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	Lufthansa
09 Dec - 17 Dec	Lufthansa
08 Dec - 22 Dec	Lufthansa
04 Dec - 11 Dec	Lufthansa
02 Dec - 09 Dec	Lufthansa
09 Dec - 16 Dec	Lufthansa
03 Dec - 10 Dec	Lufthansa
10 Dec - 17 Dec	Lufthansa
06 Dec - 16 Dec	Austrian Airlines
01 Dec - 08 Dec	Lufthansa
27 Dec - 17 Jan	LOT
26 Dec - 17 Jan	United
31 Dec - 07 Jan	Lufthansa
19 Dec - 10 Jan	WestJet
30 Dec - 04 Jan	SWISS
29 Dec - 05 Jan	Lufthansa
25 Dec - 01 Jan	Lufthansa
28 Dec - 04 Jan	Lufthansa
26 Dec - 02 Jan	Lufthansa
27 Dec - 03 Jan	Lufthansa

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 393€

Return flights