Cheap flights from Klagenfurt to London from £49
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 1 July 2025.
Round-trip from | £49 |
---|---|
Popular in | August |
Cheapest in | January |
Average price | £131 |
Good one-way deal | £23 or less |
Find flight deals from Klagenfurt to London
Cheapest flights from Klagenfurt to LondonExplore 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 1 July 2025.
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 1 July 2025.
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 1 July 2025.
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
KlagenfurtLondon
KLU - STN
KLUSTN
Klagenfurt
Thu 7/8
22:25-23:30
Nonstop2h 05m
London Stansted
Thu 28/8
18:55-22:00
Nonstop2h 05m
KlagenfurtLondon
KLU - STN
KLUSTN
Klagenfurt
Wed 24/9
16:55-11:50
2 stops19h 55m
London Stansted
Thu 25/9
18:55-22:00
Nonstop2h 05m
KlagenfurtLondon
KLU - LGW
KLULGW
Klagenfurt
Wed 24/9
16:55-08:35
1 stop16h 40m
London Gatwick
Sat 27/9
20:00-18:40
2 stops21h 40m
KlagenfurtLondon
KLU - LTN
KLULTN
Klagenfurt
Wed 24/9
16:55-00:50
1 stop8h 55m
London Luton
Sat 27/9
21:25-18:40
2 stops20h 15m
KlagenfurtLondon
KLU - LHR
KLULHR
Klagenfurt
Sat 20/9
15:00-21:40
1 stop7h 40m
London Heathrow
Tue 30/9
06:00-23:25
1 stop16h 25m
KlagenfurtLondon
KLU - LHR
KLULHR
Klagenfurt
Sat 26/7
05:45-09:00
1 stop4h 15m
London Heathrow
Thu 14/8
06:55-14:00
2 stops6h 05m
KlagenfurtLondon
KLU - LGW
KLULGW
Klagenfurt
Wed 27/8
16:55-10:40
2 stops18h 45m
London Gatwick
Fri 29/8
12:20-22:10
1 stop8h 50m
KlagenfurtLondon
KLU - LTN
KLULTN
Klagenfurt
Tue 22/7
08:45-23:20
2 stops15h 35m
London Luton
Tue 29/7
18:10-16:20
2 stops21h 10m
KlagenfurtLondon
KLU - LHR
KLULHR
Klagenfurt
Thu 14/8
15:00-07:40
2 stops17h 40m
London Heathrow
Thu 21/8
07:25-14:00
2 stops5h 35m
KlagenfurtLondon
KLU - SEN
KLUSEN
Klagenfurt
Sun 14/9
21:10-12:10
1 stop16h 00m
London Southend
Thu 18/9
20:35-22:10
2 stops24h 35m
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.
Cheapflights Insights
Everything you need to know about your flight from Klagenfurt to London
How far ahead should I book a flight from Klagenfurt to London?
Use this chart to determine the optimal time to book a return flight from Klagenfurt to London. Price data was last updated on 27 June 2025.
The best time to book flights from Klagenfurt to London is 13 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.
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 £112). Flying from Klagenfurt to London in August is currently the most expensive (average of £164). 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 1 July 2025.
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.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 1 July 2025.
See what other customers who have flown with Austrian Airlines, Ryanair, andLufthansa from Klagenfurt to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Comfort
Boarding
Entertainment
Crew
Food
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Comfort
Boarding
Entertainment
Crew
Food
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Comfort
Boarding
Entertainment
Crew
Food
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Comfort
Boarding
Entertainment
Crew
Food
Reviews
Dominik,Jun 2025
VIE - VNO
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.
Travelling to a place near Klagenfurt?
Book flights to Klagenfurt if you plan to visit one of these locationsBrowse 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.
Alternative routes for Klagenfurt to London
See prices for flight routes from nearby airports that may be better suited for you.
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.