Chennai to Vienna at a glance
Vienna has its best weather from May to June and September to October.
Month by month: fares, weather and what's on
The cheapest fare our scanner has seen in each month over the last two weeks (return, 10 nights), with Vienna'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 2026Best weather | Check live above | 16° / 8°mostly dry, 48 mm | Shoulder | Dussehra |
| November 2026 | Check live above | 9° / 3°mostly dry, 46 mm | Shoulder | Diwali |
| December 2026 | Check live above | 5° / 0°mostly dry, 46 mm | Peak | Christmas and New Year |
| January 2027 | Check live above | 4° / -2°mostly dry, 37 mm | Shoulder | Christmas and New YearRepublic Day weekend |
| February 2027 | Check live above | 8° / 1°mostly dry, 35 mm | Shoulder | Ball season: hundreds of balls, including the Vienna Opera Ball in February. |
| March 2027 | Check live above | 12° / 2°mostly dry, 33 mm | Shoulder | HoliGood Friday weekendEaster |
| April 2027 | Check live above | 16° / 6°mostly dry, 48 mm | Shoulder | Indian summer holidays |
| May 2027Best weather | Check live above | 20° / 11°some rain, 71 mm | Peak | Indian summer holidays |
| June 2027Best weather | Check live above | 26° / 16°some rain, 65 mm | Peak | Indian summer holidays |
| July 2027 | Check live above | 28° / 18°some rain, 62 mm | Peak | Summer is warm (26-28°C), but the State Opera takes its summer break in July and August. |
| August 2027 | Check live above | 27° / 17°some rain, 62 mm | Peak | Summer is warm (26-28°C), but the State Opera takes its summer break in July and August. |
| September 2027Best weather | Check live above | 22° / 13°some rain, 83 mm | Peak | Late spring and early autumn: 20-25°C, café terraces and Danube trips. |
Dates to plan around
Festivals and holidays in Vienna, 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.
- 26–29 MarEasterGood Friday to Easter Monday: a long weekend across much of Europe and Australia, with Holy Week crowds in Rome; some shops and sights close on the day.
- 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.
- 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
When is the best time to visit Vienna?
The best weather in Vienna is from May to June and September to October. Late spring and early autumn: 20-25°C, café terraces and Danube trips. Peak season, with the most visitors and the highest hotel prices, is May to September and December.
How far ahead should I book Chennai to Vienna flights?
At least five weeks ahead. Recently, on Europe routes, fares under 2 weeks before departure ran 5% 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.