Santa Ana to Chicago in September 2026

Dated one-way fares from Santa Ana to Chicago in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $147

Highest this month $360

Sample fare $147

Airports SNA–ORD

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September 2026 price calendar

From $147 · up to $360

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $220 2 $198 3 $360 4 $317 5 $273 6 $236 7 $236 8 $200 9 $233 10 $266 11 $228 12 $190 13 $239 14 $197 15 $197 16 $154 17 $194 18 $235 19 $168 20 $157 21 $147 22 $176 23 $176 24 $205 25 $159 26 $160 27 $160 28 $160 29 $162

Chicago CHI

$147

Sep 21, 10:45am · 6h 50m · 1 stop

SNA → ORD · Frontier Airlines

Chicago CHI

$154

Sep 16, 1:09pm · 8h 50m · 1 stop

SNA → ORD · Alaska Airlines

Chicago CHI

$159

Sep 25, 11:50am · 10h 33m · 1 stop

SNA → ORD · Frontier Airlines

Chicago CHI

$162

Sep 29, 1:09pm · 8h 50m · 1 stop

SNA → ORD · Alaska Airlines

This page is only September 2026 on the Santa Ana to Chicago 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 Santa Ana to Chicago in September 2026.