Flights from Portland to San Bernardino

Cheapest flights from Portland

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.

Sat, Jul 19 - Sat, Jul 26

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$109 Roundtrip, found 6 days ago

$109

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Sat, Jul 26, priced at $109 found 6 days ago

Sat, Jul 19 - Sat, Jul 26

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$128 Roundtrip, found 6 days ago

$128

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Sat, Jul 26, priced at $128 found 6 days ago

Sun, Jul 20 - Tue, Jul 22

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$133 Roundtrip, found 3 days ago

$133

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Portland Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 22, priced at $133 found 3 days ago

Sun, Jul 20 - Sun, Jul 27

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$138 Roundtrip, found 3 days ago

$138

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Portland Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 27, priced at $138 found 3 days ago

Sat, Jul 19 - Tue, Jul 22

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$143 Roundtrip, found 3 days ago

$143

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 22, priced at $143 found 3 days ago

Thu, Aug 7 - Wed, Aug 13

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$147 Roundtrip, found 6 days ago

$147

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Portland Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 13, priced at $147 found 6 days ago

Sat, Jul 19 - Sun, Jul 27

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$148 Roundtrip, found 3 days ago

$148

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 27, priced at $148 found 3 days ago

Sat, Jul 19 - Sat, Jul 26

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$152 Roundtrip, found 6 days ago

$152

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Sat, Jul 26, priced at $152 found 6 days ago

Mon, Jul 14 - Sun, Jul 27

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$153 Roundtrip, found 3 days ago

$153

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Portland Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 27, priced at $153 found 3 days ago

Tue, Aug 5 - Mon, Aug 11

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$158 Roundtrip, found 6 days ago

$158

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Portland Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $158 found 6 days ago

Sat, Jul 19 - Mon, Jul 28

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$161 Roundtrip, found 6 days ago

$161

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Mon, Jul 28, priced at $161 found 6 days ago

Sat, Jul 19 - Thu, Jul 24

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$163 Roundtrip, found 3 days ago

$163

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Los Angeles - Ontario Intl., returning Thu, Jul 24, priced at $163 found 3 days ago

Sun, Jul 20 - Wed, Jul 23

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$166 Roundtrip, found 3 days ago

$166

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Portland Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 23, priced at $166 found 3 days ago

Tue, Aug 5 - Tue, Aug 12

PDX

Portland Intl.

PSP

Palm Springs Intl.

$167 Roundtrip, found 3 days ago

$167

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Aug 5 from Portland Intl. to Palm Springs Intl., returning Tue, Aug 12, priced at $167 found 3 days ago

Tue, Aug 5 - Tue, Aug 12

PDX

Portland Intl.

PSP

Palm Springs Intl.

$168 Roundtrip, found 3 days ago

$168

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Aug 5 from Portland Intl. to Palm Springs Intl., returning Tue, Aug 12, priced at $168 found 3 days ago

Mon, Jul 14 - Thu, Jul 24

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$168 Roundtrip, found 3 days ago

$168

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Portland Intl. to Los Angeles - Ontario Intl., returning Thu, Jul 24, priced at $168 found 3 days ago

Tue, Aug 5 - Tue, Aug 12

PDX

Portland Intl.

PSP

Palm Springs Intl.

$214 Roundtrip, found 3 days ago

$214

Roundtrip

found 3 days ago

Select United flight, departing Tue, Aug 5 from Portland Intl. to Palm Springs Intl., returning Tue, Aug 12, priced at $214 found 3 days ago

Tue, Aug 5 - Tue, Aug 12

PDX

Portland Intl.

PSP

Palm Springs Intl.

$225 Roundtrip, found 3 days ago

$225

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Aug 5 from Portland Intl. to Palm Springs Intl., returning Tue, Aug 12, priced at $225 found 3 days ago

Thu, Jul 17 - Tue, Jul 29

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$228 Roundtrip, found 2 days ago

$228

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 17 from Portland Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 29, priced at $228 found 2 days ago

Wed, Nov 26 - Thu, Dec 4

PDX

Portland Intl.

ONT

Los Angeles - Ontario Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Nov 26 from Portland Intl. to Los Angeles - Ontario Intl., returning Thu, Dec 4, priced at $247 found 1 day ago