Cheap flights from Kolkata to Thailand from ₹ 7,944

In general, August is the cheapest month to fly from Kolkata to Thailand. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 4,020. If you aren’t able to travel to Thailand during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of ₹ 6,700.

The cheapest day to depart from Kolkata to Thailand is on a Monday when prices can be found for as low as ₹ 23,017. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Thailand on Friday is ₹ 27,762.

Our data shows that the cheapest Kolkata to Thailand flights are usually those with departure times in the evening. Our users have found flights to Thailand in the evening for as low as ₹ 20,230. Flights to Thailand are more costly in the morning, with an average ticket price of ₹ 25,973. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Thailand from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around ₹ 18,862 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Kolkata for as low as ₹ 16,558 on momondo.

Thai Lion Air, IndiGo, and China Eastern are the most popular carriers operating from Kolkata Netaji S. Chandra to Thailand

Thai AirAsia, Thai Lion Air and IndiGo are the top three most popular airlines that fly to Thailand from Kolkata according to our data. Thai AirAsia is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Thailand. Keep in mind that there are 10 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Kolkata and Thailand have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

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

As of May 2026, there are 7 flights per day flying from Kolkata to Thailand. The most common time of day flights depart is 02:00, with 60% of flights taking off in the morning.

As of May 2026, 49 flights take off from Kolkata and land in Thailand each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.