Cheapest return flights from Chicago to Delhi in September from $659

AirHint found the following cheapest return flights from Chicago (ORD) to Delhi (DEL) in September 2025 (see full year).

Return flights

22 Sep - 25 Sep American Airlines
22 Sep - 30 Sep American Airlines
30 Sep - 19 Oct SWISS
23 Sep - 27 Sep American Airlines
23 Sep - 29 Sep American Airlines
22 Sep - 29 Sep American Airlines
23 Sep - 30 Sep American Airlines
23 Sep - 21 Oct American Airlines
29 Sep - 13 Oct SWISS
29 Sep - 29 Oct Lufthansa
27 Sep - 17 Oct Lufthansa
22 Sep - 17 Oct Cathay Pacific
22 Sep - 24 Sep American Airlines
24 Sep - 01 Oct jetBlue
29 Sep - 12 Oct Cathay Pacific
25 Sep - 03 Oct Delta
26 Sep - 29 Sep American Airlines
26 Sep - 08 Oct American Airlines
19 Sep - 23 Sep Etihad Airways
20 Sep - 30 Sep Cathay Pacific

Also check the deals for one-way flights from Chicago to Delhi in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Delhi

Cheap car rent in Delhi

Feel free to contact us with any feedback or request another flight research.