Cheap Flights from Kos to Warsaw

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Flight deals from Kos Airport to Warsaw

Looking for a cheap last-minute deal or the best return flight from Kos Airport to Warsaw? If you want to travel next month, return fares start from $350. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kos to Warsaw

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

Direct flights from Kos to Warsaw

Alternative Kos to Warsaw routes

Looking for the cheapest, fastest or easiest route from Kos to Warsaw? You could fly into the following airports instead.

Kos to Warsaw: Flight information

The things to know before you go.
Cheapest flight found$350
Cheapest month to flyApril
Average flight time2 hrs, 50 mins
Most popular airlineSmartwings Poland
Average flights per week4

Finding cheap flights from Kos to Warsaw: Frequently asked questions

There are 2 airports in Warsaw: Warsaw Chopin and Warsaw Modlin.
The best price we found for a return flight from Kos to Warsaw is $350. 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.
2 hours and 50 minutes is the average flight time from Kos to Warsaw.
Smartwings Poland flies direct from Kos to Warsaw.
As of March 2026, there are 2 flights per week flying from Kos to Warsaw.
The cheapest month to fly from Kos to Warsaw is usually April.
If you're flying from Kos Airport, the cheapest airport near Warsaw is Warsaw Modlin – which is 36.6 km away from the centre of Warsaw. We've found flights into this airport from $350.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Warsaw on Wednesday, 1 April 2026.
Yes – the average flight time is 2 hours and 50 minutes.
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 Warsaw 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 Warsaw is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 2°C. July is typically the warmest month in Warsaw, when it usually averages around 24°C. You can expect the least rain in October. The coldest month is January, with temperatures averaging -7°C. The rainiest month is July.
Currently, SKY express offers the cheapest flight tickets to Warsaw.

Travelling from Kos Airport (KGS) to Warsaw: what you need to know

  • To avoid rushing for your KGS to Warsaw flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Stopovers are the perfect opportunity to take a break from travelling and perhaps even tick a new city off your list. When browsing for flight tickets from KGS to Warsaw, uncheck the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Frankfurt Airport (FRA)

    • Franz Josef Strauss Airport (MUC)

    • Eleftherios Venizelos International Airport (ATH)

  • Kos Airport earns top marks for on-time performance. 89.58% of flights that take off from KGS reach their destination without delay.

How to find the cheapest flights from Kos Airport (KGS) to Warsaw

  • The best price we've seen for a one-way Kos Airport to Warsaw flight is $148. The cheapest price for a return flight is $350. Keep in mind fares may change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from KGS to Warsaw if you book early. Airlines often have some fantastic early bird discounts.

  • The 'Whole month' search tool will show you the cheapest tickets from Kos Airport to Warsaw throughout the month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • Never miss a deal on cheap flights from KGS to Warsaw by setting up a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.

  • Tailor your flights with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Kos Airport to Warsaw.

Airports in Warsaw

Frederic Chopin Airport (WAW)

  • Frederic Chopin Airport (WAW) to central Warsaw takes around 20 minutes to reach by car. The centre is roughly 8 kilometres away.

  • It'll take around 1 hour 10 minutes to get there by public transport.

  • Book a hotel near WAW if you're coming in on a late flight from Kos Airport to Warsaw. Pick one of these options and make your first night all about rest:

  • Fast-track your adventure by picking up a Frederic Chopin Airport rental car. Grab a set of wheels from Wheego, Flex To Go or kaizen rent and explore beyond Warsaw's main sights.

  • Reserving your vehicle from Frederic Chopin Airport around one week before your flight from KGS to Warsaw can help you secure the lowest rate.

Warsaw-Modlin Airport (WMI)

  • Central Warsaw is around 40 kilometres from Warsaw-Modlin Airport (WMI). After your flight from Kos Airport to Warsaw has landed and you've navigated your way to arrivals, expect a drive of about 50 minutes.

  • You can expect the trip to take roughly 1 hour on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near WMI. Here are a few options where you can take a load off after your KGS to Warsaw flight:

  • The quickest way to get to where you're going is with a Warsaw-Modlin Airport rental car. Collect a set of wheels from Carwiz, Flex To Go or kaizen rent and be off and running.

  • Avoid paying extra. Booking your ride four weeks ahead of your arrival at WMI can land you a better rate.

Best time to go to Warsaw

  • Before booking your flights from Kos Airport to Warsaw, consider which time of year works best for you. High season in Warsaw offers a bustling atmosphere and plenty of things to do, while the low season brings cheaper hotel rates and smaller crowds.

  • Book a Kos Airport to Warsaw flight ticket with a departure in July if you want to visit the city during its warmest month. You can expect temperatures to range from 13ºC to 27ºC.

  • If you want cooler conditions, look for a cheap ticket from KGS to Warsaw in January when temperatures average between -10ºC and 4ºC.

More about Warsaw

  • Once you've booked your flight from Kos Airport to Warsaw, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring Warsaw:

  • The Royal Castle in Warsaw and Warsaw Royal Castle Gardens are a couple of leading attractions to put on your Warsaw to-do list. Keep the adventure rolling by checking out Palace of Culture and Science.

Explore more of Poland

  • Warsaw has its own special appeal, but there are so many other corners of Poland you should also see. Around 121 kilometres south-west of Warsaw, a trip to Lodz will keep you on the go. Don't miss top attractions like Piotrkowska Street, Museum of the Factory and Herbst Palace Museum. Branch Museum of Art.

  • Krakow is another standout destination in Poland and is around 257 kilometres south of Warsaw. No journey is complete without seeing St. Mary's Basilica, Planty Park and 100 oak park.

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