Cheapest return flights from Seattle to Funchal in October from $976

AirHint found the following cheapest return flights from Seattle (SEA) to Funchal (FNC) in October 2025 (see full year).

Return flights

13 Oct - 27 Oct WestJet
17 Oct - 23 Oct British Airways
16 Oct - 19 Oct WestJet

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

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