- Cheapest fare
- €105
- Cheapest month
- September
- Direct flights
- Not recently
- Quickest trip
- 4h 15m
Sky Express Greece · Thu, Sep 9
from €105
Usually 1+ stop
2,200 km
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Cheapest month to fly from Kos to Barcelona
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in September 2027
The lowest fares we've seen for each day, cheapest first.
See every date in September 2027 →Plan the rest of your trip to Barcelona
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Getting around
About flights from Kos to Barcelona
Kos (KGS) and Barcelona (BCN) are about 2,200 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 4h 15m. Over the next few months, one-way fares start from €105, and September 2027 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 Kos to Barcelona?
The cheapest one-way fare we've seen recently is €105 with Sky Express Greece, departing Thursday, September 9, 2027. Over the coming months, the lowest fare in each month ranges from €105 to €167.
What is the cheapest month to fly from Kos to Barcelona?
September 2027 currently has the lowest fares, from €105 one way.
Are there direct flights from Kos to Barcelona?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Kos to Barcelona?
The quickest journey we've seen takes about 4h 15m. Kos and Barcelona are around 2,200 km apart.
Which airlines fly from Kos to Barcelona?
Recent fares on this route were with Aegean Airlines, Sky Express Greece, Olympic Air and Ryanair.