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Cheap flights from Ontario to Chicago from US$114
United Airlines, Southwest Airlines and Volaris fly nonstop from Ontario to Chicago, about 13 flights a week. The flight takes around 4h 53m, and the cheapest one-way fare we found recently is US$114 on 5 Nov.
Direct flights available ~13 flights a week 4h 53m Cheapest in November Prices checked 13 days ago
Ontario to Chicago at a glance
Cheapest one-wayUS$114Frontier Airlines · 1 stop · Thu 5 NovCheapest returnUS$221Thu 17 Dec – Sun 10 JanFastest flight4h 53mFrontier Airlines · 1 stop
Nonstop flights13/wkUnited Airlines, Southwest Airlines, Volaris
Airlines flying nonstop from Ontario to Chicago
3 airlines on this route, about 13 flights a week in total (observed over the last 4 weeks).
Cheapest dates from Ontario to Chicago
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 2,730 km1,695 miles
- Flight time
- 4h 53mfastest found
- Time difference
- +2hChicago vs Ontario
- Currency in Chicago
- USD
- Airports
- ONT → ORD, MDW, RFD
Flights from Ontario to Chicago: questions answered
How much is a flight from Ontario to Chicago?
The cheapest one-way fare we found recently is US$114 with 1 stop, departing in November. Return trips start from US$221. Prices change constantly, so search your dates for the live fare.
Are there direct flights from Ontario to Chicago?
Yes. United Airlines, Southwest Airlines and Volaris fly this route nonstop, with about 13 flights a week in each direction.
How long is the flight from Ontario to Chicago?
A nonstop flight covers 2,730 km and takes around 4h 53m.
Which airlines fly from Ontario to Chicago?
United Airlines, Southwest Airlines and Volaris operate nonstop flights on this route.
Which airports serve Ontario and Chicago?
Ontario: Ontario International Airport (ONT). Chicago: Chicago O'Hare International Airport (ORD), Chicago Midway International Airport (MDW) and Chicago Rockford International Airport (RFD).
What is the time difference between Ontario and Chicago?
Chicago is 2 hours ahead of Ontario.
