Flights from Allentown to San Francisco

Cheapest flights from Allentown

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.

Thu, Jul 3 - Fri, Jul 11

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$296 Roundtrip, found 4 days ago

$296

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to San Francisco Intl., returning Fri, Jul 11, priced at $296 found 4 days ago

Sat, Jul 5 - Fri, Jul 11

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$321 Roundtrip, found 4 days ago

$321

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Philadelphia Intl. to San Francisco Intl., returning Fri, Jul 11, priced at $321 found 4 days ago

Wed, Jul 2 - Tue, Jul 8

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$361 Roundtrip, found 4 days ago

$361

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jul 2 from Philadelphia Intl. to San Francisco Intl., returning Tue, Jul 8, priced at $361 found 4 days ago

Wed, Jul 2 - Sun, Jul 6

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$361 Roundtrip, found 4 days ago

$361

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Philadelphia Intl. to San Francisco Intl., returning Sun, Jul 6, priced at $361 found 4 days ago

Sun, Jun 29 - Fri, Jul 11

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$366 Roundtrip, found 4 days ago

$366

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Philadelphia Intl. to San Francisco Intl., returning Fri, Jul 11, priced at $366 found 4 days ago

Thu, Jul 3 - Mon, Jul 7

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$391 Roundtrip, found 4 days ago

$391

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to San Francisco Intl., returning Mon, Jul 7, priced at $391 found 4 days ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$424 Roundtrip, found 1 day ago

$424

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $424 found 1 day ago

Sun, Jun 29 - Mon, Jul 7

PHL

Philadelphia Intl.

SFO

San Francisco Intl.

$429 Roundtrip, found 4 days ago

$429

Roundtrip

found 4 days ago

Select Delta flight, departing Sun, Jun 29 from Philadelphia Intl. to San Francisco Intl., returning Mon, Jul 7, priced at $429 found 4 days ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$439 Roundtrip, found 1 day ago

$439

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $439 found 1 day ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$444 Roundtrip, found 1 day ago

$444

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $444 found 1 day ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$454 Roundtrip, found 1 day ago

$454

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $454 found 1 day ago

Fri, Aug 8 - Tue, Aug 19

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$456 Roundtrip, found 1 day ago

$456

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Tue, Aug 19, priced at $456 found 1 day ago

Fri, Aug 8 - Mon, Aug 18

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$458 Roundtrip, found 1 day ago

$458

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Mon, Aug 18, priced at $458 found 1 day ago

Tue, Aug 5 - Tue, Aug 19

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$461 Roundtrip, found 1 day ago

$461

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lehigh Valley Intl. to San Francisco Intl., returning Tue, Aug 19, priced at $461 found 1 day ago

Tue, Aug 5 - Mon, Aug 18

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$463 Roundtrip, found 1 day ago

$463

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lehigh Valley Intl. to San Francisco Intl., returning Mon, Aug 18, priced at $463 found 1 day ago

Fri, Aug 8 - Sat, Aug 16

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$469 Roundtrip, found 1 day ago

$469

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sat, Aug 16, priced at $469 found 1 day ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$469 Roundtrip, found 1 day ago

$469

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $469 found 1 day ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$471 Roundtrip, found 1 day ago

$471

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $471 found 1 day ago

Tue, Aug 5 - Sat, Aug 16

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$474 Roundtrip, found 1 day ago

$474

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 5 from Lehigh Valley Intl. to San Francisco Intl., returning Sat, Aug 16, priced at $474 found 1 day ago

Fri, Aug 8 - Sun, Aug 17

ABE

Lehigh Valley Intl.

SFO

San Francisco Intl.

$552 Roundtrip, found 1 day ago

$552

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Francisco Intl., returning Sun, Aug 17, priced at $552 found 1 day ago