Cheap flights from Illinois to Chennai from $358

In general, February is the cheapest month to fly from Illinois to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $849. If you’re not able to fly to Chennai in February, then April is your next best option. Flight prices from Illinois to Chennai during April average around $870.

The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as $1,115. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to Chennai on a Monday will generally be more expensive and average around $1,308. 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 Illinois to Chennai when you can find flight prices for as low as $1,115. 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 evening when prices are around $1,343.

You are more likely to see cheaper flights to Chennai from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,100 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Illinois for as low as $953 on momondo.

Etihad Airways, SWISS, and Qatar Airways are the most popular carriers operating from Illinois to Chennai

Etihad Airways, Qatar Airways and Emirates are the top three most popular airlines that fly to Chennai from Illinois according to our data. Etihad Airways is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 7 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.