Cheapest return flights from Seattle to Bucharest in June from $691

AirHint found the following cheapest return flights from Seattle (SEA) to Bucharest (OTP) in June 2026 (see full year).

Return flights

08 Jun - 16 Jun British Airways
09 Jun - 17 Jun British Airways
10 Jun - 18 Jun British Airways
15 Jun - 23 Jun British Airways
11 Jun - 19 Jun British Airways
16 Jun - 24 Jun British Airways
17 Jun - 25 Jun British Airways
14 Jun - 22 Jun British Airways
12 Jun - 20 Jun British Airways
18 Jun - 26 Jun British Airways

Also check the deals for one-way flights from Seattle to Bucharest in June.

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