Cheap Flights from Bangkok to Kolkata from S$ 126

Frequently Asked Questions

• Which airlines offer the cheapest flights from Bangkok to Kolkata?

  Based on Trip.com data, Thai Vietjet offers Cheapest nonstop one-way flights from S$ 126 (for example, BKK–CCU on Mon, Nov 9). For a Cheapest nonstop return flight, Thai AirAsia offers fares from S$ 213, departing on Mon, Oct 12 and returning on Wed, Oct 14.

• Which airlines offer direct flights from Bangkok to Kolkata?

  At the moment, you can catch a direct flight from Bangkok to Kolkata with the following airlines, including: Thai Airways Bhutan Airlines Thai Vietjet Thai AirAsia IndiGo Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Bangkok (BKK) to Kolkata (CCU)?

  It takes about 2 hours 40 minutes to fly from Bangkok (BKK) to Kolkata (CCU).

• When is the best time to book flights from Bangkok to Kolkata?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Kolkata is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Bangkok to Kolkata each week?

  On average, 18 direct flights operate each week between Bangkok and Kolkata. See below the schedules of the main airlines serving this route:
  Thai Airways: S/M/T/W/T/F/S – TG313 (departure at 00:11) Thai AirAsia: S/M/T/W/T/F/S – FD120 (departure at 22:48) IndiGo: S/M/T/W/T/F/S – 6E1058 (departure at 04:50)

• How can I find the best deals on flights from Bangkok to Kolkata?

  Here are some tips for finding the best flight deals from Bangkok to Kolkata on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Mon, Nov 9, with one-way fares from just S$ 126.
  · Compare airlines. Thai Vietjet currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to Kolkata.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Bangkok to Kolkata to get the best price?

  The cheapest month to book a flight from Bangkok to Kolkata is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from Bangkok to Kolkata?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Bangkok to Kolkata on October 19, 2026 with Thai Lion Air, with prices starting at S$ 134.

• Which airports should you choose for flights from Bangkok to Kolkata?

  Flights to Kolkata can arrive at: Netaji Subhash Chandra Bose International Airport (CCU). The most common route connects Suvarnabhumi Airport and Netaji Subhash Chandra Bose International Airport (BKK–CCU).

• What is the time difference between Bangkok and Kolkata?

  The time difference between Kolkata and Bangkok is 1h.

• How can I change or cancel my flight ticket from Bangkok to Kolkata?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Bangkok to Kolkata?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Bangkok to Kolkata is S$ 391. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Bangkok to Kolkata?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Bangkok to Kolkata is S$ 499. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Bangkok to Kolkata on Trip.com?

  Enter Bangkok and Kolkata, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Bangkok to Kolkata route?

  Thai Vietjet, Thai AirAsia and IndiGoare the most popular budget airlines flying from Bangkok to Kolkata. Check baggage, seat and payment fees before comparing the final price.