
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Gotogate) |
One-way from | $59 (Trip.com) |
Popular in | January |
Cheapest in | October |
Average price | $467 |
Good round-trip deal | $345 or less |
Good one-way deal | $164 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoOntario
MDW - ONT
MDWONT
Chicago Midway
Wed 8/26
6:00 am-11:04 am
1 stop7h 04m
Ontario
Tue 9/15
12:00 pm-9:46 pm
1 stop7h 46m
ChicagoOntario
MDW - ONT
MDWONT
Chicago Midway
Tue 6/16
7:00 am-12:40 pm
1 stop7h 40m
Ontario
Tue 6/23
11:55 pm-5:40 am
Nonstop3h 45m
ChicagoOntario
MDW - ONT
MDWONT
Chicago Midway
Fri 9/18
2:00 pm-4:10 pm
Nonstop4h 10m
Ontario
Tue 9/22
8:25 am-7:10 pm
1 stop8h 45m
ChicagoOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Wed 5/27
5:44 pm-11:58 pm
1 stop8h 14m
Ontario
Thu 5/28
12:04 pm-11:59 pm
1 stop9h 55m
ChicagoOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Thu 5/28
6:00 am-12:47 pm
1 stop8h 47m
Ontario
Sat 5/30
6:30 am-12:45 pm
Nonstop4h 15m
ChicagoOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Thu 7/23
8:18 pm-10:51 pm
Nonstop4h 33m
Ontario
Tue 7/28
6:10 am-12:25 pm
Nonstop4h 15m
ChicagoOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Wed 6/10
8:18 pm-10:51 pm
Nonstop4h 33m
Ontario
Wed 6/17
1:50 pm-12:59 am
1 stop9h 09m
ChicagoOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Sat 8/1
8:18 pm-10:51 pm
Nonstop4h 33m
Ontario
Sat 8/15
7:00 am-1:15 pm
Nonstop4h 15m
ChicagoOntario
MDW - ONT
MDWONT
Chicago Midway
Thu 8/20
6:15 pm-10:05 pm
1 stop5h 50m
Ontario
Sun 8/23
11:55 pm-5:45 am
Nonstop3h 50m
ChicagoOntario
MDW - ONT
MDWONT
Chicago Midway
Fri 6/5
5:15 am-9:05 am
1 stop5h 50m
Ontario
Sun 6/7
11:55 pm-5:40 am
Nonstop3h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
Currently, April is the cheapest month in which you can book a flight from Chicago to Ontario (average of $99). Flying from Chicago to Ontario in November is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Chicago to Ontario by exploring options for tickets at noon.
Phoenix (PHX) – chosen by Cheapflights users on 80% of 1-stop itineraries from Chicago to Ontario on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $183.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 5h 50m.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 00m.
Entertainment
Boarding
Crew
Food
Overall
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Crew
Food
Overall
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Crew
Food
Overall
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Crew
Food
Overall
Comfort
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$522 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$524 | FlexibilityNo cancel fee | On-time71% |