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

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Frontier Airlines Flight 2026 Route Deals From $61

The cheapest prices found with in the last 7 days for return flights were $117 and $61 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
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Apr 17 from Southwest Florida Intl. to Philadelphia Intl., returning Tue, Apr 21, priced at $117 just found
Thu, May 21 - Thu, May 28
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$118 Roundtrip, just found
$118
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 21 from Southwest Florida Intl. to Philadelphia Intl., returning Thu, May 28, priced at $118 just found
Tue, May 5 - Tue, May 12
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$122 Roundtrip, found 2 days ago
$122
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Southwest Florida Intl. to Philadelphia Intl., returning Tue, May 12, priced at $122 found 2 days ago
Mon, Mar 30 - Sun, Apr 5
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Mar 30 from Southwest Florida Intl. to Philadelphia Intl., returning Sun, Apr 5, priced at $129 found 3 days ago
Thu, Apr 23 - Sun, Apr 26
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Southwest Florida Intl. to Philadelphia Intl., returning Sun, Apr 26, priced at $141 found 1 day ago
Fri, May 1 - Tue, May 5
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$144 Roundtrip, found 6 hours ago
$144
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, May 1 from Southwest Florida Intl. to Philadelphia Intl., returning Tue, May 5, priced at $144 found 6 hours ago
Fri, Apr 24 - Sun, Apr 26
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$147 Roundtrip, found 22 hours ago
$147
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Southwest Florida Intl. to Philadelphia Intl., returning Sun, Apr 26, priced at $147 found 22 hours ago
Thu, May 21 - Tue, May 26
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 21 from Southwest Florida Intl. to Philadelphia Intl., returning Tue, May 26, priced at $147 found 1 day ago
Tue, May 12 - Thu, May 14
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, May 12 from Southwest Florida Intl. to Philadelphia Intl., returning Thu, May 14, priced at $154 found 4 days ago
Thu, Apr 16 - Mon, Apr 20
RSW
Southwest Florida Intl.
PHL
Philadelphia Intl.
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Apr 16 from Southwest Florida Intl. to Philadelphia Intl., returning Mon, Apr 20, priced at $158 just found