January 2026
651 fares
One way31
- Min
- ฿2,729
- Avg
- ฿4,708
Roundtrip620
- Min
- ฿5,850
- Avg
- ฿9,190
Best Time to Visit Kolkata
Compare the cheapest months to fly from Bangkok to Kolkata. One-way and roundtrip prices are shown as separate series.
One way from ฿2,729
Roundtrip from ฿5,777
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Month price intelligence
Min and average fares.
Month price intelligence
Min and average fares.
Lowest min
February 2026
105 fares
One way5
- Min
- ฿3,239
- Avg
- ฿4,140
Roundtrip100
- Min
- ฿6,359
- Avg
- ฿8,385
July 2026
199 fares
One way8
- Min
- ฿3,501
- Avg
- ฿5,469
Roundtrip191
- Min
- ฿6,545
- Avg
- ฿10,444
August 2026
651 fares
One way31
- Min
- ฿3,145
- Avg
- ฿3,729
Roundtrip620
- Min
- ฿6,167
- Avg
- ฿7,891
September 2026
555 fares
One way30
- Min
- ฿2,771
- Avg
- ฿3,491
Roundtrip525
- Min
- ฿5,777
- Avg
- ฿7,744
October 2026
651 fares
One way31
- Min
- ฿3,376
- Avg
- ฿4,536
Roundtrip620
- Min
- ฿6,862
- Avg
- ฿9,379
November 2026
630 fares
One way30
- Min
- ฿4,047
- Avg
- ฿4,635
Roundtrip600
- Min
- ฿7,850
- Avg
- ฿9,405
December 2026
651 fares
One way31
- Min
- ฿4,309
- Avg
- ฿4,926
Roundtrip620
- Min
- ฿8,302
- Avg
- ฿10,450
FAQ: Best Time to Visit Kolkata
What is the cheapest flight from Bangkok to Kolkata?
The cheapest flight we've found from Bangkok to Kolkata is ฿5,777. Prices change frequently, so check back often for the latest deals.
What is the average flight price from Bangkok to Kolkata?
The average price for flights from Bangkok to Kolkata is around ฿7,744. You can save up to 25% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Kolkata?
Based on current prices, September offers some of the best deals from Bangkok to Kolkata. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Kolkata?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Kolkata.
Quick Answers
What is a steal?
A steal is one of the lowest fares available for that destination and fare type. One-way and roundtrip baselines stay separate.
When is the cheapest month?
january 2026 currently starts at ฿2,729, the lowest fare among these months.
What should I compare?
Check the fare-type label, total price, relevant dates, airlines, stops, travel time and baggage before you choose.
Can prices change?
Yes. Confirm the final price and flight details before you pay.