Cheap flights from Kolkata to Bangkok

Netaji Subhas Chandra Bose
CCU
Suvarnabhumi
BKK

Flight deals from Kolkata to Bangkok

Below you can see the best deals on flights Kolkata — Bangkok for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 29 September, from $92.

Top 10 cheap flights from Kolkata to Bangkok

VZ
$ 93

Kolkata — Bangkok

01:00—05:00
14 Sep 2026
2 h 30 m
Direct flight
VZ
$ 113

Kolkata — Bangkok

01:00—05:00
8 Sep 2026
2 h 30 m
Direct flight
VZ
$ 113

Kolkata — Bangkok

01:00—05:00
12 Sep 2026
2 h 30 m
Direct flight
VZ
$ 113

Kolkata — Bangkok

01:00—05:00
27 Aug 2026
2 h 30 m
Direct flight
VZ
$ 113

Kolkata — Bangkok

01:00—05:00
7 Sep 2026
2 h 30 m
Direct flight
VZ
$ 113

Kolkata — Bangkok

01:00—05:00
3 Sep 2026
2 h 30 m
Direct flight
SL
$ 116

Kolkata — Bangkok

02:35—06:35
14 Sep 2026
2 h 30 m
Direct flight
VZ
$ 123

Kolkata — Bangkok

01:00—05:00
31 Aug 2026
2 h 30 m
Direct flight
VZ
$ 123

Kolkata — Bangkok

01:00—05:00
18 Aug 2026
2 h 30 m
Direct flight
VZ
$ 123

Kolkata — Bangkok

01:00—05:00
1 Sep 2026
2 h 30 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Kolkata to Bangkok?

The price of a flight from Kolkata to Bangkok changes depending on how far ahead you book. For the best chance of a lower fare, book around 27 days before departure, when the average ticket costs about $586. Fares also tend to climb as the departure date gets closer.

About the Kolkata — Bangkok flight

Looking for cheap flights from Kolkata to Bangkok? Compare fares from different airlines, check the flight schedule and travel time — and book your Kolkata — Bangkok ticket online at the best price.

The route has direct flights — around 109 flights per week, flights are operated by Indigo Air, Spice Jet, Thai Airways, Thai AirAsia and 7 more airlines, a nonstop flight takes about 2 h 30 min, the distance between the cities is around 1,612 km.

Planning your trip? You may find our Bangkok travel guide, how to get from the airport into town and Bangkok weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $75Min. price
FebruaryCheapest
MayPeak season
YesDirect flights
1,612 kmDistance
2 h 30 minTravel time
11Airlines
109 / wkFlights

Flight schedule from Kolkata to Bangkok

The table shows direct flights from Kolkata to Bangkok on the selected date. The flight takes approximately 2 h 30 min. Regular flights are operated by Indigo Air, Spice Jet, Thai Airways and Thai AirAsia. Departures from Netaji Subhas Chandra Bose Airport airports, arrivals at Suvarnabhumi Airport and Don Mueang International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Kolkata — Bangkok

Below is a calendar of the lowest flight ticket prices for Kolkata — Bangkok by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $75 in February, and the most expensive are around $173 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Kolkata to Bangkok by month. Tickets are usually cheapest in June (around $114) and priciest in January (about $174) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$174highMay$126lowSep$114low
Feb$168highJun$114lowOct$138medium
Mar$150mediumJul$114lowNov$162high
Apr$144mediumAug$120lowDec$174high

Some values are estimated based on seasonality.

When to fly

Weather in Bangkok: it is warmest in April (up to 35 °C on average) and coolest in December (around 31 °C). The driest month is December.

Tickets are usually cheapest in February and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Bangkok

Dry and wet days · Bangkok

Wind speed and direction · Bangkok

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How to get the best deal on a Kolkata — Bangkok ticket

  • Book ahead: fares for Kolkata — Bangkok are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Bangkok is usually February — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Kolkata — Bangkok route are operated by 11 airlines; Indigo Air runs the most flights (around 20% of all flights). Compare carriers, flight shares and schedules below.

