Flights from London to Klagenfurt from $493

Compare All LON to KLU Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
OS OS · 340	06:00 LON 15:10 KLU	0 stop(s)	9h 10m	$493 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

KLU

Klagenfurt Airport

City: Klagenfurt am Wörthersee
Country: AT
Type: Large Airport
Elevation: 1,472 ft

KLU Airport Guide →

Tips for London to Klagenfurt Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book LON–KLU flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $493, but prices as low as $493 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on LON–KLU is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Klagenfurt

Book accommodation at your destination — top-rated stays near KLU airport

Apart of me Klagenfurt

Klagenfurt, 4★

9.9 $100/night

Ibis Styles Klagenfurt Am Woerthersee

Klagenfurt, 3★

9.4 $139/night

limehome Klagenfurt Goessgasse

Klagenfurt, 3.5★

9.1 $88/night

limehome Klagenfurt Karfreitstraße

Select Hotel Moser Verdino Klagenfurt

Klagenfurt, 4★

8.8 $71/night

Frequently Asked Questions

Everything you need to know about flying LON to KLU

What is the cheapest flight from London to Klagenfurt?

The cheapest flight from London (LON) to Klagenfurt (KLU) currently starts at $493 with OS. Prices are updated regularly and may vary by date and availability.

How many airlines fly from LON to KLU?

We found 1 airline(s) operating on the LON–KLU route, including OS.

Are there direct flights from London to Klagenfurt?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from London to Klagenfurt is approximately $493. Prices range from $493 to $493 depending on airline, time, and class.

How long is the flight from LON to KLU?

The average flight duration from London to Klagenfurt is approximately 9 hours 10 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on LON–KLU flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.