Cheap flights from Kolkata to Southeast Asia from $113

The month of August is, on average, the cheapest month to fly to Southeast Asia from Kolkata, with most prices found around $42. If you don’t want to visit Southeast Asia in August, then you should wait until July to fly from Kolkata, when ticket prices are also cheap, with an average price of $52.

The cheapest day to depart from Kolkata to Southeast Asia is on a Tuesday when prices can be found for as low as $238. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $371. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

In the evening is the cheapest time of day to fly from Kolkata to Southeast Asia when you can find flight prices for as low as $227. Flying to Southeast Asia in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $294. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Southeast Asia from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $205 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Kolkata for as low as $177 on momondo.

There are 3 cabin classes available to choose from on Kolkata to Southeast Asia 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 Malaysia Airlines are the most popular carriers operating from Kolkata Netaji S. Chandra to Southeast Asia

IndiGo, Thai AirAsia and Singapore Airlines are the top three most popular airlines that fly to Southeast Asia from Kolkata according to our data. IndiGo is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 7 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Kolkata and Southeast Asia is 12 per day as of June 2026. The most frequent departure time is 2:00AM, with 50% of daily flights leaving in the evening.

As of June 2026, 89 flights take off from Kolkata and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.