$503 Cheap Thai Airways International flights Tokyo (NRT) to Kathmandu (KTM)

Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Thai Airways International round-trip flights from $936 from NRT to KTM. Affordable one-way options from $503 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 Thai Airways International deals from NRT to KTM 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. Better yet, 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 a good idea to start checking out flights about one month before your departure date.*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 Thai Airways International's earliest flights from NRT to KTM by checking our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being 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.

Depart from NRT to KTM with Thai Airways International and you can look forward to a range of benefits starting with top-tier customer service. When you book through Expedia as a Thai Royal Orchid Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.