Cheap Flights from Ontario to Chicago
Cheap Flights from Ontario to Chicago
Looking for cheap flights from Ontario to Chicago? 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 Ontario to Chicago vary by season, cabin, and date, but available award flights can start around 11,500–20,500 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 Ontario to Chicago for specific travel dates.
2026-12-28
ONT - ORD
Economy | 1 Stop
From 11,500 Pts + $11.2
2026-12-28
ONT - ORD
Economy | Non stop | 9+ left
From 12,500 Pts + $25.6
2026-12-25
ONT - ORD
Economy | Non stop | 9+ left
From 15,000 Pts + $5.6
2026-12-25
ONT - ORD
Economy | Non stop | 9+ left
From 17,500 Pts + $33.5
2026-12-19
ONT - ORD
Economy | 1 Stop | 9+ left
From 20,000 Pts + $19.5
2026-11-29
ONT - ORD
Economy | 2 Stops
From 20,500 Pts + $5.6
Ontario to Chicago 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
Chicago is 2 hours ahead of Ontario.
Airports in Ontario
ONT · Ontario Intl
Airports in Chicago
DPA · Dupage
MDW · Chicago Midway Intl
ORD · Chicago O'Hare Intl
Nearby airport alternatives
Flights Santa Ana - Chicago · Santa Ana is 30 mi from Ontario
Flights Burbank - Chicago · Burbank is 44 mi from Ontario
Flights Los Angeles - Chicago · Los Angeles is 47 mi from Ontario
Flights Palm Springs - Chicago · Palm Springs is 65 mi from Ontario
Flights Ontario - Milwaukee · Milwaukee is 73 mi from Chicago
Flights Ontario - South Bend · South Bend is 86 mi from Chicago
Premium cabin flights from Ontario to Chicago
Premium cabin
2026-11-08
ONT - ORD
First | Non stop | 1 left
From 27,000 Pts + $5.6
Premium cabin
2026-11-29
ONT - ORD
First | 1 Stop | 1 left
From 35,000 Pts + $25.6
Premium cabin
2026-12-07
ONT - ORD
First | 1 Stop | 9+ left
From 46,800 Pts + $5.6
Premium cabin
2026-11-08
ONT - ORD
Business | Non stop | 1 left
From 30,000 Pts + $33.5
Premium cabin
2026-11-05
ONT - ORD
Business | 1 Stop
From 43,600 Pts + $5.6
Premium cabin
2026-11-06
ONT - ORD
Business | 1 Stop
From 43,600 Pts + $5.6
Selected hotels for your next stay
Chicago (United States)
Chicago Athletic Association
From 15,000 Pts or $236
Chicago (USA)
ACME Hotel Chicago, Outset Collection by Hilton
From 28,000 Pts or $75
Chicago, IL (USA)
Waldorf Astoria Chicago
From 95,000 Pts or $407
Frequently Asked Questions
The cheapest route from Ontario to Chicago 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 Ontario to Chicago.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Ontario to Chicago.
Ontario and Chicago 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.
Chicago is 2 hours ahead of Ontario.
Departures from Ontario: Ontario Intl (ONT). Arrivals in Chicago: Dupage (DPA), Chicago Midway Intl (MDW), Chicago O'Hare Intl (ORD).
Travelers searching this route also look at other popular routes into Chicago, plus the return trip when we track it. Fares and award space change daily.
Our mission is to provide
the simplest and best
points travel planning
experience. Yeah!
Our mission is to provide the simplest and best
points travel planning experience. Yeah!
