
Round-trip from | $153 (Kiwi.com) |
|---|---|
One-way from | $45 (United Airlines) |
Popular in | March |
Cheapest in | August |
Average price | $317 |
Good round-trip deal | $343 or less |
Good one-way deal | $175 or less |
Fly from
Fly to
Route
Depart
Return
Price
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 3/11
11:45 am-11:19 pm
1 stop12h 34m
Lambert-St Louis
Wed 3/18
11:32 am-1:56 pm
1 stop25h 24m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Fri 5/1
3:36 pm-11:19 pm
2 stops8h 43m
Lambert-St Louis
Wed 5/6
8:13 pm-2:41 pm
1 stop17h 28m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Mon 3/16
5:02 am-8:35 am
1 stop4h 33m
Lambert-St Louis
Tue 3/17
6:00 am-5:10 pm
1 stop10h 10m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Fri 2/27
6:30 am-10:03 am
1 stop4h 33m
Lambert-St Louis
Sun 3/1
8:00 am-2:06 pm
1 stop5h 06m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Sat 2/28
6:30 am-10:13 am
1 stop4h 43m
Lambert-St Louis
Sat 2/28
6:53 pm-12:26 am
1 stop4h 33m
ColumbusChicago
CMH - ORD
CMHORD
Columbus
Mon 4/20
6:35 am-12:45 pm
2 stops7h 10m
Chicago O'Hare Intl
Thu 4/23
7:14 am-1:54 pm
1 stop5h 40m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Sun 6/14
5:30 am-8:41 am
1 stop4h 11m
Lambert-St Louis
Tue 6/16
9:23 am-3:28 pm
1 stop5h 05m
ColumbusChicago
CMH - MDW
CMHMDW
Columbus
Mon 3/9
8:00 pm-8:15 pm
Nonstop1h 15m
Chicago Midway
Mon 3/16
12:45 pm-2:55 pm
Nonstop1h 10m
ColumbusChicago
CMH - ORD
CMHORD
Columbus
Mon 3/9
6:24 pm-11:54 pm
1 stop6h 30m
Chicago O'Hare Intl
Mon 3/16
7:14 pm-11:59 pm
1 stop3h 45m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 3/11
10:27 am-4:23 pm
1 stop6h 56m
Lambert-St Louis
Sat 3/14
7:00 pm-11:47 pm
1 stop3h 47m
Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Illinois (average of $106). Flying from Columbus Airport to Illinois in March is currently the most expensive (average of $245). 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.
It’s typically best to fly out from Columbus Airport to Illinois in the morning. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Columbus Airport to Illinois flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from CMH to USIL are scheduled on a Thursday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$228 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$143 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$332 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$155 | Average$296 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$333 | FlexibilityNo cancel fee | On-time69% |