Cheapest return flights from Washington to Bucharest in December from 500€

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

Return flights

04 Dec - 18 Dec Turkish Airlines
07 Dec - 21 Dec Turkish Airlines
04 Dec - 27 Dec TAP
29 Dec - 05 Jan Lufthansa
09 Dec - 03 Jan TAP
18 Dec - 05 Jan Frontier Airlines
12 Dec - 03 Jan Frontier Airlines
22 Dec - 29 Dec Aer Lingus
17 Dec - 31 Dec Icelandair

Also check the deals for one-way flights from Washington to Bucharest in December.

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