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

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Dates, airline, and price
Dates	Airline	Price
06 Mar	Azores Airlines
21 Mar	United
22 Mar	Lufthansa
23 Mar	United
24 Mar	United
28 Mar	United
30 Mar	United
31 Mar	United
25 Mar	Azores Airlines
26 Mar	Azores Airlines

deals for return flights from Boston to Porto in March.

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Updated Aug 26, 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), March

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