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.

Sat, Aug 2 - Tue, Aug 5
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Aug 2 from Denver Intl. to Sky Harbor Intl., returning Tue, Aug 5, priced at $88 found 1 hour ago
Sat, Jun 28 - Sun, Jun 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$89 Roundtrip, found 5 hours ago
$89
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Jun 28 from Denver Intl. to Sky Harbor Intl., returning Sun, Jun 29, priced at $89 found 5 hours ago
Sat, Jun 28 - Sun, Jun 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$91 Roundtrip, found 5 hours ago
$91
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Jun 28 from Denver Intl. to Sky Harbor Intl., returning Sun, Jun 29, priced at $91 found 5 hours ago
Tue, Jul 8 - Sun, Jul 13
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$107 Roundtrip, found 2 hours ago
$107
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jul 8 from Denver Intl. to Sky Harbor Intl., returning Sun, Jul 13, priced at $107 found 2 hours ago
Sat, May 17 - Tue, May 20
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 17 from Denver Intl. to Sky Harbor Intl., returning Tue, May 20, priced at $109 found 1 hour 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
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, Jul 10 - Sun, Jul 13
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$126 Roundtrip, just found
$126
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Sky Harbor Intl., returning Sun, Jul 13, priced at $126 just found
Sat, Aug 9 - Sun, Aug 17
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$130 Roundtrip, found 4 days ago
$130
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Denver Intl. to Sky Harbor Intl., returning Sun, Aug 17, priced at $130 found 4 days ago