Chennai to Bangkok at a glance
The lowest fare our scanner has seen from Chennai to Bangkok in the last two weeks is ₹14,323 (one-way) for Fri 4 Dec, about 28% over the usual price.
Of the months we have prices for, December is the cheapest and January the dearest.
Nonstop flights take about 3h 25m on THAI and IndiGo.
Bangkok has its best weather from November to February.
Nonstop: THAI, IndiGoCommon stops: Colombo, Hyderabad, SingaporeCheapest airlines lately: SriLankan, THAI, IndiGo, Scoot
Month by month: fares, weather and what's on
The cheapest fare our scanner has seen in each month over the last two weeks (one-way), with Bangkok's weather and the dates that move prices. The live calendar at the top prices any month and trip length on demand.
| Month | Cheapest fare seen | Weather | Season | What's on |
|---|---|---|---|---|
| October 2026 | ₹15,242 one-way · Wed 21 Oct | 31° / 24°very wet, 260 mm | Shoulder | China Golden WeekDussehra |
| November 2026Best weather | Check live above | 31° / 23°some rain, 89 mm | Peak | DiwaliLoy Krathong |
| December 2026Best weather | ₹14,323 one-way · Fri 4 Dec | 31° / 22°dry, 20 mm | Peak | Christmas and New Year |
| January 2027Best weather | ₹16,866 one-way · Sun 17 Jan | 32° / 22°mostly dry, 29 mm | Peak | Christmas and New YearRepublic Day weekend |
| February 2027Best weather | ₹16,391 one-way · Mon 8 Feb | 32° / 23°mostly dry, 44 mm | Peak | Lunar New Year |
| March 2027 | Check live above | 33° / 25°some rain, 63 mm | Shoulder | HoliGood Friday weekend |
| April 2027 | Check live above | 34° / 26°rainy spells, 96 mm | Shoulder | SongkranIndian summer holidays |
| May 2027 | Check live above | 33° / 26°wet, 187 mm | Off-season | Indian summer holidays |
| June 2027 | Check live above | 32° / 26°wet, 153 mm | Off-season | Indian summer holidays |
| July 2027 | Check live above | 31° / 26°wet, 231 mm | Off-season | Rainy season: short, heavy afternoon downpours. September and October are the wettest... |
| August 2027 | Check live above | 32° / 26°wet, 212 mm | Off-season | Rainy season: short, heavy afternoon downpours. September and October are the wettest... |
| September 2027 | Check live above | 31° / 25°very wet, 332 mm | Off-season | Rainy season: short, heavy afternoon downpours. September and October are the wettest... |
Dates to plan around
Festivals and holidays in Bangkok, and the rushes that push up fares out of Chennai.
- 1–7 OctChina Golden WeekChina's National Day holiday: mainland travellers pack Hong Kong, Macau and the big Asian hotspots, and hotel prices rise.
- 20 OctDussehraDussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week.
- 6–10 NovDiwaliDiwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up.
- 24 NovLoy KrathongCandlelit floats on rivers and canals, and the Yi Peng lantern nights in Chiang Mai around the full moon.
- 19 Dec – 3 JanChristmas and New YearThe priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.
- 23–26 JanRepublic Day weekendRepublic Day falls on Tuesday 26 Jan: take the Monday off and it's a four-day weekend, so short trips abroad book up.
- 6 FebLunar New YearDragon dances and street food in Thailand's Chinatowns, biggest in Bangkok's Yaowarat.
- 22–23 MarHoliHoli (22-23 Mar) and Good Friday (26 Mar) fall in the same week, a favourite week for short trips abroad, so fares rise.
- 26–28 MarGood Friday weekendGood Friday (26 Mar) makes a long weekend in India, just after Holi.
- 13–15 AprSongkranThai New Year: a nationwide water fight. Great fun, but hotels fill up and many Thais travel home.
Good to know
What is the cheapest month to fly from Chennai to Bangkok?
Of the months our scanner has priced, December 2026 is the cheapest: ₹14,323 (one-way) for Fri 4 Dec. Fares change daily; the live calendar at the top of this page prices every month on demand.
How long is the flight from Chennai to Bangkok?
Nonstop flights take about 3h 25m. Airlines flying nonstop include THAI and IndiGo.
Which airlines fly from Chennai to Bangkok?
Recently the cheapest fares were on SriLankan, THAI, IndiGo, Scoot and Malaysia Airlines.
When is the best time to visit Bangkok?
The best weather in Bangkok is from November to February. Cool, dry season by Bangkok standards: highs around 31-32°C and little rain. The best time to visit. Peak season, with the most visitors and the highest hotel prices, is November to February. The quietest months are May to September.
How far ahead should I book Chennai to Bangkok flights?
At least five weeks ahead. Recently, on Southeast Asia routes, fares under 2 weeks before departure ran 9% above what the same flights cost five to seventeen weeks out.
When do fares out of Chennai go up?
Dussehra (20 Oct): Dussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week. Diwali (6–10 Nov): Diwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up. Christmas and New Year (19 Dec – 3 Jan): The priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.