$304 Cheap United flights Philadelphia (PHL) to San Francisco (SFO)

View $304 flight on Wed, Jul 29, 2026Opens in a new window

$304 Cheap United flights Philadelphia (PHL) to San Francisco (SFO)

Prices were available within the past 7 days and start at $304 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jun 5 - Fri, Jun 12
PHL
Philadelphia
SFO
San Francisco
$389 Roundtrip, found 6 hours ago
$389
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jun 5 from Philadelphia to San Francisco, returning Fri, Jun 12, priced at $389 found 6 hours ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $300
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $300

Find the cheapest month to fly from Philadelphia (PHL) to San Francisco (SFO)

May is typically the cheapest month to fly

From $200 - $330 per traveler.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Frontier Airlines
Distance
4025 km
Average flight time
3 hours 13 mins

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