How long is the flight from Thailand to Kolkata?

Departing from Thailand to Kolkata will take you 2h 35m. The distance between Thailand and Kolkata is about 1608 km. All flights are typically direct.

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

฿2,256 is the cheapest one-way deal found within the past few days, from Thai Vietjet Air. You may also be able to find cheap deals on Thai Lion Air and Thai AirAsia, with prices starting from ฿2,476 and ฿3,247, respectively.

In terms of precipitation, rainfall in Kolkata ranges from 7.0 - 356.0 inches per month. August is typically the wettest month, when rainfall can reach 356.0 mm. December is typically the driest time to visit Kolkata when rainfall is around 7.0 mm.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

What are the cheapest flights from Thailand to Kolkata?

Looking at all options, your cheapest flight can be booked for ฿3,089. While the most popular route (Bangkok Suvarnabhumi - Kolkata Netaji S. Chandra) can be booked for ฿8,681 on average, our data indicates ฿9,831 when flying from Thailand to Kolkata.

What are the most reliable airlines from Thailand to Kolkata?

Consider IndiGo (98%), Bhutan Airlines (95%) or Thai Vietjet Air (76%) when booking your flight. These represent the most reliable airlines when flying from Thailand to Kolkata.

What airport do you fly into for flights to Kolkata from Thailand?

If you book a flight to Kolkata from Thailand, you will be flying to Netaji S. Chandra, which is the city’s only airport. Kolkata Netaji S. Chandra (CCU) is located 13.4 km from the centre of Kolkata.

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

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

How can I find direct flights from Thailand to Kolkata?

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

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

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

฿3,380+ Cheap Flights from Thailand to Kolkata

Cheap flight deals from Thailand to Kolkata

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Thailand to Kolkata
Explore the most affordable flight options available from Thailand to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Wed 2/922:25 -

Nonstop2h 55m

Mon 5/1001:00 -

Nonstop2h 30m

Deal found 30/8฿6,660

Mon 19/1022:25 -

Nonstop2h 55m

Fri 30/1000:50 -

Nonstop2h 35m

Deal found 27/8฿7,488

Fri 9/1022:25 -

Nonstop2h 55m

Mon 12/1001:00 -

Nonstop2h 30m

Deal found 26/8฿7,654

Sun 18/1000:30 -

Nonstop2h 35m

Fri 30/1002:35 -

Nonstop2h 30m

Deal found 27/8฿7,753

Mon 16/1100:30 -

Nonstop2h 35m

Mon 23/1102:35 -

Nonstop2h 30m

Deal found 26/8฿7,919

Fri 2/1022:25 -

Nonstop2h 55m

Fri 23/1001:00 -

Nonstop2h 30m

Deal found 27/8฿8,085

Mon 14/922:25 -

Nonstop2h 55m

Wed 14/1001:00 -

Nonstop2h 30m

Deal found 29/8฿8,118

Sun 20/922:25 -

Nonstop2h 55m

Wed 30/901:00 -

Nonstop2h 30m

Deal found 29/8฿8,317

Mon 31/822:25 -

Nonstop2h 55m

Sun 6/901:00 -

Nonstop2h 30m

Deal found 26/8฿8,383

Wed 30/900:30 -

Nonstop2h 35m

Fri 23/1002:35 -

Nonstop2h 30m

Deal found 27/8฿8,416

Fri 4/1222:30 -

Nonstop2h 50m

Mon 7/1200:50 -

Nonstop2h 35m

Deal found 30/8฿8,449

Fri 2/1000:30 -

Nonstop2h 35m

Fri 23/1002:35 -

Nonstop2h 30m

Deal found 27/8฿8,449

Best flights from Thailand to Kolkata
Discover carefully curated flight deals from Thailand to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Mon 16/1100:30 -

