Cheap flight tickets from Kos to Santorini (Thira)

Compare Kos to Santorini (Thira) flight deals

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Flight deals from Kos to Santorini (Thira)

Looking for a cheap last-minute deal or the best return flight from Kos to Santorini (Thira)? Find the lowest prices on one-way and return tickets right here.

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

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

Kos to Santorini (Thira): Alternative routes

Compare routes from Kos to Santorini (Thira) below. You may find an airport to fly into that's cheaper, faster, or easier than Santorini (Thira).

Kos to Santorini (Thira): Flight information

The things to know before you go.
Cheapest flight foundRM716
Cheapest month to flyAugust

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

The best price we found for a return flight from Kos to Santorini (Thira) is RM716. 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 Kos to Santorini (Thira). But we found flights with one or more stops from RM716.
As of February 2026, there are no flights flying from Kos to Santorini (Thira).
The cheapest month to fly from Kos to Santorini (Thira) is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Santorini (Thira) Airport on Saturday, 8 August 2026.
No airlines currently offer direct flights between Kos Airport and Santorini (Thira) 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 Santorini (Thira) 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 Santorini (Thira) 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 Santorini (Thira).

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

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your KGS to JTR flight.

  • Flying during a peak month such as August? Public holidays and other popular seasons can lead to longer queues and delays at security. Be extra cautious and get there up to four hours before an international flight and two hours before domestic departures.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Kos Airport to Santorini International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Stopovers between KGS and JTR include:

    • Eleftherios Venizelos International Airport

    • Naples International Airport

    • Vienna International Airport

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

  • RM385 is the lowest price for a one-way Kos Airport to Santorini International Airport flight. A return flight starts at RM716. These fares can change based on availability and demand.

  • To get your hands on cheap tickets from KGS to JTR, book ahead. Airlines tend to offer lower prices when flights are first released.

  • If you're flexible with your trip dates, try using the 'Whole month' search function. It'll give you the lowest price in each month when looking for a flight from Kos Airport to Santorini International Airport.

  • Stay on top of deals for cheap flights from KGS to JTR by creating a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Kos Airport to Santorini International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Kos Airport (KGS)

  • 89.58% of flights departing from Kos Airport land at their destination according to schedule. Given its strong on-time stats, delays are unlikely when jetting out of KGS.

Arriving at Santorini International Airport (JTR)

  • Consider staying in a hotel near JTR if you're taking a late Kos Airport to Santorini International Airport flight. Settle into one of these accommodation options and skip the long transfer:

  • Follow your own route with a Santorini International Airport rental car. Pick up a set of wheels from Goldcar, CarQ or Centauro and discover more of Santorini (Thira) and beyond.

  • To lock in the lowest price, book your ride from Santorini International Airport around three weeks before travelling.

Getting from Santorini International Airport (JTR) to central Santorini (Thira)

  • Santorini International Airport to the centre of Santorini (Thira) has a drive time of around 10 minutes. It's approximately 5 kilometres away.

When to fly to Santorini International Airport (JTR)

  • July is the most popular month for flights from Kos Airport to Santorini International Airport. For a quieter experience, go to Santorini (Thira) in February.

  • The warmest month in Santorini (Thira) is August, with temperatures ranging between 23ºC (73ºF) and 27ºC (81ºF). Book your flights from Kos Airport to Santorini International Airport in this month if you like this kind of weather.

  • Look for cheap tickets from KGS to JTR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 10ºC (50ºF) and 16ºC (61ºF) on average.

Explore more of Greece

  • Athens is just one of the many cities in Greece waiting to be explored once you've seen the sights of Santorini (Thira). Around 225 kilometres away to the north-west, well-known attractions include Museum of the Centre for the Acropolis Studies, Acropolis of Athens and The Parthenon.

  • If you're ready to explore another side of Greece, consider Larisa, about 451 kilometres north-west of Santorini (Thira). Agioi Saranta, Saint George Orthodox Church and Second Ancient Theatre are highlights.

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