$658 Cheap British Airways flights Sydney (SYD) to Samui Intl. Airport (USM)

View $658 flight on Fri, Aug 15, 2025Opens in a new window

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$658 Cheap British Airways flights Sydney (SYD) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $658 for one-way flights and $943 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Aug 29 - Wed, Sep 3
SYD
Sydney
USM
Koh Samui
$943 Roundtrip, found 6 days ago
$943
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Aug 29 from Sydney to Koh Samui, returning Wed, Sep 3, priced at $943 found 6 days ago
Flights from Sydney (SYD) to Samui Intl. Airport (USM)
Origin airport
Kingsford Smith Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways, British Airways, Cathay Pacific, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International
Popular airline
Qantas Airways
Distance
4497 mi

Frequently asked questions

How much is a British Airways flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
Landing cheap one-way British Airways flights from SYD to USM from $658 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $943 for your next exciting 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?
Search for one-way or return flights to Koh Samui in October or September. You could find cheaper fares with British Airways during these off-peak travel months.
What is the cheapest time to book flights from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM) with British Airways?
To get cheap flights from SYD to USM with British Airways, begin searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
Fill in your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from SYD to USM with British Airways or other airlines.
What is the earliest British Airways flight from SYD to USM?
To find the earliest departures from SYD to USM with British Airways, filter your search by "Morning" and "Early Morning." Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Koh Samui?
British Airways flights from Kingsford Smith Intl. Airport (SYD) to Koh Samui arrive at Ko Samui Airport (USM). This is the main gateway to this destination.
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 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags on board when flying standard economy from SYD to USM with British Airways. This carry-on must weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Exceeding these limits can mean additional charges, so read British Airways's baggage allowance policies before you start packing.
Why fly with British Airways from SYD to USM?
British Airways makes flying from SYD to USM more comfortable with an excellent in-flight experience and a 4-star airline rating. You also have the chance to earn points with British Airways Executive Club. Make sure you sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
Depending on your ticket type, a fee may apply if you cancel or change your booking more than 24 hours after it has been confirmed. To secure flexible fares, select our "Changes included" or "No cancel fee" filter when looking for flights. For more details on canceling or modifying your reservation, go to "Trips," select your flight and tick "Manage Booking."

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