Salt Lake City to Seattle in August 2026

Dated one-way fares from Salt Lake City to Seattle in August 2026. Use the calendar to see which days are cheaper.

Lowest this month $156

Highest this month $182

Sample fare $132

Airports SLC–SEA

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August 2026 price calendar

From $156 · up to $182

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 $167 30 $182 31 $156

Seattle SEA

$156

Aug 31, 3:31pm · 2h 16m · 0 stops

SLC → SEA · Alaska Airlines

Seattle SEA

$167

Aug 29, 8:16am · 6h 6m · 1 stop

SLC → SEA · Frontier Airlines

Seattle SEA

$182

Aug 30, 10:32am · 2h 15m · 0 stops

SLC → SEA · Alaska Airlines

This page is only August 2026 on the Salt Lake City to Seattle route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Salt Lake City to Seattle in August 2026.