Kolkata (CCU) to Bangkok (BKK) flights
5 airlines fly nonstop from Kolkata (CCU) to Bangkok (BKK): Bhutan Airlines, IndiGo, SpiceJet, Thai Airways International and Thai Vietjet Air. The two airports are 1,017 miles (1,636 km) apart. Thai Airways International is in Star Alliance. There are also 14 ways to fly it with one stop, through Yangon, Dhaka and Bhubaneswar and more.
Airlines flying nonstop from CCU to BKK
- B3Bhutan AirlinesNot in an alliance
- IndiGoNot in an alliance Β· bookable with 1 programWho books it

- SGSpiceJetNot in an alliance
- Thai Airways InternationalStar Alliance Β· bookable with 12 programsWho books it

- VZThai Vietjet AirNot in an alliance
Book CCU to BKK with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Thai Airways International
- Air New Zealand AirpointsBooks Thai Airways International
- ANA Mileage ClubBooks Thai Airways International
- Avianca LifeMilesBooks Thai Airways International
- Emirates SkywardsBooks Thai Airways International
- EVA Air Infinity MileageLandsBooks Thai Airways International
- Lufthansa Miles & MoreBooks Thai Airways International
- Singapore Airlines KrisFlyerBooks Thai Airways International
- TAP Miles&GoBooks Thai Airways International
- Thai Royal Orchid PlusBooks Thai Airways International
- Turkish Airlines Miles&SmilesBooks Thai Airways International
- United MileagePlusBooks Thai Airways International
- Virgin Atlantic Flying ClubBooks IndiGo
CCU to BKK with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Yangon (RGN)Myanmar Airways International the whole way8M8M
UB - Via Dhaka (DAC)Biman Bangladesh Airlines and US-Bangla Airlines the whole wayBGBS
BGBS
- Via Bhubaneswar (BBI)IndiGo the whole way


- Via Guwahati (GAU)IndiGo the whole way
9I
KB
- Via Siem Reap (SAI)IndiGo, then Bangkok Airways, Thai Airways International and 1 more




- Via Bagdogra (IXB)IndiGo, SpiceJet and 1 more, then Drukair
SG
KB - Via Paro (PBH)Bhutan Airlines and Drukair the whole wayB3KBKBB3
- Via Gaya (GAY)IndiGo the whole way
B3

- Via Phuket (HKT)IndiGo, then Bangkok Airways, Thai Airways International and 2 more


VZ+1 - Via Vishakhapatnam (VTZ)IndiGo, then Air India Express


- Via Kunming (KMG)China Eastern Airlines the whole way




- Via Hanoi (HAN)IndiGo, then Thai Airways International, VietJet Air and 4 more


+3
- Via Kathmandu (KTM)Buddha Air, then Nepal Airlines, Thai Airways International and 1 moreU4RA
H9 - Via Varanasi (VNS)IndiGo, then Air India Express


CCU to BKK: common questions
Which airlines fly nonstop from CCU to BKK?
Bhutan Airlines, IndiGo, SpiceJet, Thai Airways International (Star Alliance) and Thai Vietjet Air fly nonstop from Kolkata (CCU) to Bangkok (BKK).
How far is Kolkata from Bangkok by plane?
Kolkata (CCU) and Bangkok (BKK) are 1,017 miles (1,636 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book CCU to BKK award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does CCU to BKK cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CCU to BKK with taxes and fees.
Where can I connect between Kolkata and Bangkok?
The most direct connections are through Yangon (RGN), Dhaka (DAC), Bhubaneswar (BBI), Guwahati (GAU) and Siem Reap (SAI). On 7 of them the same airline flies both flights, for example Myanmar Airways International through Yangon.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.