Cheapest return flights from Seattle to Bucharest in October from $548

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

Return flights

07 Oct - 14 Oct Air France
07 Oct - 15 Oct Air France
06 Oct - 13 Oct Air France
05 Oct - 13 Oct Air France
06 Oct - 14 Oct Air France
05 Oct - 12 Oct Air France
08 Oct - 15 Oct Air France
08 Oct - 16 Oct Air France
04 Oct - 11 Oct Lufthansa

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

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