Cheap Turkish Airlines Flights from Istanbul to Samui Intl. Airport (IST→USM)

View AU$943 flight on Tue, 24 Mar 2026Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,272 Return, found 3 days ago
AU$2,272
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,272 found 3 days ago
Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,288 Return, found 3 days ago
AU$2,288
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,288 found 3 days ago
Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,303 Return, found 3 days ago
AU$2,303
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,303 found 3 days ago
Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,403 Return, found 3 days ago
AU$2,403
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,403 found 3 days ago
Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,411 Return, found 3 days ago
AU$2,411
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,411 found 3 days ago
Turkish Airlines
Tue, 28 Oct - Tue, 4 Nov
IST
Istanbul
USM
Koh Samui
AU$2,419 Return, found 3 days ago
AU$2,419
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 28 Oct from Istanbul to Koh Samui, returning Tue, 4 Nov, priced at AU$2,419 found 3 days ago

Frequently asked questions

How much is a Turkish Airlines flight from Istanbul (IST) to Ko Samui Airport (USM)?
You'll discover affordable return Turkish Airlines flights from AU$2,272 from IST to USM by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from AU$943 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IST to USM with Turkish Airlines?
Browse for one-way or return flights to Koh Samui in October or September. You could find a cheap fare with Turkish Airlines during these off-peak months.
Does Turkish Airlines fly nonstop from Istanbul (IST) to Ko Samui Airport (USM)?
To figure out if there's a direct journey from IST to USM with Turkish Airlines or other airlines, check the "Nonstop" filter when browsing for tickets.
Can I change or cancel my Turkish Airlines flight from Istanbul (IST) to Ko Samui Airport (USM)?
In most cases, you can modify or cancel your flight, although there may be additional fees if you booked more than 24 hours ago. Need flexible options? Apply the "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to alter your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

Travel information

Origin airport
Istanbul
Destination airport
Samui Intl. Airport
Distance
7705 km

Explore a world of travel with Expedia

*Available to Expedia members.