
Alaska Airlines Flight WN642 Deals & Information (2025/2026)
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Alaska Airlines Flight 642 Route Deals From $79
The cheapest prices found with in the last 7 days for return flights were $165 and $79 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
SEA
Seattle - Tacoma Intl.
DEN
Denver Intl.
$165 Roundtrip, just found
$165
Roundtrip
just found
SEA
Seattle - Tacoma Intl.
DEN
Denver Intl.
$166 Roundtrip, just found
$166
Roundtrip
just found
SEA
Seattle - Tacoma Intl.
DEN
Denver Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
SEA
Seattle - Tacoma Intl.
DEN
Denver Intl.
$168 Roundtrip, just found
$168
Roundtrip
just found
PAE
Seattle Paine Field Intl. Airport
DEN
Denver Intl.
$245 Roundtrip, found 21 hours ago
$245
Roundtrip
found 21 hours ago