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Cheapest one-way flights from Boston (BOS) to Porto (OPO), October

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Dates, airline, and price
Dates	Airline	Price
18 Oct	LEVEL
22 Oct	LEVEL
21 Oct	LEVEL
14 Oct	LEVEL
15 Oct	LEVEL
01 Oct	LEVEL
19 Oct	United
20 Oct	United
25 Oct	United
26 Oct	United

deals for return flights from Boston to Porto in October.

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Updated Jul 15, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Boston (BOS) to Porto (OPO), October

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