Cheap Flights from Kolkata to Kathmandu

Compare Kolkata to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

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Flight deals from Kolkata to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Kolkata Airport to Kathmandu Airport? If you want to travel next month, return fares start from ر.ق.‏ 1,055. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kolkata to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kolkata to Kathmandu flights are currently cheapest in July.

Direct flights from Kolkata to Kathmandu

Kolkata to Kathmandu: Alternative routes

Compare routes from Kolkata to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Kolkata to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 447
Cheapest month to flyJuly
Average flight time1 hr, 21 mins
Most popular airlineBuddha Air
Average flights per week11

Finding cheap flights from Kolkata to Kathmandu: Frequently asked questions

The best price we found for a return flight from Kolkata to Kathmandu is ر.ق.‏ 919. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 21 minutes is the average flight time from Kolkata to Kathmandu.
Buddha Air and Hahn Air Systems fly direct from Kolkata to Kathmandu.
As of July 2026, there are 11 flights per week flying from Kolkata to Kathmandu.
The cheapest month to fly from Kolkata to Kathmandu is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Kathmandu Airport on Monday, 31 August 2026.
Yes – the average flight time is 1 hour and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Air India and Buddha Air offer the cheapest flight tickets to Kathmandu.

Flying from Kolkata Airport (CCU) to Kathmandu Airport (KTM): what you need to know

  • Hop on a direct flight from Kolkata Airport to Kathmandu Airport and you'll be travelling for an average of 1 hour 15 minutes.

  • The timezone in Kathmandu is UTC+5:47, which is 17 minutes ahead of Kolkata.

  • Each week, there are four Kolkata Airport to Kathmandu Airport flights.

  • Arrive at the airport on time so you don't miss your CCU to KTM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak time like January? Public holidays and other popular seasons can result in longer queues at airport checkpoints. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

  • Buddha Air is your gateway to exploring Kathmandu (and perhaps some other great parts of Nepal!). Browse the direct flights from Kolkata Airport to Kathmandu Airport offered by this carrier.

  • Buddha Air tops the list for bookings on this route.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Kolkata Airport to Kathmandu Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Stopovers between CCU and KTM include:

    • Delhi Indira Gandhi International Airport

    • Mumbai Airport

    • Hazrat Shahjalal International Airport

How to find the cheapest flights from Kolkata Airport (CCU) to Kathmandu Airport (KTM)

  • The lowest price we've seen for a one-way Kolkata Airport to Kathmandu Airport flight is ر.ق.‏ 447. A round-trip fare right now is ر.ق.‏ 919. Depending on the availability when you book, these fares could change.

  • To get your hands on cheap tickets from CCU to KTM, book early. Airlines generally offer their best fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Kolkata Airport to Kathmandu Airport across every month. It's a great way to snap up a bargain if your trip dates aren't set in stone.

  • Picking up cheap flights from CCU to KTM is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when fares go down.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Kolkata Airport to Kathmandu Airport.

Handy information about Kolkata Airport (CCU)

  • 72% of flights that take off from Kolkata Airport land at their destination on time.

  • Kolkata Airport is about 18 kilometres from central Kolkata. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 35 minutes or so to get there, depending on the traffic.

  • The trip when using public transport typically takes 50 minutes.

  • Get your journey off to a relaxed start by staying near CCU. Whether you've booked an early flight from Kolkata Airport to Kathmandu Airport or just don't like being rushed, these hotels are perfect:

Arriving at Kathmandu Airport (KTM)

Getting from Kathmandu Airport (KTM) to central Kathmandu

  • Kathmandu Airport is approximately 6 kilometres from central Kathmandu. The drive time takes around 30 minutes.

  • If you're using public transport, expect a journey of about 40 minutes.

When to fly to Kathmandu Airport (KTM)

  • It's time to work out your trip dates for your flight from Kolkata Airport to Kathmandu Airport. November is the busiest month to head to Kathmandu. If you want a more laid-back vibe, go in March.

  • The warmest month in Kathmandu is June, with the temperature ranging between 17ºC and 30ºC. Book your flights from Kolkata Airport to Kathmandu Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 3ºC and 19ºC. Search for cheap tickets from CCU to KTM sometime around then if you like travelling in cooler conditions.

Explore more of Nepal

  • Kathmandu has loads to offer, but there are so many other parts of Nepal waiting to be discovered. About 145 kilometres north-west of Kathmandu, a trip to Pokhara will fill your itinerary to the brim. Don't miss top attractions like Phewa Lake, Parahawking and Sarangkot View Point.

  • If there's time to check out another corner of Nepal, head for Patan, about 6 kilometres south of Kathmandu. Patan Durbar Square, Hiranya Varna Mahavihar and Kathmandu are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.