FFL Helper / Seattle / Chicago

SEA → CHI

Seattle (SEA) to Chicago (CHI)

Compare one-way fares for flights from Seattle to Chicago.

Lowest fare $88

Distance 1,733 mi

Flight time 5h 54m

Airports SEA–ORD

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By month: November 2026 from $88

Price calendar

October 2026

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November 2026

From $88 · up to $142

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10 $142 11 $88 12 $113 13 $113 14 $113 15 $113 16 $113 17 $113 18 $113 19 $113 20 $113 21 $113 22 $113 23 $113 24 $139

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Upcoming dates

Chicago CHI

$88

Nov 11, 4:27pm · 5h 54m · 1 stop

SEA → ORD · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from Seattle to Chicago. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Seattle to Chicago.