$164 Cheap Flights from Surabaya (SUB) to Samui Intl. Airport (USM)

View $164 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Surabaya (SUB-Juanda) to Samui Intl. Airport (USM)

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Cheap Flights from Surabaya to Samui Intl. Airport (SUB-USM)

Prices were available within the past 7 days and start at $164 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $354 found 3 days ago
Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $383 found 3 days ago
Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $389 found 3 days ago
Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$396 Roundtrip, found 3 days ago
$396
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $396 found 3 days ago
Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$418 Roundtrip, found 3 days ago
$418
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $418 found 3 days ago
Scoot
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$426 Roundtrip, found 3 days ago
$426
Roundtrip
found 3 days ago
Select Scoot flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $426 found 3 days ago
Malaysia Airlines
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $503 found 3 days ago
Malaysia Airlines
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $525 found 3 days ago
Royal Brunei Airlines
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$569 Roundtrip, found 3 days ago
$569
Roundtrip
found 3 days ago
Select Royal Brunei Airlines flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $569 found 3 days ago
Garuda Indonesia
Fri, Oct 24 - Sat, Nov 1
SUB
Surabaya
USM
Koh Samui
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select Garuda Indonesia flight, departing Fri, Oct 24 from Surabaya to Koh Samui, returning Sat, Nov 1, priced at $580 found 3 days ago
Flights from Surabaya (SUB) to Samui Intl. Airport (USM)
Origin airport
Juanda
Destination airport
Samui Intl. Airport
Roundtrip price
$354
Distance
1460 mi

Surabaya to Samui Intl. Airport Flights

The cheapest times to fly from Surabaya 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 Surabaya to Samui Intl. Airport are during the month of October. You can find some of the cheapest flights from Surabaya to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Surabaya 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 Surabaya 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 Surabaya to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 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 Surabaya 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 Surabaya 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.

 

Frequently asked questions

How much does a flight from Juanda Airport (SUB) to Ko Samui Airport (USM) cost?
Secure a cheap one-way flight from $164 or cheap return flight from $354 from Juanda Airport (SUB) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Juanda Airport (SUB) to Ko Samui Airport (USM)?
The cheapest month to fly from SUB to USM is October, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Juanda Airport (SUB) to Ko Samui Airport (USM)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SUB to USM. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Juanda Airport (SUB) to Ko Samui Airport (USM)?
Nonstop flights from Juanda Airport (SUB) to Ko Samui Airport (USM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUB to USM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juanda Airport (SUB) to Ko Samui Airport (USM)?
To avoid possible delays on the Juanda Airport (SUB) to Ko Samui Airport (USM) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Juanda Airport (SUB) to Ko Samui Airport (USM) last-minute?
Holding off until just before your trip to book your flight from SUB to USM often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a SUB to USM flight and hotel package?
You can save money by booking a SUB to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Juanda Airport (SUB) to Ko Samui Airport (USM)?
Generally, it's possible to cancel or reschedule your SUB to USM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.