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Cheap flights from Kolkata to Bangkok from ₹ 9,249

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — BKK
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Bangkok are usually found in January or February, booked 87 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Kolkata to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Kolkata to Bangkok
Explore the most affordable flight options available from Kolkata to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Sun 16/801:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Fri 28/822:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 16/7₹ 18,595
Fri 21/802:35
CCU
-
DMK
Nonstop2h 30m
Thai Lion Air
Sun 23/800:30
DMK
-
CCU
Nonstop2h 35m
Thai Lion Air
Deal found 16/7₹ 18,595
Wed 26/801:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Sun 6/922:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 17/7₹ 18,691
Sun 16/801:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Fri 21/822:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 16/7₹ 18,884
Sun 16/801:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Mon 24/822:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 16/7₹ 18,980
Wed 2/901:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Wed 9/922:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 16/7₹ 19,077
Fri 4/902:35
CCU
-
DMK
Nonstop2h 30m
Thai Lion Air
Wed 16/900:30
DMK
-
CCU
Nonstop2h 35m
Thai Lion Air
Deal found 17/7₹ 19,173
Mon 14/901:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Fri 18/922:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 15/7₹ 19,270
Wed 5/802:35
CCU
-
DMK
Nonstop2h 30m
Thai Lion Air
Sun 9/800:30
DMK
-
CCU
Nonstop2h 35m
Thai Lion Air
Deal found 14/7₹ 19,270
Mon 10/801:00
CCU
-
BKK
Nonstop2h 30m
Thai Vietjet Air
Mon 17/822:25
BKK
-
CCU
Nonstop2h 55m
Thai Vietjet Air
Deal found 14/7₹ 19,366
Fri 28/802:35
CCU
-
DMK
Nonstop2h 30m
Thai Lion Air
Sun 30/800:30
DMK
-
CCU
Nonstop2h 35m
Thai Lion Air
Deal found 14/7₹ 19,366
Sun 16/802:35
CCU
-
DMK
Nonstop2h 30m
Multiple Airlines
Fri 21/822:45
DMK
-
CCU
Nonstop2h 35m
Multiple Airlines
Deal found 15/7₹ 19,462

Find flight deals from Kolkata to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2026.

Round-trip from

₹ 18,595

One-way from

₹ 9,249

Popular in

June

Cheapest in

January

Average price

₹ 21,775
Thai Lion Air
  • Thai Lion Air
  • 21/8-23/8
  • Nonstop
  • 5h 05m total
  • Kolkata to Bangkok
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 9/8
  • Nonstop
  • 2h 30m total
  • Kolkata to Bangkok
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (₹ 295,439 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 42,355 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kolkata to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from Kolkata to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Tue 18/8

08:20-12:30

Nonstop2h 40m

Bangkok Suvarnabhumi

Tue 25/8

13:30-14:40

Nonstop2h 40m

₹ 25,918
Fastest return journey

KolkataBangkok

CCU - DMK

CCUDMK

Kolkata Netaji S. Chandra

Sun 10/1

00:30-04:30

Nonstop2h 30m

Bangkok Don Mueang Intl

Fri 15/1

22:45-23:55

Nonstop2h 40m

₹ 28,326

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Mon 12/10

01:00-05:00

Nonstop2h 30m

Bangkok Suvarnabhumi

Mon 19/10

22:25-23:50

Nonstop2h 55m

₹ 28,423

KolkataBangkok

CCU - DMK

CCUDMK

Kolkata Netaji S. Chandra

Sun 10/1

00:30-04:30

Nonstop2h 30m

Bangkok Don Mueang Intl

Sun 17/1

22:45-23:55

Nonstop2h 40m

₹ 31,602

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Sat 22/8

01:10-22:15

1 stop19h 35m

Bangkok Suvarnabhumi

Wed 26/8

13:20-00:10

1 stop12h 20m

₹ 32,951

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Mon 11/1

23:40-12:20

1 stop11h 10m

Bangkok Suvarnabhumi

Fri 15/1

09:35-22:25

1 stop14h 20m

₹ 34,203

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Mon 11/1

23:40-20:00

1 stop18h 50m

Bangkok Suvarnabhumi

Sun 17/1

20:00-22:25

1 stop27h 55m

₹ 34,203

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Sun 16/8

01:10-19:50

1 stop17h 10m

Bangkok Suvarnabhumi

Fri 21/8

20:50-00:10

1 stop28h 50m

₹ 34,492

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Wed 16/9

01:10-12:20

1 stop9h 40m

Bangkok Suvarnabhumi

Wed 23/9

20:50-00:10

1 stop28h 50m

₹ 34,589

KolkataBangkok

CCU - BKK

CCUBKK

Kolkata Netaji S. Chandra

Fri 14/8

01:10-12:20

1 stop9h 40m

Bangkok Suvarnabhumi

Sun 30/8

15:55-00:10

1 stop9h 45m

₹ 34,685

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Kolkata to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Kolkata with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Bangkok

What is the cheapest month to book a flight from Kolkata to Bangkok?

Currently, February is the cheapest month in which you can book a flight from Kolkata to Bangkok (average of ₹ 17,150). Flying from Kolkata to Bangkok in June is currently the most expensive (average of ₹ 24,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CCU to BKK?

