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.

Fri, Aug 8 - Tue, Aug 12
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 8 from Denver Intl. to Sky Harbor Intl., returning Tue, Aug 12, priced at $88 just found
Fri, Jun 27 - Sun, Jun 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$89 Roundtrip, just found
$89
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jun 27 from Denver Intl. to Sky Harbor Intl., returning Sun, Jun 29, priced at $89 just found
Fri, Jun 27 - Sun, Jun 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$91 Roundtrip, just found
$91
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jun 27 from Denver Intl. to Sky Harbor Intl., returning Sun, Jun 29, priced at $91 just found
Sat, May 17 - Tue, May 20
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$109 Roundtrip, found 8 hours ago
$109
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Denver Intl. to Sky Harbor Intl., returning Tue, May 20, priced at $109 found 8 hours ago
Sat, May 24 - Sat, Jun 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$110 Roundtrip, found 2 days ago
$110
Roundtrip
found 2 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 2 days ago
Tue, May 27 - Fri, May 30
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$118 Roundtrip, found 8 hours ago
$118
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, May 27 from Denver Intl. to Sky Harbor Intl., returning Fri, May 30, priced at $118 found 8 hours ago
Sun, Jun 15 - Tue, Jun 17
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$121 Roundtrip, found 1 day ago
$121
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jun 15 from Denver Intl. to Sky Harbor Intl., returning Tue, Jun 17, priced at $121 found 1 day ago
Thu, May 29 - Mon, Jun 2
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$122 Roundtrip, found 8 hours ago
$122
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Denver Intl. to Sky Harbor Intl., returning Mon, Jun 2, priced at $122 found 8 hours ago