AirHint found the following cheapest return flights from Chicago (ORD) to Hyderabad (HYD) in October 2025 (see full year).

Return flights

09 Oct - 04 Nov	Air India
09 Oct - 09 Nov	Air India
09 Oct - 31 Oct	Air India
03 Oct - 25 Oct	Air India
21 Oct - 09 Nov	Air India
17 Oct - 02 Nov	Air India
17 Oct - 01 Nov	Air India
01 Oct - 13 Nov	Air India
01 Oct - 20 Oct	Air India
01 Oct - 31 Oct	Air India
01 Oct - 17 Oct	Air India
24 Oct - 08 Nov	Cathay Pacific
23 Oct - 08 Nov	Cathay Pacific
23 Oct - 09 Nov	Cathay Pacific
24 Oct - 09 Nov	Cathay Pacific
08 Oct - 20 Oct	Cathay Pacific
04 Oct - 25 Oct	Cathay Pacific
01 Oct - 24 Oct	Cathay Pacific
05 Oct - 25 Oct	Air India

Also check the deals for one-way flights from Chicago to Hyderabad in October.

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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Cheapest return flights from Chicago to Hyderabad in October from $656

Return flights