$384+ Cheap flights from Thera to Kos (JTR - KGS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
JTR — KGS
Nov 20 — Nov 271
Round-trip
1 adult, Economy
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Cheapest flights from Santorini to KosExplore the most affordable flight options available from Santorini to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
Explore the most affordable flight options available from Santorini to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
This Aegean Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:10 am -
1 stop23h 35m
Sat 11/78:35 pm -
1 stop14h 40m
Deal found 10/18![Aegean Airlines logo]()
$384
Best flights from Santorini to KosDiscover carefully curated flight deals from Santorini to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
Discover carefully curated flight deals from Santorini to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
This Aegean Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:10 am -
1 stop23h 35m
Sat 11/78:35 pm -
1 stop14h 40m
Deal found 10/18![Aegean Airlines logo]()
$384
Last-minute flights from Santorini to KosDiscover last-minute flight deals from Santorini to Kos. Data last updated October 21, 2026 and is based on user searches.
Discover last-minute flight deals from Santorini to Kos. Data last updated October 21, 2026 and is based on user searches.
This Aegean Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:10 am -
1 stop23h 35m
Sat 11/78:35 pm -
1 stop14h 40m
Deal found 10/18![Aegean Airlines logo]()
$384
Find flight deals from Santorini to Kos
Discover tips and strategies to find the most affordable flight options for your journey from Santorini (JTR) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 21, 2026.
Round-trip from | $384 (Aegean Airlines) |
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Cheapflights Fare Finder
Customize your flight search to find flights from Santorini to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 21, 2026.
Use the filters below to find and compare flights from Thera to Kos that are best for you.
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TheraKos
JTR Thera Santorini - KGS Kos
JTRKGS
Thera Santorini
Tue 11/3
8:10 am-7:45 am
1 stop23h 35m
Kos
Sat 11/7
8:35 pm-11:15 am
1 stop14h 40m
$384
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JTR-KGS
Estimated round-trip price
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