United's Polaris Business Class features lie-flat seats, Saks bedding, and access to exclusive lounges.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $629 (oojo) |
One-way from | $379 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $883 |
Good round-trip deal | $737 or less |
Good one-way deal | $445 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Fri 12/5
4:40 pm-2:30 pm
1 stop12h 50m
Frankfurt am Main
Mon 1/12
8:30 pm-11:08 pm
2 stops35h 38m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Wed 12/3
3:35 pm-7:45 pm
2 stops19h 10m
Frankfurt am Main
Wed 12/10
10:10 pm-8:24 pm
2 stops31h 14m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Sun 3/8
5:40 pm-6:50 pm
2 stops17h 10m
Frankfurt am Main
Thu 3/19
8:30 pm-3:35 pm
1 stop27h 05m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Fri 11/28
4:40 pm-2:30 pm
1 stop12h 50m
Frankfurt am Main
Tue 12/9
7:55 am-11:05 pm
2 stops24h 10m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Mon 5/4
7:00 am-1:55 pm
2 stops21h 55m
Frankfurt am Main
Tue 5/26
8:05 am-8:19 pm
2 stops21h 14m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Tue 3/31
7:00 am-11:40 am
2 stops19h 40m
Frankfurt am Main
Tue 4/7
8:05 am-2:40 pm
1 stop15h 35m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Mon 12/8
9:05 pm-7:45 pm
2 stops37h 40m
Frankfurt am Main
Sun 1/11
3:15 pm-11:08 pm
2 stops40h 53m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Thu 4/2
4:45 pm-7:45 pm
1 stop18h 00m
Frankfurt am Main
Tue 4/14
10:15 am-11:07 pm
2 stops21h 52m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Fri 12/5
4:40 pm-8:25 pm
2 stops18h 45m
Frankfurt am Main
Sun 12/14
7:00 am-2:35 pm
2 stops16h 35m
San FranciscoFrankfurt am Main
SFO - FRA
SFOFRA
San Francisco
Sun 1/11
12:47 am-11:15 am
2 stops25h 28m
Frankfurt am Main
Fri 1/30
6:55 am-11:50 am
1 stop13h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Frankfurt am Main Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, April is the cheapest month in which you can book a flight from San Francisco to Frankfurt am Main Airport (average of $299). Flying from San Francisco to Frankfurt am Main Airport in June is currently the most expensive (average of $769). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from San Francisco to Frankfurt am Main Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.
Travelers seeking maximum savings on their San Francisco to Frankfurt am Main Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 15% of weekly flights between San Francisco and Frankfurt am Main have experienced delays in the past year, with the average delay time being 163 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
Lisbon (LIS) – chosen by Cheapflights users on 33% of 1-stop itineraries from San Francisco to Frankfurt am Main Airport on Cheapflights.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 13h 15m.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 13h 15m.
Flights via London (LHR) offer the fastest connection on this route, with an average layover time of 1h 43m.
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$704 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$506 | Average$838 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$525 | Average$736 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$580 | Average$855 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$616 | Average$849 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$715 | Average$1,123 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$729 | Average$805 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$739 | Average$878 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$741 | Average$1,217 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$856 | Average$1,121 | FlexibilityNo cancel fee | On-time75% |