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Cheap flights from Klagenfurt to the United Kingdom from £19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to the United Kingdom departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Klagenfurt to the United Kingdom

Cheap return flights

Ryanair Logo
22:25 - 23:30KLU-STN
2h 05mdirect
Ryanair Logo
16:50 - 19:55STN-KLU
2h 05mdirect
£59Ryanair
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Ryanair Logo
22:25 - 23:30KLU-STN
2h 05mdirect
Ryanair Logo
16:50 - 19:55STN-KLU
2h 05mdirect
£60Ryanair
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Ryanair Logo
22:25 - 23:30KLU-STN
2h 05mdirect
Ryanair Logo
16:50 - 19:55STN-KLU
2h 05mdirect
£62Ryanair
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Ryanair Logo
22:25 - 23:30KLU-STN
2h 05mdirect
Ryanair Logo
05:55 - 09:05STN-KLU
2h 10mdirect
£62Ryanair
Find Deal
Thu, 4 Sep - Sat, 13 Dec
Logo
14:55 - 07:15KLU-STN
17h 20m2 stops
Logo
16:50 - 19:55STN-KLU
2h 05mdirect
£102
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Logo
22:25 - 23:30KLU-STN
2h 05mdirect
Logo
08:20 - 18:40STN-KLU
9h 20m1 stop
£107
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Austrian Airlines Logo
14:50 - 21:40KLU-LHR
7h 50m1 stop
Austrian Airlines Logo
19:25 - 13:55LHR-KLU
17h 30m1 stop
£173Austrian Airlines
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Austrian Airlines Logo
15:00 - 18:40KLU-LHR
4h 40m1 stop
Austrian Airlines Logo
06:00 - 23:25LHR-KLU
16h 25m1 stop
£174Austrian Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
Lufthansa Logo
05:45 - 15:40KLU-LHR
10h 55m2 stops
Lufthansa Logo
07:25 - 14:00LHR-KLU
5h 35m2 stops
£216Lufthansa
Find Deal
Wed, 15 Oct - Sun, 19 Oct
Lufthansa Logo
14:50 - 21:00KLU-LHR
7h 10m2 stops
Lufthansa Logo
07:40 - 13:55LHR-KLU
5h 15m2 stops
£219Lufthansa
Find Deal
Mon, 24 Nov - Sat, 29 Nov

Austrian Airlines flights from Klagenfurt to United Kingdom

Our best Austrian Airlines deals on Klagenfurt to United Kingdom flight tickets
Austrian Airlines
7 Nov
KLU14:50Klagenfurt
7h 50m
1 stop
LHR21:40London Heathrow
9 Nov
LHR19:25London Heathrow
17h 30m
1 stop
KLU13:55Klagenfurt
£173
Find similar
Austrian Airlines
2 Oct
KLU15:00Klagenfurt
4h 40m
1 stop
LHR18:40London Heathrow
9 Oct
LHR06:00London Heathrow
16h 25m
1 stop
KLU23:25Klagenfurt
£174
Find similar
Austrian Airlines
15 Oct
KLU15:00Klagenfurt
4h 40m
1 stop
LHR18:40London Heathrow
19 Oct
LHR06:00London Heathrow
7h 00m
1 stop
KLU14:00Klagenfurt
£175
Find similar

Lufthansa flights from Klagenfurt to United Kingdom

Our best Lufthansa deals on Klagenfurt to United Kingdom flight tickets
Lufthansa
15 Oct
KLU05:45Klagenfurt
10h 55m
2 stops
LHR15:40London Heathrow
19 Oct
LHR07:25London Heathrow
5h 35m
2 stops
KLU14:00Klagenfurt
£216
Find similar
Lufthansa
24 Nov
KLU14:50Klagenfurt
7h 10m
2 stops
LHR21:00London Heathrow
29 Nov
LHR07:40London Heathrow
5h 15m
2 stops
KLU13:55Klagenfurt
£219
Find similar
Lufthansa
8 Nov
KLU05:45Klagenfurt
8h 15m
2 stops
LHR13:00London Heathrow
11 Nov
LHR06:35London Heathrow
6h 20m
2 stops
KLU13:55Klagenfurt
£220
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Klagenfurt to United Kingdom 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, momondo users made 279,928 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Klagenfurt to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 4/9

22:25-23:30

Nonstop2h 05m

London Stansted

Sun 7/9

16:50-19:55

Nonstop2h 05m

£59

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 11/9

22:25-23:30

Nonstop2h 05m

London Stansted

Sun 14/9

16:50-19:55

Nonstop2h 05m

£60

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 4/9

22:25-23:30

Nonstop2h 05m

London Stansted

Sun 7/9

16:50-19:55

Nonstop2h 05m

£62

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 4/9

22:25-23:30

Nonstop2h 05m

London Stansted

Sat 13/12

05:55-09:05

Nonstop2h 10m

£62

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 11/9

14:55-07:15

2 stops17h 20m

London Stansted

Sun 14/9

16:50-19:55

Nonstop2h 05m

£102

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 11/9

22:25-23:30

Nonstop2h 05m

London Stansted

Sun 14/9

08:20-18:40

1 stop9h 20m

£107

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 7/11

14:50-21:40

1 stop7h 50m

London Heathrow

Sun 9/11

19:25-13:55

1 stop17h 30m

£173

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Thu 2/10

15:00-18:40

1 stop4h 40m

London Heathrow

Thu 9/10

06:00-23:25

1 stop16h 25m

£174

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Wed 15/10

05:45-15:40

2 stops10h 55m

London Heathrow

Sun 19/10

07:25-14:00

2 stops5h 35m

£216

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Mon 24/11

14:50-21:00

2 stops7h 10m

London Heathrow

Sat 29/11

07:40-13:55

2 stops5h 15m

£219

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Klagenfurt to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Klagenfurt is in January. Flight prices, which tend to average around £63, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Klagenfurt during the month November is also very affordable. Most momondo users find prices during this month for around £73.

What is the cheapest Klagenfurt to United Kingdom flight route?

Fly from Klagenfurt to London Stansted for the best Klagenfurt - United Kingdom flight prices

What cabin class options are available on Klagenfurt to United Kingdom flights?

There are 1 cabin classes available to choose from on Klagenfurt to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Klagenfurt to United Kingdom flights?

You could potentially save up to 45% on your flight if you consider stops on a Klagenfurt to United Kingdom flight.

Cheap Klagenfurt to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to United Kingdom

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Fri and Sun

Airports in United Kingdom

1 airport
The fastest flight from Klagenfurt to United Kingdom takes 2h 05m
Direct flights go from Klagenfurt to United Kingdom on Monday, Tuesday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport near United Kingdom: London Stansted (STN)
Search flight deals

  • When did momondo last update prices for flights from Klagenfurt Airport to United Kingdom?

    Prices for flights from Klagenfurt Airport to United Kingdom are refreshed on a daily basis.

  • How old do you have to be to fly from Klagenfurt Airport to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Klagenfurt Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Klagenfurt to United Kingdom?

Why use momondo?

Why should I use momondo to find a flight deal from Klagenfurt to United Kingdom?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Klagenfurt to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Klagenfurt to United Kingdom with flexible booking policies on momondo?

All flight searches from Klagenfurt to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Klagenfurt to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Klagenfurt. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Klagenfurt to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Klagenfurt to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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