Bangkok (BKK) to Kolkata (CCU) flights
Nonstop from Suvarnabhumi to Netaji Subhas Chandra Bose International: distance, flying time, which airlines fly it and how often.
Distance
1,017 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying BKK to CCU
Also in the data (cargo, charter or a foreign airline on a domestic route): Bhutan Airlines, Thai Vietjet Air.
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare BKK to CCU fares by month.
Both directions
Frequently asked questions
How long is the flight from Bangkok to Kolkata?
About 2h 37m gate to gate for the 1,637 km (1,017 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from BKK to CCU?
IndiGo, SpiceJet and Thai Airways, with about 5 flights a day between them in our data (AeroDataBox, November 2026).