Good to know - Cheap tickets Ontario — Chicago
| Cheapest flight found | $49 |
|---|---|
| Minimal flight time | 3h 9m |
| Flight distance | 2755 km |
| Most popular airline | Southwest Airlines |
Airfare Ontario – Chicago by month
Here you can find out in what months how much a ticket Ontario – Chicago costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| April 2026 | ||
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Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.
Schedule of direct flights Ontario — Chicago
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 05:00 | 10:50 | sun | WN3788 | Southwest Airlines | 3h 50m | Ontario International Airport — Chicago Midway International Airport | Select dates |
| 05:10 | 11:00 | mon, thu, fri | WN251 | Southwest Airlines | 3h 50m | Ontario International Airport — Chicago Midway International Airport | Select dates |
| 05:45 | 11:30 | tue, wed | WN3788 | Southwest Airlines | 3h 45m | Ontario International Airport — Chicago Midway International Airport | Select dates |
| 06:00 | 11:45 | sun | WN2212 | Southwest Airlines | 3h 45m | Ontario International Airport — Chicago Midway International Airport | Select dates |
| 06:00 | 11:50 | sat | WN3788 | Southwest Airlines | 3h 50m | Ontario International Airport — Chicago Midway International Airport | Select dates |
| 06:30 | 12:01 | sat | 5X2925 | UPS | 3h 31m | Ontario International Airport — Chicago Rockford International Airport | Select dates |
| 06:40 | 11:59 | sat | 5X927 | UPS | 3h 19m | Ontario International Airport — Chicago Rockford International Airport | Select dates |
| 06:50 | 12:21 | tue, wed, thu, fri | 5X2925 | UPS | 3h 31m | Ontario International Airport — Chicago Rockford International Airport | Select dates |
| 07:00 | 13:03 | mon, wed, thu, fri, sun | UA356 | United Airlines | 4h 3m | Ontario International Airport — O'Hare International Airport | Select dates |
| 07:05 | 12:50 | sat | WN792 | Southwest Airlines | 3h 45m | Ontario International Airport — Chicago Midway International Airport | Select dates |
Popular airlines flying Ontario — Chicago
Flight Ontario – Chicago is served by 14 airlines. 4 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Sales of tickets from Ontario to Chicago in the last 48 hours
Dynamics airfare Ontario — Chicago by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Ontario — Chicago
The graph shows that booking flights Ontario — Chicago is best planned for July and flights Ontario — Chicago — Ontario in the month of June.
Flights Ontario — Chicago
The selection of cheap flights Ontario — Chicago
Here you can find and purchase the cheapest flights Ontario — Chicago from $49 and Ontario — Chicago — Ontario from $76.
The price of the flight Ontario — Chicago (United States) — Ontario from $76 (round-trip).
The average price of the flight Ontario — Chicago (United States) — Ontario $354 (round-trip).
- Departure city: Ontario
- IATA code of the city of origin: ONT
- Departure airports: Ontario International Airport, International Heliport
- Departure country: United States
- Destination city: Chicago
- IATA code of the destination city: CHI
- Destination airports: Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport
- Destination country: United States
Low cost flights Ontario — Chicago (ONT — CHI)
The distance between Ontario and Chicago 1712 miles (or 2755 kilometres).
The time difference between Ontario and Chicago is 2 h.
Minimal flight time from Ontario to Chicago 3h 9m.
LowCostClub always do a comparison of airfares Ontario — Chicago with several airlines (include Southwest Airlines, UPS, United Airlines). They will always give you all available options so you can find the cheapest flight to Chicago. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Ontario — Chicago. Last week, for instance, the cheapest round-trip prices stood at $76 while the cheapest one-way price that was available within the last week cost $49
Routes from nearby cities to Chicago
A flight from a neighbouring city can help you save money on plane tickets.
Most often, departures to Chicago are from Los Angeles, this is the cheapest flight from $42. The nearest airports from Ontario with a flight to Chicago are located in Las Vegas.
Popular International routes from Ontario
Popular routes from Chicago
If you are going to fly from Chicago, then study the popular flights. The most popular flights from Chicago:
Popular domestic routes from Ontario
FAQ about Ontario — Chicago
Are there any direct flights Ontario — Chicago?
Yes, they do: WN3788, WN251, WN2212, 5X2925, 5X927, UA356, WN792, WN1269, GB3123
Can we fly from Ontario to Chicago?
Yes, you can fly from Ontario to Chicago. Ontario has 2 airports (Ontario International Airport, International Heliport) for flights. Southwest Airlines, UPS, United Airlines, ABX Air depart from Ontario on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Alaska Airlines, Amazon Air, American Eagle, Atlas Air, Avelo Airlines, Avianca, China Airlines, Delta Air Lines, FedEx, Frontier (Lone Star the Longhorn Steer Livery), JetBlue, National Airlines, NetJets, Volaris.
How long does it take to fly from Ontario to Chicago?
A direct flight lasts an average of 3h 9m, during which time the aircraft covers a distance of 2755 km.
How much do flights Ontario — Chicago cost?
The price of flights Ontario — Chicago starts from $49.
What days does the plane fly Ontario — Chicago?
Planes fly Ontario — Chicago 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Ontario and Chicago?
In Ontario — Ontario International Airport, International Heliport. In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport.
What flights are currently flying from Ontario to Chicago?
The following flights fly between Ontario and Chicago: WN3788, WN251, WN3788, WN2212, WN3788, 5X2925, 5X927, 5X2925, UA356, WN792, WN2212, WN1269, WN3788, WN2212, WN3788, WN2212, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, GB3123, 5X927, 5X927
What month is the cheapest to fly from Ontario to Chicago?
High season is considered to be December and the cheapest month is July. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Ontario — Chicago flight deals.
Which airlines direct fly from Ontario to Chicago?
The following airlines have direct flights Ontario — Chicago: Southwest Airlines, UPS, United Airlines, ABX Air.
Which airlines fly from Ontario to Chicago?
All the following airlines flights Ontario — Chicago: ABX Air, Alaska Airlines, Amazon Air, American Eagle, Atlas Air, Avelo Airlines, Avianca, China Airlines, Delta Air Lines, FedEx, Frontier (Lone Star the Longhorn Steer Livery), JetBlue, National Airlines, NetJets, Southwest Airlines, United Airlines, UPS, Volaris.