Flights from Oceanside

Cheapest flights from Oceanside

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.

Sat, Jun 14 - Sat, Jun 28

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$264 Roundtrip, found 3 days ago

$264

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from San Diego Intl. to Philadelphia Intl., returning Sat, Jun 28, priced at $264 found 3 days ago

Sat, Jul 12 - Tue, Jul 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$270 Roundtrip, found 6 days ago

$270

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 22, priced at $270 found 6 days ago

Wed, Jun 11 - Wed, Jun 25

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$272 Roundtrip, found 3 days ago

$272

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from San Diego Intl. to Philadelphia Intl., returning Wed, Jun 25, priced at $272 found 3 days ago

Sat, Jun 14 - Tue, Jun 24

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Jun 14 from San Diego Intl. to Philadelphia Intl., returning Tue, Jun 24, priced at $278 found 3 days ago

Fri, Jun 13 - Sat, Jun 28

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$282 Roundtrip, found 3 days ago

$282

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from San Diego Intl. to Philadelphia Intl., returning Sat, Jun 28, priced at $282 found 3 days ago

Sat, Jun 14 - Thu, Jun 26

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$284 Roundtrip, found 3 days ago

$284

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from San Diego Intl. to Philadelphia Intl., returning Thu, Jun 26, priced at $284 found 3 days ago

Sat, Jul 12 - Mon, Jul 21

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$290 Roundtrip, found 6 days ago

$290

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Mon, Jul 21, priced at $290 found 6 days ago

Sat, Jun 14 - Sun, Jun 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$294 Roundtrip, found 3 days ago

$294

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from San Diego Intl. to Philadelphia Intl., returning Sun, Jun 22, priced at $294 found 3 days ago

Fri, Jun 13 - Thu, Jun 26

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$302 Roundtrip, found 3 days ago

$302

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from San Diego Intl. to Philadelphia Intl., returning Thu, Jun 26, priced at $302 found 3 days ago

Wed, Jun 11 - Tue, Jun 24

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$303 Roundtrip, found 3 days ago

$303

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jun 11 from San Diego Intl. to Philadelphia Intl., returning Tue, Jun 24, priced at $303 found 3 days ago

Sun, Jul 13 - Mon, Jul 21

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$304 Roundtrip, found 6 days ago

$304

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jul 13 from San Diego Intl. to Philadelphia Intl., returning Mon, Jul 21, priced at $304 found 6 days ago

Fri, Jul 11 - Sun, Jul 20

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$310 Roundtrip, found 6 days ago

$310

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jul 11 from San Diego Intl. to Philadelphia Intl., returning Sun, Jul 20, priced at $310 found 6 days ago

Fri, Jun 13 - Sun, Jun 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$312 Roundtrip, found 3 days ago

$312

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from San Diego Intl. to Philadelphia Intl., returning Sun, Jun 22, priced at $312 found 3 days ago

Sat, Jul 12 - Tue, Jul 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$333 Roundtrip, found 6 days ago

$333

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 22, priced at $333 found 6 days ago

Thu, Jun 12 - Tue, Jun 24

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$341 Roundtrip, found 3 days ago

$341

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Jun 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jun 24, priced at $341 found 3 days ago

Sat, Jul 12 - Tue, Jul 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$343 Roundtrip, found 6 days ago

$343

Roundtrip

found 6 days ago

Select United flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 22, priced at $343 found 6 days ago

Sat, Jul 12 - Tue, Jul 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$343 Roundtrip, found 6 days ago

$343

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 22, priced at $343 found 6 days ago

Sun, Jul 13 - Wed, Jul 23

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$369 Roundtrip, found 6 days ago

$369

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jul 13 from San Diego Intl. to Philadelphia Intl., returning Wed, Jul 23, priced at $369 found 6 days ago

Sat, Jul 12 - Tue, Jul 22

CLD

McClellan-Palomar

PHL

Philadelphia Intl.

$415 Roundtrip, found 6 days ago

$415

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Jul 12 from McClellan-Palomar to Philadelphia Intl., returning Tue, Jul 22, priced at $415 found 6 days ago

Sat, Jul 12 - Tue, Jul 22

SAN

San Diego Intl.

PHL

Philadelphia Intl.

$515 Roundtrip, found 6 days ago

$515

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, Jul 12 from San Diego Intl. to Philadelphia Intl., returning Tue, Jul 22, priced at $515 found 6 days ago