Flights from San Francisco to Bay City

Cheapest flights from San Francisco

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.

Mon, Aug 4 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$93 Roundtrip, found 19 hours ago

$93

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Mon, Aug 4 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $93 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$98 Roundtrip, found 19 hours ago

$98

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $98 found 19 hours ago

Fri, Aug 1 - Fri, Aug 1

SFO

San Francisco Intl.

PDX

Portland Intl.

$103 Roundtrip, found 19 hours ago

$103

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Fri, Aug 1, priced at $103 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$117 Roundtrip, found 19 hours ago

$117

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $117 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$118 Roundtrip, found 19 hours ago

$118

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $118 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$133 Roundtrip, found 19 hours ago

$133

Roundtrip

found 19 hours ago

Select United flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $133 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$137 Roundtrip, found 19 hours ago

$137

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $137 found 19 hours ago

Wed, Jul 9 - Fri, Jul 11

SJC

Norman Y. Mineta San Jose Intl.

PDX

Portland Intl.

$138 Roundtrip, found 5 days ago

$138

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Norman Y. Mineta San Jose Intl. to Portland Intl., returning Fri, Jul 11, priced at $138 found 5 days ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$143 Roundtrip, found 19 hours ago

$143

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $143 found 19 hours ago

Fri, Aug 1 - Wed, Aug 6

SFO

San Francisco Intl.

PDX

Portland Intl.

$150 Roundtrip, found 19 hours ago

$150

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Wed, Aug 6, priced at $150 found 19 hours ago

Tue, Jul 29 - Wed, Aug 6

SFO

San Francisco Intl.

PDX

Portland Intl.

$152 Roundtrip, found 19 hours ago

$152

Roundtrip

found 19 hours ago

Select Hawaiian Airlines flight, departing Tue, Jul 29 from San Francisco Intl. to Portland Intl., returning Wed, Aug 6, priced at $152 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$152 Roundtrip, found 19 hours ago

$152

Roundtrip

found 19 hours ago

Select United flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $152 found 19 hours ago

Tue, Jul 8 - Tue, Jul 15

SJC

Norman Y. Mineta San Jose Intl.

PDX

Portland Intl.

$160 Roundtrip, found 5 days ago

$160

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Norman Y. Mineta San Jose Intl. to Portland Intl., returning Tue, Jul 15, priced at $160 found 5 days ago

Tue, Jul 29 - Sat, Aug 2

SFO

San Francisco Intl.

PDX

Portland Intl.

$167 Roundtrip, found 19 hours ago

$167

Roundtrip

found 19 hours ago

Select Hawaiian Airlines flight, departing Tue, Jul 29 from San Francisco Intl. to Portland Intl., returning Sat, Aug 2, priced at $167 found 19 hours ago

Wed, Jul 30 - Fri, Aug 1

SFO

San Francisco Intl.

PDX

Portland Intl.

$170 Roundtrip, found 19 hours ago

$170

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from San Francisco Intl. to Portland Intl., returning Fri, Aug 1, priced at $170 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$172 Roundtrip, found 19 hours ago

$172

Roundtrip

found 19 hours ago

Select United flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $172 found 19 hours ago

Tue, Jul 8 - Thu, Jul 17

SJC

Norman Y. Mineta San Jose Intl.

PDX

Portland Intl.

$177 Roundtrip, found 5 days ago

$177

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Norman Y. Mineta San Jose Intl. to Portland Intl., returning Thu, Jul 17, priced at $177 found 5 days ago

Thu, Jul 31 - Thu, Aug 7

SFO

San Francisco Intl.

PDX

Portland Intl.

$187 Roundtrip, found 19 hours ago

$187

Roundtrip

found 19 hours ago

Select Delta flight, departing Thu, Jul 31 from San Francisco Intl. to Portland Intl., returning Thu, Aug 7, priced at $187 found 19 hours ago

Sat, Aug 2 - Sat, Aug 2

SFO

San Francisco Intl.

PDX

Portland Intl.

$207 Roundtrip, found 19 hours ago

$207

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Sat, Aug 2 from San Francisco Intl. to Portland Intl., returning Sat, Aug 2, priced at $207 found 19 hours ago

Fri, Aug 1 - Mon, Aug 4

SFO

San Francisco Intl.

PDX

Portland Intl.

$252 Roundtrip, found 19 hours ago

$252

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Fri, Aug 1 from San Francisco Intl. to Portland Intl., returning Mon, Aug 4, priced at $252 found 19 hours ago