Cheap Flights from Kolkata to Bangkok

Travellers and cabin class

Compare Kolkata to Bangkok flight deals

Find the cheapest month or even day of the year to fly to Bangkok

Book the best Bangkok fare with no extra fees

Flight deals from Kolkata to Bangkok

Looking for a cheap last-minute deal or the best return flight from Kolkata to Bangkok? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kolkata to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kolkata to Bangkok flights are currently cheapest in August.

Direct flights from Kolkata to Bangkok

Alternative Kolkata to Bangkok routes

Looking for the cheapest, fastest or easiest route from Kolkata to Bangkok? You could fly into the following airports instead.

Kolkata to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundR 1,647
Cheapest month to flyAugust
Average flight time2 hrs, 35 mins
Most popular airlineBhutan Airlines
Average flights per week54

Finding cheap flights from Kolkata to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Kolkata to Bangkok is R 3,216. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 35 minutes is the average flight time from Kolkata to Bangkok.
Bhutan Airlines, IndiGo and Flexflight fly direct from Kolkata to Bangkok.
As of May 2025, there are 108 flights per week flying from Kolkata to Bangkok.
The cheapest month to fly from Kolkata to Bangkok is usually May 2025.
If you're flying from Kolkata Airport, the cheapest airport near Bangkok is Don Mueang – which is 21.5 km away from the centre of Bangkok. We've found flights into this airport from R 3,216.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to Bangkok on Saturday, 9 August 2025.
Yes – the average flight time is 2 hours and 35 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 30°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
Currently, Thai LionAir offers the cheapest flight tickets to Bangkok.

Flying from Netaji Subhas Chandra Bose Airport (CCU) to Bangkok: what you need to know

  • Approximately 2 hours 45 minutes is how long you can expect to be in the air on a direct flight from Netaji Subhas Chandra Bose Airport to Bangkok.

  • Bangkok is one hour 30 minutes ahead of Kolkata, where Netaji Subhas Chandra Bose Airport is located. Bangkok observes the UTC+7 timezone.

  • With 28 flights a week between the two airports, Netaji Subhas Chandra Bose Airport (CCU) to Suvarnabhumi Airport (BKK) is the most popular route. SpiceJet operates the earliest flight at 00:05. If you prefer to get more out of your day before flying, the last flight from CCU to BKK is with IndiGo at 23:30.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your CCU to Bangkok flight.

  • Longer lines at security and check-in are more likely if you're travelling during high season, so give yourself a bit more breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • You can book a direct Netaji Subhas Chandra Bose Airport to Bangkok ticket. Begin your journey at CCU and end it at Suvarnabhumi Airport (BKK).

  • Direct flights from Netaji Subhas Chandra Bose Airport to Bangkok are available from a good number of airlines. Book your seat with any of these:

  • Think about adding a stopover to potentially find a cheaper flight ticket from CCU to Bangkok. All you need to do is uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these connecting airports:

    • Indira Gandhi International Airport (DEL)

    • Kuala Lumpur International Airport (KUL)

    • Kempegowda International Airport (BLR)

  • Travelling from central Kolkata to CCU takes around 55 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 13 kilometres in 40 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Netaji Subhas Chandra Bose Airport to Bangkok? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near CCU:

  • When it comes to the on-time performance of Netaji Subhas Chandra Bose Airport, 75.9% of flights arrive within the scheduled time frame.

How to find the cheapest flights from Netaji Subhas Chandra Bose Airport (CCU) to Bangkok

  • The best price we've seen for a one-way Netaji Subhas Chandra Bose Airport to Bangkok flight is R 1,647. The cheapest price for a return flight is R 3,216. Keep in mind fares may change due to demand at the time of booking.

  • Score cheap flights from CCU to Bangkok by booking two months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • Schedule your trip for June. That's the best month for landing the biggest deals on Netaji Subhas Chandra Bose Airport to Bangkok tickets. If you have flexibility with your dates, use the 'Whole month' tool to access the cheapest price across each month.

  • Snapping up a cheap flight from CCU to Bangkok is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll notify you when a better deal is available.

  • Save money on your flight from Netaji Subhas Chandra Bose Airport to Bangkok with the help of our filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • Suvarnabhumi Airport (BKK) to the centre of Bangkok takes about 35 minutes by car. The centre is roughly 32 kilometres away.

  • Travelling by public transport will take you around 1 hour 5 minutes.

  • If you're coming in on a late flight from Netaji Subhas Chandra Bose Airport to Bangkok, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these hotels near BKK:

  • Pick up a Suvarnabhumi Airport rental car and explore Bangkok and beyond with your own wheels. Chic Car Rent, asap car hire and Hertz are leading providers you can book with here.

  • Lock in the best possible rate by reserving your vehicle from Suvarnabhumi Airport around four weeks before your flight from CCU to Bangkok.

Don Mueang International Airport (DMK)

  • Don Mueang International Airport (DMK) is roughly 27 kilometres from the centre of Bangkok. Once you've disembarked your flight from Netaji Subhas Chandra Bose Airport to Bangkok, it'll take you around 30 minutes to reach the heart of the city in a cab or ride-share.

  • The journey will take roughly 1 hour 5 minutes on public transport.

  • You'll find some comfortable places ready to welcome you near DMK. Kick back and get cosy after your CCU to Bangkok flight at one of these perfectly located options:

  • Forget about public transport schedules or waiting forever for a cab. Pick up a Don Mueang International Airport rental car and take your trip in whatever direction you choose. Compare availability and rates from Chic Car Rent, asap car hire and Hertz.

  • Secure your first choice, not your last resort. Booking your ride from DMK three weeks ahead of time often means lower prices and a greater range of vehicles.

Best time to go to Bangkok

  • Plan your trip to Bangkok during peak season if you prefer a busy atmosphere, but remember that prices may be higher. Alternatively, book your flights from Netaji Subhas Chandra Bose Airport to Bangkok during low season when prices are cheaper and it's quieter.

  • When booking your Netaji Subhas Chandra Bose Airport to Bangkok flight ticket, think about the kind of weather forecast you're hoping for. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • If you want cooler conditions, look for a cheap ticket from CCU to Bangkok in December when temperatures average between 19ºC (66ºF) and 33ºC (91ºF).

More about Bangkok

  • Start your Bangkok trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Netaji Subhas Chandra Bose Airport to Bangkok, browse our range of accommodation options including:

  • Wat Arun and Grand Palace are just the start of the big attractions to add to your Bangkok to-do list. Keep the momentum going by heading to Wat Phra Kaew.

Explore more of Thailand

  • You've done Bangkok, now it's time to discover other parts of Thailand. Journey about 467 kilometres north-east to Udon Thani to check off its leading sights. From Nong Prajak Public Park to Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor, there's plenty to keep you busy.

  • If you're eager to discover another well-known destination in Thailand, consider Nakhon Ratchasima, roughly 225 kilometres north-east of Bangkok. Art and Culture Centre, Vongchavalitkul University, Wat Pa Salwan (Burapha Chan Chedi) and บ้านสวนเกษตรอินทรีย์ (บ้านสวนในซอย) are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.