Cheapest return flights from Boston (BOS) to Porto (OPO), March

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
02 Mar 09 Mar TAP
Direct Flight
03 Mar 10 Mar SWISS
09 Mar 16 Mar SWISS
01 Mar 08 Mar Air Canada
08 Mar 15 Mar Air Canada
09 Mar 16 Mar TAP
Direct Flight
04 Mar 11 Mar Air Canada
07 Mar 14 Mar Air Canada
05 Mar 12 Mar TAP
06 Mar 13 Mar Air Canada
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deals for one-way flights from Boston to Porto in March.

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Updated Jul 3, 2026.

About these fares

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