AirHint found the following cheapest return flights from Chicago (ORD) to Prague (PRG) in July 2025 (see full year).

Return flights

30 Jul - 12 Aug	Delta
21 Jul - 28 Jul	Iberia
20 Jul - 08 Aug	TAP
27 Jul - 29 Jul	TAP
27 Jul - 30 Jul	TAP
21 Jul - 01 Aug	Icelandair
18 Jul - 29 Jul	TAP
19 Jul - 30 Jul	TAP
19 Jul - 29 Jul	TAP
19 Jul - 28 Jul	TAP
18 Jul - 27 Jul	TAP
20 Jul - 31 Jul	TAP

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

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 July from 657€

Return flights