Good to know - Cheap tickets Chicago — Ontario
| Cheapest flight found | $51 |
|---|---|
| Minimal flight time | 3h 33m |
| Flight distance | 2755 km |
| Most popular airline | UPS |
Airfare Chicago – Ontario by month
Here you can find out in what months how much a ticket Chicago – Ontario costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| February 2026 | ||
| January 2026 | ||
| December 2025 | ||
| November 2025 | ||
| October 2025 | ||
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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 Chicago — Ontario
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 01:25 | 02:58 | fri | 5X7831 | UPS | 3h 33m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 02:44 | 04:22 | tue, wed, thu, fri | 5X928 | UPS | 3h 38m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 04:45 | 09:36 | sat | 5X9307 | UPS | 6h 51m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 06:15 | 08:10 | fri | 5X5609 | UPS | 3h 55m | O'Hare International Airport — Ontario International Airport | Select dates |
| 06:15 | 08:08 | tue, wed, thu, fri, sat | 5X5609 | UPS | 3h 53m | O'Hare International Airport — Ontario International Airport | Select dates |
| 06:15 | 09:57 | sat | 5X5609 | UPS | 5h 42m | O'Hare International Airport — Ontario International Airport | Select dates |
| 08:50 | 15:17 | thu | 5X2925 | UPS | 8h 27m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 12:35 | 14:45 | mon, thu, fri | WN2511 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:33 | tue, wed, thu, fri, sat | 5X2924 | UPS | 3h 39m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:29 | fri | 5X2924 | UPS | 3h 35m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
Popular airlines flying Chicago — Ontario
Flight Chicago – Ontario is served by 15 airlines. 3 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Dynamics airfare Chicago — Ontario 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 Chicago — Ontario
The graph shows that booking flights Chicago — Ontario is best planned for July and flights Chicago — Ontario — Chicago in the month of June.
Flights Chicago — Ontario
The selection of cheap flights Chicago — Ontario
Here you can find and purchase the cheapest flights Chicago — Ontario from $51 and Chicago — Ontario — Chicago from $81.
The price of the flight Chicago — Ontario (United States) — Chicago from $81 (round-trip).
The average price of the flight Chicago — Ontario (United States) — Chicago $262 (round-trip).
- Departure city: Chicago
- IATA code of the city of origin: CHI
- Departure 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
- Departure country: United States
- Destination city: Ontario
- IATA code of the destination city: ONT
- Destination airports: Ontario International Airport, International Heliport
- Destination country: United States
Low cost flights Chicago — Ontario (CHI — ONT)
The distance between Chicago and Ontario 1712 miles (or 2755 kilometres).
The time difference between Chicago and Ontario is 2 h.
Minimal flight time from Chicago to Ontario 3h 33m.
LowCostClub always do a comparison of airfares Chicago — Ontario with several airlines (include UPS, Southwest Airlines, United Airlines). They will always give you all available options so you can find the cheapest flight to Ontario. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Chicago — Ontario. Last week, for instance, the cheapest round-trip prices stood at $81 while the cheapest one-way price that was available within the last week cost $51
Routes from nearby cities to Ontario
A flight from a neighbouring city can help you save money on plane tickets.
The most frequent flight to Ontario is from Bloomington. The cheapest airfare can be purchased with a flight from Madison from $72. The nearest airports from Chicago with a flight to Ontario are in Peoria.
Popular International routes from Chicago
Popular routes from Ontario
If you are going to fly from Ontario, then study the popular flights. The most popular flights from Ontario:
Popular domestic routes from Chicago
FAQ about Chicago — Ontario
Are there any direct flights Chicago — Ontario?
Yes, they do: 5X7831, 5X928, 5X9307, 5X5609, 5X2925, WN2511, 5X2924, UA362, UA1144, WN854, WN9011
Can we fly from Chicago to Ontario?
Yes, you can fly from Chicago to Ontario. Chicago has 8 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) for flights. UPS, Southwest Airlines, United Airlines depart from Chicago on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Alaska Horizon, Amazon Air, American Airlines, Atlas Air, Avelo Airlines, Avianca, China Airlines, Delta Air Lines, FedEx Feeder, Frontier (Cruz the Island Fox Livery), JetBlue, National Airlines, NetJets, Volaris.
How long does it take to fly from Chicago to Ontario?
A direct flight lasts an average of 3h 33m, during which time the aircraft covers a distance of 2755 km.
How much do flights Chicago — Ontario cost?
The price of flights Chicago — Ontario starts from $51.
What days does the plane fly Chicago — Ontario?
Planes fly Chicago — Ontario 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Chicago and Ontario?
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. In Ontario — Ontario International Airport, International Heliport.
What flights are currently flying from Chicago to Ontario?
The following flights fly between Chicago and Ontario: 5X7831, 5X928, 5X9307, 5X5609, 5X5609, 5X5609, 5X2925, WN2511, 5X2924, 5X2924, WN2511, UA362, WN2511, UA1144, UA1144, WN854, WN9011, 5X928
What month is the cheapest to fly from Chicago to Ontario?
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 Chicago — Ontario flight deals.
Which airlines direct fly from Chicago to Ontario?
The following airlines have direct flights Chicago — Ontario: UPS, Southwest Airlines, United Airlines.
Which airlines fly from Chicago to Ontario?
All the following airlines flights Chicago — Ontario: ABX Air, Alaska Horizon, Amazon Air, American Airlines, Atlas Air, Avelo Airlines, Avianca, China Airlines, Delta Air Lines, FedEx Feeder, Frontier (Cruz the Island Fox Livery), JetBlue, National Airlines, NetJets, Southwest Airlines, United Airlines, UPS, Volaris.