$422 Cheap Flights from Istanbul (IST) to Samui Intl. Airport (USM)

View $422 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Samui Intl. Airport (USM)

Cheap Flights from Istanbul to Samui Intl. Airport (IST-USM)

Prices were available within the past 7 days and start at $422 for one-way flights and $777 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Tue, Mar 10 - Thu, Mar 26
IST
Istanbul
USM
Koh Samui
$777 Roundtrip, found 1 day ago
$777
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Tue, Mar 10 from Istanbul to Koh Samui, returning Thu, Mar 26, priced at $777 found 1 day ago
Etihad Airways
Sun, Mar 8 - Thu, Mar 26
IST
Istanbul
USM
Koh Samui
$782 Roundtrip, found 1 day ago
$782
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Sun, Mar 8 from Istanbul to Koh Samui, returning Thu, Mar 26, priced at $782 found 1 day ago
Gulf Air
Mon, Jun 8 - Mon, Jun 15
IST
Istanbul
USM
Koh Samui
$783 Roundtrip, found 5 hours ago
$783
Roundtrip
found 5 hours ago
Select Gulf Air flight, departing Mon, Jun 8 from Istanbul to Koh Samui, returning Mon, Jun 15, priced at $783 found 5 hours ago
Gulf Air
Tue, Mar 3 - Tue, Mar 17
IST
Istanbul
USM
Koh Samui
$804 Roundtrip, found 1 day ago
$804
Roundtrip
found 1 day ago
Select Gulf Air flight, departing Tue, Mar 3 from Istanbul to Koh Samui, returning Tue, Mar 17, priced at $804 found 1 day ago
Singapore Airlines
Mon, Dec 1 - Tue, Dec 9
IST
Istanbul
USM
Koh Samui
$805 Roundtrip, found 5 hours ago
$805
Roundtrip
found 5 hours ago
Select Singapore Airlines flight, departing Mon, Dec 1 from Istanbul to Koh Samui, returning Tue, Dec 9, priced at $805 found 5 hours ago
Gulf Air
Sat, Mar 7 - Tue, Mar 17
IST
Istanbul
USM
Koh Samui
$814 Roundtrip, found 1 day ago
$814
Roundtrip
found 1 day ago
Select Gulf Air flight, departing Sat, Mar 7 from Istanbul to Koh Samui, returning Tue, Mar 17, priced at $814 found 1 day ago
Etihad Airways
Tue, Mar 10 - Wed, Mar 25
IST
Istanbul
USM
Koh Samui
$814 Roundtrip, found 1 day ago
$814
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Tue, Mar 10 from Istanbul to Koh Samui, returning Wed, Mar 25, priced at $814 found 1 day ago
Etihad Airways
Sun, Mar 8 - Wed, Mar 25
IST
Istanbul
USM
Koh Samui
$819 Roundtrip, found 1 day ago
$819
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Sun, Mar 8 from Istanbul to Koh Samui, returning Wed, Mar 25, priced at $819 found 1 day ago
Thai Airways International
Tue, Mar 3 - Wed, Mar 18
IST
Istanbul
USM
Koh Samui
$862 Roundtrip, found 1 day ago
$862
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Tue, Mar 3 from Istanbul to Koh Samui, returning Wed, Mar 18, priced at $862 found 1 day ago
Oman Air
Tue, Jan 20 - Wed, Feb 4
IST
Istanbul
USM
Koh Samui
$969 Roundtrip, found 2 days ago
$969
Roundtrip
found 2 days ago
Select Oman Air flight, departing Tue, Jan 20 from Istanbul to Koh Samui, returning Wed, Feb 4, priced at $969 found 2 days ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $1,106
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $1,106

Frequently asked questions

How much does a flight from Istanbul (IST) to Ko Samui Airport (USM) cost?
Grab a cheap one-way flight from $422 or cheap return flight from $777 from Istanbul (IST) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Istanbul (IST) to Ko Samui Airport (USM)?
Planning your getaway for March can help you save, as it's the cheapest month for flights between IST and USM. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Istanbul (IST) to Ko Samui Airport (USM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IST to USM flight.
How many flights per day from Istanbul (IST) to Ko Samui Airport (USM)?
There aren't any daily nonstop flights departing from Istanbul (IST) to Ko Samui Airport (USM). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IST to USM?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Ko Samui Airport (USM)?
To touch down at Ko Samui Airport (USM) without delays, pick a flight that leaves from Istanbul (IST) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Ko Samui Airport (USM) last-minute?
Waiting until just before your departure to book a flight from IST to USM often results in higher prices. While you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book an IST to USM flight and hotel package?
Compared with arranging flights and hotels separately, booking an IST to USM flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Istanbul (IST) to Ko Samui Airport (USM)?
If you booked your IST to USM flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Istanbul
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, Emirates, Etihad Airways, Gulf Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines
Roundtrip price
$776
Distance
4816 mi

Book with confidence

Istanbul to Samui Intl. Airport Flights

The cheapest times to fly from Istanbul to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Samui Intl. Airport are during the month of March. You can find some of the cheapest flights from Istanbul to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Istanbul to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $422 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Istanbul to Samui Intl. Airport Flights
*Available to One Key members.