AirHint found the following cheapest return flights from Chicago (MDW) to Prague (PRG) in March 2026 (see full year).

Return flights

30 Mar - 07 Apr	Delta
02 Mar - 11 Mar	Delta
30 Mar - 06 Apr	Delta
07 Mar - 14 Mar	Frontier Airlines
29 Mar - 06 Apr	Delta
24 Mar - 31 Mar	Delta
09 Mar - 14 Mar	Frontier Airlines
18 Mar - 27 Mar	Delta
24 Mar - 30 Mar	Delta
22 Mar - 28 Mar	Frontier Airlines
15 Mar - 20 Mar	Frontier Airlines
14 Mar - 21 Mar	Frontier Airlines
25 Mar - 30 Mar	Frontier Airlines

Also check the deals for one-way flights from Chicago to Prague in March.

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 Prague in March from 476€

Return flights