Cheap flights from Warsaw to Kos

One-way fares from 110 US$ · WAW → KGS · prices found by travellers in the last 48 hours

Cheapest fare
110 US$

Ryanair · Fri, 4 Dec

Cheapest month
December

from 110 US$

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 40m

1,780 km

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Cheapest month to fly from Warsaw to Kos

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest 110 US$
  2. August 2027 155 US$

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Ryanair
Depart06:50 Fri, 4 DecWMI → KGS 3h 45m · 1 stop
110 US$one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Kos

Where to stay, what to do and getting around, from our travel partners.

About flights from Warsaw to Kos

Warsaw (WAW) and Kos (KGS) are about 1,780 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 40m. Over the next few months, one-way fares start from 110 US$, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Warsaw to Kos?

The cheapest one-way fare we've seen recently is 110 US$ with Ryanair, departing Friday, 4 December 2026. Over the coming months, the lowest fare in each month ranges from 110 US$ to 155 US$.

What is the cheapest month to fly from Warsaw to Kos?

December 2026 currently has the lowest fares, from 110 US$ one way.

Are there direct flights from Warsaw to Kos?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Warsaw to Kos?

The quickest journey we've seen takes about 3h 40m. Warsaw and Kos are around 1,780 km apart.

Which airlines fly from Warsaw to Kos?

Recent fares on this route were with Ryanair and Wizz Air.

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