Cheapest return flights from Boston to Lisbon in April from $505

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

Return flights

10 Apr - 18 Apr Scandinavian Airlines
14 Apr - 27 Apr Scandinavian Airlines
09 Apr - 13 Apr Scandinavian Airlines
14 Apr - 21 Apr Aer Lingus
24 Apr - 01 May Aer Lingus
07 Apr - 14 Apr LEVEL
15 Apr - 22 Apr LEVEL
23 Apr - 01 May Aer Lingus
06 Apr - 13 Apr TAP
09 Apr - 18 Apr Scandinavian Airlines
08 Apr - 19 Apr LEVEL
30 Apr - 18 May LEVEL
27 Apr - 10 May Aer Lingus
15 Apr - 27 Apr Scandinavian Airlines
28 Apr - 10 May Aer Lingus
24 Apr - 03 May Aer Lingus
13 Apr - 22 May Aer Lingus
27 Apr - 09 May Scandinavian Airlines
27 Apr - 10 May TAP direct
13 Apr - 22 May TAP direct

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

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