Cheapest return flights from Chicago to Delhi in September from $656

Best time to book flights for Chicago (ORD) to Delhi (DEL) flights at AirHint

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

Return flights

22 Sep - 02 Oct Air India direct
11 Sep - 24 Sep United
10 Sep - 30 Sep Air India direct
01 Sep - 10 Sep Air India direct
08 Sep - 22 Sep SWISS
12 Sep - 20 Sep Air India direct
03 Sep - 14 Sep Lufthansa
26 Sep - 04 Oct Air India direct
08 Sep - 22 Sep Air India direct
23 Sep - 02 Oct Lufthansa
30 Sep - 07 Oct United
03 Sep - 20 Sep Lufthansa
11 Sep - 20 Sep Lufthansa
21 Sep - 02 Oct Air India direct
24 Sep - 03 Oct Lufthansa
11 Sep - 24 Sep Air India direct

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.

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