latest flight times available from Klagenfurt to London:

    • Earliest: departs at 10:30 and lands at 12:35
    • Latest: departs at 16:05 and lands at 18:10.

    The flight takes about 2h 05m.

  • How expensive are last-minute Klagenfurt to London flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 27% below the route average of £102. Booking late can sometimes save money on this route, but inventory is limited.

  • How long is a flight from Klagenfurt to London?

    A direct flight from Klagenfurt to London takes 2h 05m, covering 733 miles.

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

    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 are flight prices from Klagenfurt to London looking right now?

    One-way fares from Klagenfurt to London are currently lower than usual. Average one-way flight prices are about £23, which is 50% below the typical average for this route.

  • How does Ryanair's on-time performance compare to other airlines on Klagenfurt to London flights?

    Ryanair is the only airline operating Klagenfurt to London flights. 81% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Klagenfurt to London?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 4h 52m, compared to 5h 22m via Cologne Köln/Bonn (CGN).

  • What is the time difference between Klagenfurt and London?

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

  • What car hire options are available in London?

    Since London is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) – daily rates from around £5:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) – daily rates from around £6:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) – daily rates from around £8:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Luton Airport (LTN) – daily rates from around £8:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • Budget

    Near London Stansted Airport (STN) – daily rates from around £7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

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

    Return flights from Klagenfurt to London range from £56 to £188, with an average of £102 over the past 12 months. Anything below £56 counts as a good deal.

Your guide to booking Klagenfurt to London 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 Saturday departure instead of Tuesday. On this route, Saturday flights average £89 – about £120 less than Tuesday (57% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 25% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Klagenfurt to London trip for January. Fares historically average £37 return in that month – typically £119 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    · Aloft London Excel
    · Good Hotel London
    · Crowne Plaza London Docklands By IHG

    Near London Heathrow Airport

    · Hilton London Heathrow Airport

    Near London Gatwick Airport

    · Premier Inn London Gatwick Airport

Prefer to fly direct from Klagenfurt to London?

 
Find which airlines fly direct from Klagenfurt Airport to London, which days they fly and book direct flights.

Direct departures

Klagenfurt to London

Monday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

See more direct flights

Direct returns

London to Klagenfurt

Monday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

See more direct flights

More options for your flight from Klagenfurt to London

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

Car hire in London
Hotels in London
Holidays in London