Chicago to Chennai flight deals
ORD → MAA · Chennai, India
Typical price
$1,220
All-time low we've seen
$864
90-day average
$1,220
Cheapest month: Oct 2026
Lowest return fare seen for each departure month, ORD → MAA.
- Oct 2026$864
Live · 18 Oct on Google Flights
Dussehra rush
- Dec 2026$1,857
Live · 15 Dec–5 Jan on Google Flights
Xmas–NY rush
- Jan 2027$1,051
Live · 15 Jan–5 Feb on Google Flights
Xmas–NY rushRepublic Day rush
From 3 departure dates checked in the last 14 days. “Live” means checked in the last 48 hours; older fares may have changed. Red tags mark Indian holiday rushes, when fares out of India tend to rise.
When to book
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.2% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −1.1% to +0.1%.
- Under 2 weeks+6.2%
- 2–4 weeks−0.5%
- 1–2 months−0.7%
- 2–3 months+0.1%
- 3+ months−1.1%
How far ahead the fare was booked, versus that departure date's average price, so the season doesn't skew it. All routes: 9,694 departure-date samples.
Fly from another city
Cheapest live return fare to Chennai from other airports. Getting to that airport costs extra.
Chicago to Chennai: questions
What is the cheapest month to fly from Chicago to Chennai?
Across 3 departure months, Oct 2026 has the lowest return fare we've seen in the last 14 days: $864. The priciest is Dec 2026 at $1,857. Fares change daily, so check the live price before you book.
How far ahead should I book Chicago to Chennai flights?
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.2% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −1.1% to +0.1%.
How often does FlyBun check Chicago to Chennai fares?
Every 4 hours, across departure dates months ahead. When a fare is cheaper than most FlyBun has seen on this route and at least 20% below its typical price, it's published as a deal and everyone watching this route gets an alert.
FlyBun checks fares from Indian cities every 4 hours and alerts you free when they drop.