FFL Helper

FFL Helper / Seattle / Chicago

SEA → CHI

Seattle to Chicago

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

Lowest fare $125
Distance 1,733 mi
Flight time 7h 53m
Airports SEA–ORD
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By month: August 2026 from $170 · September 2026 from $125

Price calendar

August 2026

From $170 · up to $240

Mon
Tue
Wed
Thu
Fri
Sat
Sun
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2
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11
12
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23 $240 24 $170 25 $180
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31

September 2026

From $125 · up to $178

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2 $178 3 $164 4 $164 5 $164 6 $164 7 $164 8 $164 9 $164 10 $164 11 $164 12 $150 13 $176 14 $151 15 $151 16 $151 17 $151 18 $125
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Upcoming dates

Chicago CHI

$125

Sep 18, 7:45pm · 7h 53m · 1 stop

SEA → ORD · Frontier Airlines

Tickets

Chicago CHI

$150

Sep 12, 12:16am · 4h 4m · 0 stops

SEA → ORD · Alaska 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.