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Cheap flights from Klagenfurt to London from £46

KLU — LON
20 Nov — 27 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Klagenfurt to London

Enter your travel dates to find the best prices.

Cheapest flights from Klagenfurt to London

Mon 19/1010:30 -
Nonstop2h 05m
Sat 24/1007:30 -
Nonstop2h 05m
Deal found 17/10£46
Wed 21/1017:55 -
1 stop7h 04m
Sat 24/1007:30 -
Nonstop2h 05m
Deal found 16/10£77
Tue 20/1015:15 -
1 stop17h 20m
Sat 24/1007:30 -
Nonstop2h 05m
Deal found 17/10£79
Mon 19/1010:30 -
Nonstop2h 05m
Tue 20/1013:15 -
1 stop27h 05m
Deal found 17/10£87
Mon 19/1010:30 -
Nonstop2h 05m
Wed 21/1010:10 -
1 stop6h 10m
Deal found 17/10£93
Mon 19/1010:30 -
Nonstop2h 05m
Thu 22/1016:25 -
1 stop28h 20m
Deal found 17/10£98
Sun 18/1016:15 -
1 stop22h 05m
Wed 21/1006:10 -
1 stop10h 10m
Deal found 17/10£159
Mon 19/1015:45 -
1 stop8h 50m
Tue 20/1007:00 -
1 stop6h 40m
Deal found 17/10£168
Mon 19/1015:45 -
2 stops18h 45m
Wed 21/1006:10 -
1 stop10h 10m
Deal found 17/10£170
Mon 19/1015:45 -
2 stops18h 45m
Fri 23/1006:30 -
1 stop14h 15m
Deal found 17/10£202
Wed 21/1017:55 -
1 stop19h 10m
Mon 26/1007:55 -
1 stop3h 25m
Deal found 17/10£255

Find flight deals from Klagenfurt to London

Round-trip from

£104

Popular in

March

Cheapest in

January

Average price

£95

Good one-way deal

£42 or less
Ryanair
  • Ryanair
  • 28/3-31/3
  • Nonstop
  • 4h 10m total
  • Klagenfurt to London
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Highest demand for flights based on searches. 8% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a one-way flight from Klagenfurt to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Klagenfurt to London that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 2/11

12:25-21:05

1 stop9h 40m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£117

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Tue 26/1

11:15-12:30

2 stops26h 15m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£125

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Thu 28/1

11:15-22:35

1 stop12h 20m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£130

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Wed 30/12

16:30-17:05

1 stop25h 35m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£143

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Sun 24/1

11:15-19:00

1 stop8h 45m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£149

KlagenfurtLondon

KLU Klagenfurt - LGW London Gatwick

KLULGW

Klagenfurt

Fri 27/11

11:15-17:20

2 stops31h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£149

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Fri 29/1

11:15-11:05

1 stop24h 50m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£157

KlagenfurtLondon

KLU Klagenfurt - LGW London Gatwick

KLULGW

Klagenfurt

Fri 18/12

13:00-19:05

1 stop7h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£160

KlagenfurtLondon

KLU Klagenfurt - LGW London Gatwick

KLULGW

Klagenfurt

Mon 2/11

12:25-07:15

1 stop19h 50m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£167

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 25/1

11:15-17:45

2 stops7h 30m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£168

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Klagenfurt to London

Have a flexible travel schedule? Discover the best time to fly to London from Klagenfurt with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Klagenfurt to London

What is the cheapest month to book a flight from Klagenfurt to London?

Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London (average of £38). Flying from Klagenfurt to London in August is currently the most expensive (average of £140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KLU to LON?

When flying from Klagenfurt to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Klagenfurt to London?

Airfare is typical for this route at the moment.
Klagenfurt to London flights typically cost between £44 and £122 in March.
The cheapest return price found within the last 5 days was £104 on Ryanair (28 Mar–31 Mar).

How often are flights from Klagenfurt to London delayed?

About 19% of weekly flights between Klagenfurt and London have experienced delays in the past year, with the average delay time being 112 minutes.

What is the most punctual flight time for Klagenfurt to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Klagenfurt to London flights?

Over the past year, Ryanair have had the lowest number of delays on this route, with just 19% of flights being delayed.

How far ahead should I book a flight from Klagenfurt to London?

The best time to book flights from Klagenfurt to London is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • What airport do you fly from for flights from Klagenfurt to London?

    If you book a flight to London from Klagenfurt, you will be flying from Klagenfurt, which is the city’s only airport. Klagenfurt (KLU) is located 2.0 mi from the center of Klagenfurt. There are 0 flights from Klagenfurt to London per day from 0 different airlines.

  • How long is the flight from Klagenfurt to London?

    There are many flights that can get you from Klagenfurt to London in 2h 05m. Fly via Ryanair or Eurowings to get the fastest option. Airlines will cover a distance of 729 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Klagenfurt to London?

    When deciding which route to take from Klagenfurt to London consider Klagenfurt - London Gatwick, Klagenfurt - London Stansted or Klagenfurt - London City as they are the most popular.

  • Can I find deals for flights from Klagenfurt to London that include hotel bookings?

    Yes. In addition to deals on Klagenfurt to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Klagenfurt to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Klagenfurt to London.

  • Can I find deals for business class flights from Klagenfurt to London?

    Yes. Cheapflights offers flight deals from Klagenfurt to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Klagenfurt to London?

    Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London (average of £38). Flying from Klagenfurt to London in August is currently the most expensive (average of £140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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