Cheap Frontier Airlines Airfare & Plane Tickets

Top Flight Deals

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 18 - Sat, Dec 5

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$56 Roundtrip, found 2 hours ago

$56

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Wed, Nov 18 from Los Angeles Intl. to San Francisco Intl., returning Sat, Dec 5, priced at $56 found 2 hours ago

Sat, Nov 21 - Mon, Dec 7

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$62 Roundtrip, found 2 hours ago

$62

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Mon, Dec 7, priced at $62 found 2 hours ago

Sat, Nov 21 - Tue, Dec 1

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$77 Roundtrip, found 2 hours ago

$77

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Tue, Dec 1, priced at $77 found 2 hours ago

Sat, Nov 21 - Mon, Dec 7

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$83 Roundtrip, found 2 hours ago

$83

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Mon, Dec 7, priced at $83 found 2 hours ago

Sat, Nov 21 - Tue, Dec 1

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$87 Roundtrip, found 2 hours ago

$87

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Tue, Dec 1, priced at $87 found 2 hours ago

Fri, Oct 30 - Tue, Nov 10

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$97 Roundtrip, found 2 hours ago

$97

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Fri, Oct 30 from Los Angeles Intl. to San Francisco Intl., returning Tue, Nov 10, priced at $97 found 2 hours ago

Sat, Nov 21 - Tue, Dec 1

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$98 Roundtrip, found 2 hours ago

$98

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Tue, Dec 1, priced at $98 found 2 hours ago

Sat, Nov 21 - Mon, Dec 7

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$107 Roundtrip, found 2 hours ago

$107

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Mon, Dec 7, priced at $107 found 2 hours ago

Sat, Nov 21 - Tue, Dec 1

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$108 Roundtrip, found 2 hours ago

$108

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Tue, Dec 1, priced at $108 found 2 hours ago

Thu, Nov 19 - Sat, Dec 5

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$112 Roundtrip, found 6 days ago

$112

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Nov 19 from Los Angeles Intl. to San Francisco Intl., returning Sat, Dec 5, priced at $112 found 6 days ago

Sun, Nov 1 - Sat, Nov 7

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$118 Roundtrip, found 2 hours ago

$118

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sun, Nov 1 from Los Angeles Intl. to San Francisco Intl., returning Sat, Nov 7, priced at $118 found 2 hours ago

Tue, Nov 24 - Wed, Dec 2

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$122 Roundtrip, found 2 hours ago

$122

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Tue, Nov 24 from Los Angeles Intl. to San Francisco Intl., returning Wed, Dec 2, priced at $122 found 2 hours ago

Sat, Nov 21 - Mon, Dec 7

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$128 Roundtrip, found 2 hours ago

$128

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Mon, Dec 7, priced at $128 found 2 hours ago

Thu, Nov 26 - Tue, Dec 1

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$133 Roundtrip, found 11 hours ago

$133

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Thu, Nov 26 from Los Angeles Intl. to San Francisco Intl., returning Tue, Dec 1, priced at $133 found 11 hours ago

Sat, Nov 7 - Tue, Nov 17

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$137 Roundtrip, found 2 hours ago

$137

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Nov 7 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Nov 17, priced at $137 found 2 hours ago

Fri, Nov 27 - Mon, Nov 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$138 Roundtrip, found 3 days ago

$138

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Nov 27 from Los Angeles Intl. to San Francisco Intl., returning Mon, Nov 30, priced at $138 found 3 days ago

Sat, Nov 21 - Mon, Nov 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$142 Roundtrip, found 5 days ago

$142

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Los Angeles Intl. to San Francisco Intl., returning Mon, Nov 30, priced at $142 found 5 days ago

Tue, Nov 24 - Sun, Dec 6

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$143 Roundtrip, found 2 hours ago

$143

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Tue, Nov 24 from Los Angeles Intl. to San Francisco Intl., returning Sun, Dec 6, priced at $143 found 2 hours ago

Sun, Dec 20 - Wed, Dec 30

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Dec 20 from Los Angeles Intl. to Harry Reid Intl., returning Wed, Dec 30, priced at $157 found 4 days ago

Thu, Oct 29 - Thu, Nov 5

LAX

Los Angeles Intl.

MIA

Miami Intl.

$218 Roundtrip, found 4 days ago

$218

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Oct 29 from Los Angeles Intl. to Miami Intl., returning Thu, Nov 5, priced at $218 found 4 days ago