Cheapest return flights from San Francisco to Lisbon in April from $455

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

Return flights

14 Apr - 21 Apr Finnair
21 Apr - 29 Apr LEVEL
07 Apr - 17 Apr British Airways
21 Apr - 28 Apr British Airways
19 Apr - 25 Apr LEVEL
21 Apr - 26 Apr LEVEL
30 Apr - 06 May British Airways
30 Apr - 05 May British Airways
28 Apr - 19 May Delta
23 Apr - 01 May Lufthansa
04 Apr - 13 Apr Scandinavian Airlines
24 Apr - 29 Apr British Airways
15 Apr - 15 May Air Canada
07 Apr - 20 Apr Delta
30 Apr - 19 May LEVEL
18 Apr - 03 May British Airways
18 Apr - 24 Apr British Airways
16 Apr - 16 May Lufthansa
23 Apr - 01 May TAP direct
16 Apr - 16 May TAP direct

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

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