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

Return flights

25 Aug - 10 Sep	KLM
13 Aug - 20 Aug	KLM
12 Aug - 27 Aug	KLM
07 Aug - 24 Aug	Frontier Airlines
11 Aug - 18 Aug	Air France
21 Aug - 30 Aug	Frontier Airlines
20 Aug - 01 Sep	Frontier Airlines
07 Aug - 23 Aug	Frontier Airlines
10 Aug - 24 Aug	Frontier Airlines
01 Aug - 01 Sep	Frontier Airlines
07 Aug - 14 Aug	KLM
08 Aug - 11 Aug	Delta
08 Aug - 15 Aug	KLM

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 745€

Return flights