Chicago (ORD) to Ontario (ONT) flight deal in economy from $120
ORDO'Hare International Airport
Chicago, United States
ONTOntario International Airport
Ontario, United States
$170 USD
-29%$120 USD
Verified about 5 hours agoOctober 2026
Mon
Tue
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Sun
Fair Availability
22% of dates checked are available within 10% of the lowest price
Wednesday, October 28th, 2026
Outbound Flights
4h 32m·Nonstop
$120 USD
ORDOct 28 16:15
→ONTOct 28 18:47
UA 1904Airbus A320
5h 53m·1 stop
$130 USDORDOct 28 08:40
→DENOct 28 10:26
UA 318Boeing 777
49m layover
DENOct 28 11:15
→ONTOct 28 12:33
UA 430Airbus A320
8h 29m·1 stop
$130 USDORDOct 28 06:00
→SFOOct 28 08:47
UA 246Boeing 737MAX 9 Passenger
2h 13m layover
SFOOct 28 11:00
→ONTOct 28 12:29
UA 1482Airbus A319
7h 19m·1 stop
$130 USDORDOct 28 12:42
→SFOOct 28 15:35
UA 638Airbus A321neo
1h layover
SFOOct 28 16:35
→ONTOct 28 18:01
UA 436Airbus A319
8h 38m·1 stop
$166 USDORDOct 28 08:55
→SFOOct 28 11:50
UA 2610Boeing 757
2h 10m layover
SFOOct 28 14:00
→ONTOct 28 15:33
UA 5592Embraer 175
6h 31m·1 stop
$168 USDORDOct 28 16:20
→DENOct 28 18:13
UA 719Boeing 737
1h 12m layover
DENOct 28 19:25
→ONTOct 28 20:51
UA 2028Boeing 737MAX 9 Passenger
16h 32m·1 stop
$227 USDORDOct 28 21:57
→SFOOct 29 00:53
UA 2106Airbus A321neo
10h 7m layover
SFOOct 29 11:00
→ONTOct 29 12:29
UA 1482Boeing 737MAX 9 Passenger