Costco Gas Prices in Kirkland, Washington
Kirkland · Warehouse #8
8629 120TH AVE NE, Kirkland, Washington 98033-5822
Prices updated: August 11, 2026 at 5:00 PM
Regular
$4.999
PRICE PER GALLON
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Premium
$5.399
PRICE PER GALLON
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Current gas prices at Costco #8
This Costco gas station is located at 8629 120TH AVE NE in Kirkland, Washington. The latest reported fuel prices are regular at $4.999/gal, premium at $5.399/gal. Prices were last updated on August 11, 2026 at 5:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.999+0.160 (3.3%)
Premium
$5.399+0.100 (1.9%)
DateRegPrem
Aug 11, 5:00 PM$4.999$5.399
Aug 11, 4:00 PM$4.999$5.499
Aug 7, 9:00 PM$4.999$5.559
Aug 5, 2:00 PM—$5.499
Aug 5, 1:00 PM$4.999$5.499
Aug 4, 9:00 PM$4.999$5.599
Aug 3, 4:00 PM$4.999$5.499
Jul 31, 10:00 PM$4.999$5.449
Jul 26, 5:00 PM$4.949$5.449
Jul 24, 4:00 PM$4.899$5.449
Jul 23, 4:00 PM$4.899$5.399
Jul 22, 4:00 PM$4.899$5.299
Jul 19, 4:00 PM$4.869$5.299
Jul 16, 5:00 PM$4.779$5.299
Jul 14, 10:00 PM$4.839$5.299