FFL Helper

FFL Helper / MDW (Chicago) / Ontario / August 2026

MDW → ONT · 2026-08

MDW (Chicago) to Ontario in August 2026

Dated one-way fares from MDW (Chicago) to Ontario in August 2026. Use the calendar to see which days are cheaper.

Lowest this month $111
Highest this month $122
Sample fare $111
Airports MDW–ONT
Search August 2026 tickets

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Other months: August 2026 · September 2026 · Full route

August 2026 price calendar

August 2026

From $111 · up to $122

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24 $111 25 $116 26 $116 27 $116 28 $122 29 $118 30 $114 31 $122

Dated fares

Ontario ONT

$111

Aug 24, 9:26pm · 13h 10m · 1 stop

MDW → ONT · Frontier Airlines

Tickets

Ontario ONT

$114

Aug 30, 9:26pm · 13h 12m · 1 stop

MDW → ONT · Frontier Airlines

Tickets

Ontario ONT

$122

Aug 28, 9:26pm · 13h 10m · 1 stop

MDW → ONT · Frontier Airlines

Tickets

Ontario ONT

$122

Aug 31, 9:26pm · 13h 10m · 1 stop

MDW → ONT · Frontier Airlines

Tickets

Booking MDW to ONT in August 2026

This page is only August 2026 on the MDW (Chicago) to Ontario 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 MDW (Chicago) to Ontario in August 2026.