Cheap Flights from Kolkata to Kathmandu

Cheapest flights from Kolkata to Kathmandu

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Kolkata to Kathmandu. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$144

Air India

1 layover

9h 20m

01/12/2027

The cheapest one-way flight from Kolkata to Kathmandu departs on 01/12/2027, is operated by Air India and costs $144

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Kolkata to Kathmandu

The fastest flight

9h 20m

Fastest flight from Kolkata to Kathmandu takes 9h 20m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

9:10 AM

Latest flight

9:10 AM

Direct flights count

4

Distance

648km

Timezone difference

15m

The distance between Kolkata and Kathmandu is 648km (402 miles). There are 4 direct flights from Kolkata to Kathmandu. The time difference between Kolkata and Kathmandu is 15m. Flights from Kolkata begin at 9:10 AM. The latest flight from Kolkata departs at 9:10 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Kolkata to Kathmandu by month

The minimum one-way ticket price from Kolkata to Kathmandu is $138 (December 2026), while the maximum is $226 (October 2026). On average, a ticket costs $169–$369.

December 2026

Lowest price

on average:

$138

October 2026

Highest price

on average:

$226

Avg Price

Price dynamics

The price trend from Kolkata to Kathmandu resembles a smile: costs drop, bottom out, then recover. Knowing this, you can pick dates with the best prices.

Cheaper and more expensive periods

Prices fall from October 2026 to December 2026 (39%), then rise from December 2026 to January 2027 (+4%). The best period is December 2026–January 2027 ($140), the most expensive is October 2026–December 2026 ($182).

Best time to buy

The best time to buy is December 2026–January 2027, when prices are at their lowest. This can save you up to 23% compared to the expensive months (October 2026–December 2026).

Price predictability

Monthly price variation is 23.9%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

Airlines operating on route

The route Kolkata — Kathmandu is served by a single airline — Air India. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $144. Using our service, you can quickly compare available Air India flights and book a seat in advance at a favorable rate.

Air India

starting at $144

Non-stop flights from Kolkata to Kathmandu

A non-stop flight is the most convenient and comfortable way to fly from Kolkata to Kathmandu, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Kolkata to Kathmandu at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Kolkata to Kathmandu

There are most likely no direct flights on the Kolkata — Kathmandu route

Kolkata airports overview

Netaji Subhas Chandra Bose Airport

•

CCU

•

Kathmandu airports overview

Tribhuvan International Airport

•

KTM

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Kolkata to Kathmandu?

The cheapest flight ticket from Kolkata to Kathmandu according to data for the last 48 hours costs $144

When is the best time to buy air tickets on the route Kolkata — Kathmandu?

Often the best time to buy tickets from Kolkata to Kathmandu is 2 months before departure.

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

Based on statistics over the past years, the lowest prices for flights from Kolkata to Kathmandu can be found flying in these months: December, January, October.

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

The fastest flights from Kolkata to Kathmandu start from 9 hours 20 minutes in the air.

Which airline can fly direct from Kolkata to Kathmandu?

The following airlines operate direct flights on the route Kolkata — Kathmandu:

Special offers and sales on air tickets from Kolkata to Kathmandu

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Kolkata to Kathmandu

Alternative routes

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Cheapest one way flight

$144

Air India

1 layover

9h 20m

01/12/2027

The cheapest one-way flight from Kolkata to Kathmandu departs on 01/12/2027, is operated by Air India and costs $144

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Kolkata to Kathmandu

The fastest flight

9h 20m

Fastest flight from Kolkata to Kathmandu takes 9h 20m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

9:10 AM

Latest flight

9:10 AM

Direct flights count

4

Distance

648km

Timezone difference

15m

Price dynamics

The price trend from Kolkata to Kathmandu resembles a smile: costs drop, bottom out, then recover. Knowing this, you can pick dates with the best prices.

Cheaper and more expensive periods

Best time to buy

The best time to buy is December 2026–January 2027, when prices are at their lowest. This can save you up to 23% compared to the expensive months (October 2026–December 2026).

Price predictability

Monthly price variation is 23.9%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

What is the cheapest price for flights from Kolkata to Kathmandu?

The cheapest flight ticket from Kolkata to Kathmandu according to data for the last 48 hours costs $144

When is the best time to buy air tickets on the route Kolkata — Kathmandu?

Often the best time to buy tickets from Kolkata to Kathmandu is 2 months before departure.

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

Based on statistics over the past years, the lowest prices for flights from Kolkata to Kathmandu can be found flying in these months: December, January, October.

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

The fastest flights from Kolkata to Kathmandu start from 9 hours 20 minutes in the air.

Which airline can fly direct from Kolkata to Kathmandu?

The following airlines operate direct flights on the route Kolkata — Kathmandu:

Cheap Flights from Kolkata to Kathmandu

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Kolkata to Kathmandu

Cheapest one way flight

$144

Air India

1 layover

9h 20m

01/12/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

9h 20m

Direct flights

No direct flights

Earliest flight

9:10 AM

Latest flight

9:10 AM

Direct flights count

4

Distance

648km

Timezone difference

15m

Airfare from Kolkata to Kathmandu by month

December 2026

on average:

$138

October 2026

on average:

$226

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Kolkata to Kathmandu

Schedule of direct flights from Kolkata to Kathmandu

Kolkata airports overview

Netaji Subhas Chandra Bose Airport

Kathmandu airports overview

Tribhuvan International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Kolkata to Kathmandu

Alternative routes

Cheapest one way flight

$144

Air India

1 layover

9h 20m

01/12/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

9h 20m

Direct flights

No direct flights

Earliest flight

9:10 AM

Latest flight

9:10 AM

Direct flights count

4

Distance

648km

Timezone difference

15m

December 2026

on average:

$138

October 2026