Flights from New Castle to San Francisco

Cheapest flights from New Castle

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.

Tue, Jul 8 - Sun, Jul 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$242 Roundtrip, found 1 day ago

$242

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Oakland Intl., returning Sun, Jul 20, priced at $242 found 1 day ago

Tue, Jul 8 - Sun, Jul 20

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$245 Roundtrip, found 1 day ago

$245

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Sun, Jul 20, priced at $245 found 1 day ago

Wed, Sep 24 - Tue, Sep 30

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 3 days ago

$247

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Wed, Sep 24 from Philadelphia Intl. to San Francisco Intl., returning Tue, Sep 30, priced at $247 found 3 days ago

Fri, Jul 11 - Sun, Jul 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 11 from Philadelphia Intl. to Oakland Intl., returning Sun, Jul 20, priced at $248 found 1 day ago

Sat, Sep 27 - Sat, Oct 4

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 3 days ago

$258

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sat, Oct 4, priced at $258 found 3 days ago

Wed, Sep 24 - Wed, Sep 24

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$261 Roundtrip, found 3 days ago

$261

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Wed, Sep 24 from Philadelphia Intl. to San Francisco Intl., returning Wed, Sep 24, priced at $261 found 3 days ago

Fri, Jul 11 - Sun, Jul 20

PHL

Philadelphia Intl.

SJC

Norman Y. Mineta San Jose Intl.

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 11 from Philadelphia Intl. to Norman Y. Mineta San Jose Intl., returning Sun, Jul 20, priced at $265 found 1 day ago

Wed, Sep 24 - Thu, Sep 25

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$267 Roundtrip, found 3 days ago

$267

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Wed, Sep 24 from Philadelphia Intl. to San Francisco Intl., returning Thu, Sep 25, priced at $267 found 3 days ago

Fri, Sep 26 - Sat, Sep 27

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$268 Roundtrip, found 3 days ago

$268

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Sep 26 from Philadelphia Intl. to San Francisco Intl., returning Sat, Sep 27, priced at $268 found 3 days ago

Tue, Jul 8 - Fri, Jul 18

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Oakland Intl., returning Fri, Jul 18, priced at $270 found 1 day ago

Sat, Sep 27 - Sun, Sep 28

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$272 Roundtrip, found 3 days ago

$272

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 28, priced at $272 found 3 days ago

Tue, Jul 8 - Wed, Jul 16

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Philadelphia Intl. to Oakland Intl., returning Wed, Jul 16, priced at $273 found 1 day ago

Wed, Jul 9 - Sun, Jul 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$275 Roundtrip, found 1 day ago

$275

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Philadelphia Intl. to Oakland Intl., returning Sun, Jul 20, priced at $275 found 1 day ago

Wed, Jul 9 - Tue, Jul 15

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 9 from Philadelphia Intl. to San Francisco Intl., returning Tue, Jul 15, priced at $277 found 1 day ago

Sat, Sep 27 - Sun, Sep 28

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 28, priced at $278 found 3 days ago

Mon, Jul 7 - Sun, Jul 20

PHL

Philadelphia Intl.

OAK

Oakland Intl.

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 7 from Philadelphia Intl. to Oakland Intl., returning Sun, Jul 20, priced at $279 found 1 day ago

Sun, Sep 14 - Sat, Sep 20

TTN

Mercer

SFO

San Francisco Intl.

$281 Roundtrip, found 4 days ago

$281

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Sep 14 from Mercer to San Francisco Intl., returning Sat, Sep 20, priced at $281 found 4 days ago

Sat, Sep 27 - Sun, Sep 28

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$289 Roundtrip, found 3 days ago

$289

Roundtrip

found 3 days ago

Select United flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 28, priced at $289 found 3 days ago

Sat, Sep 27 - Sun, Sep 28

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$289 Roundtrip, found 3 days ago

$289

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 28, priced at $289 found 3 days ago

Sat, Sep 27 - Sun, Sep 28

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$473 Roundtrip, found 3 days ago

$473

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sat, Sep 27 from Philadelphia Intl. to San Francisco Intl., returning Sun, Sep 28, priced at $473 found 3 days ago