Cheap Flights from Kathmandu (KTM) to Kolkata (CCU)

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Flight deals from Kathmandu to Kolkata

Looking for a cheap last-minute deal or the best return flight from Kathmandu Airport to Kolkata Airport? If you want to travel next month, return fares start from £222. Find the lowest prices on one-way and return tickets right here.

Kolkata.£115 per passenger.Departing Wed, 30 Sep.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Wed, 30 Sep, arriving in Kolkata.Price includes taxes and charges.From £115, select.

Kolkata.£115 per passenger.Departing Sat, 19 Dec.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Sat, 19 Dec, arriving in Kolkata.Price includes taxes and charges.From £115, select.

Kolkata.£118 per passenger.Departing Thu, 1 Oct.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Thu, 1 Oct, arriving in Kolkata.Price includes taxes and charges.From £118, select.

Kolkata.£121 per passenger.Departing Mon, 3 Aug.One-way flight with Biman Bangladesh Airlines.Outbound indirect flight with Biman Bangladesh Airlines, departs from Kathmandu on Mon, 3 Aug, arriving in Kolkata.Price includes taxes and charges.From £121, select.

Kolkata.£126 per passenger.Departing Tue, 7 Jul.One-way flight with Biman Bangladesh Airlines.Outbound indirect flight with Biman Bangladesh Airlines, departs from Kathmandu on Tue, 7 Jul, arriving in Kolkata.Price includes taxes and charges.From £126, select.

Kolkata.£144 per passenger.Departing Sun, 1 Nov.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Sun, 1 Nov, arriving in Kolkata.Price includes taxes and charges.From £144, select.

Kolkata.£152 per passenger.Departing Sat, 10 Apr.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Sat, 10 Apr, arriving in Kolkata.Price includes taxes and charges.From £152, select.

Kolkata.£152 per passenger.Departing Sun, 2 May.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Sun, 2 May, arriving in Kolkata.Price includes taxes and charges.From £152, select.

Kolkata.£153 per passenger.Departing Tue, 26 Jan.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Tue, 26 Jan, arriving in Kolkata.Price includes taxes and charges.From £153, select.

Kolkata.£157 per passenger.Departing Tue, 15 Jun.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Tue, 15 Jun, arriving in Kolkata.Price includes taxes and charges.From £157, select.

Kolkata.£158 per passenger.Departing Fri, 12 Mar.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Fri, 12 Mar, arriving in Kolkata.Price includes taxes and charges.From £158, select.

Kolkata.£203 per passenger.Departing Sun, 12 Jul.One-way flight with Buddha Air.Outbound direct flight with Buddha Air departs from Kathmandu on Sun, 12 Jul, arriving in Kolkata.Price includes taxes and charges.From £203, select.

Kolkata.£204 per passenger.Departing Sat, 8 Aug.One-way flight with Buddha Air.Outbound direct flight with Buddha Air departs from Kathmandu on Sat, 8 Aug, arriving in Kolkata.Price includes taxes and charges.From £204, select.

Kolkata.£204 per passenger.Departing Sat, 19 Sep.One-way flight with Buddha Air.Outbound direct flight with Buddha Air departs from Kathmandu on Sat, 19 Sep, arriving in Kolkata.Price includes taxes and charges.From £204, select.

Kolkata.£205 per passenger.Departing Tue, 17 Nov.One-way flight with Buddha Air.Outbound direct flight with Buddha Air departs from Kathmandu on Tue, 17 Nov, arriving in Kolkata.Price includes taxes and charges.From £205, select.

Kolkata.£205 per passenger.Departing Sat, 19 Dec.One-way flight with Buddha Air.Outbound direct flight with Buddha Air departs from Kathmandu on Sat, 19 Dec, arriving in Kolkata.Price includes taxes and charges.From £205, select.

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 September.

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Direct flights from Kathmandu to Kolkata

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.

Kolkata

10 miles from central Kolkata

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from £115

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Kathmandu to Kolkata: Flight information

The things to know before you go.

Cheapest flight found	£115
Cheapest month to fly	December
Average flight time	1 hr, 55 mins
Most popular airline	Buddha Air
Average flights per week	8

Finding cheap flights from Kathmandu to Kolkata: Frequently asked questions

How much are return flights from Kathmandu to Kolkata?

The best price we found for a return flight from Kathmandu to Kolkata is £222. 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.

