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, Jul 29 - Tue, Aug 4

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$66 Roundtrip, found 2 hours ago

$66

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Los Angeles Intl. to San Francisco Intl., returning Tue, Aug 4, priced at $66 found 2 hours ago

Tue, Aug 11 - Tue, Aug 25

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$66 Roundtrip, found 4 hours ago

$66

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Aug 11 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Aug 25, priced at $66 found 4 hours ago

Tue, Aug 11 - Tue, Aug 25

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$79 Roundtrip, found 4 hours ago

$79

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Aug 11 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Aug 25, priced at $79 found 4 hours ago

Tue, Jul 28 - Tue, Aug 11

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$80 Roundtrip, found 2 hours ago

$80

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Tue, Jul 28 from Los Angeles Intl. to San Francisco Intl., returning Tue, Aug 11, priced at $80 found 2 hours ago

Wed, Sep 16 - Tue, Sep 22

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$83 Roundtrip, found 20 hours ago

$83

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 22, priced at $83 found 20 hours ago

Tue, Aug 11 - Thu, Aug 13

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$84 Roundtrip, found 2 days ago

$84

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Aug 11 from Los Angeles Intl. to San Francisco Intl., returning Thu, Aug 13, priced at $84 found 2 days ago

Tue, Jul 28 - Thu, Aug 20

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$91 Roundtrip, found 20 hours ago

$91

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Jul 28 from Los Angeles Intl. to Harry Reid Intl., returning Thu, Aug 20, priced at $91 found 20 hours ago

Tue, Aug 25 - Tue, Sep 1

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$92 Roundtrip, found 20 hours ago

$92

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Sep 1, priced at $92 found 20 hours ago

Tue, Aug 11 - Tue, Aug 25

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$95 Roundtrip, found 4 hours ago

$95

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Aug 11 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Aug 25, priced at $95 found 4 hours ago

Sun, Sep 6 - Wed, Sep 23

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$97 Roundtrip, found 5 days ago

$97

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Sep 6 from Los Angeles Intl. to Harry Reid Intl., returning Wed, Sep 23, priced at $97 found 5 days ago

Wed, Sep 16 - Wed, Sep 23

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$97 Roundtrip, found 20 hours ago

$97

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 23, priced at $97 found 20 hours ago

Mon, Sep 21 - Tue, Sep 22

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$99 Roundtrip, found 20 hours ago

$99

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 22, priced at $99 found 20 hours ago

Tue, Jul 28 - Thu, Aug 20

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$104 Roundtrip, found 20 hours ago

$104

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Jul 28 from Los Angeles Intl. to Harry Reid Intl., returning Thu, Aug 20, priced at $104 found 20 hours ago

Fri, Sep 18 - Tue, Sep 22

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$107 Roundtrip, found 20 hours ago

$107

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Sep 18 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 22, priced at $107 found 20 hours ago

Tue, Aug 11 - Tue, Aug 25

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$108 Roundtrip, found 4 hours ago

$108

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Aug 11 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Aug 25, priced at $108 found 4 hours ago

Thu, Sep 24 - Sat, Sep 26

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$110 Roundtrip, found 16 hours ago

$110

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Sep 24 from Los Angeles Intl. to San Francisco Intl., returning Sat, Sep 26, priced at $110 found 16 hours ago

Fri, Sep 25 - Mon, Sep 28

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$112 Roundtrip, found 5 days ago

$112

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Sep 25 from Los Angeles Intl. to Harry Reid Intl., returning Mon, Sep 28, priced at $112 found 5 days ago

Mon, Sep 21 - Wed, Sep 23

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$113 Roundtrip, found 2 days ago

$113

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 23, priced at $113 found 2 days ago

Wed, Sep 16 - Sat, Sep 26

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$114 Roundtrip, found 2 days ago

$114

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to San Francisco Intl., returning Sat, Sep 26, priced at $114 found 2 days ago

Wed, Sep 16 - Mon, Sep 28

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$115 Roundtrip, found 20 hours ago

$115

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to San Francisco Intl., returning Mon, Sep 28, priced at $115 found 20 hours ago