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Cheap flights from Kathmandu to Kolkata from ₹ 18,767

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — CCU
25 Feb — 4 Mar1
1 adult

Cheap flight deals from Kathmandu to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2025.

Round-trip from

₹ 25,717

One-way from

₹ 18,767

Popular in

January

Cheapest in

August

Average price

₹ 30,061

Good one-way deal

₹ 11,726 or less
Biman Bangladesh
  • Biman Bangladesh
  • 8/3-8/4
  • 2 total stops
  • 25h 45m total
  • Kathmandu to Kolkata
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IndiGo
  • IndiGo
  • 28/2
  • 1 total stop
  • 15h 10m total
  • Kathmandu to Kolkata
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Highest demand for flights based on searches. 19% potential increase in price (₹ 556,012 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (₹ 73,535 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra.
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Find flight deals from Kathmandu to Kolkata

Cheapest flights from Kathmandu to Kolkata
Explore the most affordable flight options available from Kathmandu to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Sat 8/312:35KTM - CCU
1 stop5h 30mBiman Bangladesh
Tue 8/418:30CCU - KTM
1 stop20h 15mBiman Bangladesh
Deal found 20/2₹ 25,717
Sat 5/413:45KTM - CCU
1 stop11h 25mMultiple Airlines
Tue 8/419:30CCU - KTM
1 stop14h 05mMultiple Airlines
Deal found 20/2₹ 35,622
Wed 26/216:40KTM - CCU
2 stops30h 35mIndiGo
Thu 6/320:50CCU - KTM
1 stop18h 35mIndiGo
Deal found 19/2₹ 36,925
Sun 13/400:25KTM - CCU
1 stop24h 35mThai Airways
Sun 20/402:00CCU - KTM
1 stop10h 10mThai Airways
Deal found 19/2₹ 70,201
Thu 20/217:00KTM - CCU
1 stop11h 30mAir India
Sun 23/206:45CCU - KTM
1 stop6h 55mAir India
Deal found 19/2₹ 72,807

Find flights from Kathmandu to Kolkata within your budget

Customise your flight search to find flights from Kathmandu to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 20 February 2025.

Fly from

Kathmandu

Fly to

Kolkata

Route

Depart

Return

Price

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sat 8/3

12:35-17:50

1 stop5h 30m

Kolkata Netaji S. Chandra

Tue 8/4

18:30-15:00

1 stop20h 15m

₹ 25,717

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sat 5/4

13:45-00:55

1 stop11h 25m

Kolkata Netaji S. Chandra

Tue 8/4

19:30-09:50

1 stop14h 05m

₹ 35,622

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sun 13/4

00:25-00:45

1 stop24h 35m

Kolkata Netaji S. Chandra

Sun 20/4

02:00-12:25

1 stop10h 10m

₹ 70,201

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 14/4

14:55-20:40

1 stop6h 00m

Kolkata Netaji S. Chandra

Mon 21/4

20:55-09:05

2 stops11h 55m

₹ 96,439

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Fri 28/2

16:40-07:35

1 stop15h 10m

₹ 18,767

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sat 5/4

14:55-23:30

1 stop8h 50m

₹ 19,027

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Tue 15/4

15:00-18:45

1 stop4h 00m

₹ 19,548

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 31/3

00:25-00:45

1 stop24h 35m

₹ 35,969

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from Kathmandu to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Kathmandu with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Kathmandu to Kolkata

Get recent, data-driven insights about flights from Kathmandu to Kolkata including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kathmandu to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 120). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to CCU?

Find hourly flight availability from Kathmandu to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kathmandu to Kolkata as you normally would.

Rainfall in Kolkata by month

Plan your trip to Kolkata by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kolkata ranges from 7.0 - 356.0 inches per month. August is typically the wettest month, when rainfall can reach 356.0 mm. December is typically the driest time to visit Kolkata when rainfall is around 7.0 mm.

Temperature in Kolkata by month

Plan your trip to Kolkata by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated 20 February 2025.
Read through reviews of airlines operating flights from Kathmandu to Kolkata, such as Thai Airways, IndiGo and Air India. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
318 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Crew

8.3

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Thai Airways
7.8
Good
318 reviews
Thai Airways
7.8
Good
318 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Crew

8.3

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

IndiGo
6.8
Okay
481 reviews
Thai Airways
7.8
Good
318 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Crew

8.3

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Air India
5.5
Fair
2,909 reviews
Thai Airways
7.8
Good
318 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

6.8

Crew

8.3

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Kathmandu to Kolkata flight route?

    This flight path from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra was viewed by 16 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Kathmandu to Kolkata round-trip?

    According to our current data, Biman Bangladesh (₹ 25,717), Thai Airways (₹ 70,201), and Air India (₹ 96,439) offers the cheapest pricing from Kathmandu to Kolkata. Biman Bangladesh is priced at 1% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kathmandu to Kolkata one-way?

    ₹ 18,767 is the cheapest one-way deal found within the past few days, from IndiGo. You may also be able to find cheap deals on Air India and Thai Airways, with prices starting from ₹ 19,027 and ₹ 35,969, respectively.

  • What are the cheapest flights from Kathmandu to Kolkata?

    While on average a flight from Kathmandu to Kolkata is generally ₹ 11,726, our data shows the cheapest flight currently is ₹ 11,726. When looking at the most popular route, (Kathmandu Tribhuvan - Kolkata Netaji S. Chandra), you can expect to pay ₹ 26,933 for that flight.

  • Can I find deals for flights from Kathmandu to Kolkata that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Kolkata.

  • Can I find deals for business class flights from Kathmandu to Kolkata?

    Yes. Cheapflights offers flight deals from Kathmandu to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 120). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Kolkata car hire
Kolkata Netaji S. Chandra Airport car hire

Top airline flying from Kathmandu to Kolkata

Discover the top airline that operate flights from Kathmandu to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 18,536Average₹ 22,566FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kathmandu to Kolkata?

Deals for Kathmandu to Kolkata flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Kolkata?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kathmandu to Kolkata.

Can Cheapflights find flights from Kathmandu to Kolkata with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kathmandu to Kolkata, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kathmandu to Kolkata become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kolkata from Kathmandu today and book when prices fit your budget.

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