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 $138

Highest this month $186

Sample fare $138

Airports CVG–SEA

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

September 2026 price calendar

From $138 · up to $186

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $186 3 $162 4 $162 5 $162 6 $162 7 $162 8 $138 9 $153 10 $153 11 $153 12 $153 13 $153 14 $153 15 $153 16 $168

Seattle SEA

$138

Sep 08, 6:42pm · 4h 53m · 0 stops

CVG → SEA · Alaska 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.