Cheap flights from Bangkok to Kathmandu from £170

If you aren’t able to travel to Kathmandu during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of £193.

Flying to Kathmandu from Bangkok in the morning is the least expensive time of day to depart. momondo users have found prices as low as £197 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Kathmandu is in the afternoon when prices are around £348.

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 £265 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Bangkok for as low as £174 on momondo.

Thai Airways, Nepal Airlines, and IndiGo are the most popular carriers operating from Bangkok to Kathmandu Tribhuvan

Thai Lion Air, Thai AirAsia and Thai Airways are the top three most popular airlines that fly to Kathmandu from Bangkok according to our data. Thai Lion Air is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Kathmandu. Keep in mind that there are 3 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

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 have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

As of November 2026, 2 flights take off from Bangkok and land in Kathmandu each day. The most common flight departure time for this route is 10:00, with 33% of daily flights taking off at midday.

As of November 2026, 16 flights take off from Bangkok and land in Kathmandu each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.