LGA (New York) to Chicago in September 2026

Dated one-way fares from LGA (New York) to Chicago in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $110

Highest this month $151

Sample fare $109

Airports LGA–MDW

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September 2026 price calendar

From $110 · up to $151

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $132 2 $132 3 $150 4 $147 5 $151 6 $141 7 $138 8 $138 9 $135 10 $121 11 $121 12 $110 13 $136 14 $138 15 $119 16 $124 17 $117 18 $124 19 $127 20 $121 21 $123 22 $126 23 $122 24 $118 25 $122 26 $126 27 $130 28 $130 29 $112 30 $127

Chicago CHI

$110

Sep 12, 6:15am · 6h 36m · 1 stop

LGA → ORD · Frontier Airlines

Chicago CHI

$112

Sep 29, 6:15am · 6h 36m · 1 stop

LGA → ORD · Frontier Airlines

Chicago CHI

$117

Sep 17, 7:25am · 2h 20m · 0 stops

LGA → MDW · Southwest Airlines

Chicago CHI

$118

Sep 24, 6:00am · 2h 15m · 0 stops

LGA → MDW · Southwest Airlines

Chicago CHI

$119

Sep 15, 6:00am · 2h 15m · 0 stops

LGA → MDW · Southwest Airlines

This page is only September 2026 on the LGA (New York) 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 LGA (New York) to Chicago in September 2026.