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

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Frontier Airlines Flight 1518 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $64 and $75 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 9 - Wed, Sep 16
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$64 Roundtrip, found 19 hours ago
$64
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Raleigh - Durham Intl. to Philadelphia Intl., returning Wed, Sep 16, priced at $64 found 19 hours ago
Wed, Sep 23 - Sat, Oct 3
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$68 Roundtrip, found 5 hours ago
$68
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Oct 3, priced at $68 found 5 hours ago
Tue, Oct 6 - Sat, Oct 10
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$108 Roundtrip, found 3 days ago
$108
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Oct 6 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Oct 10, priced at $108 found 3 days ago
Tue, Sep 29 - Thu, Oct 1
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$109 Roundtrip, found 1 day ago
$109
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Oct 1, priced at $109 found 1 day ago
Mon, Sep 21 - Tue, Sep 22
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$111 Roundtrip, found 7 hours ago
$111
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Sep 21 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Sep 22, priced at $111 found 7 hours ago
Sat, Sep 12 - Sat, Sep 26
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Sep 12 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Sep 26, priced at $120 found 1 day ago
Tue, Sep 22 - Sat, Oct 3
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$124 Roundtrip, found 5 hours ago
$124
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Sep 22 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Oct 3, priced at $124 found 5 hours ago
Fri, Sep 18 - Sat, Sep 19
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$129 Roundtrip, found 1 day ago
$129
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Sep 18 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Sep 19, priced at $129 found 1 day ago
Sat, Aug 22 - Sun, Aug 23
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$132 Roundtrip, found 6 hours ago
$132
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Aug 22 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Aug 23, priced at $132 found 6 hours ago
Sat, Aug 22 - Sun, Aug 23
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$134 Roundtrip, found 6 hours ago
$134
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Aug 22 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Aug 23, priced at $134 found 6 hours ago