Frontier Airlines Flight 1819 Deals & Information (2025/2026)

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Frontier Airlines Flight 1819 Route Deals From $44

The cheapest prices found with in the last 7 days for return flights were $88 and $44 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 16 - Sat, Jul 19
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$88 Roundtrip, found 2 hours ago
$88
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jul 16 from Denver Intl. to Sky Harbor Intl., returning Sat, Jul 19, priced at $88 found 2 hours ago
Sat, Jun 28 - Sun, Jun 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$89 Roundtrip, found 2 days ago
$89
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Jun 28 from Denver Intl. to Sky Harbor Intl., returning Sun, Jun 29, priced at $89 found 2 days ago
Tue, Aug 12 - Tue, Aug 19
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$98 Roundtrip, found 1 day ago
$98
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 12 from Denver Intl. to Sky Harbor Intl., returning Tue, Aug 19, priced at $98 found 1 day ago
Sat, Aug 9 - Sat, Aug 16
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$103 Roundtrip, found 4 hours ago
$103
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Denver Intl. to Sky Harbor Intl., returning Sat, Aug 16, priced at $103 found 4 hours ago
Thu, Jul 3 - Sat, Jul 5
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$106 Roundtrip, found 23 hours ago
$106
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Jul 3 from Denver Intl. to Sky Harbor Intl., returning Sat, Jul 5, priced at $106 found 23 hours ago
Wed, Jul 23 - Sun, Jul 27
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 23 from Denver Intl. to Sky Harbor Intl., returning Sun, Jul 27, priced at $107 just found
Thu, Jul 3 - Sat, Jul 5
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$108 Roundtrip, found 23 hours ago
$108
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Jul 3 from Denver Intl. to Sky Harbor Intl., returning Sat, Jul 5, priced at $108 found 23 hours ago
Sat, Jun 21 - Mon, Jun 30
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jun 21 from Denver Intl. to Sky Harbor Intl., returning Mon, Jun 30, priced at $109 just found
Sat, May 24 - Sat, Jun 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$110 Roundtrip, found 4 days ago
$110
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, May 24 from Denver Intl. to Sky Harbor Intl., returning Sat, Jun 21, priced at $110 found 4 days ago
Tue, Jul 1 - Tue, Jul 15
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$111 Roundtrip, just found
$111
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 1 from Denver Intl. to Sky Harbor Intl., returning Tue, Jul 15, priced at $111 just found