$174 Cheap Flights from Perth (PER) to Samui Intl. Airport (USM)

View $174 flight on Mon, Nov 2, 2026Opens in a new window

Popular airlines from Perth Airport (PER) to Samui Intl. Airport (USM)

Cheap Flights from Perth to Samui Intl. Airport (PER-USM)

Prices were available within the past 7 days and start at $174 for one-way flights and $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sat, Oct 31 - Tue, Nov 10
PER
Perth
USM
Koh Samui
$427 Roundtrip, found 6 days ago
$427
Roundtrip
found 6 days ago
Select Scoot flight, departing Sat, Oct 31 from Perth to Koh Samui, returning Tue, Nov 10, priced at $427 found 6 days ago
Scoot
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$442 Roundtrip, found 4 days ago
$442
Roundtrip
found 4 days ago
Select Scoot flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $442 found 4 days ago
Scoot
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$453 Roundtrip, found 4 days ago
$453
Roundtrip
found 4 days ago
Select Scoot flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $453 found 4 days ago
Scoot
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select Scoot flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $455 found 4 days ago
Scoot
Sat, Oct 31 - Tue, Nov 10
PER
Perth
USM
Koh Samui
$461 Roundtrip, found 6 days ago
$461
Roundtrip
found 6 days ago
Select Scoot flight, departing Sat, Oct 31 from Perth to Koh Samui, returning Tue, Nov 10, priced at $461 found 6 days ago
Scoot
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$484 Roundtrip, found 4 days ago
$484
Roundtrip
found 4 days ago
Select Scoot flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $484 found 4 days ago
Qantas Airways
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$745 Roundtrip, found 4 days ago
$745
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $745 found 4 days ago
Singapore Airlines
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$817 Roundtrip, found 4 days ago
$817
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $817 found 4 days ago
Bangkok Airways
Mon, Aug 10 - Mon, Sep 21
PER
Perth
USM
Koh Samui
$822 Roundtrip, found 4 days ago
$822
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Mon, Aug 10 from Perth to Koh Samui, returning Mon, Sep 21, priced at $822 found 4 days ago
Vietnam Airlines
Fri, Jun 12 - Fri, Jun 19
PER
Perth
USM
Koh Samui
$1,109 Roundtrip, found 6 days ago
$1,109
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Fri, Jun 12 from Perth to Koh Samui, returning Fri, Jun 19, priced at $1,109 found 6 days ago

Frequently asked questions

How much does a flight from Perth Airport (PER) to Ko Samui Airport (USM) cost?
Secure a cheap one-way flight from $174 or cheap return flight from $427 from Perth Airport (PER) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Perth Airport (PER) to Ko Samui Airport (USM)?
Flying in October is a good way to save, as it's the cheapest month for flights between PER and USM. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Perth Airport (PER) to Ko Samui Airport (USM)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from PER to USM. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Perth Airport (PER) to Ko Samui Airport (USM)?
Direct flights from Perth Airport (PER) 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 PER to USM?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Perth Airport (PER) to Ko Samui Airport (USM)?
Select a flight from Perth Airport (PER) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Perth Airport (PER) to Ko Samui Airport (USM) last-minute?
Booking your plane ticket from PER to USM right before your journey is typically more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a PER to USM flight and hotel package?
Compared with arranging flights and hotels separately, booking a PER to USM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Perth Airport (PER) to Ko Samui Airport (USM)?
If you booked your PER to USM flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Perth
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways, Cathay Pacific, Malaysia Airlines, Qantas Airways, Scoot, Singapore Airlines
Roundtrip price
$427
Distance
3052 mi

*Flight schedules are subject to change.

*Available to One Key members.