Cheap Flights from Chicago to Ontario
Cheap Flights from Chicago to Ontario
Looking for cheap flights from Chicago to Ontario? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Chicago to Ontario vary by season, cabin, and date, but available award flights can start around 9,500–12,500 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Chicago to Ontario for specific travel dates.
2027-01-03
ORD - ONT
Economy | 1 Stop
From 9,500 Pts + $5.6
2026-11-25
ORD - ONT
Economy | 2 Stops
From 10,500 Pts + $11.2
2026-11-19
ORD - ONT
Economy | 2 Stops
From 11,500 Pts + $11.2
2026-11-21
ORD - ONT
Economy | 2 Stops
From 11,500 Pts + $11.2
2026-11-09
ORD - ONT
Economy | 1 Stop
From 12,500 Pts + $11.2
2026-11-20
ORD - ONT
Economy | 1 Stop
From 12,500 Pts + $11.2
Chicago to Ontario flight facts
Distance
1,692 mi
2,724 km in a straight line
Estimated flight time
about 4h
In the air, for the straight-line distance
Time difference
−2h
Ontario is 2 hours behind Chicago.
Airports in Chicago
DPA · Dupage
MDW · Chicago Midway Intl
ORD · Chicago O'Hare Intl
Airports in Ontario
ONT · Ontario Intl
Nearby airport alternatives
Flights Chicago - Santa Ana · Santa Ana is 30 mi from Ontario
Flights Chicago - Burbank · Burbank is 44 mi from Ontario
Flights Chicago - Los Angeles · Los Angeles is 47 mi from Ontario
Flights Chicago - Palm Springs · Palm Springs is 65 mi from Ontario
Flights Milwaukee - Ontario · Milwaukee is 73 mi from Chicago
Flights Chicago - San Diego · San Diego is 94 mi from Ontario
Premium cabin flights from Chicago to Ontario
Premium cabin
2026-11-08
ORD - ONT
First | 1 Stop
From 30,000 Pts + $11.2
Premium cabin
2026-11-06
ORD - ONT
First | 2 Stops
From 32,500 Pts + $5.6
Premium cabin
2026-11-06
ORD - ONT
First | 1 Stop | 2 left
From 35,000 Pts + $25.6
Premium cabin
2026-11-07
ORD - ONT
First | 1 Stop | 2 left
From 35,000 Pts + $25.6
Premium cabin
2026-11-19
ORD - ONT
First | 1 Stop | 2 left
From 35,000 Pts + $25.6
Premium cabin
2026-11-08
ORD - ONT
First | 1 Stop | 2 left
From 35,000 Pts + $31.2
Selected hotels for your next stay
Hollywood (United States)
Dream Hollywood
From 15,000 Pts or $267
Los Angeles (United States)
Hotel Figueroa
From 15,000 Pts or $189
Newport Beach (United States)
Hyatt Regency Newport Beach
From 15,000 Pts or $249
Frequently Asked Questions
The cheapest route from Chicago to Ontario depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Chicago to Ontario.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Chicago to Ontario.
Chicago and Ontario are about 1,692 miles (2,724 km) apart in a straight line.
Flying the 1,692-mile straight-line distance takes about 4h in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Ontario is 2 hours behind Chicago.
Departures from Chicago: Dupage (DPA), Chicago Midway Intl (MDW), Chicago O'Hare Intl (ORD). Arrivals in Ontario: Ontario Intl (ONT).
Travelers searching this route also look at other popular routes into Ontario, plus the return trip when we track it. Fares and award space change daily.
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