American Airlines Flight 3799 Deals & Information (2025/2026)

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American Airlines Flight 3799 Route Deals From $54

The cheapest prices found with in the last 7 days for return flights were $123 and $54 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 15 - Sun, Oct 19
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$123 Roundtrip, found 12 hours ago
$123
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Sun, Oct 19, priced at $123 found 12 hours ago
Sat, Nov 15 - Wed, Nov 19
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$150 Roundtrip, found 6 hours ago
$150
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Nov 15 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Wed, Nov 19, priced at $150 found 6 hours ago