Flights from Seattle to Running Springs

Cheapest flights from Seattle

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, May 24 - Tue, May 27

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$98 Roundtrip, found 6 days ago

$98

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, May 27, priced at $98 found 6 days ago

Sat, May 24 - Wed, May 28

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$100 Roundtrip, found 6 days ago

$100

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Wed, May 28, priced at $100 found 6 days ago

Sat, Jun 14 - Tue, Jun 17

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$108 Roundtrip, found 5 days ago

$108

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 17, priced at $108 found 5 days ago

Sun, May 18 - Sat, May 24

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$110 Roundtrip, found 4 days ago

$110

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, May 18 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, May 24, priced at $110 found 4 days ago

Sat, Jun 14 - Sat, Jun 21

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$118 Roundtrip, found 5 days ago

$118

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, Jun 21, priced at $118 found 5 days ago

Mon, Jun 16 - Sat, Jun 21

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$128 Roundtrip, found 5 days ago

$128

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, Jun 21, priced at $128 found 5 days ago

Sat, Jun 28 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$129 Roundtrip, found 4 days ago

$129

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Fri, Jul 4, priced at $129 found 4 days ago

Wed, Jul 2 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$130 Roundtrip, found 4 days ago

$130

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Fri, Jul 4, priced at $130 found 4 days ago

Mon, May 12 - Sat, May 24

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$135 Roundtrip, found 4 days ago

$135

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, May 12 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, May 24, priced at $135 found 4 days ago

Sat, May 24 - Sun, May 25

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$136 Roundtrip, found 6 days ago

$136

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sun, May 25, priced at $136 found 6 days ago

Wed, Jul 9 - Sat, Jul 12

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$138 Roundtrip, found 16 hours ago

$138

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, Jul 12, priced at $138 found 16 hours ago

Mon, May 12 - Thu, May 22

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$143 Roundtrip, found 4 days ago

$143

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, May 12 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Thu, May 22, priced at $143 found 4 days ago

Sat, May 24 - Mon, May 26

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$147 Roundtrip, found 6 days ago

$147

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Mon, May 26, priced at $147 found 6 days ago

Thu, Jul 10 - Sat, Jul 12

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$148 Roundtrip, found 16 hours ago

$148

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, Jul 12, priced at $148 found 16 hours ago

Sat, Jun 28 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Fri, Jul 4, priced at $151 found 1 day ago

Tue, May 20 - Tue, May 20

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$152 Roundtrip, found 5 days ago

$152

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, May 20 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, May 20, priced at $152 found 5 days ago

Sat, May 17 - Tue, May 20

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$167 Roundtrip, found 4 days ago

$167

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Sat, May 17 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, May 20, priced at $167 found 4 days ago

Sun, May 18 - Wed, May 21

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$187 Roundtrip, found 5 days ago

$187

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sun, May 18 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Wed, May 21, priced at $187 found 5 days ago

Mon, May 12 - Tue, May 13

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select United flight, departing Mon, May 12 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, May 13, priced at $252 found 2 days ago

Mon, May 12 - Tue, May 13

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, May 12 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, May 13, priced at $257 found 2 days ago