Cheapest return flights from Washington to Bucharest in May from $487

AirHint found the following cheapest return flights from Washington (IAD) to Bucharest (OTP) in May 2026 (see full year).

Return flights

05 May - 12 May SWISS
04 May - 11 May SWISS
06 May - 13 May SWISS
07 May - 14 May SWISS
18 May - 24 May Austrian Airlines
01 May - 08 May United
03 May - 10 May Lufthansa
14 May - 28 May SWISS
17 May - 24 May British Airways
15 May - 22 May British Airways
28 May - 04 Jun British Airways
29 May - 05 Jun British Airways

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

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