AirHint found the following cheapest return flights from Chicago (MDW) to Karachi (KHI) in January 2026 (see full year).

Return flights

15 Jan - 12 Feb	Frontier Airlines
15 Jan - 15 Feb	Frontier Airlines
23 Jan - 07 Feb	Frontier Airlines
01 Jan - 15 Jan	Frontier Airlines
07 Jan - 30 Jan	Frontier Airlines
11 Jan - 03 Feb	Frontier Airlines
11 Jan - 04 Feb	Frontier Airlines
09 Jan - 25 Jan	Frontier Airlines
05 Jan - 19 Jan	Frontier Airlines
02 Jan - 16 Jan	Frontier Airlines

Also check the deals for one-way flights from Chicago to Karachi in January.

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 Karachi in January from $870

Return flights