FFL Helper / St Louis / Chicago / October 2026

STL → CHI · 2026-10

St Louis to Chicago in October 2026

Dated one-way fares from St Louis to Chicago in October 2026. Use the calendar to see which days are cheaper.

Lowest this month $158

Highest this month $185

Sample fare $56

Airports STL–ORD

Search October 2026 tickets

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Other months: August 2026 · September 2026 · October 2026 · Full route

October 2026 price calendar

October 2026

From $158 · up to $185

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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2

3

4 $185 5 $172 6 $172 7 $172 8 $172 9 $172 10 $172 11 $158

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Dated fares

Chicago CHI

$56

Nov 23, 5:00am · 1h 36m · 0 stops

STL → ORD · United Airlines

Tickets

Chicago CHI

$62

Sep 23, 12:50pm · 1h 5m · 0 stops

STL → MDW · Southwest Airlines

Tickets

Chicago CHI

$62

Sep 24, 2:20pm · 1h 10m · 0 stops

STL → MDW · Southwest Airlines

Tickets

Chicago CHI

$63

Sep 28, 6:05am · 1h 5m · 0 stops

STL → MDW · Southwest Airlines

Tickets

Chicago CHI

$63

Sep 26, 5:45am · 1h 5m · 0 stops

STL → MDW · Southwest Airlines

Tickets

Chicago CHI

$63

Sep 12, 8:25am · 1h 5m · 0 stops

STL → MDW · Southwest Airlines

Tickets

Booking STL to CHI in October 2026

This page is only October 2026 on the St Louis 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 St Louis to Chicago in October 2026.