Cheap flight tickets from Kolkata to Biratnagar

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

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Flight deals from Kolkata to Biratnagar

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

Find the cheapest month to fly from Kolkata to Biratnagar

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

Kolkata to Biratnagar: Alternative routes

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

Kolkata to Biratnagar: Flight information

The things to know before you go.
Cheapest flight foundRM1,841
Cheapest month to flyFebruary

Finding cheap flights from Kolkata to Biratnagar: Frequently asked questions

The best price we found for a return flight from Kolkata to Biratnagar is RM1,841. 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 Kolkata to Biratnagar. But we found flights with one or more stops from RM1,841.
As of February 2026, there are no flights flying from Kolkata to Biratnagar.
The cheapest month to fly from Kolkata to Biratnagar is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Biratnagar Airport on Friday, 13 February 2026.
No airlines currently offer direct flights between Kolkata Airport and Biratnagar 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 Biratnagar 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 Biratnagar is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Biratnagar.

Flying from Netaji Subhas Chandra Bose Airport (CCU) to Biratnagar Airport (BIR): what you need to know

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your CCU to BIR flight.

  • Flying during a peak time like July? Public holidays and other popular seasons can lead to longer lines at airport checkpoints. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • Break up your flight or take a detour to a new city with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from Netaji Subhas Chandra Bose Airport to Biratnagar Airport. Many travellers pass through Tribhuvan International Airport on this route.

How to find the cheapest flights from Netaji Subhas Chandra Bose Airport (CCU) to Biratnagar Airport (BIR)

  • RM794 is currently the lowest price for a one-way Netaji Subhas Chandra Bose Airport to Biratnagar Airport flight. A return flight starts at RM1,841. These prices can change based on demand.

  • It's usually best to book ahead of time if you're looking for cheap tickets from CCU to BIR. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • The 'Whole month' search function shows you the cheapest flights from Netaji Subhas Chandra Bose Airport to Biratnagar Airport across the month. It's an easy way to find a bargain if your dates are flexible.

  • Save time looking for cheap flights from CCU to BIR by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Discover the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Netaji Subhas Chandra Bose Airport to Biratnagar Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Netaji Subhas Chandra Bose Airport (CCU)

  • Of all flights leaving Netaji Subhas Chandra Bose Airport, 75.9% touch down on time at their destination.

  • To reach Netaji Subhas Chandra Bose Airport from central Kolkata, it takes around 40 minutes by car. Of course, this depends on traffic. It's approximately 16 kilometres from the airport to the city centre.

  • You can expect a trip time of about 55 minutes on public transport.

  • Get your journey off to a relaxed start by staying near CCU. Whether you have an early flight from Netaji Subhas Chandra Bose Airport to Biratnagar Airport or just don't like being rushed, these stays have you covered:

Arriving at Biratnagar Airport (BIR)

  • If you have a late Netaji Subhas Chandra Bose Airport to Biratnagar Airport flight, few things top the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and relaxing soon after at one of these accommodation options near BIR:

Getting from Biratnagar Airport (BIR) to central Biratnagar

  • From Biratnagar Airport, Biratnagar is approximately 5 kilometres away. It takes around 15 minutes to get to the centre driving.

When to fly to Biratnagar Airport (BIR)

  • The quietest month for a flight from Netaji Subhas Chandra Bose Airport to Biratnagar Airport is February, while May is the busiest. Pick the ideal time to visit Biratnagar based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Netaji Subhas Chandra Bose Airport to Biratnagar Airport, consider the kind of weather you enjoy. April is the warmest month in Biratnagar, with the temperature ranging from 22ºC (72ºF) to 40ºC (104ºF).

  • Search for cheap tickets from CCU to BIR in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 10ºC (50ºF) and 25ºC (77ºF) on average.

Explore more of Nepal

  • Biratnagar is easy to fall in love with, but there are so many other corners of Nepal you'll want to see. Around 241 kilometres north-west of Biratnagar, a visit to Kathmandu will keep you on the move. Start with leading attractions like Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa.

  • Around 386 kilometres north-west of Biratnagar, Pokhara is another favourite stop in Nepal. Experience this destination's highlights firsthand at Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

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