C$106 Cheap Flights from Barcelona to Kos

Compare Barcelona to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

Book the best Kos fare with no extra fees

Flight deals from Barcelona to Kos

Looking for a cheap last-minute deal or the best round-trip flight from Barcelona to Kos? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Barcelona to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to Kos flights are currently cheapest in June.

Barcelona to Kos: Flight information

The things to know before you go.
Cheapest flight foundC$106
Cheapest month to flyJune

Finding cheap flights from Barcelona to Kos: Frequently asked questions

The best price we found for a return flight from Barcelona to Kos is C$177. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Barcelona to Kos. But we found flights with one or more stops from C$177.
As of February 2026, there are no flights flying from Barcelona to Kos.
The cheapest month to fly from Barcelona to Kos is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to Kos Airport on Saturday, April 18, 2026.
No airlines currently offer direct flights between Barcelona Airport and Kos Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Wizz Air UK offers the cheapest flight tickets to Kos.

Traveling from Barcelona-El Prat Airport (BCN) to Kos Airport (KGS): what you need to know

  • Longer lines at check-in and security are likely if you're heading away during high season, so allow even more breathing space. A good rule for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • To break up your flight from Barcelona-El Prat Airport to Kos Airport, add a stopover to your trip. Just deselect 'Direct flights only' and find a destination that appeals to you. The top stopovers on the BCN - KGS route are:

    • Eleftherios Venizelos International Airport

    • Milano Malpensa Airport

    • Naples International Airport

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to Kos Airport (KGS)

  • C$106 is currently the best price for a one-way ticket from Barcelona-El Prat Airport to Kos Airport. Return flights start from C$177. These prices may change depending on demand.

  • Don't wait until the last moment. You're more likely to get cheap flight tickets from BCN to KGS if you book in advance. Airlines often have some excellent early bird discounts.

  • Finding cheap flight tickets from Barcelona-El Prat Airport to Kos Airport is easier if you're flexible with your travel plans. Try using the 'Whole month' search tool to see the lowest fares across every month and snap up a great deal.

  • Create a Price Alert for cheap flight tickets from BCN to KGS. You don't need to check every day to see if prices have fallen. We'll notify you the moment the price changes.

  • Play around with filters to find the right journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Barcelona-El Prat Airport to Kos Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Barcelona-El Prat Airport (BCN)

  • Barcelona-El Prat Airport is about 18 kilometres from central Barcelona. If you're driving, catching a cab or ride-sharing from the center, it'll take 24 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 33 minutes.

  • Want a handy hotel close to BCN? If you're catching an early flight from Barcelona-El Prat Airport to Kos Airport, these accommodation options will have you moments from check-in:

Arriving at Kos Airport (KGS)

Getting from Kos Airport (KGS) to central Greece

  • The center of Greece is roughly 434 kilometres from Kos Airport. Travel times by car rental or cab will vary depending on traffic conditions and time of day, so do a little research before your trip.

When to fly to Kos Airport (KGS)

  • The quietest month for a flight from Barcelona-El Prat Airport to Kos Airport is February, while August is the busiest. Pick the ideal time to go to Greece based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Greece is July, with temperatures ranging between 22ºC and 33ºC. Book your flights from Barcelona-El Prat Airport to Kos Airport in this month if this is the type of weather you like.

  • If you like traveling in cooler conditions, look for a cheap ticket from BCN to KGS in January. Average temperatures are between 2ºC and 13ºC then.

More about Greece

  • If you're looking for somewhere to lay your head, you can find the best places to stay in Greece right here. Explore these options once you've locked in your flight from BCN to KGS:

  • All great vacations should include a little sightseeing. Agios Panteleimonas, Κύμα - Kyma - The wave and Τρείς μώλοι / Three piers beach are must-visits when exploring Greece.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.