Frontier Airlines Flight 2439 Deals & Information (2026/2027)

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Frontier Airlines Flight 2439 Route Deals From $40

The cheapest prices found with in the last 7 days for return flights were $92 and $40 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 26 - Wed, May 27
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$92 Roundtrip, found 1 day ago
$92
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 26 from Raleigh - Durham Intl. to Denver Intl., returning Wed, May 27, priced at $92 found 1 day ago
Wed, May 27 - Wed, Jun 3
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 27 from Raleigh - Durham Intl. to Denver Intl., returning Wed, Jun 3, priced at $110 found 1 day ago
Wed, Aug 26 - Sat, Aug 29
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$117 Roundtrip, found 14 hours ago
$117
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Aug 26 from Raleigh - Durham Intl. to Denver Intl., returning Sat, Aug 29, priced at $117 found 14 hours ago
Wed, May 20 - Wed, May 27
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$119 Roundtrip, found 16 hours ago
$119
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, May 20 from Raleigh - Durham Intl. to Denver Intl., returning Wed, May 27, priced at $119 found 16 hours ago
Sat, May 23 - Tue, May 26
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$123 Roundtrip, found 13 hours ago
$123
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Sat, May 23 from Raleigh - Durham Intl. to Denver Intl., returning Tue, May 26, priced at $123 found 13 hours ago
Wed, May 20 - Wed, May 27
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$126 Roundtrip, found 16 hours ago
$126
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, May 20 from Raleigh - Durham Intl. to Denver Intl., returning Wed, May 27, priced at $126 found 16 hours ago
Sun, May 24 - Wed, May 27
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, May 24 from Raleigh - Durham Intl. to Denver Intl., returning Wed, May 27, priced at $136 found 4 days ago
Wed, Jun 24 - Wed, Jul 1
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$137 Roundtrip, found 16 hours ago
$137
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, Jun 24 from Raleigh - Durham Intl. to Denver Intl., returning Wed, Jul 1, priced at $137 found 16 hours ago
Wed, May 13 - Tue, May 19
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 13 from Raleigh - Durham Intl. to Denver Intl., returning Tue, May 19, priced at $142 found 1 day ago
Thu, Jun 4 - Sat, Jun 6
RDU
Raleigh - Durham Intl.
DEN
Denver Intl.
$143 Roundtrip, found 4 days ago
$143
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jun 4 from Raleigh - Durham Intl. to Denver Intl., returning Sat, Jun 6, priced at $143 found 4 days ago