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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 Airport to Kathmandu Airport

Looking for a cheap last-minute deal or the best round-trip flight from Kolkata Airport to Kathmandu Airport? If you want to travel next month, round-trip fares start from AED 968. Find the lowest prices on one-way and round-trip tickets right here.
Kathmandu.AED 911 per passenger.Departing Fri, Sep 11, returning Fri, Sep 18.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Fri, Sep 11, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Fri, Sep 18, arriving in Kolkata.Price includes taxes and charges.From AED 911, select.
Kathmandu.AED 912 per passenger.Departing Fri, May 1, returning Thu, May 7.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Fri, May 1, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Thu, May 7, arriving in Kolkata.Price includes taxes and charges.From AED 912, select.
Kathmandu.AED 914 per passenger.Departing Tue, Jul 14, returning Tue, Jul 21.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Tue, Jul 14, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Tue, Jul 21, arriving in Kolkata.Price includes taxes and charges.From AED 914, select.
Kathmandu.AED 917 per passenger.Departing Wed, Aug 26, returning Fri, Aug 28.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Wed, Aug 26, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Fri, Aug 28, arriving in Kolkata.Price includes taxes and charges.From AED 917, select.
Kathmandu.AED 917 per passenger.Departing Thu, Jun 4, returning Mon, Jun 8.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Thu, Jun 4, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Mon, Jun 8, arriving in Kolkata.Price includes taxes and charges.From AED 917, select.
Kathmandu.AED 921 per passenger.Departing Fri, Jul 24, returning Tue, Aug 4.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Fri, Jul 24, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Tue, Aug 4, arriving in Kolkata.Price includes taxes and charges.From AED 921, select.
Kathmandu.AED 943 per passenger.Departing Sat, Feb 13, returning Sun, Feb 21.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Sat, Feb 13, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sun, Feb 21, arriving in Kolkata.Price includes taxes and charges.From AED 943, select.
Kathmandu.AED 943 per passenger.Departing Sun, May 31, returning Sat, Jun 6.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Sun, May 31, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Jun 6, arriving in Kolkata.Price includes taxes and charges.From AED 943, select.
Kathmandu.AED 950 per passenger.Departing Sun, Dec 20, returning Sat, Dec 26.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Sun, Dec 20, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Dec 26, arriving in Kolkata.Price includes taxes and charges.From AED 950, select.
Kathmandu.AED 968 per passenger.Departing Sat, Apr 18, returning Fri, Apr 24.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Sat, Apr 18, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Fri, Apr 24, arriving in Kolkata.Price includes taxes and charges.From AED 968, select.
Kathmandu.AED 971 per passenger.Departing Thu, Jun 25, returning Thu, Jul 2.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Thu, Jun 25, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Thu, Jul 2, arriving in Kolkata.Price includes taxes and charges.From AED 971, select.
Kathmandu.AED 979 per passenger.Departing Thu, Dec 24, returning Fri, Jan 1.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Thu, Dec 24, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Fri, Jan 1, arriving in Kolkata.Price includes taxes and charges.From AED 979, select.
Kathmandu.AED 992 per passenger.Departing Tue, Apr 28, returning Sat, May 2.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Tue, Apr 28, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, May 2, arriving in Kolkata.Price includes taxes and charges.From AED 992, select.
Kathmandu.AED 995 per passenger.Departing Thu, May 14, returning Sat, Sep 26.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Thu, May 14, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Sep 26, arriving in Kolkata.Price includes taxes and charges.From AED 995, select.
Kathmandu.AED 1,068 per passenger.Departing Tue, Oct 13, returning Sat, Oct 17.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Tue, Oct 13, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Oct 17, arriving in Kolkata.Price includes taxes and charges.From AED 1,068, select.
Kathmandu.AED 1,082 per passenger.Departing Wed, Mar 25, returning Sat, Mar 28.Round-trip flight with Air India.Outbound indirect flight with Air India, departing from Kolkata on Wed, Mar 25, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Mar 28, arriving in Kolkata.Price includes taxes and charges.From AED 1,082, 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 September.
Mar
from AED 1,082
Apr
from AED 968
May
from AED 912
Jun
from AED 917
Jul
from AED 914
Aug
from AED 917
Sep
from AED 911
Oct
from AED 1,068
Nov
from AED 1,195
Dec
from AED 950
Jan
Find prices
Feb
from AED 943

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.

Kathmandu

5km from central Kathmandu
ClosestCheapest
from AED 911
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Kolkata to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundAED 911
Cheapest month to flySeptember
Average flight time1 hr, 25 mins
Most popular airlineBuddha Air
Average flights per week10

Finding cheap flights from Kolkata to Kathmandu: Frequently asked questions

The best price we found for a round-trip flight from Kolkata to Kathmandu is AED 911. 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 25 minutes is the average flight time from Kolkata to Kathmandu.
Buddha Air and Hahn Air Systems fly direct from Kolkata to Kathmandu.
There are 10 flights per week flying from Kolkata to Kathmandu, as of March 2026.
The cheapest month to fly from Kolkata to Kathmandu is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Kathmandu Airport on Friday, September 11, 2026.
Yes – the average flight time is 1 hour and 25 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.

Traveling 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 traveling 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.

  • Traveling 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)

  • AED 346 is the best price for a one-way Netaji Subhas Chandra Bose Airport to Tribhuvan International Airport flight. A return flight starts from AED 911. 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 kilometers from central Kolkata. If you're driving, catching a cab or ride-sharing from the center, 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 kilometers 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 (63ºF) and 28ºC (82ºF). 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 (37ºF) and 18ºC (64ºF) 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 kilometers 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 kilometers 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.

More travel options

Plan the rest of your trip from Kolkata to Kathmandu

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.