Cincinnati to Seattle in September 2026

Dated one-way fares from Cincinnati to Seattle in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $168

Highest this month $186

Sample fare $168

Airports CVG–SEA

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September 2026 price calendar

From $168 · up to $186

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $186 3 $177 4 $177 5 $177 6 $177 7 $177 8 $177 9 $177 10 $177 11 $177 12 $177 13 $177 14 $177 15 $177 16 $168

Seattle SEA

$168

Sep 16, 5:16pm · 24h 52m · 1 stop

CVG → SEA · Frontier Airlines

This page is only September 2026 on the Cincinnati 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 Cincinnati to Seattle in September 2026.