$156 Cheap Flights from Kathmandu (KTM) to Kolkata (CCU)

View $156 flight on Fri, Jan 2, 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)

Cheap Flights from Kathmandu to Kolkata (KTM-CCU)

Prices were available within the past 7 days and start at $156 for one-way flights and $305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Fri, Dec 12 - Fri, Dec 19
KTM
Kathmandu
CCU
Kolkata
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select Air India flight, departing Fri, Dec 12 from Kathmandu to Kolkata, returning Fri, Dec 19, priced at $305 found 1 day ago
Air India
Sat, Nov 22 - Sat, Nov 29
KTM
Kathmandu
CCU
Kolkata
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Nov 22 from Kathmandu to Kolkata, returning Sat, Nov 29, priced at $318 found 4 days ago
Air India
Sat, Nov 22 - Sat, Nov 29
KTM
Kathmandu
CCU
Kolkata
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Nov 22 from Kathmandu to Kolkata, returning Sat, Nov 29, priced at $318 found 4 days ago
Air India
Fri, Dec 12 - Fri, Dec 19
KTM
Kathmandu
CCU
Kolkata
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select Air India flight, departing Fri, Dec 12 from Kathmandu to Kolkata, returning Fri, Dec 19, priced at $321 found 1 day ago
Air India
Sat, Nov 22 - Sat, Nov 29
KTM
Kathmandu
CCU
Kolkata
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Nov 22 from Kathmandu to Kolkata, returning Sat, Nov 29, priced at $323 found 4 days ago
Air India
Sat, Nov 22 - Sat, Nov 29
KTM
Kathmandu
CCU
Kolkata
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Nov 22 from Kathmandu to Kolkata, returning Sat, Nov 29, priced at $324 found 4 days ago
Air India
Sat, Nov 22 - Sat, Nov 29
KTM
Kathmandu
CCU
Kolkata
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Nov 22 from Kathmandu to Kolkata, returning Sat, Nov 29, priced at $328 found 4 days ago
Air India
Wed, Dec 3 - Thu, Dec 11
KTM
Kathmandu
CCU
Kolkata
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select Air India flight, departing Wed, Dec 3 from Kathmandu to Kolkata, returning Thu, Dec 11, priced at $332 found 2 days ago
IndiGo
Thu, Nov 20 - Tue, Nov 25
KTM
Kathmandu
CCU
Kolkata
$338 Roundtrip, found 13 hours ago
$338
Roundtrip
found 13 hours ago
Select IndiGo flight, departing Thu, Nov 20 from Kathmandu to Kolkata, returning Tue, Nov 25, priced at $338 found 13 hours ago
SpiceJet
Fri, Oct 31 - Sat, Nov 1
KTM
Kathmandu
CCU
Kolkata
$618 Roundtrip, found 6 hours ago
$618
Roundtrip
found 6 hours ago
Select SpiceJet flight, departing Fri, Oct 31 from Kathmandu to Kolkata, returning Sat, Nov 1, priced at $618 found 6 hours ago
Flights from Kathmandu (KTM) to Kolkata (CCU)
Origin airport
Tribhuvan Intl.
Destination airport
Netaji Subhash Chandra Bose Intl.
Airlines serving
Air India, IndiGo
Roundtrip price
$304
Distance
398 mi
Average flight time
1 hour 45 mins

Kathmandu to Kolkata Flights

The cheapest times to fly from Kathmandu to Kolkata

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Kolkata are during the month of December. You can find some of the cheapest flights from Kathmandu to Kolkata with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Kolkata

Sunday is one of the best days to book for cheap flights from Kathmandu to Kolkata: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kathmandu to Kolkata

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Kolkata in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Kolkata flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Kolkata airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU) cost?
Get a cheap one-way flight from $156 or cheap return flight from $305 from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
The cheapest month to fly from KTM to CCU is December, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest KTM to CCU flight.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
You'll need to take a flight with a layover if you're traveling from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from KTM to CCU?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from KTM to CCU?
Air India has the best track record for on-time direct flights from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU), with an on-time score of 80%. Use the Expedia App to look up your flight status before you jet off and get notified of any trip changes.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Choose a flight from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU) last-minute?
Booking your flight from KTM to CCU right before your trip is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a KTM to CCU flight and hotel package?
Opting for a KTM to CCU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
If you booked your KTM to CCU flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.