There are 8 ways to get from Chicago to Ontario by plane, train (Amtrak), bus (Flixbus, Greyhound), car, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Chicago Midway International Airport to Ontario International Airport
best- Fly from Chicago Midway International Airport (MDW) to Ontario International Airport (ONT)plane MDW - ONT
5h 51m$242–1,105Fly Chicago O'Hare International Airport to Los Angeles International Airport, train
cheapest- Fly from Chicago O'Hare International Airport (ORD) to Los Angeles International Airport (LAX)plane ORD - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
9h 7m$112–477Train via Riverside (Amtrak)
- Take the train from Chicago Union Station to Riversidetrain Southwest Chief
43h 10m$485–1,092Bus
- Take the bus from Chicago Bus Station to St Louis Bus Stationbus FlixBus N2521 / ...
- Take the bus from St Louis Bus Station to Montclair Transcenterbus Greyhound US1210
47h 48m$339–665Drive 1,978 mi
- Drive from Chicago to Ontariocar 1,978 mi
30h 57m$361–522Fly Chicago O'Hare International Airport to Ontario International Airport
- Fly from Chicago O'Hare International Airport (ORD) to Ontario International Airport (ONT)plane ORD - ONT
6h 14m$162–755Fly Chicago Midway International Airport to Los Angeles International Airport, train
- Fly from Chicago Midway International Airport (MDW) to Los Angeles International Airport (LAX)plane MDW - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
8h 59m$138–587Train (Amtrak)
- Take the train from Chicago Union Station to Ontario Amtraktrain Texas Eagle
2d 16h$550–1,400
Chicago to Ontario by train and bus (Amtrak)
Questions & Answers
The cheapest way to get from Chicago to Ontario is to fly and train which costs $110 - $480 and takes 9h 7m.
The fastest way to get from Chicago to Ontario is to fly which takes 5h 51m and costs $240 - $1,100.
No, there is no direct bus from Chicago station to Ontario. However, there are services departing from Chicago Bus Station and arriving at Mountain @ D Street via St Louis Bus Station and Montclair Transit Center. The journey, including transfers, takes approximately 47h 48m.
Yes, there is a direct train departing from Chicago Union Station station and arriving at Ontario Amtrak. Services depart three times a week, and operate Tuesday, Friday and Sunday. The journey takes approximately 2 days 16h.
The distance between Chicago and Ontario is 1723 miles. The road distance is 1989.6 miles.
The best way to get from Chicago to Ontario without a car is to train via Riverside which takes 43h 10m and costs $480 - $1,100.
It takes approximately 5h 51m to get from Chicago to Ontario, including transfers.
Chicago to Ontario bus services, operated by Flixbus USA, depart from Chicago Bus Station.
Chicago to Ontario train services, operated by Amtrak, depart from Chicago Union Station.
The best way to get from Chicago to Ontario is to fly which takes 5h 51m and costs $240 - $1,100. Alternatively, you can train via Riverside, which costs $480 - $1,100 and takes 43h 10m, you could also bus, which costs $330 - $700 and takes 47h 48m.
What companies run services between Chicago, IL, USA and Ontario, CA, USA?
Southwest Airlines flies from Chicago Midway International Airport (MDW) to Ontario International Airport (ONT) 5 times a day. Alternatively, Amtrak operates a train from Chicago Union Station to Riverside twice daily. Tickets cost $480–1,100 and the journey takes 41h 45m.
