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

Return flights

06 Dec - 18 Jan	Delta
06 Dec - 16 Dec	Air France
06 Dec - 15 Dec	Frontier Airlines
04 Dec - 11 Dec	Delta
16 Dec - 25 Dec	Delta
06 Dec - 27 Dec	Frontier Airlines
11 Dec - 18 Dec	Delta
13 Dec - 23 Dec	Delta
21 Dec - 06 Jan	KLM
23 Dec - 28 Dec	Delta
19 Dec - 07 Jan	Delta
20 Dec - 06 Jan	Delta
24 Dec - 27 Dec	Delta
19 Dec - 06 Jan	Delta
23 Dec - 27 Dec	Frontier 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 487€

Return flights