Frontier Airlines Flight 1518 Deals & Information (2026/2027)

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Frontier Airlines Flight 1518 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $88 and $49 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 11 - Tue, Apr 14
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$88 Roundtrip, found 4 hours ago
$88
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Apr 14, priced at $88 found 4 hours ago
Sat, Mar 14 - Tue, Mar 17
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$98 Roundtrip, found 4 hours ago
$98
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Mar 14 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Mar 17, priced at $98 found 4 hours ago
Sat, Mar 21 - Mon, Mar 23
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$100 Roundtrip, found 4 hours ago
$100
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Mar 21 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Mar 23, priced at $100 found 4 hours ago
Sat, Apr 18 - Tue, Apr 21
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$101 Roundtrip, found 1 hour ago
$101
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Apr 18 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Apr 21, priced at $101 found 1 hour ago
Sat, Apr 11 - Mon, Apr 13
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$103 Roundtrip, found 7 hours ago
$103
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Apr 13, priced at $103 found 7 hours ago
Mon, Apr 27 - Wed, Apr 29
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$105 Roundtrip, found 6 hours ago
$105
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Apr 27 from Raleigh - Durham Intl. to Philadelphia Intl., returning Wed, Apr 29, priced at $105 found 6 hours ago
Tue, Mar 10 - Thu, Mar 12
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$108 Roundtrip, found 3 hours ago
$108
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Mar 10 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Mar 12, priced at $108 found 3 hours ago
Wed, Mar 18 - Wed, Mar 25
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$109 Roundtrip, found 12 hours ago
$109
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Wed, Mar 18 from Raleigh - Durham Intl. to Philadelphia Intl., returning Wed, Mar 25, priced at $109 found 12 hours ago
Thu, Apr 9 - Mon, Apr 13
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$111 Roundtrip, found 3 hours ago
$111
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Mon, Apr 13, priced at $111 found 3 hours ago
Sat, Apr 4 - Wed, Apr 8
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$112 Roundtrip, found 2 hours ago
$112
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Raleigh - Durham Intl. to Philadelphia Intl., returning Wed, Apr 8, priced at $112 found 2 hours ago