Find hourly flight availability from Kolkata to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2026.

When flying from Kolkata to Bangkok, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight at midday.

Weekly flight availability from Kolkata to Bangkok

Explore weekly flight availability from Kolkata to Bangkok. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 July 2026.

The most flights from CCU to TH1 are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Kolkata to Bangkok?

How often are flights from Kolkata to Bangkok delayed?

About 12% of weekly flights between Kolkata and Bangkok have experienced delays in the past year, with the average delay time being 105 minutes.

What is the most punctual flight time for Kolkata to Bangkok flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Kolkata to Bangkok flights?

Over the past year, IndiGo have had the lowest number of delays on this route, with just 5% of flights being delayed.

How far ahead should I book a flight from Kolkata to Bangkok?

To ensure you get the cheapest price possible for a flight from Kolkata to Bangkok, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bangkok. Reviews last updated 18 July 2026.
Read through reviews of airlines operating flights from Kolkata to Bangkok, such as Thai Airways,Thai AirAsia, andThai Lion Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
409 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai AirAsia
7.4
Good
246 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Lion Air
7.0
Good
46 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
IndiGo
6.8
Okay
577 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Vietjet Air
6.7
Okay
126 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Boarding

7.9

Overall

7.9

Comfort

7.7

Entertainment

6.9

Crew

8.4

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kolkata to Bangkok?

    Kolkata Netaji S. Chandra (CCU), located 13.4 km from the city centre, is the airport you fly out of when you book flights from Kolkata to Bangkok. 9 airlines have flights from Netaji S. Chandra to Bangkok on a regular basis. Booking flights from Kolkata Netaji S. Chandra to Bangkok should not be difficult; the airport handles an average of 5 outbound flights to Bangkok per day.

  • How long is the flight from Kolkata to Bangkok?

    A quick flight from Kolkata to Bangkok can take about 2h 30m. Bhutan Airlines provides one of the quickest options available for as low as ₹ 28,326. The distance between Kolkata and Bangkok is about 1608 km. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Kolkata to Bangkok round-trip?

    Thai AirAsia, at ₹ 9,399, was found to be the cheapest airline from Kolkata to Bangkok.Alternate airlines to your destination round-trip include Thai Lion Air and Hahn Air. Users have found that Thai AirAsia is 53% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kolkata to Bangkok one-way?

    For one-way options, check prices for AirAsia. According to our data, you can fly for as low as ₹ 6,217. Users have also found prices from ₹ 6,445 and ₹ 6,569 on SpiceJet and Thai Lion Air, respectively.

  • What are the most reliable airlines from Kolkata to Bangkok?

    Consider IndiGo (97%), Bhutan Airlines (92%) or Air Canada (85%) when booking your flight. These represent the most reliable airlines when flying from Kolkata to Bangkok.

  • What are the cheapest flights from Kolkata to Bangkok?

    While on average a flight from Kolkata to Bangkok is generally ₹ 18,103, our data shows the cheapest flight currently is ₹ 7,993. When looking at the most popular route, (Kolkata Netaji S. Chandra - Bangkok Suvarnabhumi), you can expect to pay ₹ 21,196 for that flight.

  • Can I find deals for flights from Kolkata to Bangkok that include hotel bookings?

    Yes. In addition to deals on Kolkata to Bangkok flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kolkata to Bangkok?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to Bangkok.

  • Can I find deals for business class flights from Kolkata to Bangkok?

    Yes. Cheapflights offers flight deals from Kolkata to Bangkok by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kolkata to Bangkok?

    Currently, February is the cheapest month in which you can book a flight from Kolkata to Bangkok (average of ₹ 17,150). Flying from Kolkata to Bangkok in June is currently the most expensive (average of ₹ 24,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kolkata to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Kolkata to Suvarnabhumi flights
Kolkata to Don Mueang Intl flights
Kolkata to Phuket City flights
Kolkata to Ko Samui flights
Kolkata to Krabi flights

Top 9 airlines flying from Kolkata to Bangkok

Discover the top 9 airlines that operate flights from Kolkata to Bangkok. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest₹ 9,399Average₹ 18,367FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest₹ 9,806Average₹ 17,453FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Hahn AirCheapest₹ 11,449Average₹ 25,067FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Thai Vietjet AirCheapest₹ 13,641Average₹ 19,920FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
IndiGoCheapest₹ 15,242Average₹ 22,928FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
AirAsiaCheapest₹ 15,259Average₹ 21,315FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
SpiceJetCheapest₹ 16,678Average₹ 24,702FlexibilityNo cancel feeOn-time65%
Search SpiceJet flights
Bhutan AirlinesCheapest₹ 17,917Average₹ 28,296FlexibilityNo cancel feeOn-timeN/A
Search Bhutan Airlines flights
Thai AirwaysCheapest₹ 22,211Average₹ 27,598FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kolkata to Bangkok?

Deals for Kolkata to Bangkok flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kolkata to Bangkok?

Cheapflights helps you find that perfect flight to Bangkok from Kolkata by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Kolkata to Bangkok with no change fees?

Yes, we can. To see specific flights from Kolkata to Bangkok with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Kolkata to Bangkok become cheaper?

Of course! You can now track prices for flights from Kolkata to Bangkok and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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