
Round-trip from | $145 (Expedia) |
|---|---|
One-way from | $64 (Frontier) |
Popular in | December |
Cheapest in | August |
Average price | $361 |
Good round-trip deal | $346 or less |
Good one-way deal | $171 or less |
Fly from
Fly to
Route
Depart
Return
Price
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Sat 1/10
6:06 am-10:33 pm
1 stop17h 27m
Lambert-St Louis
Mon 1/12
5:11 pm-11:19 pm
1 stop29h 08m
ColumbusChicago
CMH - ORD
CMHORD
Columbus
Thu 1/22
6:06 am-5:52 pm
1 stop12h 46m
Chicago O'Hare Intl
Sun 1/25
2:42 pm-10:47 am
1 stop19h 05m
ColumbusChicago
CMH - MDW
CMHMDW
Columbus
Sat 1/17
7:00 am-7:30 am
Nonstop1h 30m
Chicago Midway
Sun 1/18
10:00 am-12:15 pm
Nonstop1h 15m
ColumbusChicago
CMH - MDW
CMHMDW
Columbus
Tue 1/20
6:40 am-7:10 am
Nonstop1h 30m
Chicago Midway
Tue 1/20
10:00 am-12:15 pm
Nonstop1h 15m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Fri 1/23
12:03 pm-6:51 am
1 stop19h 48m
Lambert-St Louis
Sun 1/25
5:42 pm-10:47 am
2 stops16h 05m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 1/7
6:25 am-9:39 am
1 stop4h 14m
Lambert-St Louis
Wed 1/7
5:00 pm-12:01 am
1 stop6h 01m
ColumbusChicago
CMH - ORD
CMHORD
Columbus
Sat 1/17
12:54 pm-4:44 pm
1 stop4h 50m
Chicago O'Hare Intl
Sun 1/18
5:30 am-12:00 pm
1 stop5h 30m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Thu 1/15
12:00 pm-6:51 am
1 stop19h 51m
Lambert-St Louis
Sun 1/18
10:06 am-11:19 pm
1 stop12h 13m
ColumbusChicago
CMH - MDW
CMHMDW
Columbus
Sat 1/17
8:15 am-4:16 pm
2 stops9h 01m
Chicago Midway
Sun 1/18
9:32 am-1:31 pm
1 stop2h 59m
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 1/7
6:40 am-11:15 am
1 stop5h 35m
Lambert-St Louis
Wed 1/7
2:20 pm-10:05 pm
2 stops6h 45m
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 $247). 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 29% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Columbus Airport to Illinois flight should consider departing on Thursday mornings 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 (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Comfort
Entertainment
Boarding
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$231 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$143 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$322 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$155 | Average$304 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$186 | Average$326 | FlexibilityNo cancel fee | On-time69% |