฿21,505 Cheap British Airways flights from Sydney to Samui Intl. Airport (SYD→USM)

View ฿21,505 flight on Thu, 26 Feb 2026Opens in a new window

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British Airways flights from Sydney to Samui Intl. Airport (SYD→USM)

Prices were available within the past 7 days and start at ฿21,505 for one-way flights and ฿30,785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 28 Apr - Sat, 9 May
SYD
Sydney
USM
Koh Samui
฿30,785 Return, found 4 days ago
฿30,785
Return
found 4 days ago
Select British Airways flight, departing Tue, 28 Apr from Sydney to Koh Samui, returning Sat, 9 May, priced at ฿30,785 found 4 days ago
Flight from Sydney to Samui Intl. Airport route information
Origin airport
Kingsford Smith Intl.
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International
Popular airline
Singapore Airlines
Distance
7195 km

Frequently asked questions

How much is a British Airways flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
Finding cheap one-way British Airways flights from SYD to USM from ฿21,505 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from ฿30,785 for your next adventure.**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 SYD to USM with British Airways?
October is one of the least expensive months to get away to Koh Samui with British Airways. You could also find excellent prices on one-way and return tickets in September.
Does British Airways fly nonstop from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
To find out if there's a direct route from SYD to USM with British Airways or any other airlines, use our "Nonstop" filter when looking for flights.
What airports does British Airways fly into in Koh Samui?
Ko Samui Airport (USM) is the main Koh Samui hub for British Airways flights from Kingsford Smith Intl. Airport (SYD).
What kind of luggage can I take on a British Airways flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 23 kgs with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres. You can also bring 1 cabin bag in the cabin when flying standard economy from SYD to USM with British Airways. This carry-on must weigh less than 23 kgs and be no larger than 56 centimetres x 23 centimetres x 43 centimetres. Going above these restrictions can mean additional fees, so check British Airways's baggage allowance policies before you start packing.
Can I change or cancel my British Airways flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
In most cases, you can reschedule or cancel your flight, although there may be a charge if your booking was made over 24 hours ago. Want to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you have to adjust your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.
*Available to Expedia members.