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

Return flights

22 Jul - 19 Aug	British Airways
22 Jul - 05 Aug	British Airways
20 Jul - 30 Jul	British Airways
22 Jul - 19 Aug	TAP	direct
31 Jul - 08 Aug	British Airways
15 Jul - 10 Aug	British Airways
19 Jul - 29 Jul	British Airways
16 Jul - 27 Jul	British Airways
08 Jul - 15 Jul	Finnair
08 Jul - 20 Jul	Finnair
09 Jul - 21 Jul	Lufthansa
15 Jul - 10 Aug	TAP	direct
20 Jul - 30 Jul	TAP	direct
09 Jul - 20 Jul	Finnair
08 Jul - 18 Jul	Air Canada
05 Jul - 12 Jul	British Airways

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

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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Cheapest return flights from San Francisco to Lisbon in July from $562

Return flights