
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $120 (Kiwi.com) |
One-way from | $39 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $393 |
Good round-trip deal | $377 or less |
Good one-way deal | $190 or less |
Fly from
Fly to
Route
Depart
Return
Oklahoma CityChicago
OKC - ORD
OKCORD
Oklahoma City Will Rogers World
Fri 7/10
7:29 pm-5:28 am
1 stop9h 59m
Chicago O'Hare Intl
Mon 7/13
7:15 am-6:40 pm
1 stop11h 25m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Sat 5/23
7:20 am-9:22 am
Nonstop2h 02m
Chicago O'Hare Intl
Tue 5/26
8:27 pm-10:35 pm
Nonstop2h 08m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Sat 6/6
4:28 pm-12:08 am
1 stop7h 40m
Chicago O'Hare Intl
Wed 6/10
5:30 am-12:04 pm
1 stop6h 34m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Tue 7/14
10:04 am-5:12 pm
1 stop7h 08m
Chicago O'Hare Intl
Tue 7/21
5:30 am-11:56 am
1 stop6h 26m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Tue 7/14
10:04 am-5:12 pm
1 stop7h 08m
Chicago O'Hare Intl
Wed 7/15
5:30 am-11:56 am
1 stop6h 26m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Mon 6/1
4:28 pm-9:53 pm
1 stop5h 25m
Chicago O'Hare Intl
Mon 6/8
5:30 am-12:04 pm
1 stop6h 34m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Mon 6/1
6:51 pm-11:59 pm
1 stop5h 08m
Chicago O'Hare Intl
Thu 6/4
9:49 am-3:42 pm
1 stop5h 53m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Wed 5/27
7:05 am-3:00 pm
2 stops7h 55m
Chicago O'Hare Intl
Mon 6/1
2:40 pm-11:40 pm
1 stop9h 00m
TulsaChicago
TUL - ORD
TULORD
Tulsa
Thu 5/28
5:45 am-1:15 pm
2 stops7h 30m
Chicago O'Hare Intl
Mon 6/1
2:40 pm-11:40 pm
1 stop9h 00m
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Sun 5/24
7:10 am-12:56 pm
1 stop5h 46m
Lambert-St Louis
Sun 5/24
7:05 pm-12:35 am
1 stop5h 30m
To ensure you get the cheapest price possible for a flight from Oklahoma to Illinois, you should look to book at least 47 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, July is the cheapest month in which you can book a flight from Oklahoma to Illinois (average of $84). Flying from Oklahoma to Illinois in May is currently the most expensive (average of $162). 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.
A simple way to save on the total cost of your ticket is to fly from Oklahoma to Illinois in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their Oklahoma to Illinois flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from USOK to USIL are scheduled on a Monday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (23 on average).
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$373 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$376 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$230 | Average$382 | FlexibilityNo cancel fee | On-time69% |