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Cheap flights from Kathmandu to Kolkata

4 nonstop flights a week. Operated by Buddha Air, about 1h 45m in the air, 403 mi (649 km). Tickets from $171, nonstop from $293.

Flights from Kathmandu to Kolkata

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Kathmandu to Kolkata

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Kathmandu to Kolkata

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $171 15 February 2027, with a connection Cheapest nonstop $293 16 February 2027, Buddha Air Cheapest month February 2027 tickets from $171

Kathmandu to Kolkata at a glance

flight time, nonstop
1h 45m
straight-line distance
403 mi (649 km)
flights a week
4
next flight
10 November
departure time
07:00
lowest price, with a connection, 15 February
$171
lowest nonstop price
$293
airline
1

Kathmandu to Kolkata ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: February 2027, tickets from $171. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is December 2026: from $207. The average across months is $189.

Kathmandu to Kolkata flight schedule

4 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
U4 163
Buddha Air
07:00 Tribhuvan International, terminal I
08:30 Netaji Subhas Chandra Bose
1h 45m
Tue, Thu, Sat, Sun
ATR 42/ATR 72 FR/IT

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Kolkata is 0.25 hours behind Kathmandu. The search shows seat availability and the price for your date.

Airlines flying Kathmandu to Kolkata

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Buddha Air4 a week

Airports

Where flights from Kathmandu to Kolkata depart and land

Departure from Kathmandu

Tribhuvan International KTM

4 flights a week, terminal I, 2 mi (4 km) from the city centre

About the airport

Arrival in Kolkata

Netaji Subhas Chandra Bose CCU

4 flights a week, 7 mi (11 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Kathmandu to Kolkata?
A nonstop flight takes 1 hour 45 minutes on average.
How far is Kolkata from Kathmandu?
403 mi (649 km) in a straight line between the cities.
Which airlines fly nonstop from Kathmandu to Kolkata?
Buddha Air (4 a week).
How many flights a day are there from Kathmandu to Kolkata?
There are 4 a week, about 0.6 a day on average.
When are the first and last flights from Kathmandu to Kolkata?
The flight departs at 07:00 (U4163). Local time.
What is the cheapest month to fly from Kathmandu to Kolkata?
February 2027: tickets from $171. The most expensive is December 2026, from $207.
What is the cheapest upcoming date to fly from Kathmandu to Kolkata?
15 February 2027 (Monday): from $171 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Kathmandu to Kolkata?
Buddha Air: nonstop tickets from $293 on 16 February by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Kathmandu and Kolkata?
Kolkata is 0.25 hours behind Kathmandu. Schedule times on this page are local to each airport.
Which Kathmandu airport do flights to Kolkata leave from?
Tribhuvan International (4 a week).