Cheapest return flights from Boston to Porto in April from $380

AirHint found the following cheapest return flights from Boston (BOS) to Porto (OPO) in April 2026 (see full year).

Return flights

19 Apr - 29 Apr Lufthansa
06 Apr - 13 Apr TAP
06 Apr - 12 Apr TAP
29 Apr - 07 May SWISS
29 Apr - 08 May SWISS
29 Apr - 06 May TAP
06 Apr - 20 Apr Lufthansa
12 Apr - 19 Apr SWISS
26 Apr - 02 May SWISS
10 Apr - 17 Apr United
18 Apr - 28 Apr Austrian Airlines
24 Apr - 02 May Lufthansa
27 Apr - 04 May TAP
23 Apr - 09 May Lufthansa
20 Apr - 26 Apr Iberia
26 Apr - 16 May TAP
19 Apr - 25 Apr Icelandair
17 Apr - 26 Apr British Airways

Also check the deals for one-way flights from Boston to Porto in April.

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