Question 1

What are the cheapest airlines flying from Klagenfurt to London Heathrow Airport round-trip?

Accepted Answer

Austrian Airlines, at £173, was found to be the cheapest airline from Klagenfurt to London Heathrow Airport. An alternate airline flying to your destination would be Lufthansa. These flights start at 16% lower than the current average price 3 months from now.

Question 2

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London Heathrow Airport (average of £112). Flying from Klagenfurt to London Heathrow Airport 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.

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 5

How far in advance should I book a flight from Klagenfurt to London Heathrow Airport?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 72% on flights from Klagenfurt to London Heathrow Airport compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £47. For sooner than that we have options available in the next 3 days from £82.

Question 6

What is the cheapest month to fly from Klagenfurt to London Heathrow Airport?

Accepted Answer

January can be a great time to fly to London Heathrow Airport from Klagenfurt with a flight ticket averaging about £116. Cheapflights users have found deals in the month of January for as cheap as £30. The most expensive prices can be found in the month of August.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

Klagenfurt (KLU) is the airport you will fly out of if you book a flight from Klagenfurt to London Heathrow. You should not have trouble finding flights to London Heathrow from Klagenfurt; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Klagenfurt airport to London Heathrow. It is only a 2.0 mi journey to Klagenfurt (KLU) from Klagenfurt’s city center.

Question 9

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

Accepted Answer

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

Question 10

How can I find direct flights from Klagenfurt to Heathrow?

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Klagenfurt to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 13

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Klagenfurt to Heathrow for you. Better yet — we are completely free to use.

Question 14

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Klagenfurt to Heathrow with no change fees.

Question 15

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

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Klagenfurt today and book when prices fit your budget.

Round-trip from	£173
One-way from	£93
Popular in	December
Cheapest in	January
Average price	£182

Cheap flights from Klagenfurt to London Heathrow Airport from £93

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Klagenfurt to Heathrow

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Cheapest flights from Klagenfurt to HeathrowExplore the most affordable flight options available from Klagenfurt to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Explore the most affordable flight options available from Klagenfurt to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

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Best time to book a flight from Klagenfurt to Heathrow

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

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

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Austrian Airlines and Lufthansa from Klagenfurt to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Klagenfurt to Heathrow. 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 Heathrow?

What are the cheapest airlines flying from Klagenfurt to London Heathrow Airport round-trip?

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

How can I find direct flights from Klagenfurt to Heathrow?

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

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

Travelling to a place near Klagenfurt?

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Alternative routes for Klagenfurt to Heathrow

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

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

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

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

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Cheapest flights from Klagenfurt to Heathrow
Explore the most affordable flight options available from Klagenfurt to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.