Cheap flights from Illinois to Oklahoma City from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oklahoma City departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 4:19 pmORD-OKC
10h 19m1 stop
Frontier Logo
2:18 pm - 12:12 amOKC-ORD
9h 54m1 stop
$141Frontier
Find Deal
Sun, Dec 21 - Fri, Dec 26
Frontier Logo
6:00 am - 5:29 pmORD-OKC
11h 29m1 stop
Frontier Logo
5:04 pm - 10:24 pmOKC-ORD
5h 20m1 stop
$144Frontier
Find Deal
Tue, Dec 23 - Sun, Dec 28
Frontier Logo
10:07 pm - 1:58 pmORD-OKC
15h 51m1 stop
Frontier Logo
8:29 pm - 12:08 pmOKC-ORD
15h 39m2 stops
$160Frontier
Find Deal
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
5:18 pm - 10:23 pmPIA-OKC
5h 05m1 stop
United Airlines Logo
10:00 am - 2:23 pmOKC-PIA
4h 23m1 stop
$249United Airlines
Find Deal
Wed, Feb 4 - Tue, Feb 10
United Airlines Logo
6:30 am - 12:03 pmPIA-OKC
5h 33m1 stop
United Airlines Logo
6:00 am - 2:23 pmOKC-PIA
8h 23m2 stops
$254United Airlines
Find Deal
Wed, Feb 4 - Tue, Feb 10
American Airlines Logo
6:00 am - 10:44 amSTL-OKC
4h 44m1 stop
American Airlines Logo
6:00 am - 2:50 pmOKC-STL
8h 50m2 stops
$278American Airlines
Find Deal
Wed, Jan 21 - Wed, Jan 28
Southwest Logo
10:25 am - 12:05 pmSTL-OKC
1h 40mnonstop
Southwest Logo
6:00 am - 7:35 amOKC-STL
1h 35mnonstop
$279Southwest
Find Deal
Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
11:05 am - 8:44 pmSTL-OKC
9h 39m2 stops
American Airlines Logo
6:00 am - 2:50 pmOKC-STL
8h 50m2 stops
$283American Airlines
Find Deal
Wed, Jan 21 - Wed, Jan 28
Southwest Logo
7:55 pm - 9:35 pmSTL-OKC
1h 40mnonstop
Southwest Logo
1:05 pm - 10:20 pmOKC-STL
9h 15m1 stop
$289Southwest
Find Deal
Wed, Jan 21 - Wed, Jan 28
Delta Logo
3:50 pm - 8:44 pmBMI-OKC
4h 54m1 stop
Delta Logo
8:10 am - 3:17 pmOKC-BMI
7h 07m1 stop
$497Delta
Find Deal
Tue, Mar 17 - Wed, Mar 18

United Airlines flights from Illinois to Oklahoma City

Our best United Airlines deals on Illinois to Oklahoma City flight tickets
United Airlines
Feb 4
PIA5:18 pmGreater Peoria
5h 05m
1 stop
OKC10:23 pmOklahoma City Will Rogers World
Feb 10
OKC10:00 amOklahoma City Will Rogers World
4h 23m
1 stop
PIA2:23 pmGreater Peoria
United Airlines
Feb 4
PIA6:30 amGreater Peoria
5h 33m
1 stop
OKC12:03 pmOklahoma City Will Rogers World
Feb 10
OKC6:00 amOklahoma City Will Rogers World
8h 23m
2 stops
PIA2:23 pmGreater Peoria
United Airlines
Feb 4
PIA1:24 pmGreater Peoria
8h 03m
2 stops
OKC9:27 pmOklahoma City Will Rogers World
Feb 10
OKC5:00 amOklahoma City Will Rogers World
7h 38m
2 stops
PIA12:38 pmGreater Peoria

