$45 Cheap Frontier Airlines flights Phoenix (PHX) to San Francisco (SFO)

$45 Cheap Frontier Airlines flights Phoenix (PHX) to San Francisco (SFO)

Prices were available within the past 7 days and start at $45 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 31 - Thu, Aug 7

PHX

Phoenix

SFO

San Francisco

$90 Roundtrip, found 21 hours ago

$90

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Phoenix to San Francisco, returning Thu, Aug 7, priced at $90 found 21 hours ago

Sat, Jul 26 - Sat, Jul 26

PHX

Phoenix

SFO

San Francisco

$95 Roundtrip, found 1 day ago

$95

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Phoenix to San Francisco, returning Sat, Jul 26, priced at $95 found 1 day ago

Fri, Jul 25 - Mon, Jul 28

PHX

Phoenix

SFO

San Francisco

$101 Roundtrip, found 1 day ago

$101

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Phoenix to San Francisco, returning Mon, Jul 28, priced at $101 found 1 day ago

Fri, Aug 1 - Thu, Aug 7

PHX

Phoenix

SFO

San Francisco

$105 Roundtrip, found 21 hours ago

$105

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Phoenix to San Francisco, returning Thu, Aug 7, priced at $105 found 21 hours ago

Fri, Jul 25 - Sat, Jul 26

PHX

Phoenix

SFO

San Francisco

$110 Roundtrip, found 1 day ago

$110

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Phoenix to San Francisco, returning Sat, Jul 26, priced at $110 found 1 day ago

Fri, Aug 1 - Sun, Aug 3

PHX

Phoenix

SFO

San Francisco

$120 Roundtrip, found 21 hours ago

$120

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Phoenix to San Francisco, returning Sun, Aug 3, priced at $120 found 21 hours ago