Cheap flights from New Delhi to Kathmandu from ₹ 6,203

In general, January is the cheapest month to fly from New Delhi to Kathmandu. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 12,128. If you’re not able to fly to Kathmandu in January, then February is your next best option. Flight prices from New Delhi to Kathmandu during February average around ₹ 13,332.

On average, the least expensive day to fly to Kathmandu from New Delhi is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as ₹ 14,134. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Kathmandu is Monday, with ticket prices averaging around ₹ 14,742.

Flying to Kathmandu from New Delhi in the evening is the least expensive time of day to depart. momondo users have found prices as low as ₹ 13,005 when looking at flights departing in the evening. Flights to Kathmandu are more costly in the afternoon, with an average ticket price of ₹ 15,246. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from New Delhi Indira Gandhi Intl to Kathmandu Tribhuvan for the best New Delhi Indira Gandhi Intl - Kathmandu Tribhuvan flight prices

You are more likely to see cheaper flights to Kathmandu from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around ₹ 15,546 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 New Delhi for as low as ₹ 13,702 on momondo.

There are 4 cabin classes available to choose from on New Delhi Indira Gandhi Intl to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

IndiGo, Air India, and Bhutan Airlines are the most popular carriers operating from New Delhi Indira Gandhi Intl to Kathmandu Tribhuvan

Air India, IndiGo and SpiceJet are the top three most popular airlines that fly to Kathmandu from New Delhi according to our data. Air India is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Kathmandu. Keep in mind that there are 6 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

Historically, on average around 33% of flights between New Delhi and Kathmandu have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

Generally, flights departing in the morning 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, IndiGo have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

As of April 2026, 16 flights take off from New Delhi and land in Kathmandu each day. The most common flight departure time for this route is 07:00, with 45% of daily flights taking off at midday.

115 flights are operational weekly from New Delhi to Kathmandu as of April 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.