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Cheap Flights from Barcelona to Kos

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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 return flight from Barcelona to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.R 1,320 per passenger.Departing Wed, 9 Jul.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Barcelona on Wed, 9 Jul, arriving in Kos.Price includes taxes and charges.From R 1,320, select.
Kos.R 1,355 per passenger.Departing Sun, 1 Jun.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Barcelona on Sun, 1 Jun, arriving in Kos.Price includes taxes and charges.From R 1,355, select.
Kos.R 1,607 per passenger.Departing Thu, 25 Sep.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Barcelona on Thu, 25 Sep, arriving in Kos.Price includes taxes and charges.From R 1,607, select.
Kos.R 1,676 per passenger.Departing Thu, 21 Aug.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Barcelona on Thu, 21 Aug, arriving in Kos.Price includes taxes and charges.From R 1,676, select.
Kos.R 1,932 per passenger.Departing Sat, 31 May.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Barcelona on Sat, 31 May, arriving in Kos.Price includes taxes and charges.From R 1,932, select.

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 July.
May
from R 1,932
Jun
from R 1,355
Jul
from R 1,320
Aug
from R 1,676
Sep
from R 1,607
Oct
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Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Barcelona to Kos: Flight information

The things to know before you go.
Cheapest flight foundR 1,320
Cheapest month to flyJuly

Finding cheap flights from Barcelona to Kos: Frequently asked questions

The best price we found for a return flight from Barcelona to Kos is R 2,812. 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 R 2,812.
As of May 2025, there are no flights flying from Barcelona to Kos.
The cheapest month to fly from Barcelona to Kos is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to Kos Airport on Sunday, 1 June 2025.
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, Vueling Airlines offers the cheapest flight tickets to Kos.

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to board your BCN to KGS flight.

  • Taking off during a peak period like school or public holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Barcelona-El Prat Airport to Kos Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between BCN and KGS:

    • Naples International Airport

    • Eleftherios Venizelos International Airport

    • Milano Malpensa Airport

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

  • R 1,320 is currently the best price for a one-way Barcelona-El Prat Airport to Kos Airport flight. A return flight starts from R 2,812. These fares can change depending on availability.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from BCN to KGS if you book early. Airlines often have some amazing early bird discounts.

  • If you can be flexible with your travel dates, use the 'Whole month' search function. It'll find the lowest price across each month when looking for your flight from Barcelona-El Prat Airport to Kos Airport.

  • Snapping up cheap flights from BCN to KGS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Barcelona-El Prat Airport to Kos Airport.

Handy information about Barcelona-El Prat Airport (BCN)

  • Of all flights departing from Barcelona-El Prat Airport, 79.12% land on time at their destination.

  • Central Barcelona to Barcelona-El Prat Airport is around 18 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip when using public transport will take about 35 minutes.

  • Catching an early flight from Barcelona-El Prat Airport to Kos Airport? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near BCN:

Arriving at Kos Airport (KGS)

  • For the lowest price, reserve your ride from Kos Airport around three weeks before you set off.

Plan the rest of your trip from Barcelona to Kos

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