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

Return flights

06 Dec - 13 Dec	SWISS
11 Dec - 15 Dec	Air France
11 Dec - 25 Dec	Delta
25 Dec - 17 Jan	Iberia
01 Dec - 08 Dec	Delta
26 Dec - 17 Jan	Lufthansa
13 Dec - 27 Dec	Iberia
15 Dec - 29 Dec	SWISS
09 Dec - 06 Jan	United
13 Dec - 28 Dec	Iberia
12 Dec - 27 Dec	British Airways
13 Dec - 29 Dec	SWISS
20 Dec - 10 Jan	Frontier Airlines
21 Dec - 31 Dec	Aer Lingus
24 Dec - 04 Jan	Frontier Airlines
14 Dec - 03 Jan	Frontier Airlines
21 Dec - 01 Jan	Icelandair
20 Dec - 01 Jan	Frontier Airlines

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 460€

Return flights