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

Return flights

09 May - 15 May	Turkish Airlines
09 May - 16 May	Turkish Airlines
15 May - 25 May	Turkish Airlines
16 May - 24 May	Scandinavian Airlines
15 May - 24 May	Scandinavian Airlines
16 May - 30 May	Turkish Airlines
19 May - 02 Jun	Icelandair
23 May - 30 May	Air Canada
25 May - 08 Jun	Austrian Airlines
19 May - 30 Jun	Air Canada
15 May - 22 May	Icelandair
20 May - 27 May	Icelandair

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

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 May from $569

Return flights