Flights from San Diego to Allentown

Cheapest flights from San Diego

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, Jan 13 - Tue, Jan 27

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$309 Roundtrip, found 23 hours ago

$309

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jan 13 from San Diego Intl. to Lehigh Valley Intl., returning Tue, Jan 27, priced at $309 found 23 hours ago

Wed, Jul 23 - Tue, Jul 29

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$318 Roundtrip, found 6 days ago

$318

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $318 found 6 days ago

Wed, Jul 23 - Mon, Jul 28

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$326 Roundtrip, found 6 days ago

$326

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Diego Intl. to Philadelphia Intl., returning Mon, Jul 28, priced at $326 found 6 days ago

Wed, Jul 23 - Sun, Jul 27

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$331 Roundtrip, found 6 days ago

$331

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Diego Intl. to Philadelphia Intl., returning Sun, Jul 27, priced at $331 found 6 days ago

Tue, Jan 13 - Thu, Jan 29

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$339 Roundtrip, found 23 hours ago

$339

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jan 13 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Jan 29, priced at $339 found 23 hours ago

Sat, Jan 10 - Wed, Jan 21

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$356 Roundtrip, found 23 hours ago

$356

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Jan 10 from San Diego Intl. to Lehigh Valley Intl., returning Wed, Jan 21, priced at $356 found 23 hours ago

Wed, Jan 21 - Thu, Feb 5

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$363 Roundtrip, found 23 hours ago

$363

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Jan 21 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Feb 5, priced at $363 found 23 hours ago

Tue, Jan 6 - Thu, Jan 22

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$369 Roundtrip, found 23 hours ago

$369

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jan 6 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Jan 22, priced at $369 found 23 hours ago

Mon, Jul 21 - Mon, Jul 28

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$380 Roundtrip, found 6 days ago

$380

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from San Diego Intl. to Philadelphia Intl., returning Mon, Jul 28, priced at $380 found 6 days ago

Sat, Jan 10 - Thu, Jan 22

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$386 Roundtrip, found 23 hours ago

$386

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Jan 10 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Jan 22, priced at $386 found 23 hours ago

Wed, Dec 24 - Thu, Jan 8

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$388 Roundtrip, found 19 hours ago

$388

Roundtrip

found 19 hours ago

Select Delta flight, departing Wed, Dec 24 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Jan 8, priced at $388 found 19 hours ago

Thu, Jan 22 - Thu, Feb 5

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$393 Roundtrip, found 23 hours ago

$393

Roundtrip

found 23 hours ago

Select Delta flight, departing Thu, Jan 22 from San Diego Intl. to Lehigh Valley Intl., returning Thu, Feb 5, priced at $393 found 23 hours ago

Sat, Jan 17 - Tue, Jan 27

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$394 Roundtrip, found 23 hours ago

$394

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Jan 17 from San Diego Intl. to Lehigh Valley Intl., returning Tue, Jan 27, priced at $394 found 23 hours ago

Wed, Jan 21 - Sun, Feb 8

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$398 Roundtrip, found 23 hours ago

$398

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Jan 21 from San Diego Intl. to Lehigh Valley Intl., returning Sun, Feb 8, priced at $398 found 23 hours ago

Thu, Dec 25 - Sat, Jan 10

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$409 Roundtrip, found 19 hours ago

$409

Roundtrip

found 19 hours ago

Select United flight, departing Thu, Dec 25 from San Diego Intl. to Lehigh Valley Intl., returning Sat, Jan 10, priced at $409 found 19 hours ago

Wed, Dec 31 - Tue, Jan 13

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$413 Roundtrip, found 23 hours ago

$413

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Dec 31 from San Diego Intl. to Lehigh Valley Intl., returning Tue, Jan 13, priced at $413 found 23 hours ago

Thu, Dec 25 - Sat, Jan 10

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$414 Roundtrip, found 23 hours ago

$414

Roundtrip

found 23 hours ago

Select United flight, departing Thu, Dec 25 from San Diego Intl. to Lehigh Valley Intl., returning Sat, Jan 10, priced at $414 found 23 hours ago

Wed, Dec 24 - Mon, Jan 12

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$418 Roundtrip, found 19 hours ago

$418

Roundtrip

found 19 hours ago

Select Delta flight, departing Wed, Dec 24 from San Diego Intl. to Lehigh Valley Intl., returning Mon, Jan 12, priced at $418 found 19 hours ago

Wed, Dec 17 - Wed, Dec 24

SAN

San Diego Intl.

ABE

Lehigh Valley Intl.

$429 Roundtrip, found 1 day ago

$429

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Dec 17 from San Diego Intl. to Lehigh Valley Intl., returning Wed, Dec 24, priced at $429 found 1 day ago

Mon, Jul 21 - Tue, Jul 29

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$506 Roundtrip, found 6 days ago

$506

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Mon, Jul 21 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $506 found 6 days ago