Cheap flights from Klagenfurt to London

One-way fares from € 378 · KLU → LON · prices found by travellers in the last 48 hours

Compare all dates London → Klagenfurt
Cheapest fare
€ 378

Austrian Airlines · Tue, 10 Nov

Cheapest month
November

from € 378

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 15m

1,180 km

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Cheapest month to fly from Klagenfurt to London

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest € 378

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Austrian Airlines
Depart11:15 Tue, 10 NovKLU → LHR 3h 15m · 1 stop
€ 378one way, per person
View deal
See every date in November 2026 →

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About flights from Klagenfurt to London

Klagenfurt (KLU) and London (LON) are about 1,180 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 15m. Over the next few months, one-way fares start from € 378, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Klagenfurt to London?

The cheapest one-way fare we've seen recently is € 378 with Austrian Airlines, departing Tuesday, 10 November 2026.

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

November 2026 currently has the lowest fares, from € 378 one way.

Are there direct flights from Klagenfurt to London?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Klagenfurt to London?

The quickest journey we've seen takes about 3h 15m. Klagenfurt and London are around 1,180 km apart.

Which airlines fly from Klagenfurt to London?

Recent fares on this route were with Austrian Airlines.

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