$160 Find Cheap Flights from Kathmandu to Kolkata - Compare and Save

Only Buddha Air operates flights between Kathmandu and Kolkata.

Flights from Kathmandu to Kolkata usually depart from Kathmandu Tribhuvan (KTM) and arrive at Kolkata Netaji S. Chandra (CCU).

Here are some options for this route, based on selected ticket types and cabin classes:

• Buddha Air: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Kathmandu to Kolkata.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $299 round-trip via Dhaka Hazrat Shahjalal Intl (DAC), compared to $484 for nonstop.

Connecting flights from Kathmandu to Kolkata most commonly pass through:

• New Delhi Indira Gandhi Intl (DEL) - 69% of one-stop connections
• Dhaka Hazrat Shahjalal Intl (DAC) - 31% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 49% on the Kathmandu to Kolkata route. Monday is the cheapest departure day at $238 round-trip on average, while Thursday is the most expensive at $463, a difference of $225. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Kathmandu to Kolkata flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Kathmandu to Kolkata:

• Earliest: departs at 7:00 am and lands at 8:45 am
• Latest: departs at 7:00 am and lands at 8:45 am.

The flight takes about 1h 45m.

A nonstop flight from Kathmandu to Kolkata takes 1h 45m, covering 398 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $313 to $590. That means the highest observed fare was about 88% higher than the lowest one.

One-way fares from Kathmandu to Kolkata are currently higher than usual. Average one-way flight prices are about $330, which is 77% above the typical average for this route.

Flying via New Delhi Indira Gandhi Intl (DEL) gives the shortest average 1-stop total travel time at 7h 11m, compared with 19h 47m via Dhaka Hazrat Shahjalal Intl (DAC).

Round-trip flights from Kathmandu to Kolkata range from $285 to $465, with an average of $357 over the past 12 months. Anything below $285 counts as a good deal.