Cheap flights from Kolkata to Bangkok from $103

The month of February is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Kolkata, with most prices found around $180. The month of January is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Kolkata averaging around $182.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Tuesday when prices can be found for as low as $230. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Kolkata because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $469.

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. Flights from Kolkata to Bangkok Suvarnabhumi Airport during this time can be as low as $250. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $298 per ticket.

Fly from Kolkata Netaji S. Chandra to Bangkok Suvarnabhumi for the best Kolkata Netaji S. Chandra - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $214 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Kolkata for as low as $177 on momondo.

There are 2 cabin classes available to choose from on Kolkata to Bangkok Suvarnabhumi Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Thai Vietjet Air, Bhutan Airlines, and Singapore Airlines are the most popular carriers operating from Kolkata Netaji S. Chandra to Bangkok Suvarnabhumi

Thai Vietjet Air, Thai AirAsia and Thai Lion Air are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Kolkata according to our data. Thai Vietjet Air is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 4 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Kolkata and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, IndiGo have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

5 flights are operational daily from Kolkata to Bangkok Suvarnabhumi Airport as of August 2026. The most popular departure time for this route is 2:00AM, with 65% of flights per day taking off in the morning.

As of August 2026, there are 39 flights per week flying from Kolkata to Bangkok Suvarnabhumi Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.