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 20 hours ago

$110

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 16, priced at $110 found 20 hours ago

Fri, Jul 4 - Wed, Jul 16

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$120 Roundtrip, found 20 hours ago

$120

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 16, priced at $120 found 20 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$130 Roundtrip, found 6 days ago

$130

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $130 found 6 days ago

Wed, Jul 9 - Mon, Jul 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$155 Roundtrip, found 20 hours ago

$155

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Sky Harbor Intl. to Portland Intl., returning Mon, Jul 14, priced at $155 found 20 hours ago

Wed, Jul 9 - Fri, Jul 11

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$160 Roundtrip, found 20 hours ago

$160

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Sky Harbor Intl. to Portland Intl., returning Fri, Jul 11, priced at $160 found 20 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$165 Roundtrip, found 6 days ago

$165

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $165 found 6 days ago

Fri, Jul 4 - Mon, Jul 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$165 Roundtrip, found 20 hours ago

$165

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Mon, Jul 14, priced at $165 found 20 hours ago

Fri, Jul 4 - Fri, Jul 11

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$170 Roundtrip, found 20 hours ago

$170

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Fri, Jul 11, priced at $170 found 20 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$175 Roundtrip, found 6 days ago

$175

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $175 found 6 days ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$177 Roundtrip, found 6 days ago

$177

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $177 found 6 days ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$187 Roundtrip, found 6 days ago

$187

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $187 found 6 days ago

Sat, Jul 5 - Sat, Jul 12

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$189 Roundtrip, found 20 hours ago

$189

Roundtrip

found 20 hours ago

Select Hawaiian Airlines flight, departing Sat, Jul 5 from Sky Harbor Intl. to Portland Intl., returning Sat, Jul 12, priced at $189 found 20 hours ago

Fri, Jun 27 - Wed, Jul 2

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 27 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 2, priced at $190 found 1 day ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$195 Roundtrip, found 6 days ago

$195

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $195 found 6 days ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$199 Roundtrip, found 6 days ago

$199

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $199 found 6 days ago

Mon, Jul 7 - Mon, Jul 14

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$200 Roundtrip, found 20 hours ago

$200

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Mon, Jul 7 from Sky Harbor Intl. to Portland Intl., returning Mon, Jul 14, priced at $200 found 20 hours ago

Fri, Jul 4 - Sat, Jul 12

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$209 Roundtrip, found 20 hours ago

$209

Roundtrip

found 20 hours ago

Select Delta flight, departing Fri, Jul 4 from Sky Harbor Intl. to Portland Intl., returning Sat, Jul 12, priced at $209 found 20 hours ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$223 Roundtrip, found 6 days ago

$223

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $223 found 6 days ago

Wed, Jun 25 - Wed, Jul 23

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$243 Roundtrip, found 6 days ago

$243

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jun 25 from Sky Harbor Intl. to Portland Intl., returning Wed, Jul 23, priced at $243 found 6 days ago

Sun, May 4 - Wed, May 7

PHX

Sky Harbor Intl.

PDX

Portland Intl.

$282 Roundtrip, found 1 day ago

$282

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, May 4 from Sky Harbor Intl. to Portland Intl., returning Wed, May 7, priced at $282 found 1 day ago