Cheap flights from Chicago to Ontario
1,702 mi · 45m average nonstop
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Quick answer: Chicago to Ontario at a glance
Cheap flights from Chicago (MDW) to Ontario (ONT) cover 1,702 miles (2,738 km) in about 45m nonstop, with 2 airlines flying direct — a long-haul international route. Search Kayak for today's cheapest live fare. Route difficulty 5/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Chicago to Ontario covers 1,702 miles (2,739 km) in approximately 0 hour 45 minutes. 2 airlines offer direct flights on this long-haul international route. This is a long-haul international route requiring advance planning for connections and layovers.
Nonstop distance 1,702 miles. Direct carriers include FL and WN.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
2 airlines fly Chicago → Ontario. All are direct routes.
| Airline | Route type |
|---|---|
| FL | Direct |
| WN | Direct |
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Chicago to Ontario — quick answers
How far is Chicago from Ontario by plane?
The nonstop flight distance from Chicago (MDW) to Ontario (ONT) is 1,702 miles (2,738 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Chicago to Ontario?
The average nonstop flight time from MDW to ONT is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Chicago to Ontario?
2 airlines serve this route nonstop: FL, WN. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.