Flights from Philadelphia to San Carlos

Cheapest flights from Philadelphia

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, Sep 10 - Sun, Sep 14

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 3 hours ago

$247

Roundtrip

found 3 hours ago

Select JetBlue Airways flight, departing Wed, Sep 10 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $247 found 3 hours ago

Mon, Aug 11 - Wed, Aug 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$258 Roundtrip, found 3 days ago

$258

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 11 from Philadelphia Intl. to Oakland Intl., returning Wed, Aug 20, priced at $258 found 3 days ago

Mon, Aug 11 - Thu, Aug 21

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$265 Roundtrip, found 3 days ago

$265

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 11 from Philadelphia Intl. to Oakland Intl., returning Thu, Aug 21, priced at $265 found 3 days ago

Mon, Sep 8 - Sat, Sep 20

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$268 Roundtrip, found 3 hours ago

$268

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to San Francisco Intl., returning Sat, Sep 20, priced at $268 found 3 hours ago

Fri, Sep 12 - Sun, Sep 14

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$270 Roundtrip, found 3 hours ago

$270

Roundtrip

found 3 hours ago

Select JetBlue Airways flight, departing Fri, Sep 12 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $270 found 3 hours ago

Sat, Jul 12 - Tue, Jul 15

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$270 Roundtrip, found 4 days ago

$270

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Philadelphia Intl. to San Francisco Intl., returning Tue, Jul 15, priced at $270 found 4 days ago

Sat, Aug 16 - Wed, Aug 20

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$274 Roundtrip, found 3 days ago

$274

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to San Francisco Intl., returning Wed, Aug 20, priced at $274 found 3 days ago

Sat, Aug 16 - Wed, Aug 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$276 Roundtrip, found 3 days ago

$276

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to Oakland Intl., returning Wed, Aug 20, priced at $276 found 3 days ago

Mon, Sep 8 - Fri, Sep 19

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$277 Roundtrip, found 3 hours ago

$277

Roundtrip

found 3 hours ago

Select Delta flight, departing Mon, Sep 8 from Philadelphia Intl. to San Francisco Intl., returning Fri, Sep 19, priced at $277 found 3 hours ago

Wed, Jul 9 - Sat, Jul 19

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$277 Roundtrip, found 4 days ago

$277

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jul 9 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Sat, Jul 19, priced at $277 found 4 days ago

Thu, Jul 10 - Thu, Jul 17

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$277 Roundtrip, found 4 days ago

$277

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Jul 17, priced at $277 found 4 days ago

Mon, Sep 8 - Thu, Sep 18

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$278 Roundtrip, found 3 hours ago

$278

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to San Francisco Intl., returning Thu, Sep 18, priced at $278 found 3 hours ago

Sun, Sep 14 - Sat, Sep 20

TTN

Mercer

SFO

San Francisco Intl.

$281 Roundtrip, found 3 hours ago

$281

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Sun, Sep 14 from Mercer to San Francisco Intl., returning Sat, Sep 20, priced at $281 found 3 hours ago

Thu, Jul 10 - Thu, Jul 17

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$282 Roundtrip, found 4 days ago

$282

Roundtrip

found 4 days ago

Select United flight, departing Thu, Jul 10 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Jul 17, priced at $282 found 4 days ago

Sat, Aug 16 - Thu, Aug 21

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$283 Roundtrip, found 3 days ago

$283

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to Oakland Intl., returning Thu, Aug 21, priced at $283 found 3 days ago

Sat, Aug 16 - Thu, Aug 21

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$284 Roundtrip, found 3 days ago

$284

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to San Francisco Intl., returning Thu, Aug 21, priced at $284 found 3 days ago

Tue, Jul 1 - Sat, Jul 5

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select United flight, departing Tue, Jul 1 from Philadelphia Intl. to San Francisco Intl., returning Sat, Jul 5, priced at $289 found 4 days ago

Sat, Aug 16 - Sat, Aug 16

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$290 Roundtrip, found 3 days ago

$290

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to San Francisco Intl., returning Sat, Aug 16, priced at $290 found 3 days ago

Thu, Jul 10 - Thu, Jul 17

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$294 Roundtrip, found 4 days ago

$294

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Jul 17, priced at $294 found 4 days ago

Thu, Jul 10 - Thu, Jul 17

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$803 Roundtrip, found 4 days ago

$803

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Jul 10 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Jul 17, priced at $803 found 4 days ago