Frontier Airlines Flight 1819 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frontier Airlines Flight 1819 Route Deals From $26

The cheapest prices found with in the last 7 days for return flights were $50 and $26 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 25 - Sat, Dec 27
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$50 Roundtrip, found 6 hours ago
$50
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Dec 25 from Denver Intl. to Sky Harbor Intl., returning Sat, Dec 27, priced at $50 found 6 hours ago
Fri, Dec 26 - Mon, Dec 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$52 Roundtrip, just found
$52
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 26 from Denver Intl. to Sky Harbor Intl., returning Mon, Dec 29, priced at $52 just found
Fri, Dec 26 - Sun, Dec 28
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$55 Roundtrip, found 8 hours ago
$55
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Dec 26 from Denver Intl. to Sky Harbor Intl., returning Sun, Dec 28, priced at $55 found 8 hours ago
Fri, Dec 19 - Mon, Dec 29
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$55 Roundtrip, found 1 hour ago
$55
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 19 from Denver Intl. to Sky Harbor Intl., returning Mon, Dec 29, priced at $55 found 1 hour ago
Sun, Dec 21 - Sun, Dec 28
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sun, Dec 21 from Denver Intl. to Sky Harbor Intl., returning Sun, Dec 28, priced at $58 found 4 hours ago
Sat, Dec 13 - Sat, Dec 20
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$60 Roundtrip, found 1 hour ago
$60
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Dec 13 from Denver Intl. to Sky Harbor Intl., returning Sat, Dec 20, priced at $60 found 1 hour ago
Fri, Dec 19 - Sun, Dec 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$60 Roundtrip, found 4 hours ago
$60
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Dec 19 from Denver Intl. to Sky Harbor Intl., returning Sun, Dec 21, priced at $60 found 4 hours ago
Fri, Dec 19 - Sun, Dec 21
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$61 Roundtrip, found 4 hours ago
$61
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Dec 19 from Denver Intl. to Sky Harbor Intl., returning Sun, Dec 21, priced at $61 found 4 hours ago
Fri, Dec 26 - Thu, Jan 1
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$62 Roundtrip, just found
$62
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 26 from Denver Intl. to Sky Harbor Intl., returning Thu, Jan 1, priced at $62 just found
Sun, Dec 14 - Fri, Dec 26
DEN
Denver Intl.
PHX
Sky Harbor Intl.
$64 Roundtrip, found 6 days ago
$64
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Dec 14 from Denver Intl. to Sky Harbor Intl., returning Fri, Dec 26, priced at $64 found 6 days ago