Cheap flights from Kolkata to Kathmandu

Flight deals from Kolkata to Kathmandu

Below you can see the best deals on flights Kolkata — Kathmandu 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 28 September, from $113.

Top 10 cheap flights from Kolkata to Kathmandu

About the Kolkata — Kathmandu flight

On this page, you can find and buy flight tickets for the Kolkata — Kathmandu route. Please note that there are no direct flights between these cities: flights are operated with one layover via Hazrat Shahjalal International Airport or Indira Gandhi International Airport, and the minimum travel time including the connection is about 5 hours 40 minutes. To ensure a comfortable trip, research in advance how to get to the airport of departure and how to get from the airport to the city center.

The main carriers on this route are Indigo Air, Biman Bangladesh, and Spice Jet. Flight costs are constantly changing, so to help you choose the best booking time, the site features a price trend graph and a low-fare calendar to help you track the most advantageous offers.

Below is a calendar of the lowest flight ticket prices for Kolkata — Kathmandu by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $113 in F, and the most expensive are around $155 in e. 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

Kolkata → Kathmandu, average one-way price

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$165	low	May	$229	high	Sep	$213	high
Feb	$161	low	Jun	$194	medium	Oct	$227	high
Mar	$204	medium	Jul	$184	medium	Nov	$175	medium
Apr	$233	high	Aug	$180	low	Dec	$188	medium

Some values are estimated based on seasonality.

When to fly

The warmest month in Kathmandu is June, with a maximum temperature of 25.1°C. The coldest weather and heaviest rainfall of up to 838 mm are observed in July and August, when up to 31 rainy days per month are recorded.

The cheapest month to fly from Kolkata is September, when tickets cost $113. Peak prices occur in October — the ticket cost during this period starts $155.

A good alternative is November: there is significantly less rainfall, and the ticket price starts $135. It is recommended to avoid the summer monsoon season due to the high risk of flight delays and unfavorable weather.

Temperature · Kathmandu

Dry and wet days · Kathmandu

Wind speed and direction · Kathmandu

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

Plan your ticket purchase for September to take advantage of the minimum fares, which start $113.
Since the route involves a connection in Dhaka or Delhi, choose a single ticket to ensure automatic baggage transfer and protection in case the first segment is delayed.
Compare offers from low-cost carriers Indigo Air and Spice Jet with Biman Bangladesh flights, as transit flight prices can vary significantly.
Use the low-fare calendar on this page to check departure costs for neighboring dates, when tickets might be 15–20% cheaper.

Five airlines operate flights on the Kolkata — Kathmandu route, with Indigo Air, Biman Bangladesh, and Spice Jet leading in flight frequency. There are no direct flights between the cities, so travel involves layovers at airports in Dhaka or Delhi. A detailed schedule and route options are available in the interactive list below.

Indigo Air6E
WebsiteFleet: 434118M pax/year
- CCU → DAC → KTM (with stopover)
Open →
Biman BangladeshBG
WebsiteFleet: 213.1M pax/year
- CCU → DAC → KTM (with stopover)
Open →
Spice JetSG
WebsiteFleet: 286.4M pax/year
- CCU → DEL → KTM (with stopover)
Open →
Nepal AirlinesRA
WebsiteFleet: 6640k pax/year
- CCU → DEL → KTM (with stopover)
Open →
Air IndiaAI
WebsiteFleet: 14230M pax/year
- CCU → DEL → KTM (with stopover)
Open →

Cities and airports on the Kolkata — Kathmandu route

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

Departure

Kolkata

CCU

India

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

Arrival

Kathmandu

KTM

Nepal

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

Departure airports

Netaji Subhas Chandra Bose AirportCCU
About the airport

Arrival airports

Tribhuvan International AirportKTM
About the airport

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Frequently asked questions about the Kolkata — Kathmandu flight

How long is the flight from Kolkata to Kathmandu?

There are no direct flights on this route. The minimum travel time, including a connection, is approximately 5 hours 40 minutes, but the final duration depends on the waiting time at the transit airport.

Which airlines fly from Kolkata to Kathmandu?

Regular connecting flights are operated by Indigo Air, Biman Bangladesh, Spice Jet, Nepal Airlines, and Air India.

Are there direct flights for this destination?

No, there are no non-stop flights. All flights are operated with a layover via Indira Gandhi International Airport in Delhi or Hazrat Shahjalal International Airport in Dhaka.

How much is the cheapest ticket?

Airfare costs are constantly changing based on demand and season. You can always check the current minimum for specific dates in the low-fare calendar on this page.

Which airport does the flight arrive at?

All flights on this route arrive at Tribhuvan International Airport (KTM), which is the main air gateway to Nepal in Kathmandu.

Where else you can fly from Kolkata

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Where else you can fly from Kathmandu