฿101,900 Cheap British Airways flights from Marseille to Samui Intl. Airport (MRS→USM)

Use the "Price (lowest to highest)" filter on Expedia to find cheap British Airways return flights from MRS to USM. Affordable one-way tickets from ฿101,900 are available as well.*

*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.

British Airways flights to Koh Samui are generally more affordable in the quieter months of October and September. Whether you're after a one-way or round-trip ticket, you could land a better deal then.

Fill in your dates, click search and check the "Nonstop" filter on Expedia to browse any direct flights from MRS to USM with British Airways or other airlines.

British Airways flights from Marseille - Provence Airport (MRS) to Koh Samui land at Ko Samui Airport (USM). This is the main gateway to this destination.

On a standard economy flight with British Airways from MRS to USM, you can bring 1 checked-in bag up to 23 kgs with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres in total. For carry-on, you're permitted 1 cabin bag weighing up to 23 kgs and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Size and weight restrictions can vary based on the cabin class you're in and airfare type. To make sure you don't get caught with additional fees at the airport, check your British Airways booking or go to the airline's website before packing your bags.

Depending on your fare type, a fee is typically charged if you change or cancel your booking more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when looking for flights. For additional information on modifying or cancelling your reservation, visit "Trips," select your flight and tick "Manage Booking."