- Website
- southwest.com
Flights from Chicago Midway International Airport to Ontario International Airport
- Ave. Duration
- 4h 25m
- When
- Every day
- Estimated price
- $240–1,100
Flights from Chicago Midway International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 6h 3m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $250–1,200
Flights from Chicago Midway International Airport to Ontario International Airport via Denver
- Ave. Duration
- 6h 12m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $250–1,100
Flights from Chicago Midway International Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 6h 11m
- When
- Monday to Friday
- Estimated price
- $250–1,100
Flights from Chicago O'Hare International Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 6h 30m
- When
- Monday to Wednesday
- Estimated price
- $160–750
Flights from Chicago O'Hare International Airport to Ontario International Airport via Denver
- Ave. Duration
- 6h 20m
- When
- Monday, Thursday, and Friday
- Estimated price
- $160–750
Flights from Chicago O'Hare International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 6h 45m
- When
- Tuesday to Friday
- Estimated price
- $170–800
Flights from Chicago O'Hare International Airport to Ontario International Airport via Dallas
- Ave. Duration
- 6h 55m
- When
- Monday, Thursday, and Friday
- Estimated price
- $190–850
Flights from Chicago Midway International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 38m
- When
- Every day
- Estimated price
- $120–550
Flights from Chicago Midway International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 6h 18m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $120–550
Flights from Chicago Midway International Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 6h 22m
- When
- Monday, Thursday, and Friday
- Estimated price
- $120–550
Flights from Chicago Midway International Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 6h 20m
- When
- Thursday and Friday
- Estimated price
- $130–600
Flights from Chicago Midway International Airport to Los Angeles International Airport via El Paso
- Ave. Duration
- 6h 25m
- When
- Monday
- Estimated price
- $130–600
- Website
- aa.com
Flights from Chicago O'Hare International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 6h 33m
- When
- Every day
- Estimated price
- $170–800
Flights from Chicago O'Hare International Airport to Ontario International Airport via Dallas/Ft.Worth
- Ave. Duration
- 7h 6m
- When
- Every day
- Estimated price
- $190–850
Flights from Chicago O'Hare International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 37m
- When
- Every day
- Estimated price
- $80–380
- Website
- united.com
Flights from Chicago O'Hare International Airport to Ontario International Airport
- Ave. Duration
- 4h 26m
- When
- Monday, Tuesday, Wednesday, Thursday, and Sunday
- Estimated price
- $160–750
Flights from Chicago O'Hare International Airport to Ontario International Airport via Denver
- Ave. Duration
- 6h 45m
- When
- Every day
- Estimated price
- $160–750
Flights from Chicago O'Hare International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 48m
- When
- Every day
- Estimated price
- $80–380
- Website
- delta.com
Flights from Chicago O'Hare International Airport to Ontario International Airport via Salt Lake City
- Ave. Duration
- 6h 52m
- When
- Every day
- Estimated price
- $170–800
Flights from Chicago O'Hare International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 45m
- When
- Every day
- Estimated price
- $80–380
- Website
- spirit.com
Flights from Chicago O'Hare International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 34m
- When
- Every day
- Estimated price
- $90–430
- Website
- flyfrontier.com
Flights from Chicago O'Hare International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 27m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $80–380
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Chicago Union Station to Riverside
- Ave. Duration
- 41h 45m
- Frequency
- Twice daily
- Estimated price
- $480–1,100
- Website
- https://www.amtrak.com/home.html
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $8–19
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Ontario Amtrak
- Ave. Duration
- 2d 16h
- Frequency
- 3 times a week
- Estimated price
- $550–1,400
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Chicago Bus Station to St Louis Bus Station
- Ave. Duration
- 6h 10m
- Frequency
- 3 times a day
- Estimated price
- $35–65
- Schedules at
- flixbus.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from St Louis Bus Station to Montclair Transcenter
- Ave. Duration
- 39h 35m
- Frequency
- Once daily
- Estimated price
- $300–600
- Website
- https://www.greyhound.com/
Want to know more about travelling around United States
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More Questions & Answers
Chicago to Ontario bus services, operated by Flixbus USA, arrive at St Louis Bus Station.
Ontario is 2h behind Chicago. It is currently 11:38 PM in Chicago and 9:38 PM in Ontario.
Chicago to Ontario train services, operated by Amtrak, arrive at Ontario Amtrak station.
Yes, the driving distance between Chicago to Ontario is 1990 miles. It takes approximately 30h 57m to drive from Chicago to Ontario.
Book your Chicago to Ontario train tickets online with Omio.
There are 256+ hotels available in Ontario.









