Cheap flights from London Heathrow Airport to Klagenfurt from £129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Klagenfurt departing on 15/8. 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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Austrian Airlines flights from London Heathrow Airport to Klagenfurt
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Lufthansa flights from London Heathrow Airport to Klagenfurt
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How to get the cheapest flight ticket from London Heathrow Airport to Klagenfurt
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 day to depart on your flight to Klagenfurt?
According to our data, Wednesday is the cheapest day to fly to Klagenfurt from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £49. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £138. These prices are subject to change though, so be sure to set up a Price Alert for flights to Klagenfurt.
What is the cheapest time of day to depart on your flight to Klagenfurt?
Our data shows that the cheapest London Heathrow Airport to Klagenfurt flights are usually those with departure times in the evening. Our users have found flights to Klagenfurt in the evening for as low as £50. In contrast, the most expensive time of day to depart to Klagenfurt is in the morning when prices are around £97.
When to book flights from London Heathrow Airport to Klagenfurt
Cheap London Heathrow Airport to Klagenfurt (LHR to KLU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Klagenfurt
How far is London Heathrow to Klagenfurt by plane?
The distance between London Heathrow and Klagenfurt is about 745.3 mi. By plane, this route typically takes 5h 35m.
When did momondo last update prices for flights from London Heathrow Airport to Klagenfurt Airport?
Prices for flights from London Heathrow Airport to Klagenfurt Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Klagenfurt Airport?
The number of operators available for flights from London Heathrow Airport to Klagenfurt Airport is 1 as of July 2025.
How old do you have to be to fly from London Heathrow Airport to Klagenfurt Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Klagenfurt Airport.
What documentation or ID do you need to fly to Klagenfurt Airport?
The required travel and health documents for your Klagenfurt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Klagenfurt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London Heathrow Airport to Klagenfurt?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Klagenfurt is Austrian Airlines, representing 100% of all bookings.
Best airlines flying from London Heathrow Airport to Klagenfurt
Compare and see reviews for airlines that fly from London Heathrow Airport to Klagenfurt with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £154 | Free Cancellation | Rating 7.6 809 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Klagenfurt?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Klagenfurt from London.
Can I find flights from London to Klagenfurt with flexible booking policies on momondo?
Yes. All flights to Klagenfurt from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Klagenfurt?
momondo provides multiple filters to help you find the best flight to Klagenfurt from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Klagenfurt right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Klagenfurt from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.