San Francisco (SFO) to Lisbon (LIS) is about 5,668 miles (9,121 km), roughly 11 h 50 min of flying time. Lisbon is 8 hours ahead of San Francisco all year.
When is the cheapest time to fly from San Francisco to Lisbon?
Lowest round-trip fares found in recent searches for each month (7 to 14 day trips). Pick a cheap month, then confirm the live price.
Are there nearby airports that could be cheaper?
Fares at a neighboring airport are sometimes lower. Worth comparing on this route:
- OAKOakland San Francisco Bay Airport across the bay in Oakland.
- SJCSan José Mineta International Airport serves San José and Silicon Valley.
What do I need before flying to Lisbon?
This is an international trip, so you need a valid passport. Entry rules, visas and health requirements change, so check the official US State Department page before you book: Portugal travel information.
Plan how you will stay connected; an eSIM is usually cheaper than your carrier's roaming plan. See travel services.
Stay connected in Lisbon
An eSIM gives you local data from the moment you land, usually far cheaper than roaming.
Partner tool. We may earn a commission if you book, at no extra cost to you. Disclosure.
Things to do in Lisbon
Popular attractions and tickets, most with free cancellation.
Partner tool. We may earn a commission if you book, at no extra cost to you. Disclosure.
Frequently asked questions
How far is San Francisco from Lisbon by plane?
The great-circle distance between SFO and LIS is about 5,668 miles (9,121 km).
How long does it take to fly from San Francisco to Lisbon?
About 11 h 50 min of flying time based on distance, if a nonstop flight operates. Actual schedules vary by airline and wind, and itineraries with connections take longer.
What is the time difference between San Francisco and Lisbon?
Lisbon is 8 hours ahead of San Francisco all year.
Distance and flying time are calculated from airport coordinates (OurAirports data) and a typical cruise speed; they are planning estimates, not schedules. Updated 2026-10-28.
