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

Return flights

29 Dec - 12 Jan	Lufthansa
11 Dec - 15 Dec	SWISS
10 Dec - 15 Dec	SWISS
02 Dec - 09 Dec	Lufthansa
25 Dec - 08 Jan	British Airways
11 Dec - 14 Dec	Air Canada
06 Dec - 10 Dec	Aer Lingus
23 Dec - 08 Jan	British Airways
24 Dec - 09 Jan	British Airways
11 Dec - 13 Dec	Aer Lingus
24 Dec - 07 Jan	British Airways
25 Dec - 31 Dec	Scandinavian Airlines
25 Dec - 01 Jan	Scandinavian Airlines
24 Dec - 31 Dec	SWISS
18 Dec - 21 Dec	Air Canada
25 Dec - 04 Jan	British Airways
19 Dec - 02 Jan	Aer Lingus

Also check the deals for one-way flights from Washington 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 Washington to Budapest in December from $528

Return flights