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

Return flights

06 Aug - 28 Aug	Frontier Airlines
25 Aug - 10 Sep	KLM
14 Aug - 24 Aug	Frontier Airlines
25 Aug - 30 Aug	Air France
18 Aug - 25 Aug	Frontier Airlines
10 Aug - 15 Aug	Frontier Airlines
13 Aug - 20 Aug	KLM
03 Aug - 09 Aug	Frontier Airlines
07 Aug - 20 Aug	KLM
02 Aug - 13 Aug	KLM
05 Aug - 09 Sep	Korean Air
17 Aug - 24 Aug	Korean Air

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

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 Delhi in August from 833€

Return flights