Minneapolis to Seattle in September 2026

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

Lowest this month $119

Highest this month $180

Sample fare $119

Airports MSP–SEA

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September 2026 price calendar

From $119 · up to $180

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $180 3 $170 4 $170 5 $170 6 $170 7 $170 8 $170 9 $170 10 $170 11 $170 12 $170 13 $170 14 $170 15 $170 16 $170 17 $170 18 $161 19 $122 20 $120 21 $120 22 $120 23 $119

Seattle SEA

$119

Sep 23, 7:00am · 10h 8m · 1 stop

MSP → SEA · Frontier Airlines

Seattle SEA

$122

Sep 19, 7:00am · 10h 8m · 1 stop

MSP → SEA · Frontier Airlines

Seattle SEA

$161

Sep 18, 7:54pm · 15h 48m · 1 stop

MSP → SEA · Frontier Airlines

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