Cheap Flights from Kathmandu to Kolkata

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Compare Kathmandu to Kolkata flight deals

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

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Flight deals from Kathmandu to Kolkata

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

Find the cheapest month to fly from Kathmandu to Kolkata

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

Kathmandu to Kolkata: Alternative routes

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

Kathmandu to Kolkata: Flight information

The things to know before you go.
Cheapest flight found$595
Cheapest month to flyApril

Finding cheap flights from Kathmandu to Kolkata: Frequently asked questions

The best price we found for a return flight from Kathmandu to Kolkata is $595. 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.
Currently, there are no airlines that fly direct from Kathmandu to Kolkata. But we found flights with one or more stops from $595.
As of March 2025, there are no flights flying from Kathmandu to Kolkata.
The cheapest month to fly from Kathmandu to Kolkata is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Kolkata Airport on Friday, 18 April 2025.
No airlines currently offer direct flights between Kathmandu Airport and Kolkata Airport. Most routes have one or more stops.
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 Kolkata 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 Kolkata is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Kolkata.

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

  • The average length of a direct flight from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport is 1 hour 42 minutes. Kolkata's timezone is UTC+5:30, which makes Kolkata 17 minutes behind Kathmandu.

  • Choose from 6 weekly flights from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport. The 11:35 departure with Air India is the earliest you can take from KTM to CCU. Air India operates the last service of the day at 14:35.

  • You can expect bigger queues during popular months such as October and other peak seasons. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Air India has direct flights from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport. Book with this popular carrier, then get ready to take in the sights in Kolkata — and maybe even more of India if you have time.

  • We make it a cinch to get a flight with a stopover. To see all the options for flights from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Popular stopovers between KTM and CCU are:

    • Chhatrapati Shivaji International Airport

    • Indira Gandhi International Airport

    • Hazrat Shahjalal International Airport

  • To find out if you need a visa to enter India, check with your airline and the local consulate or embassy. They'll provide you with the latest information, including additional documents you may need after booking your cheap ticket from KTM to CCU.

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

  • The lowest price we've seen for a one-way ticket from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport is $301. For a return flight on this route, the best price is $595. Depending on the availability when you book, these fares could change.

  • To get flight tickets from KTM to CCU, reserve your trip 7 months ahead of the departure date.

  • Plan your trip for March. That's the cheapest month for tickets from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across each month.

  • Log into your online account or use the app to create a Price Alert. We'll let you know right away if there's a better deal on this route. It doesn't take long, and it'll save you time looking for flight tickets from KTM to CCU every day.

  • Play around with filters to find the best trip for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Tribhuvan International Airport (KTM)

Arriving at Netaji Subhas Chandra Bose Airport (CCU)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport. Book one of these accommodation options near CCU instead:

Getting from Netaji Subhas Chandra Bose Airport (CCU) to central Kolkata

  • Netaji Subhas Chandra Bose Airport to the centre of Kolkata takes about 40 minutes in a car. It's approximately 16 kilometres away. Find out what options are available, such as car rentals, cabs or ride-sharing services.

  • When travelling by public transport, expect a journey time of roughly 57 minutes.

When to fly to Netaji Subhas Chandra Bose Airport (CCU)

  • It's time to work out your trip dates for your flight from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport. July is the busiest month to visit Kolkata. If you want a more relaxed vibe, go in April.

  • The warmest month in Kolkata is April, with the temperature ranging between 24 ºC and 42 ºC. Lock in your flights from Tribhuvan International Airport to Netaji Subhas Chandra Bose Airport in this month if you enjoy this type of weather.

  • Search for flight tickets from KTM to CCU in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 15 ºC and 29 ºC on average.

More about Kolkata

  • Start your Kolkata trip right by finding a great stay. Once you've booked your flight from KTM to CCU, have a look at our accommodation options including:

  • There are so many things to explore in this city it can be hard to know where to begin. Victoria Memorial, Howrah Bridge and Indian Museum are leading attractions which should be on every Kolkata itinerary.

Complete your Kolkata trip with hotels and a car rental

  • You've booked your cheap ticket to Netaji Subhas Chandra Bose Airport — now it's time to find a place to stay, and maybe even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Kolkata.

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