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Cheap Flights from Santorini (Thira) to Kos

Compare Santorini (Thira) to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

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Flight deals from Santorini (Thira) to Kos

Looking for a cheap last-minute deal or the best return flight from Santorini (Thira) to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.ج.م.‏ 3,299 per passenger.Departing Thu, 12 Mar.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Thu, 12 Mar, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 3,299, select.
Kos.ج.م.‏ 4,361 per passenger.Departing Sat, 14 Feb.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Sat, 14 Feb, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,361, select.
Kos.ج.م.‏ 4,647 per passenger.Departing Thu, 14 May.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Thu, 14 May, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,647, select.
Kos.ج.م.‏ 4,750 per passenger.Departing Wed, 17 Jun.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Wed, 17 Jun, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,750, select.
Kos.ج.م.‏ 4,773 per passenger.Departing Thu, 6 Aug.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Thu, 6 Aug, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,773, select.
Kos.ج.م.‏ 4,773 per passenger.Departing Sun, 5 Jul.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Sun, 5 Jul, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,773, select.
Kos.ج.م.‏ 4,773 per passenger.Departing Sun, 4 Oct.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Sun, 4 Oct, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 4,773, select.
Kos.ج.م.‏ 5,535 per passenger.Departing Sun, 26 Apr.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Santorini (Thira) on Sun, 26 Apr, arriving in Kos.Price includes taxes and charges.From ج.م.‏ 5,535, select.

Find the cheapest month to fly from Santorini (Thira) to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Santorini (Thira) to Kos flights are currently cheapest in March.
Feb
from ج.م.‏ 4,361
Mar
from ج.م.‏ 3,299
Apr
from ج.م.‏ 5,535
May
from ج.م.‏ 4,647
Jun
from ج.م.‏ 4,750
Jul
from ج.م.‏ 4,773
Aug
from ج.م.‏ 4,773
Sep
from ج.م.‏ 5,644
Oct
from ج.م.‏ 4,773
Nov
Find prices
Dec
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Jan
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Santorini (Thira) to Kos: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 3,286
Cheapest month to flyMarch

Finding cheap flights from Santorini (Thira) to Kos: Frequently asked questions

The best price we found for a return flight from Santorini (Thira) to Kos is ج.م.‏ 8,242. 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.
Currently, there are no airlines that fly direct from Santorini (Thira) to Kos. But we found flights with one or more stops from ج.م.‏ 8,276.
As of February 2026, there are no flights flying from Santorini (Thira) to Kos.
The cheapest month to fly from Santorini (Thira) to Kos is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santorini (Thira) Airport to Kos Airport on Sunday, 1 March 2026.
No airlines currently offer direct flights between Santorini (Thira) Airport and Kos Airport. Most routes have one or more stops.
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.
Currently, SKY express offers the cheapest flight tickets to Kos.

Flying from Santorini International Airport (JTR) to Kos Airport (KGS): what you need to know

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your JTR to KGS flight.

  • Delays at security and check-in are more likely if you're flying during high season, so allow a bit more breathing room. A good general rule for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Santorini International Airport to Kos Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Worthwhile stopovers between JTR and KGS include:

    • Eleftherios Venizelos International Airport

    • Thessaloniki International Airport

    • Naples International Airport

How to find the cheapest flights from Santorini International Airport (JTR) to Kos Airport (KGS)

  • The lowest price we've seen for a one-way Santorini International Airport to Kos Airport flight is ج.م.‏ 3,299. A round-trip ticket is currently ج.م.‏ 8,276. Depending on the availability and when you book, these fares may change.

  • It's usually smart to book as early as possible if you want to get cheap tickets from JTR to KGS. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • The 'Whole month' tool shows you the cheapest flights from Santorini International Airport to Kos Airport across every month. It's a great way to find a bargain if your travel dates are flexible.

  • You don't need to check every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from JTR to KGS.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Santorini International Airport to Kos Airport.

Handy information about Santorini International Airport (JTR)

  • Santorini International Airport has a strong on-time record, making delays less likely. Departures from JTR arrive at their destination as scheduled 92.74% of the time.

  • Central Santorini (Thira) to Santorini International Airport is approximately 5 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Searching for a convenient hotel close to JTR? If you've booked an early flight from Santorini International Airport to Kos Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Kos Airport (KGS)

  • Lock in the lowest price by reserving your vehicle from Kos Airport about three weeks ahead of your trip.

Plan the rest of your trip from Santorini (Thira) to Kos

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