Flights from Westminster

Cheapest flights from Westminster

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, Aug 25 - Sat, Aug 29

ONT

Ontario Intl. Airport

SFO

San Francisco Intl.

$56 Roundtrip, found 17 hours ago

$56

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Ontario Intl. Airport to San Francisco Intl., returning Sat, Aug 29, priced at $56 found 17 hours ago

Tue, Sep 22 - Wed, Sep 30

LAX

Los Angeles Intl.

SFO

San Francisco Intl.

$56 Roundtrip, found 12 hours ago

$56

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Sep 22 from Los Angeles Intl. to San Francisco Intl., returning Wed, Sep 30, priced at $56 found 12 hours ago

Wed, Oct 14 - Wed, Oct 21

LAX

Los Angeles Intl.

LAS

Harry Reid Intl.

$56 Roundtrip, found 6 hours ago

$56

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Wed, Oct 14 from Los Angeles Intl. to Harry Reid Intl., returning Wed, Oct 21, priced at $56 found 6 hours ago

Thu, Sep 24 - Thu, Oct 1

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$104 Roundtrip, found 13 hours ago

$104

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Sep 24 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Thu, Oct 1, priced at $104 found 13 hours ago

Sat, Sep 26 - Mon, Sep 28

SNA

John Wayne

LAS

Harry Reid Intl.

$117 Roundtrip, found 20 hours ago

$117

Roundtrip

found 20 hours ago

Select Breeze Airways flight, departing Sat, Sep 26 from John Wayne to Harry Reid Intl., returning Mon, Sep 28, priced at $117 found 20 hours ago

Wed, Sep 23 - Sat, Oct 3

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$118 Roundtrip, found 13 hours ago

$118

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Wed, Sep 23 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Sat, Oct 3, priced at $118 found 13 hours ago

Tue, Oct 13 - Tue, Oct 20

LGB

Long Beach Municipal

LAS

Harry Reid Intl.

$139 Roundtrip, found 1 day ago

$139

Roundtrip

found 1 day ago

Select Southwest Airlines flight, departing Tue, Oct 13 from Long Beach Municipal to Harry Reid Intl., returning Tue, Oct 20, priced at $139 found 1 day ago

Thu, Sep 24 - Mon, Sep 28

SNA

John Wayne

SFO

San Francisco Intl.

$158 Roundtrip, found 1 day ago

$158

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Sep 24 from John Wayne to San Francisco Intl., returning Mon, Sep 28, priced at $158 found 1 day ago

Tue, Sep 22 - Tue, Sep 29

LGB

Long Beach Municipal

SEA

Seattle - Tacoma Intl.

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 22 from Long Beach Municipal to Seattle - Tacoma Intl., returning Tue, Sep 29, priced at $167 found 1 day ago

Tue, Aug 18 - Sat, Aug 22

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$176 Roundtrip, found 6 hours ago

$176

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Aug 18 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Sat, Aug 22, priced at $176 found 6 hours ago

Tue, Sep 1 - Tue, Sep 15

LAX

Los Angeles Intl.

PAE

Seattle Paine Field Intl. Airport

$197 Roundtrip, found 6 days ago

$197

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Sep 1 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Tue, Sep 15, priced at $197 found 6 days ago

Fri, Oct 16 - Mon, Oct 19

SNA

John Wayne

DFW

Dallas-Fort Worth Intl.

$215 Roundtrip, found 20 hours ago

$215

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Oct 16 from John Wayne to Dallas-Fort Worth Intl., returning Mon, Oct 19, priced at $215 found 20 hours ago

Sat, Aug 22 - Sun, Aug 23

LAX

Los Angeles Intl.

DFW

Dallas-Fort Worth Intl.

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 22 from Los Angeles Intl. to Dallas-Fort Worth Intl., returning Sun, Aug 23, priced at $238 found 2 days ago

Sat, Sep 5 - Sat, Sep 12

ONT

Ontario Intl. Airport

PAE

Seattle Paine Field Intl. Airport

$247 Roundtrip, found 20 hours ago

$247

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Sat, Sep 5 from Ontario Intl. Airport to Seattle Paine Field Intl. Airport, returning Sat, Sep 12, priced at $247 found 20 hours ago

Wed, Aug 19 - Wed, Aug 26

ONT

Ontario Intl. Airport

DAL

Love Field

$255 Roundtrip, found 20 hours ago

$255

Roundtrip

found 20 hours ago

Select Southwest Airlines flight, departing Wed, Aug 19 from Ontario Intl. Airport to Love Field, returning Wed, Aug 26, priced at $255 found 20 hours ago

Tue, Aug 18 - Tue, Sep 1

LAX

Los Angeles Intl.

MIA

Miami Intl.

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from Los Angeles Intl. to Miami Intl., returning Tue, Sep 1, priced at $258 found 2 days ago

Tue, Sep 22 - Tue, Sep 29

LAX

Los Angeles Intl.

EWR

Newark Liberty Intl. Airport

$266 Roundtrip, found 12 hours ago

$266

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Sep 22 from Los Angeles Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 29, priced at $266 found 12 hours ago

Wed, Aug 26 - Wed, Sep 2

ONT

Ontario Intl. Airport

LGA

LaGuardia

$268 Roundtrip, found 4 days ago

$268

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Aug 26 from Ontario Intl. Airport to LaGuardia, returning Wed, Sep 2, priced at $268 found 4 days ago

Thu, Aug 20 - Wed, Sep 9

ONT

Ontario Intl. Airport

MIA

Miami Intl.

$274 Roundtrip, found 2 days ago

$274

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 20 from Ontario Intl. Airport to Miami Intl., returning Wed, Sep 9, priced at $274 found 2 days ago

Sat, Oct 24 - Sat, Nov 7

ONT

Ontario Intl. Airport

JFK

John F. Kennedy Intl.

$277 Roundtrip, found 6 days ago

$277

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Oct 24 from Ontario Intl. Airport to John F. Kennedy Intl., returning Sat, Nov 7, priced at $277 found 6 days ago