£356 Find Cheap Flights from Prague to Kos – Compare and Save

Only Smartwings operates flights between Prague and Kos.

Flights from Prague to Kos usually depart from Václav Havel Prague (PRG) and arrive at Kos (KGS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Smartwings: a cabin bag and a checked bag in Economy class
• Eurowings: a checked bag in Economy class class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Prague to Kos.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £180 return via Zurich (ZRH), compared with £322 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £51–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A220-300 family is used most often on this route, operated mainly by Smartwings and Eurowings. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

One-stop flights from Prague to Kos most commonly connect through:

• Athens Eleftherios V. (ATH) – 91% of one-stop connections
• Vienna Intl (VIE) – 4% of one-stop connections
• Zurich (ZRH) – 4% of one-stop connections

Athens Eleftherios V. (ATH) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 32% on the Prague to Kos route. Tuesday is the cheapest departure day at £233 return on average, while Monday is the most expensive at £339, a difference of £106. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Prague to Kos route, 21% of flights were delayed in the past 3 months, with delays averaging 1 hour 45 minutes.

These are the earliest and latest flight times available from Prague to Kos:

• Earliest: departs at 04:50 and lands at 07:35
• Latest: departs at 19:25 and lands at 22:10.

The flight takes about 2h 45m.

A direct flight from Prague to Kos takes 2h 45m, covering 1,118 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £356 to £1,229. That means the highest observed fare was about 3x higher than the lowest one.

Smartwings is the only airline operating Prague to Kos flights. 79% of its flights are on time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 4h 57m, compared to 5h 58m via Athens Eleftherios V. (ATH) and 8h 44m via Zurich (ZRH).

Kos is 1 hour ahead of Prague (Eastern European Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Kos Airport (KGS) hosts 5 major car hire companies, with daily rates starting from around £7 for economy cars. Top options include:
• ABBYCAR
• Exer Rent a Car
• Caldera
• Europcar
• Alma Car Hire

Return flights from Prague to Kos range from £216 to £336, with an average of £285 over the past 12 months. Anything below £216 counts as a good deal.