Frontier Airlines Flight WN1439 Deals & Information (2025/2026)

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Frontier Airlines Flight 1439 Route Deals From $42

The cheapest prices found with in the last 7 days for return flights were $69 and $42 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 7 - Sat, May 10
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$69 Roundtrip, found 10 hours ago
$69
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, May 7 from Salt Lake City Intl. to Sky Harbor Intl., returning Sat, May 10, priced at $69 found 10 hours ago
Sat, May 17 - Wed, May 21
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$69 Roundtrip, found 9 hours ago
$69
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Salt Lake City Intl. to Sky Harbor Intl., returning Wed, May 21, priced at $69 found 9 hours ago
Wed, Apr 30 - Wed, Jun 25
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$76 Roundtrip, found 2 days ago
$76
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Apr 30 from Salt Lake City Intl. to Sky Harbor Intl., returning Wed, Jun 25, priced at $76 found 2 days ago
Tue, May 13 - Sat, May 17
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$79 Roundtrip, found 12 hours ago
$79
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Tue, May 13 from Salt Lake City Intl. to Sky Harbor Intl., returning Sat, May 17, priced at $79 found 12 hours ago
Sat, Aug 2 - Tue, Aug 5
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$82 Roundtrip, found 1 day ago
$82
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 2 from Salt Lake City Intl. to Sky Harbor Intl., returning Tue, Aug 5, priced at $82 found 1 day ago
Sat, Jun 7 - Mon, Jun 9
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$84 Roundtrip, found 12 hours ago
$84
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Jun 7 from Salt Lake City Intl. to Sky Harbor Intl., returning Mon, Jun 9, priced at $84 found 12 hours ago
Mon, Jun 2 - Tue, Jun 17
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$87 Roundtrip, found 13 hours ago
$87
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Salt Lake City Intl. to Sky Harbor Intl., returning Tue, Jun 17, priced at $87 found 13 hours ago
Tue, May 13 - Thu, May 15
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$89 Roundtrip, found 13 hours ago
$89
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, May 13 from Salt Lake City Intl. to Sky Harbor Intl., returning Thu, May 15, priced at $89 found 13 hours ago
Sat, Jul 26 - Sat, Aug 2
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$89 Roundtrip, found 11 hours ago
$89
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sat, Jul 26 from Salt Lake City Intl. to Sky Harbor Intl., returning Sat, Aug 2, priced at $89 found 11 hours ago
Sat, Jun 28 - Sat, Jul 5
SLC
Salt Lake City Intl.
PHX
Sky Harbor Intl.
$91 Roundtrip, found 11 hours ago
$91
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sat, Jun 28 from Salt Lake City Intl. to Sky Harbor Intl., returning Sat, Jul 5, priced at $91 found 11 hours ago