Direct (nonstop) flights from Bangkok to Kolkata

5 airlines fly nonstop from Suvarnabhumi Airport (BKK) to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU). It's 1,016 miles (1,635 km), about 2h 45m in the air. Operated by IndiGo, Bhutan Airlines, Thai Airways International and others.

BKK
Suvarnabhumi Airport
🇹🇭 Bangkok, Thailand
CCU
Kolkata Netaji Subhas Chandra Bose Intl Airport
🇮🇳 Kolkata, India
Flight Time
2h 45m
Distance
1,016 mi
1,635 km
CO₂/pax
172 kg
−41 kg vs. layover
Airlines
5
IndiGo +4
Time Diff
-2h
Operated by IndiGo IndiGo Bhutan Airlines Bhutan Airlines Thai Airways International Thai Airways International Thai Vietjet Air Thai Vietjet Air FlexFlight FlexFlight

Route data last updated: May 22, 2026

Airlines with non-stop flights

IndiGo 6E IndiGo
Route
BKK → CCU
Flight Time
2h 45m
Distance
1,016 mi
Bhutan Airlines B3 Bhutan Airlines
Route
BKK → CCU
Flight Time
2h 45m
Distance
1,016 mi
Thai Airways International TG Thai Airways International
Route
BKK → CCU
Flight Time
2h 45m
Distance
1,016 mi
Thai Vietjet Air VZ Thai Vietjet Air
Route
BKK → CCU
Flight Time
2h 45m
Distance
1,016 mi
FlexFlight W2 FlexFlight
Route
BKK → CCU
Flight Time
2h 45m
Distance
1,016 mi

Alternative Routes

Other ways to fly from Bangkok to Kolkata with one stop · direct emits 172 kg CO₂ per passenger

BKK RGN (Yangon) CCU
Leg 1: 1h 20m (378 mi) Leg 2: 1h 50m (638 mi) Total: ~3h 10m 🍃 213 kg CO₂ (+24% vs. direct)
Leg 1
BKK → RGN
1h 20m · 378 mi
View BKK to RGN flights →
Leg 2
RGN → CCU
1h 50m · 638 mi
View RGN to CCU flights →
BKK DAC (Dhaka) CCU
Leg 1: 2h 40m (972 mi) Leg 2: 1h (149 mi) Total: ~3h 40m 🍃 217 kg CO₂ (+26% vs. direct)
Leg 1
BKK → DAC
2h 40m · 972 mi
View BKK to DAC flights →
Leg 2
DAC → CCU
1h · 149 mi
View DAC to CCU flights →
BKK BBI (Bhubaneswar) CCU
Leg 1: 2h 55m (1,086 mi) Leg 2: 1h 15m (236 mi) Total: ~4h 10m 🍃 252 kg CO₂ (+47% vs. direct)
Leg 1
BKK → BBI
2h 55m · 1,086 mi
View BKK to BBI flights →
Leg 2
BBI → CCU
1h 15m · 236 mi
View BBI to CCU flights →
BKK SAI (Siem Reap) CCU
Leg 1: 1h 20m (234 mi) Leg 2: 3h (1,217 mi) Total: ~4h 20m 🍃 274 kg CO₂ (+59% vs. direct)
Leg 1
BKK → SAI
1h 20m · 234 mi
View BKK to SAI flights →
Leg 2
SAI → CCU
3h · 1,217 mi
View SAI to CCU flights →
BKK GAY (Gaya) CCU
Leg 1: 3h 10m (1,280 mi) Leg 2: 1h 10m (264 mi) Total: ~4h 20m 🍃 290 kg CO₂ (+69% vs. direct)
Leg 1
BKK → GAY
3h 10m · 1,280 mi
View BKK to GAY flights →
Leg 2
GAY → CCU
1h 10m · 264 mi
View GAY to CCU flights →

Looking for the return flight?

CCU → BKK: Flights from Kolkata to Bangkok

Frequently Asked Questions

How long is the direct flight from Bangkok to Kolkata?

A nonstop flight from Bangkok (BKK) to Kolkata (CCU) takes approximately 2 hours and 45 minutes. The distance is 1,016 miles (1,635 km).

Which airlines fly nonstop from Bangkok to Kolkata?

5 airlines: IndiGo, Bhutan Airlines, Thai Airways International, Thai Vietjet Air, FlexFlight.

Is there a nonstop flight from Bangkok to Kolkata?

Yes. 5 airlines: IndiGo, Bhutan Airlines, Thai Airways International, Thai Vietjet Air, FlexFlight.

How far is Bangkok from Kolkata?

The flight distance from Bangkok to Kolkata 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 Bangkok and Kolkata?

Kolkata is 2 hours behind Bangkok. (Asia/Bangkok vs Asia/Kolkata.)

What type of aircraft flies from Bangkok to Kolkata?

At 2h 45m, 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 Thailand to India?

Depends on your passport. Check with the India embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Bangkok to Kolkata?

Roughly 172 kg CO2 per passenger one-way. That's about the same as driving 860 km.

Is the return flight from Kolkata to Bangkok 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 Bangkok to Kolkata?

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 Suvarnabhumi Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.