AirHint found the following cheapest return flights from Chicago (ORD) to Budapest (BUD) in December 2025 (see full year).

Return flights

08 Dec - 17 Dec	Scandinavian Airlines
01 Dec - 10 Dec	Scandinavian Airlines
12 Dec - 26 Dec	Scandinavian Airlines
13 Dec - 09 Jan	Scandinavian Airlines
02 Dec - 09 Dec	SWISS
03 Dec - 10 Dec	SWISS
09 Dec - 16 Dec	SWISS
10 Dec - 17 Dec	SWISS
15 Dec - 29 Dec	Scandinavian Airlines
01 Dec - 08 Dec	SWISS
07 Dec - 14 Dec	SWISS
27 Dec - 17 Jan	Austrian Airlines
26 Dec - 17 Jan	Lufthansa
13 Dec - 10 Jan	Icelandair
26 Dec - 05 Jan	Lufthansa
17 Dec - 01 Jan	Scandinavian Airlines
27 Dec - 03 Jan	Scandinavian Airlines
20 Dec - 01 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Chicago to Budapest 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 Budapest in December from $424

Return flights