Cheapest return flights from San Francisco to Lisbon in April from $555

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

Return flights

07 Apr - 15 Apr Air France
20 Apr - 28 Apr Air France
11 Apr - 30 Apr Air Canada
14 Apr - 22 Apr United
21 Apr - 29 Apr United
28 Apr - 06 May United
28 Apr - 19 May Air Canada
06 Apr - 14 Apr Delta
08 Apr - 16 Apr Delta
13 Apr - 21 Apr Delta
22 Apr - 30 Apr Delta
27 Apr - 05 May Delta
29 Apr - 07 May Air France
15 Apr - 23 Apr Finnair
26 Apr - 04 May KLM
25 Apr - 02 May Scandinavian Airlines
28 Apr - 05 May TAP direct
30 Apr - 19 May British Airways
23 Apr - 01 May Lufthansa
24 Apr - 01 May Lufthansa

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

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