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

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Frontier Airlines Flight 1518 Route Deals From $40

The cheapest prices found with in the last 7 days for return flights were $84 and $40 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 17 - Tue, Apr 21
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Apr 17 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Apr 21, priced at $84 just found
Fri, Apr 17 - Sun, Apr 19
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sun, Apr 19, priced at $88 found 1 hour ago
Wed, Mar 4 - Thu, Mar 5
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Mar 4 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Mar 5, priced at $90 just found
Tue, Mar 3 - Tue, Mar 10
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$90 Roundtrip, found 23 hours ago
$90
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Tue, Mar 3 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Mar 10, priced at $90 found 23 hours ago
Mon, Apr 20 - Thu, Apr 23
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$91 Roundtrip, found 5 days ago
$91
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Apr 20 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Apr 23, priced at $91 found 5 days ago
Wed, Apr 22 - Sat, Apr 25
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$92 Roundtrip, found 4 hours ago
$92
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Apr 22 from Raleigh - Durham Intl. to Philadelphia Intl., returning Sat, Apr 25, priced at $92 found 4 hours ago
Mon, May 4 - Tue, May 5
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$94 Roundtrip, found 3 hours ago
$94
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, May 4 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, May 5, priced at $94 found 3 hours ago
Wed, Apr 29 - Fri, May 1
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$95 Roundtrip, found 4 hours ago
$95
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Apr 29 from Raleigh - Durham Intl. to Philadelphia Intl., returning Fri, May 1, priced at $95 found 4 hours ago
Sat, Apr 11 - Thu, Apr 16
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$96 Roundtrip, found 6 hours ago
$96
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Raleigh - Durham Intl. to Philadelphia Intl., returning Thu, Apr 16, priced at $96 found 6 hours ago
Mon, Mar 2 - Tue, Mar 3
RDU
Raleigh - Durham Intl.
PHL
Philadelphia Intl.
$98 Roundtrip, found 3 hours ago
$98
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Raleigh - Durham Intl. to Philadelphia Intl., returning Tue, Mar 3, priced at $98 found 3 hours ago