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, Feb 17 - Wed, Feb 25
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$56 Roundtrip, found 8 hours ago
$56
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, Feb 17 from Denver Intl. to Sky Harbor Intl., returning Wed, Feb 25, priced at $56 found 8 hours ago
Wed, Feb 25 - Wed, Mar 4
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$57 Roundtrip, found 8 hours ago
$57
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Feb 25 from Denver Intl. to Sky Harbor Intl., returning Wed, Mar 4, priced at $57 found 8 hours ago
Sat, Feb 14 - Wed, Feb 18
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Feb 14 from Denver Intl. to Sky Harbor Intl., returning Wed, Feb 18, priced at $58 found 1 hour ago
Mon, Mar 2 - Wed, Mar 4
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$61 Roundtrip, found 1 hour ago
$61
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Denver Intl. to Sky Harbor Intl., returning Wed, Mar 4, priced at $61 found 1 hour ago
Mon, Mar 2 - Fri, Mar 6
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$66 Roundtrip, found 1 hour ago
$66
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Denver Intl. to Sky Harbor Intl., returning Fri, Mar 6, priced at $66 found 1 hour ago
Sat, Apr 18 - Tue, Apr 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$70 Roundtrip, just found
$70
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Apr 18 from Denver Intl. to Sky Harbor Intl., returning Tue, Apr 21, priced at $70 just found
Mon, Mar 2 - Tue, Mar 3
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$71 Roundtrip, found 1 day ago
$71
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Denver Intl. to Sky Harbor Intl., returning Tue, Mar 3, priced at $71 found 1 day ago
Sun, Feb 15 - Wed, Feb 18
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$73 Roundtrip, found 3 hours ago
$73
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Feb 15 from Denver Intl. to Sky Harbor Intl., returning Wed, Feb 18, priced at $73 found 3 hours ago
Wed, Feb 18 - Thu, Feb 26
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$73 Roundtrip, found 9 hours ago
$73
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Feb 18 from Denver Intl. to Sky Harbor Intl., returning Thu, Feb 26, priced at $73 found 9 hours ago
Mon, Mar 2 - Mon, Mar 16
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$75 Roundtrip, found 3 hours ago
$75
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Denver Intl. to Sky Harbor Intl., returning Mon, Mar 16, priced at $75 found 3 hours ago