Flights Frankfurt → San Francisco — September 19, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 19, 2026 on the Frankfurt–San Francisco route: 2 stops itinerary (3 flights) via London Gatwick (LGW) and Toronto (YYZ), from Frankfurt (FRA) to San Francisco International (SFO), first flight Helvetic Airways 2L4123, departs 8:20 AM, arrives 12:15 PM the next day, total travel time 36h 55m including layovers, flight time 15h 10m (layovers excluded), $714 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 4, 2026 and read by AirSource on September 10, 2026, 20:06 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA927, from Frankfurt (FRA) to San Francisco International (SFO), departs 5:30 PM, arrives 7:50 PM, direct, 11h 20m, $1,294 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.