Cheapest return flights from San Francisco to Frankfurt in December from $641

Best time to book flights for San Francisco (SFO) to Frankfurt (FRA) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Frankfurt (FRA) in December 2025 (see full year).

Return flights

26 Dec - 09 Jan TAP
02 Dec - 09 Dec Lufthansa direct
04 Dec - 25 Dec Lufthansa direct
12 Dec - 19 Dec Lufthansa direct
26 Dec - 09 Jan United direct
15 Dec - 22 Dec British Airways
15 Dec - 30 Dec TAP
15 Dec - 30 Dec Lufthansa direct
15 Dec - 22 Dec Lufthansa direct
22 Dec - 29 Dec Lufthansa direct
19 Dec - 04 Jan TAP
19 Dec - 04 Jan United direct

Also check the deals for one-way flights from San Francisco to Frankfurt in December.

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.

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