Alaska Airlines Flight 642 Deals & Information (2026/2027)

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Alaska Airlines Flight 642 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $137 and $89 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 12 - Sat, May 16
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 4 days ago
$137
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, May 12 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, May 16, priced at $137 found 4 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $139 found 4 days ago
Sat, Mar 7 - Tue, Mar 10
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$140 Roundtrip, found 4 days ago
$140
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Mar 7 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Mar 10, priced at $140 found 4 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$141 Roundtrip, found 4 days ago
$141
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $141 found 4 days ago
Tue, Mar 31 - Tue, Apr 7
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Mar 31 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Apr 7, priced at $147 found 5 days ago
Wed, Feb 4 - Mon, Feb 9
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Mon, Feb 9, priced at $149 found 4 days ago
Thu, Feb 19 - Tue, Feb 24
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$151 Roundtrip, found 4 days ago
$151
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Feb 19 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Feb 24, priced at $151 found 4 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$152 Roundtrip, found 4 days ago
$152
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $152 found 4 days ago
Thu, Jan 29 - Wed, Feb 4
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$152 Roundtrip, found 4 days ago
$152
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jan 29 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Wed, Feb 4, priced at $152 found 4 days ago
Wed, Feb 4 - Mon, Feb 9
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Mon, Feb 9, priced at $157 found 4 days ago