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Did you mean flights from Kolkata to Busan?
South Korea
Gimhae International Airport
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India
Netaji Subhash Chandra Bose International Airport
At present, there are no direct flights from Busan to Kolkata.
However, there are several flights from PUS to CCU with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from PUS to CCU, and to see what flight schedules are available.
Kolkata is a tropical destination known for its warm climate, with temperatures between 25°C and 30°C (77°F to 86°F) throughout the year. The area is characterized by high humidity and frequent rainfall.
Being located north of the equator, Kolkata experiences its dry season from November to April, making this the perfect time to visit. In this period, you can expect mostly dry conditions, while the wet season will see days of rain. Humidity and temperatures are consistently high all year long.

Currently, there is only one airline that covers the full route (with 1 stopover) from Busan PUS to Kolkata CCU, which is Singapore Airlines.
All other flights from Busan to Kolkata are operated by a combination of multiple carriers, which are listed below:
Star Alliance is the only alliance that covers the full route (with 1 stopover) from Busan PUS to Kolkata CCU.
You can fly the full journey from PUS to CCU in either Economy or Business Class. Premium Economy and First Class are not available on this route, at least not on the full route with just 1 stopover.
In total there are 2 aircraft types that cover the full route from Busan to Kolkata. These aircrafts are:
All other flights from Busan to Kolkata are operated by a combination of multiple aircraft types.
The distance between Busan and Kolkata is 2,580 miles (4,151 kilometers).
However, because there are no direct flights between PUS and CCU, the distance of the full journey varies between 2,814 and 4,634 miles (or 4,529 and 7,458 kilometers), depending on your stopover airport.
Flights from Busan to Kolkata take from 7 hours up to 11 hours and 10 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Kolkata: Netaji Subhash Chandra Bose International Airport (CCU).
From 7 hours up to 11 hours and 10 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between PUS and CCU, the total distance of the full journey varies between 2,814 and 4,634 miles (or 4,529 and 7,458 kilometers), depending on your stopover airport.
Singapore Airlines is the only airline flying the full route from Busan to Kolkata.
Vietnam Airlines, VietJet Air, IndiGo Airlines, China Eastern, Jeju Air, Korean Air, Spring Airlines, Shanghai Airlines, Air Busan, Jin Air, FlexFlight, Thai Airways, Bhutan Airlines, Thai Vietjet Air, AirAsia X, Malaysia Airlines and AirAsia operate several connecting flights, but only partly.
Star Alliance is currently the only alliance flying from Busan to Kolkata.
You can fly the full route from Busan to Kolkata (with 1 stopover) in Economy and Business Class.
Aircraft types that fly the full route from Busan to Kolkata (with 1 stopover):
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