$342 Cheap Thai Airways International flights Denpasar (DPS) to Samui Intl. Airport (USM)

Landing cheap one-way Thai Airways International flights from DPS to USM from $342 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our affordable return fares 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.

Look for one-way or round-trip flights to Koh Samui in October or September. You could find a cheap fare with Thai Airways International during these quieter months.

Getting the best Thai Airways International deals from DPS to USM is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before you plan to travel.*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.

To find out if there’s a direct trip from DPS to USM with Thai Airways International or other airlines, check the “Nonstop” box when browsing for flights.

Sort your results by “Morning” and “Early Morning” to browse the earliest flights from DPS to USM. Heading off early means flight 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.

Jump on a Thai Airways International flight from Ngurah Rai Intl. Airport (DPS) to Koh Samui, and you’ll probably land at Ko Samui Airport (USM). This is the airline’s main hub in this city.

Offering top-tier customer service, Thai Airways International is a top choice for many travelers flying from DPS to USM. Plus, if you’re a Thai Royal Orchid Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee typically applies if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when searching for flights. For additional information on modifying or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”