Cheapest return flights from San Francisco to Lisbon in April from $528

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

Return flights

13 Apr - 27 Apr Air Canada
27 Apr - 23 May Iberia
28 Apr - 23 May Iberia
17 Apr - 30 Apr TAP direct
14 Apr - 09 May Lufthansa
03 Apr - 12 Apr Air Canada
04 Apr - 25 Apr SWISS
21 Apr - 28 Apr TAP direct
28 Apr - 23 May TAP direct
03 Apr - 11 Apr Turkish Airlines
11 Apr - 18 Apr TAP direct
04 Apr - 25 Apr TAP direct
03 Apr - 11 Apr TAP direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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