Frontier Airlines Flight 1819 Deals & Information (2026/2027)

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Frontier Airlines Flight 1819 Route Deals From $28

The cheapest prices found with in the last 7 days for return flights were $56 and $28 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 3 - Sat, Mar 7
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Mar 3 from Denver Intl. to Sky Harbor Intl., returning Sat, Mar 7, priced at $56 found 1 hour ago
Sat, Feb 14 - Sat, Feb 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$57 Roundtrip, just found
$57
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 14 from Denver Intl. to Sky Harbor Intl., returning Sat, Feb 21, priced at $57 just found
Sat, Apr 11 - Tue, Apr 14
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$61 Roundtrip, found 5 hours ago
$61
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Denver Intl. to Sky Harbor Intl., returning Tue, Apr 14, priced at $61 found 5 hours ago
Sat, Feb 28 - Mon, Mar 2
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$62 Roundtrip, found 2 hours ago
$62
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Denver Intl. to Sky Harbor Intl., returning Mon, Mar 2, priced at $62 found 2 hours ago
Thu, Feb 26 - Mon, Mar 2
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Feb 26 from Denver Intl. to Sky Harbor Intl., returning Mon, Mar 2, priced at $66 just found
Wed, Apr 22 - Sat, Apr 25
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$70 Roundtrip, found 8 hours ago
$70
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Apr 22 from Denver Intl. to Sky Harbor Intl., returning Sat, Apr 25, priced at $70 found 8 hours ago
Thu, Apr 23 - Tue, Apr 28
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$71 Roundtrip, found 7 hours ago
$71
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Denver Intl. to Sky Harbor Intl., returning Tue, Apr 28, priced at $71 found 7 hours ago
Thu, Apr 23 - Mon, Apr 27
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$76 Roundtrip, found 6 hours ago
$76
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Denver Intl. to Sky Harbor Intl., returning Mon, Apr 27, priced at $76 found 6 hours ago
Sun, Mar 1 - Fri, Mar 6
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$77 Roundtrip, found 15 hours ago
$77
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sun, Mar 1 from Denver Intl. to Sky Harbor Intl., returning Fri, Mar 6, priced at $77 found 15 hours ago
Sat, Feb 7 - Thu, Feb 12
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$79 Roundtrip, found 5 hours ago
$79
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Feb 7 from Denver Intl. to Sky Harbor Intl., returning Thu, Feb 12, priced at $79 found 5 hours ago