$187 Cheap Delta flights Philadelphia (PHL) to San Francisco (SFO)

View $187 flight on Sat, May 9, 2026Opens in a new window

$187 Cheap Delta flights Philadelphia (PHL) to San Francisco (SFO)

Prices were available within the past 7 days and start at $187 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Mar 25 - Tue, Mar 31
PHL
Philadelphia
SFO
San Francisco
$309 Roundtrip, found 21 hours ago
$309
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Mar 25 from Philadelphia to San Francisco, returning Tue, Mar 31, priced at $309 found 21 hours ago
Delta
Wed, Mar 25 - Mon, Apr 6
PHL
Philadelphia
SFO
San Francisco
$334 Roundtrip, found 21 hours ago
$334
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Mar 25 from Philadelphia to San Francisco, returning Mon, Apr 6, priced at $334 found 21 hours ago

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

April is typically the cheapest month to fly

From $140 - $374 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, United
Popular airline
Delta
Distance
4025 km
Average flight time
3 hours 30 mins

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