American Airlines Flight 1638 Deals & Information (2025/2026)

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American Airlines Flight 1638 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $141 and $70 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 9 - Wed, Aug 13
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$141 Roundtrip, found 8 hours ago
$141
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Aug 9 from Sky Harbor Intl. to Denver Intl., returning Wed, Aug 13, priced at $141 found 8 hours ago
Wed, Jul 23 - Sat, Jul 26
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Denver Intl., returning Sat, Jul 26, priced at $160 found 1 day ago