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

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Travellers and cabin class, 1 Adult, Economy

Compare Prague 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

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Flight deals from Prague to Kos

Looking for a cheap last-minute deal or the best return flight from Prague Airport to Kos Airport? If you want to travel next month, return fares start from £180. Find the lowest prices on one-way and return tickets right here.

Kos.£57 per passenger.Departing Tue, 20 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Prague on Tue, 20 Oct, arriving in Kos.Price includes taxes and charges.From £57, select.

Kos.£86 per passenger.Departing Sun, 1 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Prague on Sun, 1 Nov, arriving in Kos.Price includes taxes and charges.From £86, select.

Kos.£91 per passenger.Departing Sun, 1 Nov.One-way flight with Smart Wings.Outbound direct flight with Smart Wings departs from Prague on Sun, 1 Nov, arriving in Kos.Price includes taxes and charges.From £91, select.

Kos.£91 per passenger.Departing Sun, 18 Oct.One-way flight with Smart Wings.Outbound direct flight with Smart Wings departs from Prague on Sun, 18 Oct, arriving in Kos.Price includes taxes and charges.From £91, select.

Kos.£92 per passenger.Departing Thu, 8 Jul.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Prague on Thu, 8 Jul, arriving in Kos.Price includes taxes and charges.From £92, select.

Kos.£107 per passenger.Departing Thu, 17 Dec.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from Prague on Thu, 17 Dec, arriving in Kos.Price includes taxes and charges.From £107, select.

Kos.£109 per passenger.Departing Fri, 14 May.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Prague on Fri, 14 May, arriving in Kos.Price includes taxes and charges.From £109, select.

Kos.£122 per passenger.Departing Sat, 12 Jun.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Prague on Sat, 12 Jun, arriving in Kos.Price includes taxes and charges.From £122, select.

Kos.£122 per passenger.Departing Sun, 31 Jan.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Prague on Sun, 31 Jan, arriving in Kos.Price includes taxes and charges.From £122, select.

Kos.£122 per passenger.Departing Wed, 17 Mar.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Prague on Wed, 17 Mar, arriving in Kos.Price includes taxes and charges.From £122, select.

Kos.£133 per passenger.Departing Mon, 26 Apr.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Prague on Mon, 26 Apr, arriving in Kos.Price includes taxes and charges.From £133, select.

What’s the cheapest month to fly from Prague Airport to Kos Airport?

Right now, flights from Prague Airport to Kos Airport are cheapest in October, with prices from £57. That's £76 less than you’d pay in April.

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Cheapest month:October

Most expensive month:April

When’s the best time to visit Kos?

We analysed thousands of flight and hotel prices, plus a whole heap of weather data, to show you what Kos is typically like each month. If you're after a great deal, June currently has the lowest return flights from £145. But if you're searching for sunshine, July and August are the warmest months, with average temperatures of 25°C - 27°C.

October

Temperature21°C - 22°C

RainfallVery dry

(0–20mm)

Cheapest return flight£148

Cheapest 3-star hotel£25

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November

Temperature18°C - 20°C

RainfallModerate

(61–120mm)

Cheapest return flight£180

Cheapest 3-star hotel£71

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December

Temperature15°C - 17°C

RainfallWet

(121–250mm)

Cheapest return flight£244

Cheapest 3-star hotel£72

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January

Temperature14°C - 16°C

RainfallWet

(121–250mm)

Cheapest return flight£408

Cheapest 3-star hotel£72

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February

Temperature12°C - 15°C

RainfallModerate

(61–120mm)

Cheapest return flight£200

Cheapest 3-star hotel£72

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March

Temperature13°C - 16°C

RainfallDry

(21–60mm)

Cheapest return flight£216

Cheapest 3-star hotel£72

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April

Temperature16°C - 18°C

RainfallDry

(21–60mm)

Cheapest return flight£224

Cheapest 3-star hotel£44

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May

Temperature18°C - 20°C

RainfallVery dry

(0–20mm)

Cheapest return flight£213

Cheapest 3-star hotel£37

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June

Temperature22°C - 24°C

RainfallVery dry

(0–20mm)

Cheapest return flight£145

Cheapest 3-star hotel£41

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July

Temperature25°C - 27°C

RainfallVery dry

(0–20mm)

Cheapest return flight£216

Cheapest 3-star hotel£54

Find a flight

Direct flights from Prague to Kos

Prague to Kos: Flight information

The things to know before you go.

Cheapest flight found	£57
Cheapest month to fly	October
Average flight time	2 hrs, 45 mins
Most popular airline	Smart Wings
Average flights per week	5

Finding cheap flights from Prague to Kos: Frequently asked questions

How much are return flights from Prague to Kos?

The best price we found for a return flight from Prague to Kos is £145. 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.

How long does it take to fly from Prague to Kos?

2 hours and 45 minutes is the average flight time from Prague to Kos.

Which airlines fly direct from Prague to Kos?

Smart Wings and Eurowings fly direct from Prague to Kos.

How many flights are there a week from Prague to Kos?

As of October 2026, there are 5 flights per week flying from Prague to Kos.

When is the cheapest time to fly from Prague to Kos?

The cheapest month to fly from Prague to Kos is usually June.

Which upcoming date is cheapest to fly from Prague Airport to Kos Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Prague Airport to Kos Airport on Friday, 4 June 2027.

Can I get a direct flight from Prague Airport to Kos Airport?

Yes – the average flight time is 2 hours and 45 minutes.

How can I find the best flight deal to Kos?

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.

When is the best time to book flights to Kos?

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.

Which is the cheapest airline to fly from Prague Airport to Kos with?

Currently, Brussels Airlines and Smart Wings offer 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, £57 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 £145. 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 11 miles. 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: