
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $289 (United Airlines) |
One-way from | $159 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $435 |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Mon 12/15
6:15 am-9:40 am
Nonstop6h 25m
San Francisco
Thu 1/1
8:47 pm-5:11 am
Nonstop5h 24m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 11/22
6:25 pm-9:50 pm
Nonstop6h 25m
San Francisco
Sun 11/23
11:44 pm-10:24 am
1 stop7h 40m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Wed 12/10
6:15 am-9:40 am
Nonstop6h 25m
San Francisco
Sat 12/13
10:45 pm-9:35 am
1 stop7h 50m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 12/13
5:07 pm-10:37 pm
1 stop8h 30m
San Francisco
Mon 1/5
10:40 pm-7:04 am
Nonstop5h 24m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Mon 11/24
8:00 pm-1:15 am
1 stop8h 15m
San Francisco
Sun 1/4
10:40 pm-7:04 am
Nonstop5h 24m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 1/15
8:35 am-12:03 pm
Nonstop6h 28m
San Francisco
Tue 1/20
5:00 am-3:50 pm
1 stop7h 50m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 12/6
7:06 am-3:46 pm
1 stop11h 40m
San Francisco
Fri 12/12
6:20 pm-5:46 am
1 stop8h 26m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 11/27
6:14 am-11:17 am
1 stop8h 03m
San Francisco
Wed 12/3
11:56 am-11:57 pm
1 stop9h 01m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Sat 1/31
12:16 pm-5:43 pm
1 stop8h 27m
San Francisco
Tue 2/3
10:54 pm-8:52 am
1 stop6h 58m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
Thu 3/12
3:15 pm-11:00 pm
1 stop10h 45m
San Francisco
Mon 3/16
7:00 pm-5:39 am
1 stop7h 39m
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Fremont (average of $71). Flying from Philadelphia to Fremont in May is currently the most expensive (average of $187). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Philadelphia to Fremont by exploring options for tickets at noon.
Travelers seeking maximum savings on their Philadelphia to Fremont flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Overall
Food
Entertainment
Crew
Boarding
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$291 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$137 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$365 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$347 | FlexibilityNo cancel fee | On-timeN/A |