Cheap flights from Kolkata to Bangkok from ₹ 8,735

If you’re not able to fly to Bangkok Suvarnabhumi Airport in March, then January is your next best option. Flight prices from Kolkata to Bangkok Suvarnabhumi Airport during January average around ₹ 17,565.

According to our data, Monday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Kolkata. The lowest ticket price found for a Monday departure recently was ₹ 21,484. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Wednesday is ₹ 32,057.

In the evening is the cheapest time of day to fly from Kolkata to Bangkok Suvarnabhumi Airport when you can find flight prices for as low as ₹ 21,795. Flying to Bangkok Suvarnabhumi Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are ₹ 28,361 on average. Flights to Bangkok Suvarnabhumi Airport from Kolkata in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 ₹ 20,706 when searching weeks before you fly. 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 ₹ 18,420 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.

You could potentially save up to 7% on your flight if you consider stops on a Kolkata to Bangkok Suvarnabhumi Airport flight.

As of September 2026, prices for Kolkata to Bangkok Suvarnabhumi Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

Thai Vietjet Air is the most popular carrier 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 37% of people opting to fly with this airline when travelling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 9 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 114 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

The number of flights available between Kolkata and Bangkok Suvarnabhumi Airport is 5 per day as of September 2026. The most frequent departure time is 02:00, with 70% of daily flights leaving in the morning.

The number of flights available between Kolkata and Bangkok Suvarnabhumi Airport is 36 per week as of September 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.