Nonstop2h 35m

Mon 23/1102:35 -

Nonstop2h 30m

Deal found 26/8฿7,919

Wed 2/1223:35 -

Nonstop2h 35m

Tue 8/1201:55 -

Nonstop2h 25m

Deal found 26/8฿8,582

Mon 14/922:45 -

Nonstop2h 35m

Wed 14/1002:35 -

Nonstop2h 30m

Deal found 29/8฿9,874

Fri 4/1222:45 -

Nonstop2h 40m

Mon 7/1200:30 -

Nonstop2h 30m

Deal found 30/8฿10,271

Tue 20/1004:15 -

1 stop19h 10m

Sat 24/1000:25 -

Nonstop2h 40m

Deal found 31/8฿12,028

Mon 16/1111:10 -

1 stop13h 30m

Tue 8/1200:10 -

1 stop16h 00m

Deal found 28/8฿16,302

Wed 30/1223:35 -

Nonstop2h 35m

Sat 2/117:30 -

Nonstop2h 25m

Deal found 28/8฿9,576

Fri 25/907:30 -

1 stop12h 35m

Sun 27/911:55 -

Nonstop2h 40m

Deal found 30/8฿9,940

Mon 19/1003:05 -

1 stop16h 00m

Sun 25/1018:35 -

1 stop11h 45m

Deal found 31/8฿21,139

Mon 7/1223:35 -

Nonstop2h 35m

Sat 12/1201:55 -

Nonstop2h 25m

Deal found 31/8฿9,907

Fri 9/1022:45 -

Nonstop2h 35m

Wed 18/1100:30 -

Nonstop2h 30m

Deal found 29/8฿11,895

Mon 12/1020:20 -

1 stop14h 55m

Sun 18/1001:10 -

1 stop9h 40m

Deal found 28/8฿11,365

Mon 7/1222:45 -

Nonstop2h 40m

Sat 12/1200:30 -

Nonstop2h 30m

Deal found 31/8฿12,624

Sat 30/115:10 -

Nonstop2h 35m

Thu 25/219:30 -

1 stop12h 10m

Deal found 29/8฿11,961

Wed 30/1208:55 -

1 stop17h 00m

Fri 1/101:25 -

1 stop17h 15m

Deal found 28/8฿32,173

Fri 9/1006:50 -

1 stop8h 35m

Thu 19/1107:00 -

1 stop9h 25m

Deal found 29/8฿12,988

Thu 10/1208:50 -

1 stop10h 15m

Wed 16/1202:35 -

Nonstop2h 30m

Deal found 26/8฿13,651

Sun 4/1011:05 -

1 stop13h 50m

Mon 19/1000:40 -

1 stop11h 15m

Deal found 27/8฿21,272

Wed 7/1018:55 -

1 stop24h 10m

Sun 18/1018:35 -

1 stop11h 45m

Deal found 27/8฿21,570

Wed 30/1218:45 -

1 stop24h 20m

Fri 1/102:35 -

Nonstop2h 30m

Deal found 28/8฿14,612

Fri 2/1019:45 -

1 stop29h 10m

Tue 20/1000:40 -

1 stop16h 45m

Deal found 27/8฿21,437

Mon 5/1003:05 -

1 stop16h 00m

Sun 18/1018:35 -

1 stop6h 20m

Deal found 27/8฿22,796

Wed 14/1008:00 -

1 stop7h 25m

Wed 21/1023:05 -

2 stops15h 10m

Deal found 30/8฿15,970

Find flight deals from Thailand to Kolkata

Round-trip from	฿6,494
One-way from	฿3,380
Popular in	June
Cheapest in	March
Average price	฿9,211
Good round-trip deal	฿7,240 or less
Good one-way deal	฿4,922 or less

Thai Lion Air
29/1-26/2
Nonstop
5h 05m total
Thailand to Kolkata

Search Deals

Thai Vietjet Air
5/10
Nonstop
2h 55m total
Thailand to Kolkata

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (฿65,584 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (฿14,765 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Thailand to Kolkata Netaji S. Chandra.

Search Deals

Price to beat on a one-way flight from Thailand to Kolkata Netaji S. Chandra.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokKolkata

