Chicago (ORD) to Ontario (ONT) flight deal in economy from $72
ORDO'Hare International Airport
Chicago, United States
ONTOntario International Airport
Ontario, United States
$149 USD
-52%$72 USD
Verified about 8 hours agoJanuary 2027
Mon
Tue
Wed
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Fri
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Sun
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Monday, January 11th, 2027
Outbound Flights
4h 44m·Nonstop
$131 USD
ORDJan 11 16:00
→ONTJan 11 18:44
UA 1016Boeing 737
7h 16m·1 stop
$174 USDORDJan 11 16:05
→IAHJan 11 18:48
UA 714Airbus A321neo
1h 12m layover
IAHJan 11 20:00
→ONTJan 11 21:21
UA 1563Airbus A320
6h·1 stop
$205 USDORDJan 11 16:20
→DENJan 11 18:10
UA 778Boeing 737
55m layover
DENJan 11 19:05
→ONTJan 11 20:20
UA 1542Boeing 737
8h 33m·1 stop
$214 USDORDJan 11 06:00
→DENJan 11 07:42
UA 2806Boeing 737
3h 33m layover
DENJan 11 11:15
→ONTJan 11 12:33
UA 430Airbus A320
7h 7m·1 stop
$275 USDORDJan 11 12:40
→SFOJan 11 15:33
UA 638Airbus A321neo
37m layover
SFOJan 11 16:10
→ONTJan 11 17:47
UA 2850Boeing 737MAX 8 Passenger
8h 31m·1 stop
$301 USDORDJan 11 16:35
→SFOJan 11 19:28
UA 2866Boeing 737MAX 9 Passenger
2h 2m layover
SFOJan 11 21:30
→ONTJan 11 23:06
UA 552Boeing 737MAX 9 Passenger
7h 18m·1 stop
$329 USDORDJan 11 07:15
→DENJan 11 08:55
UA 1217Airbus A321neo
2h 20m layover
DENJan 11 11:15
→ONTJan 11 12:33
UA 430Airbus A320
5h 38m·1 stop
$468 USDORDJan 11 08:55
→DENJan 11 10:30
UA 530Boeing 757
45m layover
DENJan 11 11:15
→ONTJan 11 12:33
UA 430Airbus A320