For early flights, expect long security lines at CHS. Arrive early to ensure a smooth departure experience.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $281 (Mytrip) |
One-way from | $70 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $389 |
Good round-trip deal | $332 or less |
Good one-way deal | $186 or less |
Fly from
Fly to
Route
Depart
Return
Price
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Thu 4/30
11:40 am-7:26 pm
1 stop8h 46m
Chicago O'Hare Intl
Mon 5/4
10:35 am-7:05 pm
1 stop7h 30m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Wed 12/24
10:00 am-2:20 pm
1 stop5h 20m
Chicago O'Hare Intl
Wed 12/31
4:06 pm-7:18 pm
Nonstop2h 12m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Thu 12/25
11:40 am-1:09 pm
Nonstop2h 29m
Chicago O'Hare Intl
Thu 1/1
8:51 am-3:22 pm
1 stop5h 31m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Tue 1/13
7:45 pm-11:39 pm
1 stop4h 54m
Chicago O'Hare Intl
Sat 1/17
8:58 am-12:32 pm
Nonstop2h 34m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Wed 3/18
7:00 am-6:36 pm
1 stop12h 36m
Chicago O'Hare Intl
Sun 3/22
4:47 pm-4:23 pm
1 stop22h 36m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Thu 4/30
11:40 am-7:26 pm
1 stop8h 46m
Chicago O'Hare Intl
Sun 5/3
10:35 am-7:05 pm
1 stop7h 30m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Sun 12/7
9:49 pm-8:01 pm
1 stop23h 12m
Chicago O'Hare Intl
Tue 12/9
9:14 pm-8:37 am
2 stops34h 23m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Tue 1/13
9:13 am-10:48 am
Nonstop2h 35m
Chicago O'Hare Intl
Mon 1/26
6:25 pm-9:43 pm
Nonstop2h 18m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Thu 1/1
11:25 am-12:52 pm
Nonstop2h 27m
Chicago O'Hare Intl
Sun 1/4
4:06 pm-7:18 pm
Nonstop2h 12m
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Sat 12/27
6:05 am-7:34 am
Nonstop2h 29m
Chicago O'Hare Intl
Wed 12/31
4:06 pm-7:18 pm
Nonstop2h 12m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Charleston to Chicago O'Hare Intl Airport, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, June is the cheapest month in which you can book a flight from Charleston to Chicago O'Hare Intl Airport (average of $96). Flying from Charleston to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $300). 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 optimal to fly from Charleston to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Charleston to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Anonymous,Oct 2025
YUL - ORD
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Anonymous,Oct 2025
YUL - ORD
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Anonymous,Oct 2025
YUL - ORD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$243 | Average$417 | FlexibilityNo cancel fee | On-time69% |