Cheapest return flights from San Francisco to Lisbon in April from $431

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

Return flights

21 Apr - 28 Apr Iberia
14 Apr - 21 Apr Iberia
21 Apr - 29 Apr American Airlines
08 Apr - 15 Apr British Airways
13 Apr - 20 Apr British Airways
15 Apr - 22 Apr British Airways
20 Apr - 27 Apr British Airways
12 Apr - 27 Apr British Airways
07 Apr - 14 Apr British Airways
22 Apr - 29 Apr British Airways
28 Apr - 19 May American Airlines
27 Apr - 04 May SWISS
23 Apr - 01 May Lufthansa
30 Apr - 05 May British Airways
30 Apr - 19 May British Airways
25 Apr - 02 May Air France
28 Apr - 05 May TAP direct
23 Apr - 01 May TAP direct
30 Apr - 05 May TAP direct
25 Apr - 02 May TAP direct

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

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