Cheap flights from Lisbon to San Francisco
Cheapest current fares: $494 in September 2026, 9,124 km direct flight in ~10h 44m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Lisbon (LIS) to San Francisco (SFO). Refreshed daily.
Lisbon (LIS) → San Francisco (SFO)
- September 2026 $494
- October 2026 $526
- August 2026 $756
Frequently asked questions
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What is the cheapest month to fly from Lisbon to San Francisco?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Lisbon (LIS) to San Francisco (SFO), with fares starting from $494.
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What is the lowest current fare from LIS to SFO?
The lowest currently-listed fare from Lisbon (LIS) to San Francisco (SFO) is $494 on 2026-09-25.
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How long is the flight from Lisbon to San Francisco?
Direct flights from LIS to SFO cover approximately 9,124 km (5,669 miles), with an estimated flight time of 10h 44m. Operating airlines: TP.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.