Ontario (ONT) to Chicago (ORD) flight deal in economy from $72
ONTOntario International Airport
Ontario, United States
ORDO'Hare International Airport
Chicago, United States
$153 USD
-53%$72 USD
Verified about 3 hours agoSeptember 2026
Mon
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Saturday, September 12th, 2026
Outbound Flights
4h 9m·Nonstop
$72 USD
ONTSep 12 07:00
→ORDSep 12 13:09
UA 1121Boeing 737
8h 35m·1 stop
$105 USDONTSep 12 08:00
→SFOSep 12 09:27
UA 1601Boeing 737MAX 9 Passenger
2h 33m layover
SFOSep 12 12:00
→ORDSep 12 18:35
UA 2317Airbus A321neo
6h 11m·1 stop
$105 USDONTSep 12 13:18
→DENSep 12 16:39
UA 1263Boeing 737MAX 9 Passenger
1h 9m layover
DENSep 12 17:48
→ORDSep 12 21:29
UA 2272Boeing 737
6h 47m·1 stop
$105 USDONTSep 12 13:56
→SFOSep 12 15:25
UA 1375Boeing 737MAX 9 Passenger
45m layover
SFOSep 12 16:10
→ORDSep 12 22:43
UA 1197Boeing 737MAX 9 Passenger
6h 36m·1 stop
$176 USDONTSep 12 08:00
→SFOSep 12 09:27
UA 1601Boeing 737MAX 9 Passenger
38m layover
SFOSep 12 10:05
→ORDSep 12 16:36
UA 2827Boeing 757