Ontario (ONT) to Chicago (ORD) flight deal in economy from $120
ONTOntario International Airport
Ontario, United States
ORDO'Hare International Airport
Chicago, United States
$174 USD
-31%$120 USD
Verified about 10 hours agoOctober 2026
Mon
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Fair Availability
29% of dates checked are available within 10% of the lowest price
Saturday, October 31st, 2026
Outbound Flights
4h 3m·Nonstop
$120 USD
ONTOct 31 06:59
→ORDOct 31 13:02
UA 2226Airbus A320
7h 24m·1 stop
$130 USDONTOct 31 09:25
→SFOOct 31 10:55
UA 432Airbus A320
1h 32m layover
SFOOct 31 12:27
→ORDOct 31 18:49
UA 630Boeing 757
6h 1m·1 stop
$130 USDONTOct 31 13:29
→DENOct 31 16:45
UA 1263Airbus A320
1h 13m layover
DENOct 31 17:58
→ORDOct 31 21:30
UA 1843Boeing 757
6h 54m·1 stop
$130 USDONTOct 31 13:35
→SFOOct 31 15:05
UA 1375Boeing 737
1h 5m layover
SFOOct 31 16:10
→ORDOct 31 22:29
UA 1278Boeing 737MAX 9 Passenger