Flights from San Bernardino to Seattle

Cheapest flights from San Bernardino

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, Jun 11 - Sat, Jun 14

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$106 Roundtrip, found 5 days ago

$106

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 14, priced at $106 found 5 days ago

Thu, Jun 12 - Sat, Jun 14

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$111 Roundtrip, found 5 days ago

$111

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 14, priced at $111 found 5 days ago

Thu, Jun 12 - Fri, Jun 13

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$116 Roundtrip, found 2 days ago

$116

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Fri, Jun 13, priced at $116 found 2 days ago

Wed, Jun 11 - Thu, Jun 19

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$136 Roundtrip, found 2 days ago

$136

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Thu, Jun 19, priced at $136 found 2 days ago

Wed, Jun 11 - Tue, Jun 24

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$138 Roundtrip, found 2 days ago

$138

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $138 found 2 days ago

Wed, Jun 11 - Sat, Jun 21

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$143 Roundtrip, found 2 days ago

$143

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $143 found 2 days ago

Thu, Jun 12 - Thu, Jun 19

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$146 Roundtrip, found 2 days ago

$146

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Thu, Jun 19, priced at $146 found 2 days ago

Wed, Jun 11 - Sat, Jun 21

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$148 Roundtrip, found 5 days ago

$148

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $148 found 5 days ago

Wed, Jun 11 - Sat, Jun 14

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$149 Roundtrip, found 2 days ago

$149

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 14, priced at $149 found 2 days ago

Thu, Jun 12 - Sat, Jun 21

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$153 Roundtrip, found 2 days ago

$153

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $153 found 2 days ago

Wed, Jun 11 - Sun, Jun 15

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$158 Roundtrip, found 2 days ago

$158

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sun, Jun 15, priced at $158 found 2 days ago

Wed, Jun 11 - Fri, Jun 20

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$159 Roundtrip, found 2 days ago

$159

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Fri, Jun 20, priced at $159 found 2 days ago

Wed, Jun 11 - Fri, Jun 20

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$161 Roundtrip, found 5 days ago

$161

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Fri, Jun 20, priced at $161 found 5 days ago

Wed, Jun 11 - Mon, Jun 23

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$164 Roundtrip, found 5 days ago

$164

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Mon, Jun 23, priced at $164 found 5 days ago

Wed, Aug 27 - Thu, Sep 4

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 27 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Thu, Sep 4, priced at $167 found 1 day ago

Wed, Aug 27 - Tue, Sep 9

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Aug 27 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Tue, Sep 9, priced at $177 found 1 day ago

Tue, Jul 15 - Sat, Aug 30

PSP

Palm Springs Intl.

SEA

Seattle - Tacoma Intl.

$179 Roundtrip, found 6 days ago

$179

Roundtrip

found 6 days ago

Select United flight, departing Tue, Jul 15 from Palm Springs Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $179 found 6 days ago

Sat, Aug 2 - Tue, Aug 12

PSP

Palm Springs Intl.

SEA

Seattle - Tacoma Intl.

$219 Roundtrip, found 3 days ago

$219

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Aug 2 from Palm Springs Intl. to Seattle - Tacoma Intl., returning Tue, Aug 12, priced at $219 found 3 days ago

Fri, Aug 1 - Wed, Aug 13

PSP

Palm Springs Intl.

SEA

Seattle - Tacoma Intl.

$256 Roundtrip, found 3 days ago

$256

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Fri, Aug 1 from Palm Springs Intl. to Seattle - Tacoma Intl., returning Wed, Aug 13, priced at $256 found 3 days ago

Wed, Jul 2 - Wed, Jul 9

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 2 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Wed, Jul 9, priced at $257 found 1 day ago