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Connecting route · Greece → Bulgaria

Flights from Kos to Sofia

There are no direct flights from Kos to Sofia. The easiest way is one stop via Athens or Rhodes, about 3h 33m door to door.

No direct flights · 3 connection options From 3h 33m
KGSSOFATH

Kos to Sofia at a glance

Fastest journey3h 33mEstimated
Nonstop flightsNoneConnect via Athens or Rhodes

Best ways to fly from Kos to Sofia

Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.

1
KGS Athens (ATH) SOF
Leg 1: Aegean Airlines, Sky Express (Greece) · Leg 2: Aegean Airlines, Bulgaria Air, Sky Express (Greece)
One airline, one ticket ~3h 33m
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2
KGS Rhodes (RHO) SOF
Leg 1: Sky Express (Greece) · Leg 2: Wizz Air, Ryanair
Self-transfer likely ~4h 37m
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3
KGS Heraklion (HER) SOF
Leg 1: Aegean Airlines · Leg 2: Bulgaria Air, Wizz Air
Self-transfer likely ~4h 50m
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Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.

Good to know

Distance
731 km454 miles
Journey time
3h 33mestimate
Time difference
NoneSofia vs Kos
Currency in Sofia
USD
Airports
KGS → SOF

Flights from Kos to Sofia: questions answered

Are there direct flights from Kos to Sofia?
No. There is no nonstop service, so you will connect, most easily in Athens, Rhodes and Heraklion. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Kos to Sofia?
With one connection the journey usually takes around 3h 33m, depending on the layover. The straight-line distance is 731 km.
Where do you change planes between Kos and Sofia?
The best connecting points are Athens (ATH), Rhodes (RHO) and Heraklion (HER). Aegean Airlines flies both legs via Athens, so you can book it as one ticket.
Which airports serve Kos and Sofia?
Kos: Kos International Airport "Ippokratis" (KGS). Sofia: Sofia Airport (SOF).

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