Flights from Philadelphia to Walla Walla

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.

Tue, Jul 22 - Wed, Jul 23

PHL

Philadelphia Intl.

PSC

Tri-Cities

$427 Roundtrip, found 22 hours ago

$427

Roundtrip

found 22 hours ago

Select Delta flight, departing Tue, Jul 22 from Philadelphia Intl. to Tri-Cities, returning Wed, Jul 23, priced at $427 found 22 hours ago

Wed, Jul 23 - Sat, Jul 26

PHL

Philadelphia Intl.

PSC

Tri-Cities

$431 Roundtrip, found 22 hours ago

$431

Roundtrip

found 22 hours ago

Select Delta flight, departing Wed, Jul 23 from Philadelphia Intl. to Tri-Cities, returning Sat, Jul 26, priced at $431 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$545 Roundtrip, found 22 hours ago

$545

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $545 found 22 hours ago

Sun, Jul 20 - Tue, Jul 22

PHL

Philadelphia Intl.

PSC

Tri-Cities

$563 Roundtrip, found 22 hours ago

$563

Roundtrip

found 22 hours ago

Select Delta flight, departing Sun, Jul 20 from Philadelphia Intl. to Tri-Cities, returning Tue, Jul 22, priced at $563 found 22 hours ago

Sun, Jul 20 - Sat, Jul 26

PHL

Philadelphia Intl.

PSC

Tri-Cities

$567 Roundtrip, found 22 hours ago

$567

Roundtrip

found 22 hours ago

Select Delta flight, departing Sun, Jul 20 from Philadelphia Intl. to Tri-Cities, returning Sat, Jul 26, priced at $567 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$585 Roundtrip, found 22 hours ago

$585

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $585 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$587 Roundtrip, found 22 hours ago

$587

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $587 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$595 Roundtrip, found 22 hours ago

$595

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $595 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$622 Roundtrip, found 22 hours ago

$622

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $622 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$635 Roundtrip, found 22 hours ago

$635

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $635 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$637 Roundtrip, found 22 hours ago

$637

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $637 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$644 Roundtrip, found 22 hours ago

$644

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $644 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$645 Roundtrip, found 22 hours ago

$645

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $645 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$660 Roundtrip, found 22 hours ago

$660

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $660 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$664 Roundtrip, found 22 hours ago

$664

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $664 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$670 Roundtrip, found 22 hours ago

$670

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $670 found 22 hours ago

Tue, Jul 22 - Sat, Jul 26

ABE

Lehigh Valley Intl.

PSC

Tri-Cities

$678 Roundtrip, found 22 hours ago

$678

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Tue, Jul 22 from Lehigh Valley Intl. to Tri-Cities, returning Sat, Jul 26, priced at $678 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$687 Roundtrip, found 22 hours ago

$687

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $687 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$694 Roundtrip, found 22 hours ago

$694

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $694 found 22 hours ago

Mon, Jul 21 - Thu, Jul 24

PHL

Philadelphia Intl.

PSC

Tri-Cities

$699 Roundtrip, found 22 hours ago

$699

Roundtrip

found 22 hours ago

Select Delta flight, departing Mon, Jul 21 from Philadelphia Intl. to Tri-Cities, returning Thu, Jul 24, priced at $699 found 22 hours ago