190 € Cheap Flights from Prague (PRG) to Kos (KGS)

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Flight deals from Prague to Kos

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

Find the cheapest month to fly from Prague to Kos

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

Prague to Kos: Flight information

The things to know before you go.
Cheapest flight found190 €
Cheapest month to flyMay

Finding cheap flights from Prague to Kos: Frequently asked questions

The best price we found for a return flight from Prague to Kos is 190 €. 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 Prague to Kos. But we found flights with one or more stops from 190 €.
As of November 2025, there are no flights flying from Prague to Kos.
The cheapest month to fly from Prague to Kos is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Prague Airport to Kos Airport on Wednesday, 27 May 2026.
No airlines currently offer direct flights between Prague 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, Aegean Airlines offers the cheapest flight tickets to Kos.

Flying from Vaclav Havel Airport Prague (PRG) to Kos Airport (KGS): what you need to know

  • The average duration of a direct flight from Vaclav Havel Airport Prague to Kos Airport is 2 hours 45 minutes.

  • Flights from PRG to KGS start at 04:50 — the earliest with SmartWings. The last departure is at 19:20 with SmartWings. Overall, you can choose from four weekly Vaclav Havel Airport Prague to Kos Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to catch your PRG to KGS flight.

  • Travelling during a peak period like school or public holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • SmartWings is the most frequently booked airline on this route.

  • Consider adding a stopover when booking your ticket from Vaclav Havel Airport Prague to Kos Airport. Just uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here are some options between PRG and KGS:

    • Vienna International Airport

    • Naples International Airport

    • Frankfurt Airport

How to find the cheapest flights from Vaclav Havel Airport Prague (PRG) to Kos Airport (KGS)

  • Right now, 87 € is the lowest price we've seen for a one-way Vaclav Havel Airport Prague to Kos Airport flight. The best price for a return plane ticket is 190 €. Bear in mind that fares could change due to availability when booking.

  • Score cheap tickets from PRG to KGS by booking 11 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • Organise your trip for October. That's the cheapest month for flights from Vaclav Havel Airport Prague to Kos Airport. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest airfare across each month.

  • Save time looking for cheap flights from PRG to KGS by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Vaclav Havel Airport Prague to Kos Airport.

Handy information about Vaclav Havel Airport Prague (PRG)

  • 69.89% of flights that take off from Vaclav Havel Airport Prague reach their destination on time.

  • Central Prague to Vaclav Havel Airport Prague is around 18 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of about 50 minutes when using public transport.

  • Get your holiday off to a hassle-free start by staying near PRG. Whether you're boarding an early flight from Vaclav Havel Airport Prague to Kos Airport or just don't like being rushed, these stays are the answer:

Arriving at Kos Airport (KGS)

  • To get the lowest price, book your vehicle from Kos Airport about three weeks before you travel.

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