Cheap United 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.

Tue, Sep 22 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$117 Roundtrip, just found

$117

Roundtrip

just found

Select United flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $117 just found

Mon, Sep 28 - Tue, Sep 29

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$123 Roundtrip, found 19 hours ago

$123

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Sep 28 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 29, priced at $123 found 19 hours ago

Wed, Sep 23 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$124 Roundtrip, found 1 day ago

$124

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 23 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $124 found 1 day ago

Tue, Sep 22 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$127 Roundtrip, just found

$127

Roundtrip

just found

Select United flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $127 just found

Mon, Sep 28 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$139 Roundtrip, found 21 hours ago

$139

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Sep 28 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $139 found 21 hours ago

Mon, Dec 21 - Fri, Dec 25

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$145 Roundtrip, found 2 days ago

$145

Roundtrip

found 2 days ago

Select United flight, departing Mon, Dec 21 from Los Angeles Intl. to San Francisco Intl., returning Fri, Dec 25, priced at $145 found 2 days ago

Mon, Sep 28 - Tue, Sep 29

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$150 Roundtrip, found 19 hours ago

$150

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Sep 28 from Los Angeles Intl. to San Francisco Intl., returning Tue, Sep 29, priced at $150 found 19 hours ago

Wed, Sep 23 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 23 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $152 found 1 day ago

Tue, Sep 22 - Thu, Sep 24

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$155 Roundtrip, found 1 day ago

$155

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Thu, Sep 24, priced at $155 found 1 day ago

Tue, Sep 22 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$161 Roundtrip, just found

$161

Roundtrip

just found

Select United flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $161 just found

Mon, Sep 28 - Thu, Oct 1

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$221 Roundtrip, found 1 hour ago

$221

Roundtrip

found 1 hour ago

Select United flight, departing Mon, Sep 28 from Los Angeles Intl. to Harry Reid Intl., returning Thu, Oct 1, priced at $221 found 1 hour ago

Tue, Nov 17 - Tue, Dec 1

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$227 Roundtrip, found 1 hour ago

$227

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Nov 17 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Dec 1, priced at $227 found 1 hour ago

Fri, Oct 23 - Sat, Oct 24

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$236 Roundtrip, found 2 days ago

$236

Roundtrip

found 2 days ago

Select United flight, departing Fri, Oct 23 from Los Angeles Intl. to Harry Reid Intl., returning Sat, Oct 24, priced at $236 found 2 days ago

Tue, Nov 17 - Tue, Dec 1

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, found 1 hour ago

$237

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Nov 17 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Dec 1, priced at $237 found 1 hour ago

Sun, Nov 15 - Fri, Dec 4

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$247 Roundtrip, found 1 hour ago

$247

Roundtrip

found 1 hour ago

Select United flight, departing Sun, Nov 15 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Dec 4, priced at $247 found 1 hour ago

Tue, Nov 17 - Tue, Dec 1

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$256 Roundtrip, found 1 hour ago

$256

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Nov 17 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Dec 1, priced at $256 found 1 hour ago

Sun, Dec 13 - Thu, Dec 31

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$257 Roundtrip, found 17 hours ago

$257

Roundtrip

found 17 hours ago

Select United flight, departing Sun, Dec 13 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Thu, Dec 31, priced at $257 found 17 hours ago

Tue, Sep 29 - Sat, Oct 10

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$261 Roundtrip, found 2 days ago

$261

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 29 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 10, priced at $261 found 2 days ago

Sat, Oct 31 - Fri, Nov 13

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$264 Roundtrip, found 4 days ago

$264

Roundtrip

found 4 days ago

Select United flight, departing Sat, Oct 31 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Nov 13, priced at $264 found 4 days ago

Sat, Sep 26 - Wed, Sep 30

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$267 Roundtrip, found 6 hours ago

$267

Roundtrip

found 6 hours ago

Select United flight, departing Sat, Sep 26 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Sep 30, priced at $267 found 6 hours ago