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

Book the best Kathmandu fare with no extra fees

Flight deals from Kolkata to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Kolkata to Kathmandu? Find the lowest prices on one-way and return tickets right here.

Kathmandu.Rs33,681 per passenger.Departing Thu, 22 Jan.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Thu, 22 Jan, arriving in Kathmandu.Price includes taxes and charges.From Rs33,681, select.

Kathmandu.Rs33,768 per passenger.Departing Mon, 18 May.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Mon, 18 May, arriving in Kathmandu.Price includes taxes and charges.From Rs33,768, select.

Kathmandu.Rs34,991 per passenger.Departing Tue, 10 Mar.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Tue, 10 Mar, arriving in Kathmandu.Price includes taxes and charges.From Rs34,991, select.

Kathmandu.Rs36,381 per passenger.Departing Thu, 5 Feb.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Thu, 5 Feb, arriving in Kathmandu.Price includes taxes and charges.From Rs36,381, select.

Kathmandu.Rs40,049 per passenger.Departing Thu, 27 Nov.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Thu, 27 Nov, arriving in Kathmandu.Price includes taxes and charges.From Rs40,049, select.

Kathmandu.Rs42,655 per passenger.Departing Mon, 8 Dec.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kolkata on Mon, 8 Dec, arriving in Kathmandu.Price includes taxes and charges.From Rs42,655, select.

Kathmandu.Rs43,593 per passenger.Departing Mon, 22 Sep.One-way flight with SpiceJet.Outbound indirect flight with SpiceJet, departs from Kolkata on Mon, 22 Sep, arriving in Kathmandu.Price includes taxes and charges.From Rs43,593, select.

Kathmandu.Rs44,815 per passenger.Departing Thu, 23 Oct.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kolkata on Thu, 23 Oct, arriving in Kathmandu.Price includes taxes and charges.From Rs44,815, select.

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 January.

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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 found	Rs33,695
Cheapest month to fly	January

Finding cheap flights from Kolkata to Kathmandu: Frequently asked questions

How much are return flights from Kolkata to Kathmandu?

The best price we found for a return flight from Kolkata to Kathmandu is Rs62,025. 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.

Which airlines fly direct from Kolkata to Kathmandu?

Currently, there are no airlines that fly direct from Kolkata to Kathmandu. But we found flights with one or more stops from Rs62,025.

How many flights are there a week from Kolkata to Kathmandu?

As of September 2025, there are no flights flying from Kolkata to Kathmandu.

When is the cheapest time to fly from Kolkata to Kathmandu?

The cheapest month to fly from Kolkata to Kathmandu is usually February.

Which upcoming date is cheapest to fly from Kolkata Airport to Kathmandu Airport on?

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, 2 February 2026.

Can I get a direct flight from Kolkata Airport to Kathmandu Airport?

No airlines currently offer direct flights between Kolkata Airport and Kathmandu Airport. Most routes have one or more stops.

How can I find the best flight deal to Kathmandu?

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.

When is the best time to book flights to Kathmandu?

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.

Which is the cheapest airline to fly from Kolkata Airport to Kathmandu with?

Currently, Air India offers the cheapest flight tickets to Kathmandu.

Travelling from Netaji Subhas Chandra Bose Airport (CCU) to Tribhuvan International Airport (KTM): what you need to know

Book a direct flight from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport and you'll be travelling for an average of 1 hour 35 minutes.
The timezone in Kathmandu is UTC+5:47, which is 17 minutes ahead of Kolkata.
You can choose from six weekly Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport flights. The 11:35 departure with Air India is the earliest flight you can take. Air India operates the latest service of the day at 11:45.
Your CCU to KTM flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Travelling during a peak month such as July? School holidays and other popular seasons can lead to longer queues and delays at airport checkpoints. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.
Air India is your gateway to exploring Kathmandu (and perhaps some other great parts of Nepal!). Browse the direct flights from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport offered by this carrier.
Air India is the airline with the highest passenger demand for this route.
If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport. Here are the most popular stopovers between CCU and KTM:
- Hazrat Shahjalal International Airport
- Indira Gandhi International Airport
- Chhatrapati Shivaji International Airport

How to find the cheapest flights from Netaji Subhas Chandra Bose Airport (CCU) to Tribhuvan International Airport (KTM)

Rs33,681 is the best price for a one-way Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport flight. A return flight starts from Rs62,025. These fares can change based on demand and availability.
To secure cheap tickets from CCU to KTM, book your trip nine months before your departure date.
The cheapest month for flights from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport is August. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
Landing cheap flights from CCU to KTM is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.
Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport.

Handy information about Netaji Subhas Chandra Bose Airport (CCU)

Of the departures from Netaji Subhas Chandra Bose Airport, 75.9% touch down on time at their destination.
Netaji Subhas Chandra Bose Airport is about 16 kilometres from central Kolkata. If you're driving, catching a cab or ride-sharing from the centre, it'll take 40 minutes or so to arrive, depending on the traffic.
Taking public transport? Expect a journey time of around 55 minutes.
Catching an early flight from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels near CCU:

Arriving at Tribhuvan International Airport (KTM)

The last thing you want is a lengthy trip to your hotel if you're arriving on a late Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport flight. Stay at one of these accommodation options near KTM instead:
Grab a Tribhuvan International Airport rental car and discover corners of Kathmandu that are off the usual tourist route. Browse the options available from Spark Car.
Get the best deal by reserving your vehicle from Tribhuvan International Airport about one week before your departure date.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

Tribhuvan International Airport is approximately 5 kilometres from central Kathmandu. The drive time takes about 15 minutes.

When to fly to Tribhuvan International Airport (KTM)

September is the most popular month for flights from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport. To skip the crowds, go to Kathmandu in February.
The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 28ºC. Book your flights from Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport in this month if this is the type of weather you enjoy.
For cooler conditions, look for a cheap ticket from CCU to KTM in January. Average temperatures are between 3ºC and 18ºC then.

Explore more of Nepal

Kathmandu has loads to offer, but there are so many other parts of Nepal just waiting to be explored. Around 145 kilometres north-west of Kathmandu, a visit to Pokhara will keep your itinerary packed. Don't miss top attractions like Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.
Around 6 kilometres south of Kathmandu, Patan is another essential stop in Nepal. Experience the best of this destination with a visit to Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft.