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

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Alaska Airlines Flight 642 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $137 and $80 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 10 - Tue, Feb 17
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Feb 17, priced at $137 found 1 hour ago
Wed, Jan 28 - Tue, Feb 3
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$139 Roundtrip, found 22 hours ago
$139
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Wed, Jan 28 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Feb 3, priced at $139 found 22 hours ago
Sat, Jan 31 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$142 Roundtrip, found 8 hours ago
$142
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $142 found 8 hours ago
Tue, Feb 10 - Sun, Mar 8
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$147 Roundtrip, found 23 hours ago
$147
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Mar 8, priced at $147 found 23 hours ago
Sat, Feb 7 - Sun, Feb 8
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$151 Roundtrip, found 1 day ago
$151
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Feb 8, priced at $151 found 1 day ago
Sat, Jan 31 - Sun, Feb 1
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$152 Roundtrip, found 6 hours ago
$152
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Feb 1, priced at $152 found 6 hours ago
Thu, Feb 12 - Tue, Feb 17
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$152 Roundtrip, found 18 hours ago
$152
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Feb 12 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Feb 17, priced at $152 found 18 hours ago
Fri, Mar 13 - Sun, Mar 15
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Mar 13 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Mar 15, priced at $157 found 2 hours ago
Thu, Feb 5 - Sun, Feb 8
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$160 Roundtrip, found 5 hours ago
$160
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, Feb 5 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Feb 8, priced at $160 found 5 hours ago
Wed, Jan 28 - Sat, Jan 31
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 28 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sat, Jan 31, priced at $161 found 1 day ago
Fri, Feb 13 - Mon, Feb 16
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$161 Roundtrip, found 6 hours ago
$161
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, Feb 13 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Mon, Feb 16, priced at $161 found 6 hours ago
Thu, Feb 5 - Sun, Feb 8
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$162 Roundtrip, found 5 hours ago
$162
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, Feb 5 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Sun, Feb 8, priced at $162 found 5 hours ago
Tue, Feb 10 - Tue, Feb 17
RNO
Reno-Tahoe Intl.
SEA
Seattle - Tacoma Intl.
$167 Roundtrip, found 1 hour ago
$167
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Reno-Tahoe Intl. to Seattle - Tacoma Intl., returning Tue, Feb 17, priced at $167 found 1 hour ago