Title: £457 Cheap Turkish Airlines flights from Istanbul to Samui Intl. Airport (IST→USM) - Expedia.co.uk

  

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# £457 Cheap Turkish Airlines flights from Istanbul to Samui Intl. Airport (IST→USM)

[View £457 flight on Fri, 13 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IST,to:USM,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:456.20&airProductToken=AQpZCioI1JYBEgI1MhjInAEgwVIow8SHAzD4yIcDOFdAAFgBagJMR3IFV1RMR08KKwjUlgESBDQ0MTkYwVIg1GQov8yHAzCFzYcDOFdAAVgBagJMR3IFV1RMR08SCggBEAEYASoCVEsYASIECAEQASgCKAQoBjAB)

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## Turkish Airlines flights from Istanbul to Samui Intl. Airport (IST→USM)

Prices were available within the past 7 days and start at £457 for one-way flights and £896 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif)

Tue, 18 Nov - Tue, 2 Dec

IST

Istanbul

USM

Koh Samui

£896

Return

found 3 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IST,to:USM,departure:18/11/2025TANYT&leg2=from:USM,to:IST,departure:02/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:895.70&airProductToken=AQpZCioI1JYBEgI2OBjInAEgwVIokK39AjDFsf0COFBAAFgBagJMR3IFUFRMR1IKKwjUlgESBDQ0MTkYwVIg1GQov7P9AjCFtP0COFBAAVgBagJMR3IFUFRMR1IKWQorCNSWARIENDQyNBjUZCDBUiiO0f4CMNnR_gI4UEAAWAFqAkxHcgVQVExHUgoqCNSWARICNjkYwVIgyJwBKO_S_gIw_tf-AjhQQAFYAWoCTEdyBVBUTEdSEgoIARABGAEqAlRLGAEiBAgBEAEoAigEKAYwAQ)

## 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 £896 from IST to USM by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from £457 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](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking" for further information.

## Travel information

| Origin airport | Istanbul |
| --- | --- |
| Destination airport | Samui Intl. Airport |
| Airlines serving | British Airways, Etihad Airways, Gulf Air, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines |
| Popular airline | British Airways |
| Distance | 7705 km |

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