Find Silkair(MI) flights from Kathmandu to Bangkok

At the moment, you can catch a nonstop flight from Kathmandu to Bangkok with the following airlines, including: Thai Airways Nepal Airlines Thai Lion Air Thai AirAsia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 3 hours 26 minutes to fly from Kathmandu to Bangkok.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kathmandu to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 16 flight per week flying from Kathmandu to Bangkok. You can check the weekly schedule for popular airlines on this route below: Thai Airways: S/M/T/W/T/F/S -- TG310 (00:35) Thai Airways: S/M/T/W/T/F/S -- TG320 (13:30) Nepal Airlines: S/-/-/W/T/-/S -- RA401 (11:40)

The cheapest months to fly from Kathmandu to Bangkok is September, when demand for travel is lower.

After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Kathmandu to Bangkok on September 25, 2026 with Thai Lion Air, with prices starting at US$136.

You can land at any one of the following hubs in Bangkok: Suvarnabhumi Airport (BKK), and Don Mueang International Airport (DMK). Flying from Tribhuvan International Airport to Suvarnabhumi Airport (KTM-BKK) is by far the most common option on this route.

The time difference between Bangkok and Kathmandu is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.