DMK Bangkok Don Mueang Intl - CCU Kolkata Netaji S. Chandra

DMKCCU

Bangkok Don Mueang Intl

Mon 16/11

00:30-01:35

Nonstop2h 35m

Kolkata Netaji S. Chandra

Mon 23/11

02:35-06:35

Nonstop2h 30m

฿7,919

Fastest return journey

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Wed 2/12

23:35-00:40

Nonstop2h 35m

Kolkata Netaji S. Chandra

Tue 8/12

01:55-05:50

Nonstop2h 25m

฿8,582

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Wed 30/12

23:35-00:40

Nonstop2h 35m

Kolkata Netaji S. Chandra

Sat 2/1

17:30-21:25

Nonstop2h 25m

฿9,576

BangkokKolkata

DMK Bangkok Don Mueang Intl - CCU Kolkata Netaji S. Chandra

DMKCCU

Bangkok Don Mueang Intl

Mon 14/9

22:45-23:50

Nonstop2h 35m

Kolkata Netaji S. Chandra

Wed 14/10

02:35-06:35

Nonstop2h 30m

฿9,874

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Mon 7/12

23:35-00:40

Nonstop2h 35m

Kolkata Netaji S. Chandra

Sat 12/12

01:55-05:50

Nonstop2h 25m

฿9,907

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Fri 25/9

07:30-18:35

1 stop12h 35m

Kolkata Netaji S. Chandra

Sun 27/9

11:55-16:05

Nonstop2h 40m

฿9,940

BangkokKolkata

DMK Bangkok Don Mueang Intl - CCU Kolkata Netaji S. Chandra

DMKCCU

Bangkok Don Mueang Intl

Fri 4/12

22:45-23:55

Nonstop2h 40m

Kolkata Netaji S. Chandra

Mon 7/12

00:30-04:30

Nonstop2h 30m

฿10,271

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Mon 12/10

20:20-09:45

1 stop14h 55m

Kolkata Netaji S. Chandra

Sun 18/10

01:10-12:20

1 stop9h 40m

฿11,365

BangkokKolkata

DMK Bangkok Don Mueang Intl - CCU Kolkata Netaji S. Chandra

DMKCCU

Bangkok Don Mueang Intl

Fri 9/10

22:45-23:50

Nonstop2h 35m

Kolkata Netaji S. Chandra

Wed 18/11

00:30-04:30

Nonstop2h 30m

฿11,895

BangkokKolkata

BKK Bangkok Suvarnabhumi - CCU Kolkata Netaji S. Chandra

BKKCCU

Bangkok Suvarnabhumi

Sat 30/1

15:10-16:15

Nonstop2h 35m

Kolkata Netaji S. Chandra

Thu 25/2

19:30-09:10

1 stop12h 10m

฿11,961

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 44 resultsSorted by cheapest first

...

Best time to book a flight from Thailand to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Thailand with our price prediction graph.

BKK-CCU

DMK-CCU

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 Thailand to Kolkata

TH0-CCU

BKK-CCU

DMK-CCU

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

Currently, March is the cheapest month in which you can book a flight from Thailand to Kolkata (average of ฿5,699). Flying from Thailand to Kolkata in June is currently the most expensive (average of ฿12,922). 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 TH to CCU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thailand to Kolkata as you normally would.

Weekly flight availability from Thailand to Kolkata

The most flights from TH0 to CCU are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Thailand to Kolkata delayed?

About 12% of weekly flights between Thailand and Kolkata have experienced delays in the past year, with the average delay time being 106 minutes.

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

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

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

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

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

Over the past year, IndiGo have had the lowest number of delays on this route, with just 4% of flights being delayed.

Reviews of airlines servicing Kolkata

See what other customers who have flown with Thai AirAsia and Thai Lion Air from Thailand to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai AirAsia

7.4

Good

247 reviews

Check prices

Reviews

1 / 5

8.0

Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Thai AirAsia

7.4

Good

247 reviews

Thai AirAsia

7.4

Good

247 reviews

Check prices

Reviews

1 / 5

8.0

Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Thai Lion Air

7.0

Good

46 reviews

Thai AirAsia

7.4

Good

247 reviews

Check prices

Reviews

1 / 5

8.0

Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Related info for your journey