  • Indigo Air6E
    7x/week
    WebsiteFleet: 434118M pax/year
    • Direct flight CCU → BKK7x/week
      Duration
      2h 45m
      Days
      MTWTFSS
    20.2%Open →
  • Spice JetSG
    7x/week
    WebsiteFleet: 286.4M pax/year
    • Direct flight CCU → BKK7x/week
    19.3%Open →
  • Thai AirwaysTG
    5x/week
    WebsiteFleet: 7715M pax/year
    • Direct flight CCU → BKK5x/week
      Duration
      2h 40m
      Days
      MTWTFSS
    12.8%Open →
  • Thai AirAsiaFD
    5x/week
    WebsiteFleet: 5618.9M pax/year
    • Direct flight CCU → DMK5x/week
      Duration
      2h 35m
      Days
      MTWTFSS
    12.8%Open →
  • FLEX FLIGHT APSW2
    4x/week
    WebsiteFleet: 13
    • Direct flight CCU → BKK4x/week
      Duration
      2h 40m
      Days
      MTWTFSS
    10.1%Open →
  • Bhutan AirlinesB3
    3x/week
    WebsiteFleet: 2
    • Direct flight CCU → BKK3x/week
      Duration
      2h 40m
      Days
      MTWTFSS
    7.3%Open →
  • Thai Lion AirSL
    3x/week
    WebsiteFleet: 184M pax/year
    • Direct flight CCU → DMK3x/week
      Duration
      2h 30m
      Days
      MTWTFSS
    7.3%Open →
  • Thai Vietjet AirVZ
    3x/week
    WebsiteFleet: 186.2M pax/year
    • Direct flight CCU → BKK3x/week
      Duration
      2h 30m
      Days
      MTWTFSS
    7.3%Open →
  • Hahn Air TechnologiesX1
    1x/week
    WebsiteFleet: 3
    • Direct flight CCU → BKK1x/week
    0.9%Open →
  • All Nippon AirwaysNH
    1x/week
    WebsiteFleet: 21648M pax/year
    • Direct flight CCU → BKK1x/week
      Days
      MTWTFSS
    0.9%Open →
  • Air CanadaAC
    1x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight CCU → BKK1x/week
      Days
      MTWTFSS
    0.9%Open →

Cities and airports on the Kolkata — Bangkok route

Flights Kolkata — Bangkok depart from Netaji Subhas Chandra Bose Airport and arrive at Suvarnabhumi Airport and Don Mueang International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Kolkata

CCU
India
About the cityHow to get thereWeatherAll about the country India
Arrival

Bangkok

BKK
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the Kolkata — Bangkok flight

How long is the flight from Kolkata to Bangkok?

A nonstop Kolkata — Bangkok flight takes about 2 h 30 min — the distance between the cities is around 1,612 km.

How far is it from Kolkata to Bangkok?

The distance from Kolkata to Bangkok is about 1,612 km, which a nonstop flight covers in around 2 h 30 min.

Are there direct flights from Kolkata to Bangkok?

Yes, there are nonstop flights Kolkata — Bangkok — around 109 flights per week.

Which airlines fly from Kolkata to Bangkok?

Airlines operating Kolkata — Bangkok include Indigo Air, Spice Jet, Thai Airways, Thai AirAsia, FLEX FLIGHT APS. See the full list with schedules in the "Airlines" section on this page.

Which airports do Kolkata — Bangkok flights use?

Flights from Kolkata depart from Netaji Subhas Chandra Bose Airport, and arrive at Suvarnabhumi Airport, Don Mueang International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Kolkata to Bangkok?

The price of a Kolkata — Bangkok ticket depends on your travel date, season and demand: it is usually cheapest to fly in February, and most expensive in May. Tickets typically cost between $75 and $173. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Kolkata — Bangkok?

Flights Kolkata — Bangkok are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is February. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Kolkata to Bangkok?

To catch a low fare Kolkata — Bangkok, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually February.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Kolkata

See all
DelhiMumbaiBengaluruChennaiGuwahatiAgartalaHyderabadPort BlairSiliguriBhubaneswarJaipurAhmedabadRanchiPatnaPuneRaipurDhakaImphalVaranasiVasco da GamaDibrugarhGuangzhouDubaiSingaporeShanghaiKuala LumpurSilcharLucknowPhuketGorakhpurAbu DhabiNagpurShillongKochiSuratGhaziabadVisakhapatnamHanoiHo Chi Minh CityDoha

Where else you can fly from Bangkok

See all
PhuketChiang MaiKoh SamuiSingaporeHong KongKuala LumpurHat YaiKrabiShanghaiSeoulTokyoTaipeiHo Chi Minh CityChiang RaiUdon ThaniGuangzhouHanoiSurat ThaniKhon KaenJakartaYangonManilaMumbaiShenzhenDelhiAbu DhabiChengduUbon RatchathaniNakhon Si ThammaratBeijingIstanbulDohaOsakaDa NangSiem ReapKunmingMacauVientianeDenpasarBengaluru

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