$207 Cheap SriLankan Airlines flights Bangkok (BKK) to Kathmandu (KTM)

Finding cheap one-way SriLankan Airlines flights from BKK to KTM from $207 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $388 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 grab affordable flights from BKK to KTM with SriLankan Airlines, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another 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.

Browse SriLankan Airlines's earliest flights from BKK to KTM by checking the "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.

SriLankan Airlines makes flying from BKK to KTM enjoyable with an excellent in-flight experience and top-tier customer service. You may even earn points with SriLankan FlySmiLes. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.