The route from Lacey to Spokane covers 280 miles across the Cascade Mountains via I-90 East. You will pass through Snoqualmie Pass, which can experience heavy snow during winter months. Driving takes approximately 4.5 to 5 hours under clear conditions. Alternatively, you can drive to SeaTac Airport and take a 60-minute flight to Spokane International Airport. This journey showcases the diverse geography of Washington, from coastal forests to the high desert of Eastern Washington.
Total Distance: 450 km driving distance; 380 km straight-line air distance.
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Direct
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Direct
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| Duration | 1 hour 10 mins | 4 hours 45 mins |
| Avg Price | $150-$300 | $60-$80 in fuel |
| Operator | Alaska Airlines | Personal Vehicle |
| Route | SEA to GEG. | I-5 North to I-90 East through Snoqualmie Pass. |
| Tip | Book at least three weeks in advance for the best fares. | Check WSDOT mountain pass reports before departing during winter. |
Late spring or early autumn to avoid mountain pass snow and summer heat waves.