Find cheap flight tickets from Kolkata to Bangkok – Compare and Save

These are the earliest and latest flight times available from Kolkata to Bangkok:

• Earliest: departs at 00:05 and lands at 02:41
• Latest: departs at 23:30 and lands at 02:06.

The flight takes about 2h 36m.

Two cabin classes are available on flights from Kolkata to Bangkok:

• Economy class
• Business Class

A direct flight from Kolkata to Bangkok takes 2h 36m, covering 2,595 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Kolkata to Bangkok range from ₹ 17,536 to ₹ 26,676, with an average of ₹ 21,196 over the past 12 months. Anything below ₹ 17,536 counts as a good deal.

Last-minute fares on this route (booked within 2 weeks of departure) run 20% above the route average of ₹ 21,196. Book 26 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ₹ 18,290 return via Kuala Lumpur Intl (KUL), compared with ₹ 21,179 for direct.

IndiGo is slightly above the route average for timely arrivals, while AirAsia has a lower on-time arrival rate. On-time arrival rates on Kolkata to Bangkok flights are:

• IndiGo: 97% on time
• AirAsia: 89% on time
• Thai Airways: 88% on time

On average, flights on this route are punctual 89% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ₹ 575–₹ 9,595 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Night is the busiest departure period on Kolkata to Bangkok flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Evening flights for 0%.

Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ₹ 1,288:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ₹ 651:

• Drive Car Rental
• Alamo
• Thai Rent
• Enterprise Rent-A-Car
• Chic Car Rent

Flights from Kolkata to Bangkok usually depart from Kolkata Netaji S. Chandra (CCU) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Kolkata to Bangkok route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 42 minutes.

One-stop flights from Kolkata to Bangkok most commonly connect through:

• Singapore Changi (SIN) – 55% of one-stop connections
• Kuala Lumpur Intl (KUL) – 36% of one-stop connections
• Chennai (MAA) – 9% of one-stop connections

Singapore Changi (SIN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the Kolkata to Bangkok route. Monday is the cheapest departure day at ₹ 20,822 return on average, while Friday is the most expensive at ₹ 23,989, a difference of ₹ 3,167. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

7 airlines operate flights between Kolkata and Bangkok. The airlines offering direct flights on this route include:

• Thai Airways
• Thai AirAsia
• IndiGo
• Bhutan Airlines
• SpiceJet
• Thai Vietjet Air

Flying via Kuala Lumpur Intl (KUL) gives the shortest average 1-stop total travel time of 9h 30m, compared to 10h 27m via Singapore Changi (SIN) and 11h 09m via Chennai (MAA).

Bangkok is 1 hour ahead of Kolkata (Indochina Time vs India Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Bangkok are Pratunam, Thailand Cultural Center, and Queen Sirikit National Convention Center. These are among the most viewed places in Bangkok on KAYAK.

Among airlines operating Kolkata to Bangkok flights:

• Thai Vietjet Air: offers free seat selection
• Thai Lion Air: offers free seat selection
• Thai AirAsia: offers free seat selection
• Thai Airways: offers free seat selection
• Bhutan Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai Vietjet Air: a cabin bag and a checked bag in Economy class
• Thai Lion Air: a cabin bag and a checked bag in Economy class
• Thai AirAsia: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.