Cheap flights from Kathmandu to Kolkata

Flight deals from Kathmandu to Kolkata

Below you can see the best deals on flights Kathmandu — Kolkata for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 August, from $140.

Top 10 cheap flights from Kathmandu to Kolkata

About the Kathmandu — Kolkata flight

On this page, you can find and buy flight tickets for the route from Kathmandu to Kolkata. Please note that there is no direct air service between these cities, and all flights operate with a connection via Indira Gandhi International Airport or Hazrat Shahjalal International Airport, with a minimum travel time including the layover of about 6 hours and 15 minutes.

The main carriers on this route are Nepal Airlines, Akasa Air, and Biman Bangladesh. Ticket prices depend on the season and how far in advance you book, so to find the best deals, use the low price calendar and check the information on how to get to the airport of departure and ways to travel from the airport of arrival.

Below is a calendar of the lowest flight ticket prices for Kathmandu — Kolkata by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $140 in ,, and the most expensive are around $212 in a. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Kathmandu → Kolkata, average one-way price

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$264	high	May	$214	medium	Sep	$176	low
Feb	$227	medium	Jun	$189	low	Oct	$246	high
Mar	$233	medium	Jul	$183	low	Nov	$252	high
Apr	$258	high	Aug	$183	low	Dec	$239	high

Some values are estimated based on seasonality.

When to fly

In Kolkata, the temperature peak occurs in April and May, when the air warms up to 35.9°C. The wettest period is August, with up to 337 mm of precipitation and almost daily thunderstorms, while January remains the driest and coolest month of the year.

The most affordable flight prices are recorded for August 2026 — $140. Ticket prices peak in February 2027, when the minimum fare increases to $212.

The optimal time for booking is November: it's a good compromise between a comfortable temperature (around 28.9°C) and a flight price $159. It is recommended to avoid traveling in July due to extreme humidity and frequent precipitation.

Temperature · Kolkata

Dry and wet days · Kolkata

Wind speed and direction · Kolkata

We'll let you know if you need a visa

Enter your destination or

Your nationality

Destination

How to get the best deal on a Kathmandu — Kolkata ticket

When booking Nepal Airlines or Akasa Air flights with a connection in Delhi, check the layover time in advance to ensure you have enough time to clear security in the transit zone.
If you choose an option with Biman Bangladesh via Dhaka, try to book a single ticket to guarantee through baggage check-in to your final destination.
The most budget-friendly offers on this route start $176, so use the price trend chart to compare the benefits of departing on different days of the week.
Monitor the carry-on baggage allowance for different carriers on each segment of the journey, as low-cost airline rules can differ significantly from standard airline policies.

Three airlines operate flights on this route: Nepal Airlines, Akasa Air, and Biman Bangladesh. There are no direct flights between the cities, so the route is constructed with connections in Delhi or Dhaka. You will find details on the schedule and available connection options in the list below — click on the carrier's card to see the route details.

Nepal AirlinesRA
WebsiteFleet: 6640k pax/year
- KTM → DEL → CCU (with stopover)
Open →
Akasa AirQP
WebsiteFleet: 244.5M pax/year
- KTM → DEL → CCU (with stopover)
Open →
Biman BangladeshBG
WebsiteFleet: 213.1M pax/year
- KTM → DAC → CCU (with stopover)
Open →

Cities and airports on the Kathmandu — Kolkata route

Flights Kathmandu — Kolkata depart from Tribhuvan International Airport and arrive at Netaji Subhas Chandra Bose Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Kathmandu

KTM

Nepal

About the city How to get there Weather All about the country Nepal

Arrival

Kolkata

CCU

India

About the city How to get there Weather All about the country India

Departure airports

Tribhuvan International AirportKTM
About the airport

Arrival airports

Netaji Subhas Chandra Bose AirportCCU
About the airport

Travel Ideas

Resorts in India: Five best resorts for a comfortable vacation and experiencing local flavor

Imagine this: you’ve already been to Turkey and Egypt, and now you want something new. But you haven’t heard any interesting ideas or advice. Everywhere it’s the same: either Thailand or Bali. You won…

Travel Ideas

What to See in India: Main Attractions

India… Colorful, ambiguous, contrasting. Palaces here coexist with slums, noisy markets with peaceful Hindu temples, and crowded cities with jungles. India has literally divided travelers into two cam…

Tips for Travelers

India Transport — A Great Life Hack

If you’ve planned a long itinerary and intend to visit several cities and states in one trip (which we highly recommend), then you’re probably concerned about getting around the country. As we’ve writ…

Interesting

The World’s Largest Cities

If you prefer non-stop action to quiet solitude somewhere by the sea or in the mountains—this article is for you. We’ve already told you about the oldest cities in the world, and now it’s time to delv…

Tips for Travelers

Safety in India.

We continue to introduce you to India, and today we will touch upon a very important topic — safety. There are many myths circulating about independent travel in India, and a novice can easily take th…

Interesting

Most Dangerous Countries for Travel

International SOS assessed health and life risks for travelers in various countries worldwide and created an interactive map. Based on data from the British company Ipsos Mori, International SOS asses…

View all

Frequently asked questions about the Kathmandu — Kolkata flight

How long is the flight from Kathmandu to Kolkata?

There are no direct flights on this route. The minimum travel time, including one connection, is approximately 6 hours and 15 minutes.

Which airlines fly on this route?

Connecting flights are operated by Nepal Airlines, Akasa Air, and Biman Bangladesh.

Are there any direct flights?

No, there are currently no non-stop flights from Kathmandu to Kolkata; the routes include a connection in Delhi or Dhaka.

How much is the cheapest ticket?

Ticket prices are constantly changing. To find the current minimum for your dates, we recommend using the low price calendar provided on this page.

Which airport does the flight arrive at?

All flights arrive at Netaji Subhash Chandra Bose International Airport (CCU), which serves Kolkata.

Where else you can fly from Kathmandu

See all

Where else you can fly from Kolkata