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Cheap Flights from Warsaw to Kos

Compare Warsaw to Kos flight deals

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Flight deals from Warsaw to Kos

Looking for a cheap last-minute deal or the best return flight from Warsaw to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.$283 per passenger.Departing Mon, 29 Jun, returning Fri, 10 Jul.Return flight with Wizz Air Malta and Neos Air.Outbound indirect flight with Wizz Air Malta, departs from Warsaw Chopin on Mon, 29 Jun, arriving in Kos.Inbound indirect flight with Neos Air, departs from Kos on Fri, 10 Jul, arriving in Warsaw Chopin.Price includes taxes and charges.From $283, select.
Kos.$295 per passenger.Departing Mon, 13 Jul, returning Mon, 20 Jul.Return flight with Wizz Air Malta and Ryanair.Outbound indirect flight with Wizz Air Malta, departs from Warsaw Chopin on Mon, 13 Jul, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Mon, 20 Jul, arriving in Warsaw Chopin.Price includes taxes and charges.From $295, select.
Kos.$297 per passenger.Departing Mon, 15 Jun, returning Mon, 22 Jun.Return flight with Wizz Air Malta and Ryanair.Outbound indirect flight with Wizz Air Malta, departs from Warsaw Chopin on Mon, 15 Jun, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Mon, 22 Jun, arriving in Warsaw Chopin.Price includes taxes and charges.From $297, select.
Kos.$321 per passenger.Departing Thu, 26 Feb, returning Wed, 4 Mar.Return flight with Ryanair and SKY express.Outbound indirect flight with Ryanair, departs from Warsaw Modlin on Thu, 26 Feb, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Wed, 4 Mar, arriving in Warsaw Modlin.Price includes taxes and charges.From $321, select.
Kos.$332 per passenger.Departing Wed, 25 Mar, returning Wed, 1 Apr.Return flight with Wizz Air and Aegean Airlines.Outbound indirect flight with Wizz Air, departs from Warsaw Modlin on Wed, 25 Mar, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Wed, 1 Apr, arriving in Warsaw Modlin.Price includes taxes and charges.From $332, select.
Kos.$347 per passenger.Departing Thu, 28 May, returning Mon, 15 Jun.Return flight with SKY express and Ryanair.Outbound indirect flight with SKY express, departs from Warsaw Chopin on Thu, 28 May, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Mon, 15 Jun, arriving in Warsaw Chopin.Price includes taxes and charges.From $347, select.
Kos.$350 per passenger.Departing Mon, 2 Mar, returning Sun, 8 Mar.Return flight with Wizz Air and Aegean Airlines.Outbound indirect flight with Wizz Air, departs from Warsaw Modlin on Mon, 2 Mar, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Sun, 8 Mar, arriving in Warsaw Modlin.Price includes taxes and charges.From $350, select.
Kos.$359 per passenger.Departing Thu, 7 May, returning Sat, 23 May.Return flight with Ryanair and SKY express.Outbound indirect flight with Ryanair, departs from Warsaw Modlin on Thu, 7 May, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Sat, 23 May, arriving in Warsaw Modlin.Price includes taxes and charges.From $359, select.

Find the cheapest month to fly from Warsaw to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Warsaw to Kos flights are currently cheapest in July.
Feb
from $403
Mar
from $350
Apr
from $414
May
from $359
Jun
from $297
Jul
from $295
Aug
from $450
Sep
from $401
Oct
from $460
Nov
Find prices
Dec
Find prices
Jan
Find prices

Direct flights from Warsaw to Kos

Warsaw to Kos: Flight information

The things to know before you go.
Cheapest flight found$283
Cheapest month to flyJune
Average flight time2 hrs, 50 mins
Most popular airlineSmartwings Poland
Average flights per week2

Finding cheap flights from Warsaw to Kos: Frequently asked questions

The best price we found for a return flight from Warsaw to Kos is $283. 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 Warsaw to Kos.
Smartwings Poland flies direct from Warsaw to Kos.
As of February 2026, there are 2 flights per week flying from Warsaw to Kos.
The cheapest month to fly from Warsaw to Kos is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Warsaw to Kos Airport on Monday, 29 June 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 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.
The cheapest airline that flies to Kos is Wizz Air Malta .

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

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your flight from Warsaw to KGS.

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

Airports in Warsaw

Frederic Chopin Airport (WAW)

  • The journey from central Warsaw to WAW takes around 1 hour 10 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 8 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your break? Stay near Frederic Chopin Airport. Whether you've booked an early flight from Warsaw to Kos Airport or aren't a fan of being rushed, these hotels have you covered:

  • 77.68% of flights that depart Frederic Chopin Airport land at their destination on schedule.

Warsaw-Modlin Airport (WMI)

  • WMI is around 40 kilometres from central Warsaw. It takes 50 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 1 hour.

  • Start your holiday early with an additional night away from home. Before catching your Warsaw to KGS flight, unwind in one of these hotels close to Warsaw-Modlin Airport:

About Kos Airport (KGS)

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

  • The lowest price we've found for a one-way ticket from Warsaw to Kos Airport is $138. For a return flight on this route, the best price is $283. Depending on the availability and when you book, these fares can change.

  • Don't leave things to the last minute. You're more likely to walk away with cheap flights from Warsaw to KGS if you book ahead. Airlines often have some fantastic early bird deals.

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

  • Find a cheap flight from Warsaw to Kos Airport by using filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Plan the rest of your trip from Warsaw to Kos

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