$513 Cheap Japan Airlines flights Dallas (DFW) to Samui Intl. Airport (USM)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap JAL round-trip flights from $1,037 from DFW to USM. Affordable one-way tickets from $513 are available too.**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.

Scoring the best JAL deals from DFW to USM often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before you want 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.

Find JAL's earliest flights from DFW to USM by checking our "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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.

A 5-star airline rating and the opportunity to collect points through Japan Airlines Mileage Bank are the start of the reasons to jet off from DFW to USM with JAL. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.