Flights from Raleigh to King of Prussia

Cheapest flights from Raleigh

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.

Wed, Jun 11 - Sat, Jun 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$109 Roundtrip, found 6 days ago

$109

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Jun 14, priced at $109 found 6 days ago

Fri, Jun 13 - Sat, Jun 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$121 Roundtrip, found 6 days ago

$121

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Jun 14, priced at $121 found 6 days ago

Wed, Jun 11 - Thu, Jun 19

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$131 Roundtrip, found 6 days ago

$131

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Jun 19, priced at $131 found 6 days ago

Fri, Jun 13 - Mon, Jun 16

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$132 Roundtrip, found 6 days ago

$132

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Jun 16, priced at $132 found 6 days ago

Tue, Jun 10 - Sat, Jun 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Jun 14, priced at $134 found 6 days ago

Tue, Aug 12 - Sun, Aug 17

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$138 Roundtrip, found 4 hours ago

$138

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Aug 17, priced at $138 found 4 hours ago

Tue, Jul 8 - Thu, Jul 17

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$141 Roundtrip, found 6 days ago

$141

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Jul 17, priced at $141 found 6 days ago

Fri, Jun 13 - Thu, Jun 19

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$142 Roundtrip, found 6 days ago

$142

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Jun 19, priced at $142 found 6 days ago

Tue, Jun 10 - Fri, Jun 13

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$146 Roundtrip, found 6 days ago

$146

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Fri, Jun 13, priced at $146 found 6 days ago

Sun, Aug 17 - Tue, Aug 19

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$148 Roundtrip, found 4 hours ago

$148

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Sun, Aug 17 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $148 found 4 hours ago

Wed, Jul 9 - Sun, Jul 13

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$151 Roundtrip, found 6 days ago

$151

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Jul 13, priced at $151 found 6 days ago

Sun, Jun 8 - Thu, Jun 19

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$152 Roundtrip, found 6 days ago

$152

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Jun 8 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Jun 19, priced at $152 found 6 days ago

Mon, Jun 9 - Fri, Jun 13

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Fri, Jun 13, priced at $157 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$158 Roundtrip, found 4 hours ago

$158

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Aug 17, priced at $158 found 4 hours ago

Sat, Aug 9 - Sat, Sep 27

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$169 Roundtrip, found 2 days ago

$169

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Sep 27, priced at $169 found 2 days ago

Thu, Jul 10 - Mon, Jul 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$217 Roundtrip, found 6 days ago

$217

Roundtrip

found 6 days ago

Select United flight, departing Thu, Jul 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Jul 14, priced at $217 found 6 days ago

Fri, Aug 15 - Mon, Aug 18

RDU

Raleigh - Durham Intl.

TTN

Mercer

$232 Roundtrip, found 4 hours ago

$232

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Raleigh - Durham Intl. to Mercer, returning Mon, Aug 18, priced at $232 found 4 hours ago

Sat, Aug 9 - Sat, Sep 27

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$264 Roundtrip, found 2 days ago

$264

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Sep 27, priced at $264 found 2 days ago

Thu, Jul 10 - Mon, Jul 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$273 Roundtrip, found 6 days ago

$273

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Thu, Jul 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Jul 14, priced at $273 found 6 days ago

Thu, Jul 10 - Mon, Jul 14

RDU

Raleigh - Durham Intl.

PHL

Philadelphia Intl.

$307 Roundtrip, found 6 days ago

$307

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Jul 14, priced at $307 found 6 days ago