Cheap flights from Bangkok Suvarnabhumi Airport to Kolkata from $114

The month of April is, on average, the cheapest month to fly to Kolkata from Bangkok Suvarnabhumi Airport, with most prices found around $164. If you aren’t able to travel during the month of April, then book flights to Kolkata from Bangkok Suvarnabhumi Airport during March instead. Flights to Kolkata in March, while not as cheap as those in April, still average around $172.

On average, the least expensive day to fly to Kolkata from Bangkok Suvarnabhumi Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $164. However, this price may fluctuate depending on the airline, the season, and holidays. 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 Kolkata on Friday is $404.

In the evening is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to Kolkata when you can find flight prices for as low as $186. Flying to Kolkata in the evening is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly in the morning, with an average ticket price of $503. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

As of July 2026, prices for Bangkok Suvarnabhumi Airport to Kolkata flights are approximately 16% cheaper when compared to flights at the same time last year.

Historically, on average around 12% of flights between Bangkok and Kolkata have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night 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, Bhutan Airlines 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.

As of July 2026, there are 5 flights per day flying from Bangkok Suvarnabhumi Airport to Kolkata. The most common time of day flights depart is 11:00PM, with 70% of flights taking off in the evening.

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