What airport do you fly into for flights to Kolkata from Thailand?
If you book a flight to Kolkata from Thailand, you will be flying to Netaji S. Chandra, which is the city’s only airport. Kolkata Netaji S. Chandra (CCU) is located 13.4 km from the centre of Kolkata.
How long is the flight from Thailand to Kolkata?
Departing from Thailand to Kolkata will take you 2h 35m. The distance between Thailand and Kolkata is about 1608 km. All flights are typically direct.
What are the cheapest airlines to fly from Thailand to Kolkata one-way?
฿2,256 is the cheapest one-way deal found within the past few days, from Thai Vietjet Air. You may also be able to find cheap deals on Thai Lion Air and Thai AirAsia, with prices starting from ฿2,476 and ฿3,247, respectively.
What are the most reliable airlines from Thailand to Kolkata?
Consider IndiGo (98%), Bhutan Airlines (95%) or Thai Vietjet Air (76%) when booking your flight. These represent the most reliable airlines when flying from Thailand to Kolkata.
What are the cheapest flights from Thailand to Kolkata?
Looking at all options, your cheapest flight can be booked for ฿3,089. While the most popular route (Bangkok Suvarnabhumi - Kolkata Netaji S. Chandra) can be booked for ฿8,681 on average, our data indicates ฿9,831 when flying from Thailand to Kolkata.
Can I find deals for flights from Thailand to Kolkata that include hotel bookings?
Yes. In addition to deals on Thailand to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Thailand to Kolkata?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Kolkata.
Can I find deals for business class flights from Thailand to Kolkata?
Yes. Cheapflights offers flight deals from Thailand to Kolkata 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 Thailand to Kolkata?
Currently, March is the cheapest month in which you can book a flight from Thailand to Kolkata (average of ฿5,699). Flying from Thailand to Kolkata in June is currently the most expensive (average of ฿12,922). 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.

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Top 2 airlines flying from Thailand to Kolkata

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia	Cheapest฿3,367	Average฿8,118	FlexibilityNo cancel fee	On-time87%	Search Thai AirAsia flights
Thai Lion Air	Cheapest฿4,454	Average฿7,101	FlexibilityNo cancel fee	On-timeN/A	Search Thai Lion Air flights

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

Cheapflights helps you search for flights from Thailand to Kolkata via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kolkata from Thailand.

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

Certainly. Search results for flights to Kolkata from Thailand shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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Cheap flights from Thailand to Kolkata from ฿3,380

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Thailand to Kolkata

Cheapest flights from Thailand to KolkataExplore the most affordable flight options available from Thailand to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Explore the most affordable flight options available from Thailand to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Thailand to KolkataDiscover carefully curated flight deals from Thailand to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Discover carefully curated flight deals from Thailand to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from Thailand to KolkataExplore direct flight options from Thailand to Kolkata based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Explore direct flight options from Thailand to Kolkata based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from Thailand to KolkataDiscover last-minute flight deals from Thailand to Kolkata. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Thailand to Kolkata. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Thailand to KolkataSearch for one-way flight options from Thailand to Kolkata. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from Thailand to Kolkata. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Thailand to Kolkata

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Popular in

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Use the filters below to find and compare flights from Thailand to Kolkata that are best for you.

Best time to book a flight from Thailand to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Thailand with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Thailand to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thailand to Kolkata as you normally would.

Weekly flight availability from Thailand to Kolkata

Explore weekly flight availability from Thailand to Kolkata. 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 31 August 2026.

The most flights from TH0 to CCU are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Thailand to Kolkata delayed?

About 12% of weekly flights between Thailand and Kolkata have experienced delays in the past year, with the average delay time being 106 minutes.

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

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

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

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

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

Over the past year, IndiGo have had the lowest number of delays on this route, with just 4% of flights being delayed.

Reviews of airlines servicing Kolkata

See what other customers who have flown with Thai AirAsia and Thai Lion Air from Thailand to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Kolkata from Thailand?

How long is the flight from Thailand to Kolkata?

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

What are the most reliable airlines from Thailand to Kolkata?

What are the cheapest flights from Thailand to Kolkata?

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

How can I find direct flights from Thailand to Kolkata?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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Find flights from Thailand to Kolkata, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Thailand and Kolkata flights

Browse other Thailand and Kolkata flight options. Last updated on 31 August 2026.

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Top 2 airlines flying from Thailand to Kolkata

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Cheapest flights from Thailand to Kolkata
Explore the most affordable flight options available from Thailand to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Thailand to Kolkata
Discover carefully curated flight deals from Thailand to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from Thailand to Kolkata
Explore direct flight options from Thailand to Kolkata based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from Thailand to Kolkata
Discover last-minute flight deals from Thailand to Kolkata. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Thailand to Kolkata
Search for one-way flight options from Thailand to Kolkata. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.