Cheapest return flights from San Francisco to Lisbon in October from 453€

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

Return flights

07 Oct - 21 Oct SWISS
07 Oct - 22 Oct Iberia For Level
04 Oct - 15 Oct Iberia For Level
15 Oct - 22 Oct United
12 Oct - 21 Oct Virgin Atlantic
02 Oct - 18 Oct Iberia
10 Oct - 14 Oct Frontier Airlines
02 Oct - 25 Oct Iberia
14 Oct - 20 Oct Air France
12 Oct - 14 Oct Frontier Airlines
18 Oct - 22 Nov United
30 Oct - 06 Nov United
18 Oct - 22 Nov TAP direct
25 Oct - 01 Nov TAP direct

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

Skyscanner

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.