Flights from Phoenix to St. Helens

Cheapest flights from Phoenix

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 9 - Wed, Jul 16

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$110 Roundtrip, found 4 days ago

$110

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 16, priced at $110 found 4 days ago

Fri, Jul 4 - Wed, Jul 16

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$120 Roundtrip, found 4 days ago

$120

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 16, priced at $120 found 4 days ago

Fri, Jun 13 - Sat, Jun 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$146 Roundtrip, found 4 hours ago

$146

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Fri, Jun 13 from Sky Harbor Intl. to Portland Intl., returning Sat, Jun 14, priced at $146 found 4 hours ago

Fri, Jun 13 - Wed, Jun 25

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$147 Roundtrip, found 4 hours ago

$147

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Sky Harbor Intl. to Portland Intl., returning Wed, Jun 25, priced at $147 found 4 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $148 found 1 day ago

Wed, Jul 9 - Mon, Jul 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$155 Roundtrip, found 4 days ago

$155

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Sky Harbor Intl. to Portland Intl., returning Mon, Jul 14, priced at $155 found 4 days ago

Thu, Jun 12 - Sun, Jun 22

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$160 Roundtrip, found 4 hours ago

$160

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Thu, Jun 12 from Sky Harbor Intl. to Portland Intl., returning Sun, Jun 22, priced at $160 found 4 hours ago

Wed, Jul 23 - Wed, Aug 6

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$160 Roundtrip, found 19 hours ago

$160

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Portland Intl., returning Wed, Aug 6, priced at $160 found 19 hours ago

Fri, Jul 4 - Mon, Jul 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$165 Roundtrip, found 4 days ago

$165

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Mon, Jul 14, priced at $165 found 4 days ago

Fri, Jul 4 - Fri, Jul 11

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$170 Roundtrip, found 4 days ago

$170

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Fri, Jul 11, priced at $170 found 4 days ago

Fri, Jun 13 - Mon, Jun 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$172 Roundtrip, found 4 hours ago

$172

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Sky Harbor Intl. to Portland Intl., returning Mon, Jun 23, priced at $172 found 4 hours ago

Wed, Jul 23 - Mon, Aug 11

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$173 Roundtrip, found 19 hours ago

$173

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Portland Intl., returning Mon, Aug 11, priced at $173 found 19 hours ago

Fri, Jun 13 - Fri, Jun 20

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$177 Roundtrip, found 4 hours ago

$177

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Sky Harbor Intl. to Portland Intl., returning Fri, Jun 20, priced at $177 found 4 hours ago

Wed, Jun 25 - Fri, Jul 25

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$178 Roundtrip, found 1 day ago

$178

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Fri, Jul 25, priced at $178 found 1 day ago

Wed, Jul 23 - Fri, Aug 8

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$180 Roundtrip, found 19 hours ago

$180

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Portland Intl., returning Fri, Aug 8, priced at $180 found 19 hours ago

Sat, Jul 5 - Sat, Jul 12

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$189 Roundtrip, found 4 days ago

$189

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Sat, Jul 5 from Sky Harbor Intl. to Portland Intl., returning Sat, Jul 12, priced at $189 found 4 days ago

Fri, Jun 13 - Sat, Jun 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$207 Roundtrip, found 4 hours ago

$207

Roundtrip

found 4 hours ago

Select Delta flight, departing Fri, Jun 13 from Sky Harbor Intl. to Portland Intl., returning Sat, Jun 14, priced at $207 found 4 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $209 found 1 day ago

Sat, Jul 26 - Sat, Aug 9

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$211 Roundtrip, found 19 hours ago

$211

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Sat, Jul 26 from Sky Harbor Intl. to Portland Intl., returning Sat, Aug 9, priced at $211 found 19 hours ago

Sat, Jul 26 - Sat, Aug 9

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$243 Roundtrip, found 19 hours ago

$243

Roundtrip

found 19 hours ago

Select United flight, departing Sat, Jul 26 from Sky Harbor Intl. to Portland Intl., returning Sat, Aug 9, priced at $243 found 19 hours ago