Kolkata to Bangkok flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Kolkata to Bangkok is €76 with Thai Vietjet Air (checked on 5 Nov 2026).
Your next trip, last seen at €76

When to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 4 Jan€114
- 5 Jan€125
- 6 Jan€134
- 7 Jan€134
- 8 Jan€132
- 9 Jan€137
- 10 Jan€137
- 11 Jan€137
- 12 Jan€137
- 13 Jan€247
- 14 Jan€123
- 15 Jan€123
- 16 Jan€107
- 17 Jan€123
- 18 Jan€123
- 19 Jan€123
- 21 Jan€122
- 22 Jan€122
- 23 Jan€122
- 24 Jan€122
- 25 Jan€122
- 26 Jan€104
- 27 Jan€137
- 28 Jan€94
- Lowest observed
- €76, departing 30 Jan 2027 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 79Check live prices for this route
- Round trip
- €207, departing 14 Jan 2027, back 18 Jan 2027 (Last checked: 14 Nov 2026)
- Non-stop, one way
- €76, departing 30 Jan 2027 (Last checked: 6 Nov 2026)
- Airlines seen
- IndiGo, Bhutan Airlines, Thai AirAsia, SpiceJet, Thai Lion Air, Thai Airways, Thai Vietjet Air, Hahn Air Technologies, Biman Bangladesh, US-Bangla Airlines (10)
- Fastest observed flight time
- 2h 25m
- Non-stop
- Yes
About this route
Explore the fares we observed from Kolkata to Bangkok. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,613 km
- Fastest observed flight time
- 2h 25m
- Airlines seen
- IndiGo, Bhutan Airlines, Thai AirAsia, SpiceJet, Thai Lion Air, Thai Airways, Thai Vietjet Air, Hahn Air Technologies, Biman Bangladesh, US-Bangla Airlines (10)
- Alternative airports
- DMK
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Thai Vietjet Air | 57 / 133 |
| Thai AirAsia | 56 / 133 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Netaji Subhash Chandra Bose International Airport (CCU) → Kolkata, city gazetteer reference point (22.5726, 88.3639): ≈ 12 km.
- Don Mueang International Airport (DMK) → Bangkok, city gazetteer reference point (13.7563, 100.5018): ≈ 21 km.
- Suvarnabhumi Airport (BKK) → Bangkok, city gazetteer reference point (13.7563, 100.5018): ≈ 28 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €108 | 14 |
| December 2026 | €103 | 30 |
| January 2027 | €94 | 24 |
| February 2027 | €104 | 10 |
Lowest fare by day of the week
Cheapest Thursday departure we saw from Kolkata to Bangkok: 28 Jan 2027, €94 (checked 12 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €104 | 12 |
| Tuesday | €103 | 12 |
| Wednesday | €104 | 12 |
| Thursday | €94 | 13 |
| Friday | €109 | 10 |
| Saturday | €107 | 10 |
| Sunday | €109 | 10 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €158 | 13 Nov 2026 | |
| €147 | 14 Nov 2026 | |
| €147 | 14 Nov 2026 | |
| €136 | 12 Nov 2026 | |
| €144 | 9 Nov 2026 | |
| €144 | 14 Nov 2026 | |
| €144 | 14 Nov 2026 | |
| €144 | 14 Nov 2026 | |
| €139 | 11 Nov 2026 | |
| €124 | 11 Nov 2026 | |
| €133 | 10 Nov 2026 | |
| €122 | 14 Nov 2026 | |
| €122 | 14 Nov 2026 | |
| €108 | 12 Nov 2026 | |
| €106 | 5 Nov 2026 | |
| €113 | 10 Nov 2026 | |
| €147 | 14 Nov 2026 | |
| €142 | 14 Nov 2026 | |
| €153 | 10 Nov 2026 | |
| €76 | 5 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Kolkata to Bangkok by days until departure (61 days or more): €94 (checked 12 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €136 | 8 |
| 8 to 30 days | €104 | 21 |
| 31 to 60 days | €103 | 26 |
| 61 days or more | €94 | 24 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Kolkata to Bangkok: Thai Vietjet Air, €76 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Thai Vietjet Air | €76Jan 30, 2027 | 61 |
| Thai AirAsia | €115Feb 10, 2027 | 56 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Kolkata to Bangkok?
The lowest fare Routavio has observed is €76, found on 5 Nov 2026.
Are there direct flights from Kolkata to Bangkok?
Yes. Published schedules report non-stop flights on this route with IndiGo, Bhutan Airlines, Thai AirAsia, SpiceJet, Thai Lion Air, Thai Airways, Thai Vietjet Air, Hahn Air Technologies.
Which airlines fly from Kolkata to Bangkok?
Routavio has seen these carriers on the route: IndiGo, Bhutan Airlines, Thai AirAsia, SpiceJet, Thai Lion Air, Thai Airways, Thai Vietjet Air, Hahn Air Technologies, Biman Bangladesh, US-Bangla Airlines (10).
How long does the flight from Kolkata to Bangkok take?
Across the 90 fares Routavio observed, the average journey time is 2h 33m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Kolkata to Bangkok fares were non-stop?
93 of the 94 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Kolkata to Bangkok?
Cheapest round trip: €207, departing 14 Jan 2027, back 18 Jan 2027 (checked 14 Nov 2026).
How much is a non-stop flight from Kolkata to Bangkok?
Cheapest non-stop one-way fare: €76, departing 30 Jan 2027 (checked 6 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Kolkata to Bangkok?
For Kolkata to Bangkok, examples of observed one-way non-stop offers checked within the last 14 days: Thai Vietjet Air (57), Thai AirAsia (56). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Kolkata to Bangkok?
Cheapest Thursday departure we saw from Kolkata to Bangkok: 28 Jan 2027, €94 (checked 12 Nov 2026).
Which airline has the lowest fare from Kolkata to Bangkok?
Cheapest airline from Kolkata to Bangkok: Thai Vietjet Air, €76 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
Non-stop airlines on this route
- IndiGo
- Bhutan Airlines
- Thai AirAsia
- SpiceJet
- Thai Lion Air
- Thai Airways
- Thai Vietjet Air
- Hahn Air Technologies
More routes from Kolkata
Show all 35 routes →Show fewer ↑
More routes to Bangkok
Show all 35 routes →Show fewer ↑
Recently observed fares. Prices may change.
