$437 Cheap Singapore Airlines flights Tokyo (NRT) to Kathmandu (KTM)

Scoring cheap one-way Singapore Airlines flights from NRT to KTM from $437 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $724 for your next exciting vacation.**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.

To discover cheap flights from NRT to KTM with Singapore Airlines, begin your search about one month before your intended 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. Another good tip? Booking on Sunday can lead to 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.

Filter your results by "Early Morning" and "Morning" to see the earliest departures from NRT to KTM. Jetting off early means you're less likely to experience cancellations.**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.

Offering a 5-star airline rating and a rewarding loyalty program, Singapore Airlines is a favorite for many travelers heading from NRT to KTM. Also, if you're a Singapore Airlines KrisFlyer and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.