Cheap flights from Bangkok to Kathmandu from C$ 315

The cheapest month to fly to Kathmandu from Bangkok is in January. Flight prices, which tend to average around C$ 363, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Kathmandu from Bangkok during May instead. Flights to Kathmandu in May, while not as cheap as those in January, still average around C$ 371.

In the morning is the cheapest time of day to fly from Bangkok to Kathmandu when you can find flight prices for as low as C$ 408. Flying to Kathmandu in the morning is an ideal time because this is during off-peak travel hours. Flights to Kathmandu are more costly in the afternoon, with an average ticket price of C$ 704. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Bangkok Suvarnabhumi to Kathmandu Tribhuvan for the best Bangkok - Kathmandu Tribhuvan flight prices

You are more likely to see cheaper flights to Kathmandu from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around C$ 516 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Bangkok for as low as C$ 428 on momondo.

Historically, on average around 29% of flights between Bangkok and Kathmandu have experienced a delay on any given week. The average delay length over the past 12 months has been 85 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

The number of flights available between Bangkok and Kathmandu is 2 per day as of November 2026. The most frequent departure time is 10:00a.m., with 44% of daily flights leaving at noon.

14 flights are operational weekly from Bangkok to Kathmandu as of November 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.