$129 Cheap Flights from Prague (PRG) to Kos (KGS)

View $129 flight on Thu, Oct 8, 2026Opens in a new window

Popular airlines from Vaclav Havel Airport (PRG) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Prague to Kos (PRG-KGS)

Prices were available within the past 7 days and start at $129 for one-way flights and $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jun 17 - Fri, Jun 26
PRG
Prague
KGS
Kos
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jun 17 from Prague to Kos, returning Fri, Jun 26, priced at $212 found 4 days ago
Lufthansa
Wed, Jun 17 - Fri, Jun 26
PRG
Prague
KGS
Kos
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jun 17 from Prague to Kos, returning Fri, Jun 26, priced at $214 found 4 days ago
Lufthansa
Sat, May 16 - Wed, May 27
PRG
Prague
KGS
Kos
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, May 16 from Prague to Kos, returning Wed, May 27, priced at $225 found 2 days ago
Lufthansa
Sat, May 16 - Wed, May 27
PRG
Prague
KGS
Kos
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, May 16 from Prague to Kos, returning Wed, May 27, priced at $226 found 2 days ago
Austrian Airlines
Sun, May 17 - Wed, May 27
PRG
Prague
KGS
Kos
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Sun, May 17 from Prague to Kos, returning Wed, May 27, priced at $244 found 2 days ago
Swiss International Air Lines
Sat, May 16 - Wed, May 27
PRG
Prague
KGS
Kos
$252 Roundtrip, found 2 days ago
$252
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Sat, May 16 from Prague to Kos, returning Wed, May 27, priced at $252 found 2 days ago
Lufthansa
Sat, May 16 - Fri, May 29
PRG
Prague
KGS
Kos
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, May 16 from Prague to Kos, returning Fri, May 29, priced at $253 found 2 days ago
Lufthansa
Sat, May 16 - Mon, May 25
PRG
Prague
KGS
Kos
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, May 16 from Prague to Kos, returning Mon, May 25, priced at $255 found 2 days ago
Brussels Airlines
Sat, May 16 - Wed, May 27
PRG
Prague
KGS
Kos
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, May 16 from Prague to Kos, returning Wed, May 27, priced at $271 found 2 days ago
Aegean
Thu, May 14 - Mon, May 25
PRG
Prague
KGS
Kos
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select Aegean flight, departing Thu, May 14 from Prague to Kos, returning Mon, May 25, priced at $289 found 2 days ago

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Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city center is 25 minutes. Flights from $588
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city center25 min
Flights from $588

Frequently asked questions

How much does a flight from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $129 or cheap return flight from $212 from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS)?
June is the least expensive month to fly from PRG to KGS. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PRG to KGS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS)?
You'll have to catch a flight with a layover when traveling from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from PRG to KGS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS)?
Choose a flight from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS) last-minute?
Last-minute bookings from PRG to KGS are typically more expensive. To secure the cheapest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a PRG to KGS flight and hotel package?
Compared with arranging hotels and flights separately, booking a PRG to KGS flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Vaclav Havel Airport (PRG) to Kos Island Intl. Airport (KGS)?
In most cases, you're able to reschedule or cancel your PRG to KGS flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Vaclav Havel
Destination airport
Kos Island Intl.
Roundtrip price
$212
Distance
1118 mi

Book with confidence

Prague to Kos Flights

The cheapest times to fly from Prague to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Prague to Kos are during the month of June. You can find some of the cheapest flights from Prague to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Prague to Kos

Sunday is one of the best days to book for cheap flights from Prague to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Prague to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Prague to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $129 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Prague to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Prague to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Prague to Kos Flights

*Flight schedules are subject to change.

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*Available to One Key members.