Flights from St. Helens

Cheapest flights from St. Helens

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.

Fri, Nov 6 - Mon, Nov 9

PDX

Portland Intl.

LAX

Los Angeles Intl.

$133 Roundtrip, found 4 hours ago

$133

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Nov 6 from Portland Intl. to Los Angeles Intl., returning Mon, Nov 9, priced at $133 found 4 hours ago

Sun, Sep 20 - Thu, Sep 24

PDX

Portland Intl.

LAS

Harry Reid Intl.

$143 Roundtrip, found 4 days ago

$143

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Sep 20 from Portland Intl. to Harry Reid Intl., returning Thu, Sep 24, priced at $143 found 4 days ago

Sat, Sep 12 - Sat, Sep 12

PDX

Portland Intl.

SFO

San Francisco Intl.

$146 Roundtrip, found 5 days ago

$146

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Sep 12 from Portland Intl. to San Francisco Intl., returning Sat, Sep 12, priced at $146 found 5 days ago

Fri, Nov 6 - Sun, Nov 8

PDX

Portland Intl.

LAX

Los Angeles Intl.

$148 Roundtrip, found 4 hours ago

$148

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Nov 6 from Portland Intl. to Los Angeles Intl., returning Sun, Nov 8, priced at $148 found 4 hours ago

Thu, Sep 10 - Mon, Sep 14

PDX

Portland Intl.

SFO

San Francisco Intl.

$151 Roundtrip, found 5 days ago

$151

Roundtrip

found 5 days ago

Select United flight, departing Thu, Sep 10 from Portland Intl. to San Francisco Intl., returning Mon, Sep 14, priced at $151 found 5 days ago

Mon, Sep 21 - Thu, Sep 24

PDX

Portland Intl.

LAS

Harry Reid Intl.

$153 Roundtrip, found 4 days ago

$153

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Portland Intl. to Harry Reid Intl., returning Thu, Sep 24, priced at $153 found 4 days ago

Fri, Sep 11 - Sat, Sep 12

PDX

Portland Intl.

SFO

San Francisco Intl.

$154 Roundtrip, found 5 days ago

$154

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Fri, Sep 11 from Portland Intl. to San Francisco Intl., returning Sat, Sep 12, priced at $154 found 5 days ago

Sun, Sep 20 - Sat, Sep 26

PDX

Portland Intl.

LAS

Harry Reid Intl.

$158 Roundtrip, found 1 day ago

$158

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Sep 20 from Portland Intl. to Harry Reid Intl., returning Sat, Sep 26, priced at $158 found 1 day ago

Thu, Sep 10 - Mon, Sep 14

PDX

Portland Intl.

SFO

San Francisco Intl.

$161 Roundtrip, found 5 days ago

$161

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Thu, Sep 10 from Portland Intl. to San Francisco Intl., returning Mon, Sep 14, priced at $161 found 5 days ago

Thu, Oct 8 - Thu, Oct 8

PDX

Portland Intl.

SAN

San Diego Intl.

$162 Roundtrip, found 4 days ago

$162

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Oct 8 from Portland Intl. to San Diego Intl., returning Thu, Oct 8, priced at $162 found 4 days ago

Thu, Sep 10 - Mon, Sep 14

PDX

Portland Intl.

SFO

San Francisco Intl.

$171 Roundtrip, found 5 days ago

$171

Roundtrip

found 5 days ago

Select Southwest Airlines flight, departing Thu, Sep 10 from Portland Intl. to San Francisco Intl., returning Mon, Sep 14, priced at $171 found 5 days ago

Tue, Sep 8 - Tue, Sep 15

PDX

Portland Intl.

SFO

San Francisco Intl.

$171 Roundtrip, found 5 days ago

$171

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Sep 8 from Portland Intl. to San Francisco Intl., returning Tue, Sep 15, priced at $171 found 5 days ago

Wed, Oct 7 - Sat, Oct 10

PDX

Portland Intl.

SAN

San Diego Intl.

$217 Roundtrip, found 1 hour ago

$217

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Wed, Oct 7 from Portland Intl. to San Diego Intl., returning Sat, Oct 10, priced at $217 found 1 hour ago

Thu, Sep 24 - Sat, Sep 26

PDX

Portland Intl.

DFW

Dallas-Fort Worth Intl.

$256 Roundtrip, found 2 days ago

$256

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Sep 24 from Portland Intl. to Dallas-Fort Worth Intl., returning Sat, Sep 26, priced at $256 found 2 days ago

Thu, Oct 22 - Fri, Oct 23

PDX

Portland Intl.

PHX

Sky Harbor Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 22 from Portland Intl. to Sky Harbor Intl., returning Fri, Oct 23, priced at $267 found 4 days ago

Wed, Sep 2 - Thu, Sep 10

PDX

Portland Intl.

DAL

Love Field

$272 Roundtrip, found 5 days ago

$272

Roundtrip

found 5 days ago

Select Southwest Airlines flight, departing Wed, Sep 2 from Portland Intl. to Love Field, returning Thu, Sep 10, priced at $272 found 5 days ago

Sat, Nov 7 - Tue, Nov 10

PDX

Portland Intl.

CLD

McClellan-Palomar

$297 Roundtrip, found 18 hours ago

$297

Roundtrip

found 18 hours ago

Select United flight, departing Sat, Nov 7 from Portland Intl. to McClellan-Palomar, returning Tue, Nov 10, priced at $297 found 18 hours ago

Tue, Aug 18 - Fri, Sep 11

PDX

Portland Intl.

BOS

Logan Intl.

$347 Roundtrip, found 2 days ago

$347

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 18 from Portland Intl. to Logan Intl., returning Fri, Sep 11, priced at $347 found 2 days ago

Tue, Sep 29 - Tue, Sep 29

PDX

Portland Intl.

HNL

Daniel K. Inouye Intl.

$451 Roundtrip, found 3 days ago

$451

Roundtrip

found 3 days ago

Select United flight, departing Tue, Sep 29 from Portland Intl. to Daniel K. Inouye Intl., returning Tue, Sep 29, priced at $451 found 3 days ago

Wed, Nov 25 - Sat, Nov 28

PDX

Portland Intl.

BOS

Logan Intl.

$613 Roundtrip, found 1 day ago

$613

Roundtrip

found 1 day ago

Select Sun Country Airlines flight, departing Wed, Nov 25 from Portland Intl. to Logan Intl., returning Sat, Nov 28, priced at $613 found 1 day ago