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

Return flights

28 Nov - 05 Dec	Icelandair
11 Nov - 18 Nov	Austrian Airlines
12 Nov - 19 Nov	Austrian Airlines
05 Nov - 19 Nov	Austrian Airlines
26 Nov - 03 Dec	Air Canada
10 Nov - 17 Nov	Air Canada
18 Nov - 25 Nov	SWISS
25 Nov - 02 Dec	SWISS
19 Nov - 26 Nov	Air Canada
17 Nov - 24 Nov	Air Canada
24 Nov - 01 Dec	Air Canada
27 Nov - 04 Dec	Air Canada
16 Nov - 23 Nov	TAP
02 Nov - 09 Nov	Austrian Airlines
13 Nov - 20 Nov	Austrian Airlines
30 Nov - 07 Dec	Air Canada
26 Nov - 20 Dec	Lufthansa
29 Nov - 06 Dec	Air Canada
28 Nov - 13 Dec	SWISS
29 Nov - 20 Dec	SWISS

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

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 Bucharest in November from 436€

Return flights