For efficient check-in, verify your airline’s terminal before arriving. Terminals are spread out, and only some are connected by indoor walkways.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $289 (United Airlines) |
One-way from | $158 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $402 |
Good round-trip deal | $388 or less |
Good one-way deal | $258 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
jeu. 11/20
6:25 am-9:45 am
Nonstop6h 20m
San Francisco
dim. 11/23
10:45 pm-9:46 am
1 stop8h 01m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
lun. 11/24
5:30 am-12:30 pm
1 stop10h 00m
San Francisco
mar. 12/2
6:00 am-5:40 pm
1 stop8h 40m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
mer. 12/17
12:37 pm-6:16 pm
1 stop8h 39m
San Francisco
mar. 1/20
10:54 pm-8:52 am
1 stop6h 58m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
jeu. 12/4
6:18 am-11:27 am
1 stop8h 09m
San Francisco
lun. 12/8
12:30 am-10:53 am
1 stop7h 23m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
sam. 12/20
5:00 pm-10:55 pm
1 stop8h 55m
San Francisco
dim. 12/28
6:28 pm-5:32 am
1 stop8h 04m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
ven. 12/19
6:55 am-12:36 pm
1 stop8h 41m
San Francisco
mar. 1/20
12:46 pm-11:57 pm
1 stop8h 11m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
ven. 12/19
6:55 am-12:36 pm
1 stop8h 41m
San Francisco
mar. 12/30
7:20 pm-5:50 am
1 stop7h 30m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
mer. 12/24
6:25 pm-9:50 pm
Nonstop6h 25m
San Francisco
lun. 12/29
10:40 pm-7:04 am
Nonstop5h 24m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
dim. 11/23
5:45 am-11:05 am
1 stop8h 20m
San Francisco
sam. 12/6
7:35 am-8:35 pm
2 stops10h 00m
PhiladelphiaSan Francisco
PHL - SFO
PHLSFO
Philadelphia
lun. 11/10
6:25 pm-9:50 pm
Nonstop6h 25m
San Francisco
sam. 11/15
6:45 am-7:05 pm
1 stop9h 20m
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Philadelphia to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of $71). Flying from Philadelphia to San Francisco 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.
It’s typically best to fly out from Philadelphia to San Francisco at noon. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Philadelphia to San Francisco flight should consider departing on Wednesday at noon 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.
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$225 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$416 | FlexibilityNo cancel fee | On-time69% |