Cheapest month to fly from San Francisco to Lisbon
The lowest fare travelers recently found for each month of the next year, SFO to LIS.
Cheapest month
A low fare in this month departs Mon, Nov 9 (from $778).
See this fare (Mon, Nov 9) Partner link: we may earn a commission- November 2026$778Check prices
- December 2026$839Check prices
- January 2027$842Check prices
- August 2027$955Check prices
Cached data from Aviasales (via Travelpayouts), up to a few days old. A month with no bar had no recent fares. It may include extra stops, and a price may be gone. It is a starting point, not a quote. Some links are partner links; we may earn a commission at no extra cost to you. Details
Questions
What is the cheapest month to fly from San Francisco to Lisbon?
Among the fares travelers recently found, November 2026 is lowest at about $778, followed by December 2026 ($839). These are cached, recently found fares, not guarantees.
Are these prices guaranteed?
No. They are low fares travelers recently found, up to a few days old, and they may be gone. Search your own dates for the live price.
Can I get an alert if the price drops?
Yes. Search your trip and choose Get a price alert, or sign up below for a free weekly email of cheap flights.