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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Aug 09 Sep Icelandair
26 Aug 09 Sep LEVEL
09 Aug 02 Sep TAP
19 Aug 30 Sep LEVEL
24 Aug 05 Sep TAP
22 Aug 31 Aug TAP
18 Aug 26 Aug KLM
16 Aug 24 Aug KLM
21 Aug 30 Aug Frontier Airlines
03 Aug 14 Aug Icelandair
04 Aug 14 Aug Icelandair
01 Aug 10 Aug Icelandair
05 Aug 15 Aug Icelandair
01 Aug 15 Aug Icelandair
01 Aug 13 Aug Icelandair
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deals for one-way flights from Boston to Porto in August.

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Updated Jun 10, 2026.

About these fares

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