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

Return flights

28 Dec - 13 Jan	Lufthansa
03 Dec - 09 Dec	Turkish Airlines
01 Dec - 16 Dec	Turkish Airlines
04 Dec - 08 Dec	Turkish Airlines
07 Dec - 21 Dec	Aer Lingus
11 Dec - 15 Dec	Aer Lingus
22 Dec - 09 Jan	British Airways
12 Dec - 10 Jan	Aer Lingus
21 Dec - 10 Jan	Aer Lingus
19 Dec - 10 Jan	Frontier Airlines
18 Dec - 10 Jan	Frontier Airlines
29 Dec - 05 Jan	Air France
17 Dec - 31 Dec	British Airways
30 Dec - 06 Jan	British Airways
18 Dec - 28 Dec	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 510€

Return flights