Alaska Airlines Flight DL599 Deals & Information (2025/2026)

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Alaska Airlines Flight 599 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $126 and $75 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 17 - Mon, Sep 22
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$126 Roundtrip, found 10 hours ago
$126
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Mon, Sep 22, priced at $126 found 10 hours ago
Fri, Sep 12 - Sun, Sep 14
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 12 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $130 just found
Mon, Sep 15 - Mon, Sep 22
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$132 Roundtrip, found 19 hours ago
$132
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Mon, Sep 22, priced at $132 found 19 hours ago
Sat, Sep 13 - Sun, Sep 14
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$136 Roundtrip, found 4 hours ago
$136
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $136 found 4 hours ago
Sat, Sep 13 - Mon, Sep 15
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$145 Roundtrip, found 3 hours ago
$145
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Mon, Sep 15, priced at $145 found 3 hours ago
Tue, Sep 9 - Thu, Sep 11
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Thu, Sep 11, priced at $150 found 1 hour ago
Wed, Sep 17 - Sun, Sep 21
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$153 Roundtrip, found 2 hours ago
$153
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Sun, Sep 21, priced at $153 found 2 hours ago
Wed, Sep 17 - Sun, Sep 21
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$156 Roundtrip, found 2 hours ago
$156
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Sun, Sep 21, priced at $156 found 2 hours ago
Thu, Sep 11 - Sun, Sep 14
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Sep 11 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $157 just found
Fri, Sep 12 - Mon, Sep 15
LAS
Harry Reid Intl.
SEA
Seattle - Tacoma Intl.
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 12 from Harry Reid Intl. to Seattle - Tacoma Intl., returning Mon, Sep 15, priced at $160 just found