Chennai to Colombo at a glance
The lowest fare our scanner has seen from Chennai to Colombo in the last two weeks is ₹11,289 (one-way) for Sat 3 Oct, about 16% over the usual price.
Of the months we have prices for, October is the cheapest and January the dearest.
Nonstop flights take about 1h 20m on IndiGo and SriLankan.
Colombo has its best weather from December to March.
Nonstop: IndiGo, SriLankanCheapest airlines lately: IndiGo, SriLankan
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 Colombo'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 | ₹11,289 one-way · Sat 3 Oct | 29° / 24°very wet, 329 mm | Off-season | Dussehra |
| November 2026 | Check live above | 29° / 24°very wet, 421 mm | Off-season | Diwali |
| December 2026Best weather | Check live above | 30° / 23°rainy spells, 148 mm | Peak | Christmas and New Year |
| January 2027Best weather | ₹11,814 one-way · Thu 21 Jan | 30° / 23°some rain, 88 mm | Peak | Christmas and New YearRepublic Day weekend |
| February 2027Best weather | Check live above | 32° / 23°mostly dry, 47 mm | Peak | Dry, sunny season on the west and south coasts (Colombo, Galle, Mirissa). Whale... |
| March 2027Best weather | Check live above | 31° / 24°rainy spells, 93 mm | Shoulder | HoliGood Friday weekend |
| April 2027 | Check live above | 31° / 25°rainy spells, 148 mm | Shoulder | Indian summer holidays |
| May 2027 | Check live above | 30° / 26°very wet, 391 mm | Off-season | Indian summer holidaysVesak |
| June 2027 | Check live above | 29° / 26°very wet, 269 mm | Off-season | Indian summer holidays |
| July 2027 | Check live above | 29° / 26°wet, 173 mm | Off-season | Southwest monsoon: rain and rough seas on the west and south coasts. The east coast... |
| August 2027 | Check live above | 28° / 25°wet, 185 mm | Shoulder | Southwest monsoon: rain and rough seas on the west and south coasts. The east coast... |
| September 2027 | Check live above | 29° / 25°very wet, 257 mm | Off-season | Southwest monsoon: rain and rough seas on the west and south coasts. The east coast... |
Dates to plan around
Festivals and holidays in Colombo, and the rushes that push up fares out of Chennai.
- 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.
- 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.
- 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.
- 15 Apr – 15 Jun · expectedIndian summer holidaysSchool holidays (roughly mid-April to mid-June, varying by state): outbound family travel peaks and fares climb, especially to the Gulf, Southeast Asia and Europe.
- 19–20 MayVesakLanterns, lit pandals and free food stalls (dansal) across the island; alcohol sales are banned on the full-moon day.
- 27–31 OctDiwaliDiwali (Lakshmi Puja on Friday 29 Oct): the busiest travel week of the autumn. Fares out of India rise, and short trips abroad book up.
Good to know
What is the cheapest month to fly from Chennai to Colombo?
Of the months our scanner has priced, October 2026 is the cheapest: ₹11,289 (one-way) for Sat 3 Oct. 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 Colombo?
Nonstop flights take about 1h 20m. Airlines flying nonstop include IndiGo and SriLankan.
Which airlines fly from Chennai to Colombo?
Recently the cheapest fares were on IndiGo and SriLankan.
When is the best time to visit Colombo?
The best weather in Colombo is from December to March. Dry, sunny season on the west and south coasts (Colombo, Galle, Mirissa). Whale watching off Mirissa runs roughly December to April. Peak season, with the most visitors and the highest hotel prices, is December to February. The quietest months are May to July and September to November.
How far ahead should I book Chennai to Colombo 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.