Find flights
Deals
When to book
FAQs

Cheap flights from Klagenfurt to London from £13

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
KLU — LON
23 Jun — 30 Jun1
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
Explore the most affordable flight options available from Klagenfurt to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 May 2026.

Sat 23/511:55
KLU
-
STN
Nonstop2h 05m
Ryanair
Sat 30/508:10
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 21/5£33
Sat 6/611:55
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 8/606:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 20/5£34
Sat 6/611:55
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 15/606:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 23/5£36
Wed 1/716:05
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 6/706:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 23/5£37
Mon 8/610:30
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 15/606:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 23/5£39
Sat 4/711:55
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 6/706:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 20/5£42
Mon 8/610:30
KLU
-
STN
Nonstop2h 05m
Ryanair
Sat 13/608:10
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 23/5£42
Sat 13/611:55
KLU
-
STN
Nonstop2h 05m
Ryanair
Mon 15/606:45
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 21/5£44
Mon 1/610:30
KLU
-
STN
Nonstop2h 05m
Ryanair
Wed 3/612:25
STN
-
KLU
Nonstop2h 05m
Ryanair
Deal found 22/5£45
Tue 26/515:15
KLU
-
LTN
1 stop10h 15m
Multiple Airlines
Mon 1/615:15
LTN
-
KLU
2 stops22h 25m
Multiple Airlines
Deal found 19/5£105
Wed 8/717:55
KLU
-
LTN
2 stops18h 05m
Multiple Airlines
Mon 13/715:15
LTN
-
KLU
2 stops22h 25m
Multiple Airlines
Deal found 20/5£116
Tue 26/515:15
KLU
-
LGW
2 stops18h 15m
Multiple Airlines
Mon 1/617:35
LGW
-
KLU
2 stops20h 05m
Multiple Airlines
Deal found 19/5£135

Find flight deals from Klagenfurt to London

Discover tips and strategies to find the most affordable flight options for your journey from Klagenfurt (KLU) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 May 2026.

Round-trip from

£34

One-way from

£13

Popular in

March

Cheapest in

January

Average price

£77
Ryanair
  • Ryanair
  • 6/6-8/6
  • Nonstop
  • 4h 10m total
  • Klagenfurt to London
Search Deals
Ryanair
  • Ryanair
  • 6/6
  • Nonstop
  • 2h 05m total
  • Klagenfurt to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Klagenfurt to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 May 2026.
Use the filters below to find and compare flights from Klagenfurt to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 6/6

11:55-13:00

Nonstop2h 05m

London Stansted

Mon 8/6

06:45-09:50

Nonstop2h 05m

£34

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 13/6

11:55-13:00

Nonstop2h 05m

London Stansted

Mon 15/6

06:45-09:50

Nonstop2h 05m

£34

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Mon 8/6

10:30-11:35

Nonstop2h 05m

London Stansted

Sat 13/6

08:10-11:15

Nonstop2h 05m

£42

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 10/6

16:05-17:10

Nonstop2h 05m

London Stansted

Sat 13/6

08:10-11:15

Nonstop2h 05m

£45

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Mon 6/7

10:30-11:35

Nonstop2h 05m

London Stansted

Wed 8/7

12:25-15:30

Nonstop2h 05m

£59

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 27/6

11:55-13:00

Nonstop2h 05m

London Stansted

Mon 29/6

06:45-09:50

Nonstop2h 05m

£63

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 23/9

16:05-17:10

Nonstop2h 05m

London Stansted

Wed 30/9

12:25-15:30

Nonstop2h 05m

£69

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Tue 23/6

15:15-00:30

1 stop10h 15m

London Luton

Mon 29/6

15:15-14:40

2 stops22h 25m

£144

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Tue 23/6

15:15-12:40

2 stops22h 25m

London Gatwick

Mon 29/6

21:35-14:40

1 stop16h 05m

£162

KlagenfurtLondon

KLU - SEN

KLUSEN

Klagenfurt

Fri 3/7

22:10-08:40

1 stop11h 30m

London Southend

Mon 6/7

06:30-15:10

1 stop7h 40m

£163

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, February is the cheapest month in which you can book a flight from Klagenfurt to London (average of £19). Flying from Klagenfurt to London in August is currently the most expensive (average of £67). 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?

Find hourly flight availability from Klagenfurt to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 May 2026.

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?

How often are flights from Klagenfurt to London delayed?

About 29% of weekly flights between Klagenfurt and London have experienced delays in the past year, with the average delay time being 109 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?

Wednesday tends to have the lowest number of delays on this route, whereas Friday 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 28% 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 7 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

Find useful and relevant information for your journey from Klagenfurt to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 Austrian Airlines 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 Luton, 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, February is the cheapest month in which you can book a flight from Klagenfurt to London (average of £19). Flying from Klagenfurt to London in August is currently the most expensive (average of £67). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Romford
Guildford
Borehamwood
Southall
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Klagenfurt to London?

Deals for Klagenfurt to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Klagenfurt to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Klagenfurt to London.

Can Cheapflights find flights from Klagenfurt to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Klagenfurt to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Klagenfurt to London become cheaper?

Not ready to book yet? You can track prices for flights from Klagenfurt to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.