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Flights from Bangkok to Kolkata

Airlines Flying from Bangkok to Kolkata

Choose from 5 carriers that fly from Bangkok to Kolkata, including Thai AirAsia, IndiGo, and FlexFlight. Enjoy the cheapest tickets on this route with Thai Lion Air.

Flight deals from Bangkok to Kolkata

Find direct flights from Bangkok to Kolkata within the next three months. Book one-way flights from HK$604 or return tickets from HK$1,104.

Deals on upcoming return flights from Bangkok to Kolkata

Deals on upcoming one-way flights from Bangkok to Kolkata

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Flight Information from Bangkok to Kolkata

The distance between Bangkok and Kolkata is about 1,612.56km. It takes around 2 hours 38 minutes on average to fly from Bangkok to Kolkata. The most popular month to Kolkata is March. The off-season for travel is April.

Cheapest one-way flight priceHK$604
Cheapest return ticket priceHK$1,104
Off-season travel monthApril
Peak season for travelMarch
Flight distance1,612.56km
Average flight time2 hours 38 minutes
Popular airlineThai AirAsia

Find the best time to fly from Bangkok to Kolkata

The cheapest time for Bangkok to Kolkata flights: Nov 23 to Nov 30 — one way flight prices from HK$543.

Cheapest flights
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  • Oct

    285
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  • Nov

    262
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • What are the cheapest flights from Bangkok to Kolkata (BKK-CCU)?

    Based on Trip.com data, Thai Lion Air offers one-way fares as low as HK$604 on Cheapest nonstop routes (e.g. DMK to CCU on Thu, Oct 23), while Thai Lion Air offers Cheapest nonstop round-trips from HK$1,104 departing on Thu, Sep 18 and returning on Mon, Sep 22.
  • At the moment, you can catch a direct flight from Bangkok to Kolkata with the following airlines, including: Thai AirAsia Thai Airways IndiGo FlexFlight Thai Lion Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 38 minutes to fly from Bangkok (BKK) to Kolkata (CCU).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 17 flight per week flying from Bangkok to Kolkata. You can check the weekly schedule for popular airlines on this route below: Thai AirAsia: S/M/T/W/T/F/S -- FD120 (22:59) FlexFlight: S/M/T/W/-/F/S -- W2521 (06:51)
  • To find best deals on flights from Bangkok to Kolkata, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Oct 23, with one-way flights priced at just HK$604.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Lion Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Kolkata travel is around March.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bangkok to Kolkata is April, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Bangkok to Kolkata on September 27, 2025 with Thai Lion Air, with prices starting at HK$502.
  • You can land at any one of the following hubs in Kolkata, with Don Mueang International Airport to Netaji Subhas Chandra Bose International Airport (DMK-CCU) is by far the most common option on this route: Netaji Subhas Chandra Bose International Airport (CCU).
  • The time difference between Kolkata and Bangkok is 1h.
  • 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.

How to find a cheap flight from Bangkok to Kolkata

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Bangkok to Kolkata. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from Bangkok to Kolkata.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Bangkok to Kolkata over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Oct 23, with one-way flights priced at just HK$604.
2
Compare cheap flight deals from Bangkok to Kolkata across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Bangkok to Kolkata. The cheapest airline for this route is Thai Lion Air.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Bangkok to Kolkata, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Bangkok to Kolkata.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Bangkok to Kolkata and snag some exclusive deals just for you.