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.

Mon, Sep 21 - Sat, Sep 26

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$70 Roundtrip, found 16 hours ago

$70

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Los Angeles Intl. to San Francisco Intl., returning Sat, Sep 26, priced at $70 found 16 hours ago

Sat, Sep 26 - Mon, Sep 28

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$70 Roundtrip, found 20 hours ago

$70

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Sep 26 from Los Angeles Intl. to Harry Reid Intl., returning Mon, Sep 28, priced at $70 found 20 hours ago

Sat, Sep 5 - Sun, Sep 6

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$73 Roundtrip, just found

$73

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Sep 5 from Los Angeles Intl. to San Francisco Intl., returning Sun, Sep 6, priced at $73 just found

Tue, Oct 6 - Tue, Oct 27

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$74 Roundtrip, found 2 days ago

$74

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 6 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Oct 27, priced at $74 found 2 days ago

Wed, Sep 16 - Tue, Sep 22

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$75 Roundtrip, found 11 hours ago

$75

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 22, priced at $75 found 11 hours ago

Mon, Oct 19 - Sat, Oct 24

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$81 Roundtrip, found 1 day ago

$81

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 19 from Los Angeles Intl. to Harry Reid Intl., returning Sat, Oct 24, priced at $81 found 1 day ago

Tue, Sep 22 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$84 Roundtrip, found 21 hours ago

$84

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $84 found 21 hours ago

Sat, Oct 3 - Mon, Oct 5

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$86 Roundtrip, found 2 days ago

$86

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Oct 3 from Los Angeles Intl. to San Francisco Intl., returning Mon, Oct 5, priced at $86 found 2 days ago

Tue, Sep 1 - Fri, Sep 11

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$88 Roundtrip, found 13 hours ago

$88

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Sep 1 from Los Angeles Intl. to San Francisco Intl., returning Fri, Sep 11, priced at $88 found 13 hours ago

Sat, Sep 26 - Wed, Sep 30

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$89 Roundtrip, just found

$89

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Sep 26 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Sep 30, priced at $89 just found

Thu, Oct 22 - Tue, Oct 27

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$92 Roundtrip, found 2 days ago

$92

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Oct 22 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Oct 27, priced at $92 found 2 days ago

Sat, Sep 5 - Tue, Sep 8

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$95 Roundtrip, found 1 day ago

$95

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Sep 5 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 8, priced at $95 found 1 day ago

Tue, Sep 1 - Sun, Sep 6

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$99 Roundtrip, found 10 hours ago

$99

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Tue, Sep 1 from Los Angeles Intl. to San Francisco Intl., returning Sun, Sep 6, priced at $99 found 10 hours ago

Wed, Sep 2 - Wed, Sep 9

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$99 Roundtrip, found 1 day ago

$99

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Sep 2 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 9, priced at $99 found 1 day ago

Tue, Sep 22 - Fri, Sep 25

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$101 Roundtrip, found 20 hours ago

$101

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Sep 22 from Los Angeles Intl. to Harry Reid Intl., returning Fri, Sep 25, priced at $101 found 20 hours ago

Wed, Oct 14 - Sun, Nov 1

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$104 Roundtrip, found 2 days ago

$104

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Oct 14 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sun, Nov 1, priced at $104 found 2 days ago

Mon, Oct 19 - Fri, Oct 23

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$106 Roundtrip, found 2 days ago

$106

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Oct 19 from Los Angeles Intl. to Harry Reid Intl., returning Fri, Oct 23, priced at $106 found 2 days ago

Tue, Oct 6 - Sat, Oct 24

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$111 Roundtrip, found 2 days ago

$111

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 6 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 24, priced at $111 found 2 days ago

Fri, Oct 23 - Tue, Oct 27

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$112 Roundtrip, found 2 days ago

$112

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 23 from Los Angeles Intl. to Harry Reid Intl., returning Tue, Oct 27, priced at $112 found 2 days ago

Tue, Oct 6 - Fri, Oct 23

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$116 Roundtrip, found 2 days ago

$116

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 6 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Oct 23, priced at $116 found 2 days ago