Direct (nonstop) flights from Kolkata to Bangkok
5 airlines fly nonstop from Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU) to Suvarnabhumi Airport (BKK). It's 1,016 miles (1,635 km), about 2h 40m in the air. Operated by IndiGo, Bhutan Airlines, Thai Airways International and others.
IndiGo
Bhutan Airlines
Thai Airways International
Thai Vietjet Air
FlexFlight
Route data last updated: May 24, 2026
Airlines with non-stop flights
B3
Bhutan Airlines
TG
Thai Airways International
VZ
Thai Vietjet Air
Alternative Routes
Other ways to fly from Kolkata to Bangkok with one stop · direct emits 172 kg CO₂ per passenger
Looking for the return flight?
BKK → CCU: Flights from Bangkok to KolkataOther direct flights from Kolkata
Direct flights from Bangkok (BKK)
Frequently Asked Questions
How long is the direct flight from Kolkata to Bangkok?
A nonstop flight from Kolkata (CCU) to Bangkok (BKK) takes approximately 2 hours and 40 minutes. The distance is 1,016 miles (1,635 km).
Which airlines fly nonstop from Kolkata to Bangkok?
5 airlines: IndiGo, Bhutan Airlines, Thai Airways International, Thai Vietjet Air, FlexFlight.
Is there a nonstop flight from Kolkata to Bangkok?
Yes. 5 airlines: IndiGo, Bhutan Airlines, Thai Airways International, Thai Vietjet Air, FlexFlight.
How far is Kolkata from Bangkok?
The flight distance from Kolkata to Bangkok is 1,016 miles (1,635 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What is the time difference between Kolkata and Bangkok?
Bangkok is 2 hours ahead of Kolkata. (Asia/Kolkata vs Asia/Bangkok.)
What type of aircraft flies from Kolkata to Bangkok?
At 2h 40m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from India to Thailand?
Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Kolkata to Bangkok?
Roughly 172 kg CO2 per passenger one-way. That's about the same as driving 860 km.
Is the return flight from Bangkok to Kolkata also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Kolkata to Bangkok?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Kolkata Netaji Subhas Chandra Bose Intl Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.