Cheapest return flights from San Francisco to Lisbon in October from $498

Best time to book flights for San Francisco (SFO) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Lisbon (LIS) in October 2025 (see full year).

Return flights

28 Oct - 04 Nov Finnair
22 Oct - 06 Nov British Airways
07 Oct - 14 Oct Delta
13 Oct - 25 Oct Iberia
22 Oct - 29 Oct United
16 Oct - 23 Oct British Airways
14 Oct - 21 Oct British Airways
18 Oct - 25 Oct British Airways
14 Oct - 28 Oct British Airways
01 Oct - 08 Oct Delta
13 Oct - 20 Oct British Airways
15 Oct - 22 Oct British Airways

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

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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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