$162 Cheap Flights from Surabaya (SUB) to Samui Intl. Airport (USM)

View $162 flight on Fri, Nov 14, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $162 for one-way flights and $521 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$521 Roundtrip, found 8 hours ago
$521
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $521 found 8 hours ago
Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$528 Roundtrip, found 8 hours ago
$528
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $528 found 8 hours ago
Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$540 Roundtrip, found 8 hours ago
$540
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $540 found 8 hours ago
Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$548 Roundtrip, found 8 hours ago
$548
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $548 found 8 hours ago
Malaysia Airlines
Mon, Mar 23 - Tue, Mar 31
SUB
Surabaya
USM
Koh Samui
$556 Roundtrip, found 8 hours ago
$556
Roundtrip
found 8 hours ago
Select Malaysia Airlines flight, departing Mon, Mar 23 from Surabaya to Koh Samui, returning Tue, Mar 31, priced at $556 found 8 hours ago
Malaysia Airlines
Tue, Dec 16 - Tue, Dec 23
SUB
Surabaya
USM
Koh Samui
$558 Roundtrip, found 11 hours ago
$558
Roundtrip
found 11 hours ago
Select Malaysia Airlines flight, departing Tue, Dec 16 from Surabaya to Koh Samui, returning Tue, Dec 23, priced at $558 found 11 hours ago
Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$559 Roundtrip, found 8 hours ago
$559
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $559 found 8 hours ago
Scoot
Fri, Mar 20 - Sat, Mar 28
SUB
Surabaya
USM
Koh Samui
$575 Roundtrip, found 8 hours ago
$575
Roundtrip
found 8 hours ago
Select Scoot flight, departing Fri, Mar 20 from Surabaya to Koh Samui, returning Sat, Mar 28, priced at $575 found 8 hours ago
Garuda Indonesia
Tue, Dec 16 - Tue, Dec 23
SUB
Surabaya
USM
Koh Samui
$902 Roundtrip, found 11 hours ago
$902
Roundtrip
found 11 hours ago
Select Garuda Indonesia flight, departing Tue, Dec 16 from Surabaya to Koh Samui, returning Tue, Dec 23, priced at $902 found 11 hours ago
Singapore Airlines
Sat, Dec 20 - Thu, Jan 8
SUB
Surabaya
USM
Koh Samui
$1,550 Roundtrip, found 8 hours ago
$1,550
Roundtrip
found 8 hours ago
Select Singapore Airlines flight, departing Sat, Dec 20 from Surabaya to Koh Samui, returning Thu, Jan 8, priced at $1,550 found 8 hours ago

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 $162 or cheap return flight from $521 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 March, 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.

Travel information

Origin airport
Juanda
Destination airport
Samui Intl. Airport
Roundtrip price
$520
Distance
1460 mi

Book with confidence

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 March. 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 $162 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.

 

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