Cheap flights from Austin to Chennai from $421

In general, September is the cheapest month to fly from Austin to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,070. If you’re not able to fly to Chennai in September, then January is your next best option. Flight prices from Austin to Chennai during January average around $1,162.

The cheapest day to depart on your flight to Chennai is on a Monday when prices can be found for as low as $2,077. This is often the case because there is less demand to fly during this day of the week. Flights from Austin to Chennai on a Saturday will generally be more expensive and average around $2,280. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from Austin to Chennai when you can find flight prices for as low as $1,363. Flying to Chennai in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the afternoon when prices are around $1,497.

You are more likely to see cheaper flights to Chennai from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Austin for as low as $1,261 on momondo.

You could potentially save up to 2% on your flight if you consider stops on a Austin to Chennai flight.

As of March 2026, prices for Austin to Chennai flights are approximately 35% cheaper when compared to flights at the same time last year.

KLM and Qatar Airways are the most popular carriers operating from Austin Bergstrom to Chennai

Qatar Airways, Lufthansa and British Airways are the top three most popular airlines that fly to Chennai from Austin according to our data. Qatar Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 6 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

London (LHR) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $1,231.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 21h 21m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 48m.