How long does it take to fly from Kathmandu to Kolkata?

1 hour and 55 minutes is the average flight time from Kathmandu to Kolkata.

Which airlines fly direct from Kathmandu to Kolkata?

Buddha Air and Hahn Air Systems fly direct from Kathmandu to Kolkata.

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

As of July 2026, there are 8 flights per week flying from Kathmandu to Kolkata.

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

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

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

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, 14 August 2026.

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

Yes – the average flight time is 1 hour and 55 minutes.

How can I find the best flight deal to Kolkata?

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.

When is the best time to book flights to Kolkata?

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.

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

Currently, Biman Bangladesh Airlines and Buddha Air offer the cheapest flight tickets to Kolkata.

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

Around 1 hour 45 minutes is how long you can expect to be travelling on a direct flight from Kathmandu Airport to Kolkata Airport.
Kolkata's timezone is UTC+5:30, making Kolkata 17 minutes behind Kathmandu.
There are four Kathmandu Airport to Kolkata Airport flights each week to choose from.
Get to the airport on time so you don't miss your KTM to CCU 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.
You'll likely experience longer lines in popular months such as November. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.
Buddha Air offers direct flights from Kathmandu Airport to Kolkata Airport. Book with this popular airline, then get ready to tick off the sights in Kolkata — and maybe even more of India if your schedule allows.
The airline most travellers prefer to fly with on this route is Buddha Air.
Think about adding a stopover when booking your ticket from Kathmandu Airport to Kolkata Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between KTM and CCU:
- Delhi Indira Gandhi International Airport
- Mumbai Airport
- Hazrat Shahjalal International Airport

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

£115 is the best price for a one-way Kathmandu Airport to Kolkata Airport flight. A return flight starts at £222. These fares can change based on demand.
It's usually smart to book ahead of time if you want to get cheap tickets from KTM to CCU. That's because flight prices are based on demand, which tends to rise closer to the date of departure.
If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll find the cheapest price in each month when searching for a flight from Kathmandu Airport to Kolkata Airport.
You won't have to check every day to find out if fares have dropped when you set up a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from KTM to CCU.
Lock in the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Kathmandu Airport to Kolkata Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Kathmandu Airport (KTM)

51% of flights departing from Kathmandu Airport arrive at their destination on time.
Kathmandu Airport is about 6 kms (4 miles) from central Kathmandu. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to get there, depending on the traffic.
Catching public transport? You can expect a journey time of around 40 minutes.
Get your holiday off to a leisurely start by staying near KTM. Whether you're taking an early flight from Kathmandu Airport to Kolkata Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Kolkata Airport (CCU)

If you have a late Kathmandu Airport to Kolkata Airport flight, nothing beats the convenience of being close to the terminal. Grab your suitcases from the carousel and then be tucked up in bed soon after at one of these accommodation options near CCU:
Explore beyond Kolkata and discover new places with your own set of wheels. You can book a Kolkata Airport rental car from popular outlets like Europcar or Avis.
Booking your ride from Kolkata Airport around four weeks in advance gives you the best shot at securing a great deal.

Getting from Kolkata Airport (CCU) to central Kolkata

Kolkata Airport to central Kolkata has a drive time of around 35 minutes. It's approximately 18 kms (11 miles) away.
If you're travelling by public transport, expect a journey time of around 50 minutes.

When to fly to Kolkata Airport (CCU)

The quietest month for a flight from Kathmandu Airport to Kolkata Airport is June, while January is the busiest. Pick the best time to go to Kolkata based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Before locking in your flight from Kathmandu Airport to Kolkata Airport, think about the type of weather you like. April is the warmest month in Kolkata, with the temperature ranging from 24ºC to 42ºC.
January has average temperatures of between 15ºC and 28ºC. Look for cheap tickets from KTM to CCU sometime then if you want to travel in cooler conditions.

Explore more of India

Kolkata is easy to fall in love with, but there are so many other parts of India waiting to be discovered. About 467 kms (290 miles) north-west of Kolkata, a visit to Patna will keep your itinerary packed. Start with leading sights like Gurudwara, Buddha Smriti Park and Buddha Statue.
Ranchi is another standout destination in India and is around 322 kms (200 miles) west of Kolkata. No journey is complete without a visit to Jagannath Temple, Panchghagh Falls and Sun Temple.