$115 Cheap flight deals from Chicago (CHI) to Ontario (BOI)
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This Weekend's Flight Deals from Chicago to Ontario
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $115 One Way, $259 Round Trip from Chicago to Ontario
Prices starting at $259 for return flights and $115 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Ontario economy flight packages
Courtyard by Marriott Boise West Meridian
Mar 26 - Mar 29
Chicago (CHI) to Boise (BOI)
Boise (BOI) to Chicago (CHI)
Reviewed on Dec 30, 2025
The Avery Hotel
Mar 26 - Mar 29
Chicago (CHI) to Boise (BOI)
Boise (BOI) to Chicago (CHI)
Reviewed on Aug 14, 2025
Hotel 43
Mar 26 - Mar 29
Chicago (CHI) to Boise (BOI)
Boise (BOI) to Chicago (CHI)
Reviewed on Dec 10, 2025
More About Flying To Ontario from Chicago
Route Information for Flights from Chicago to Ontario
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | BOI |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to Ontario
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.