Cheap flights from Kos to Barcelona

✈️ Fares in September 2026 start from €62 — found by real travellers in the last 48 hours.

Compare all Kos → Barcelona flights

Cheapest day to fly in September 2026

Popular flights from Kos

Kos to London · Kos to Paris · Kos to Rome · Kos to Milan · Kos to Berlin · Kos to Munich · Kos to Frankfurt · Kos to Amsterdam · Kos to Madrid · Kos to Lisbon · Kos to Vienna · Kos to Zurich

Flights to Barcelona from other cities

Athens to Barcelona · Thessaloniki to Barcelona · Heraklion to Barcelona · Rhodes to Barcelona · Kerkyra to Barcelona · Chania to Barcelona · Thira to Barcelona · Mikonos to Barcelona · Kos to Barcelona · Zakinthos to Barcelona · London to Barcelona · Paris to Barcelona

Frequently asked questions

How much is a flight from Kos to Barcelona?

Cached market fares for September 2026 start from €62 one-way. Prices are found by real travellers in the last 48 hours and confirmed at checkout.

Which airlines fly from Kos to Barcelona?

Recent fares on this route are offered by FR, LS, A3 and others. ScanFlyGo compares 1,200+ airlines and agencies.

What is the cheapest day to fly from Kos to Barcelona?

ScanFlyGo shows the cheapest fare for each day of September 2026 — check the price table above to pick the cheapest date, then book directly with the provider.

Is Kos to Barcelona a direct flight?

Both direct and connecting options may be available. Use the ScanFlyGo search to filter by stops, airline and time.

Can I track my Kos to Barcelona flight live?

Yes. ScanFlyGo has a built-in live flight tracker with a real-time map, so you can follow your aircraft on the day by flight number.

Does ScanFlyGo charge booking or service fees?

No. ScanFlyGo is a free flight metasearch — we compare fares and send you to the airline or agency to book. The price is confirmed at their checkout with no extra fee from us.

About Kos to Barcelona flights

ScanFlyGo compares Kos (Kos Airport, KGS) to Barcelona (Barcelona-El Prat Airport, BCN) fares across 1,200+ airlines and agencies via the Aviasales network. The cheapest fare found for September 2026 is €62. Prices shown are the lowest cached market fares; the final price is always confirmed at the partner's checkout. You can also search the return route Barcelona → Kos, or use the full live search for exact dates, stops, airline filters and a live map to track your flight on the day.

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