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 $84 and $44 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 9 - Thu, Nov 13
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Nov 9 from Denver Intl. to Sky Harbor Intl., returning Thu, Nov 13, priced at $84 just found
Fri, Nov 7 - Sun, Nov 9
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$85 Roundtrip, just found
$85
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Denver Intl. to Sky Harbor Intl., returning Sun, Nov 9, priced at $85 just found
Fri, Sep 26 - Tue, Sep 30
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$96 Roundtrip, found 4 hours ago
$96
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Sep 26 from Denver Intl. to Sky Harbor Intl., returning Tue, Sep 30, priced at $96 found 4 hours ago
Thu, Sep 18 - Fri, Sep 19
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$101 Roundtrip, found 4 hours ago
$101
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Denver Intl. to Sky Harbor Intl., returning Fri, Sep 19, priced at $101 found 4 hours ago
Fri, Oct 24 - Wed, Oct 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$104 Roundtrip, found 8 hours ago
$104
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Denver Intl. to Sky Harbor Intl., returning Wed, Oct 29, priced at $104 found 8 hours ago
Thu, Oct 2 - Sun, Oct 5
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$106 Roundtrip, found 3 hours ago
$106
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Oct 2 from Denver Intl. to Sky Harbor Intl., returning Sun, Oct 5, priced at $106 found 3 hours ago
Wed, Sep 24 - Sun, Oct 5
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$106 Roundtrip, found 6 hours ago
$106
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Sep 24 from Denver Intl. to Sky Harbor Intl., returning Sun, Oct 5, priced at $106 found 6 hours ago
Wed, Oct 15 - Wed, Oct 22
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 15 from Denver Intl. to Sky Harbor Intl., returning Wed, Oct 22, priced at $108 just found
Thu, Sep 25 - Sat, Oct 4
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$108 Roundtrip, found 6 days ago
$108
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Denver Intl. to Sky Harbor Intl., returning Sat, Oct 4, priced at $108 found 6 days ago
Fri, Sep 19 - Sat, Oct 11
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$109 Roundtrip, found 6 days ago
$109
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Sep 19 from Denver Intl. to Sky Harbor Intl., returning Sat, Oct 11, priced at $109 found 6 days ago