Round-trip from | $173 (Priceline) |
---|---|
One-way from | $61 (Priceline) |
Popular in | December |
Cheapest in | February |
Average price | $301 |
Good round-trip deal | $422 or less |
Good one-way deal | $218 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioSt. Louis
ONT - STL
ONTSTL
Ontario
Fri 9/5
8:59 pm-9:06 am
1 stop10h 07m
Lambert-St Louis
Sun 9/7
10:39 am-3:24 pm
1 stop6h 45m
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Thu 7/24
6:00 am-8:54 pm
2 stops12h 54m
Chicago Midway
Sat 7/26
2:44 pm-11:50 pm
1 stop11h 06m
OntarioChicago
ONT - ORD
ONTORD
Ontario
Tue 9/2
12:59 am-9:42 pm
1 stop18h 43m
Chicago O'Hare Intl
Fri 9/5
9:47 pm-12:43 pm
1 stop16h 56m
OntarioChicago
ONT - ORD
ONTORD
Ontario
Mon 8/4
12:59 am-10:59 am
1 stop8h 00m
Chicago O'Hare Intl
Tue 8/5
2:20 pm-6:08 pm
1 stop5h 48m
OntarioMoline
ONT - MLI
ONTMLI
Ontario
Thu 8/21
12:47 pm-11:22 pm
1 stop8h 35m
Moline Quad-City
Sun 8/24
6:20 am-11:53 am
1 stop7h 33m
OntarioPeoria
ONT - PIA
ONTPIA
Ontario
Fri 8/22
2:57 pm-11:16 pm
1 stop6h 19m
Greater Peoria
Mon 8/25
5:09 pm-10:48 pm
1 stop7h 39m
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Thu 8/14
5:40 am-4:25 pm
1 stop8h 45m
Chicago Midway
Tue 8/19
5:25 pm-7:35 pm
Nonstop4h 10m
OntarioChicago
ONT - MDW
ONTMDW
Ontario
Wed 8/13
11:45 am-9:44 pm
1 stop7h 59m
Chicago Midway
Thu 8/21
12:43 pm-7:11 pm
1 stop8h 28m
OntarioMoline
ONT - MLI
ONTMLI
Ontario
Wed 7/16
7:00 am-11:46 am
1 stop26h 46m
Moline Quad-City
Thu 7/24
12:36 pm-8:52 pm
1 stop10h 16m
OntarioMoline
ONT - MLI
ONTMLI
Ontario
Fri 8/1
11:40 am-10:19 pm
1 stop8h 39m
Moline Quad-City
Fri 8/8
5:26 pm-10:27 pm
1 stop7h 01m
Currently, August is the cheapest month in which you can book a flight from Ontario to Illinois (average of $245). Flying from Ontario to Illinois in March is currently the most expensive (average of $321). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Illinois as you normally would.
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Overall
Comfort
Food
Crew
Boarding
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$99 | Average$217 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$108 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$173 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$227 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$237 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$246 | Average$522 | FlexibilityNo cancel fee | On-time71% |