AirHint found the following cheapest return flights from Seattle (SEA) to Bucharest (OTP) in October 2026 (see full year).
Return flights
| 20 Oct - 27 Oct | Air Canada | ||
| 21 Oct - 28 Oct | Air Canada | ||
| 22 Oct - 29 Oct | Turkish Airlines | ||
| 19 Oct - 26 Oct | Air France | ||
| 16 Oct - 23 Oct | Air Canada | ||
| 18 Oct - 25 Oct | Air Canada | ||
| 17 Oct - 24 Oct | Air Canada |
Also check the deals for one-way flights from Seattle to Bucharest in October.
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