Cheap flights from Klagenfurt to Sofia

One-way fares from € 217 · KLU → SOF · prices found by travellers in the last 48 hours

Compare all dates Sofia → Klagenfurt
Cheapest fare
€ 217

Eurowings · Mon, 14 Dec

Cheapest month
December

from € 217

Direct flights
Not recently

Usually 1+ stop

Quickest trip
6h 00m

840 km

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Cheapest month to fly from Klagenfurt to Sofia

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

  1. December 2026 Cheapest € 217

Cheapest dates in December 2026

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

Eurowings
Depart13:00 Mon, 14 DecKLU → SOF 6h 00m · 2 stops
€ 217one way, per person
View deal
See every date in December 2026 →

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Where to stay, what to do and getting around, from our travel partners.

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Things to do

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Getting around

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About flights from Klagenfurt to Sofia

Klagenfurt (KLU) and Sofia (SOF) are about 840 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 6h 00m. Over the next few months, one-way fares start from € 217, and December 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 Sofia?

The cheapest one-way fare we've seen recently is € 217 with Eurowings, departing Monday, 14 December 2026.

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

December 2026 currently has the lowest fares, from € 217 one way.

Are there direct flights from Klagenfurt to Sofia?

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

How long is the flight from Klagenfurt to Sofia?

The quickest journey we've seen takes about 6h 00m. Klagenfurt and Sofia are around 840 km apart.

Which airlines fly from Klagenfurt to Sofia?

Recent fares on this route were with Eurowings.

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