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

Return flights

01 Dec - 29 Dec	Frontier Airlines
02 Dec - 15 Dec	KLM
11 Dec - 29 Dec	Frontier Airlines
29 Dec - 14 Jan	Frontier Airlines
25 Dec - 11 Jan	Frontier Airlines
25 Dec - 07 Jan	Frontier Airlines
25 Dec - 14 Jan	Frontier Airlines
09 Dec - 05 Jan	Frontier Airlines
23 Dec - 12 Jan	Frontier Airlines
14 Dec - 11 Jan	Frontier Airlines
11 Dec - 11 Jan	Frontier Airlines
22 Dec - 17 Jan	Frontier Airlines
24 Dec - 13 Jan	Frontier Airlines
10 Dec - 14 Dec	Korean Air

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

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 December from 928€

Return flights