The cheapest times to fly from KLU to LGW are

  • April 16th to June 24th (except the week of June 11th)
  • July 16th to August 5th
  • October 8th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from KLU to LGW is early December. Prices can be as high as $2551 for Sunday flights during late March, or as low as $45 for Wednesday flights around early December.


When to Fly to London

Flying from Klagenfurt (KLU) to London (LGW) will usually cost between $118 to $2490 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $456. Due to high demand the most expensive time to fly is late March, with an average price of $1509. Planning your trip to low-cost times can easily save you $1053 on economy flights and even more on first-class flights. Generally, any price below $519 can be considered a good price for a round-trip KLU to LGW flight.

See below for a graph of average weekly prices for the KLU to LGW route. All prices are for round-trip tickets in USD.

KLU to LGW Flight Prices

Compared to other flights, the KLU to LGW flight is cheaper than the average and costs much less than the average flight leaving from Klagenfurt. The average price per mile (for a direct flight) is $0.44, which is a bit above average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to London, and Fridays are the most expensive days to return to Klagenfurt. Selecting flights on the least expensive days could save you up to $1266 (65%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $491. Return trip prices are from the LGW to KLU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from KLU to LGW can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 18 minutes may be realistic.


Flight Hacking KLU to LGW

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from KLU to LGW — but Champion Traveler does!

Hack #1: Vienna (KLU > VIE > LGW)

  • Price for both tickets: $270
  • Average savings: $249 (47.93%)

See KLU to HAM flights

Hack #2: Hamburg (KLU > HAM > LGW)

  • Price for both tickets: $392
  • Average savings: $128 (24.57%)

See KLU to VIE flights

Hack #3: Cologne (KLU > CGN > LGW)

  • Price for both tickets: $405
  • Average savings: $115 (22.06%)

See KLU to CGN flights


Flight Questions Answered

Still have questions about flying from KLU to LGW? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air Baltic, Air Dolomiti, Air France, Austrian, Belavia, British Airways, Brussels Airlines, Croatia, easyJet, KLM, Lufthansa, SWISS, Tap Air Portugal, and potentially more during busy seasons.

How far away is it from London Gatwick Airport to Klagenfurt Airport?

The distance between the two airports is roughly 728 miles or 1172 kilometers.

How long does it take to fly from KLU to LGW?

The real-world flight time for a nonstop KLU to LGW flight is about 2 hour 18 minutes.

How many flights go between Klagenfurt and London?

It depends on the day of the week and the date, but a typical day might have around 35 available flights from KLU to LGW.


Airport Location Info


Departing Airport

Origination code KLU
Origination airport name Klagenfurt Airport
City Klagenfurt
Country Austria
Latitude 46.6
Longitude 14.3

Return Airport

Destination code LGW
Destination airport name London Gatwick Airport
City London
Country the United Kingdom
Latitude 51.1
Longitude -0.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.