Frontier flights from Illinois to Oklahoma City

Our best Frontier deals on Illinois to Oklahoma City flight tickets
Frontier
Dec 21
ORD6:00 amChicago O'Hare Intl
10h 19m
1 stop
OKC4:19 pmOklahoma City Will Rogers World
Dec 26
OKC2:18 pmOklahoma City Will Rogers World
9h 54m
1 stop
ORD12:12 amChicago O'Hare Intl
Frontier
Dec 23
ORD6:00 amChicago O'Hare Intl
11h 29m
1 stop
OKC5:29 pmOklahoma City Will Rogers World
Dec 28
OKC5:04 pmOklahoma City Will Rogers World
5h 20m
1 stop
ORD10:24 pmChicago O'Hare Intl
Frontier
Dec 25
ORD6:00 amChicago O'Hare Intl
9h 37m
1 stop
OKC3:37 pmOklahoma City Will Rogers World
Dec 28
OKC5:04 pmOklahoma City Will Rogers World
5h 20m
1 stop
ORD10:24 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Oklahoma City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Illinois to Oklahoma City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Sun 12/21

6:00 am-4:19 pm

1 stop10h 19m

Oklahoma City Will Rogers World

Fri 12/26

2:18 pm-12:12 am

1 stop9h 54m

$141

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Tue 12/23

6:00 am-5:29 pm

1 stop11h 29m

Oklahoma City Will Rogers World

Sun 12/28

5:04 pm-10:24 pm

1 stop5h 20m

$144

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Fri 1/9

10:07 pm-1:58 pm

1 stop15h 51m

Oklahoma City Will Rogers World

Mon 1/12

8:29 pm-12:08 pm

2 stops15h 39m

$160

PeoriaOklahoma City

PIA - OKC

PIAOKC

Greater Peoria

Wed 2/4

5:18 pm-10:23 pm

1 stop5h 05m

Oklahoma City Will Rogers World

Tue 2/10

10:00 am-2:23 pm

1 stop4h 23m

$249

PeoriaOklahoma City

PIA - OKC

PIAOKC

Greater Peoria

Wed 2/4

6:30 am-12:03 pm

1 stop5h 33m

Oklahoma City Will Rogers World

Tue 2/10

6:00 am-2:23 pm

2 stops8h 23m

$254

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 1/21

6:00 am-10:44 am

1 stop4h 44m

Oklahoma City Will Rogers World

Wed 1/28

6:00 am-2:50 pm

2 stops8h 50m

$278

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 1/21

10:25 am-12:05 pm

Nonstop1h 40m

Oklahoma City Will Rogers World

Wed 1/28

6:00 am-7:35 am

Nonstop1h 35m

$279

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 1/21

11:05 am-8:44 pm

2 stops9h 39m

Oklahoma City Will Rogers World

Wed 1/28

6:00 am-2:50 pm

2 stops8h 50m

$283

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 1/21

7:55 pm-9:35 pm

Nonstop1h 40m

Oklahoma City Will Rogers World

Wed 1/28

1:05 pm-10:20 pm

1 stop9h 15m

$289

BloomingtonOklahoma City

BMI - OKC

BMIOKC

Bloomington-Normal

Tue 3/17

3:50 pm-8:44 pm

1 stop4h 54m

Oklahoma City Will Rogers World

Wed 3/18

8:10 am-3:17 pm

1 stop7h 07m

$497

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Oklahoma City from

How to get the cheapest flight ticket from Illinois to Oklahoma City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Oklahoma City?

The cheapest month to fly to Oklahoma City from Illinois is in October. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Oklahoma City, with average flight prices from Illinois averaging around $329.

What is the cheapest day to depart on your flight to Oklahoma City?

The cheapest day to depart on your flight to Oklahoma City is on a Tuesday when prices can be found for as low as $353. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Oklahoma City is Monday, with ticket prices averaging around $421.

What is the cheapest time of day to depart on your flight to Oklahoma City?

The cheapest time of day to fly to Oklahoma City is in the morning when flights can be purchased for as low as $365. Flights to Oklahoma City are more costly in the afternoon, with an average ticket price of $408. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Oklahoma City Will Rogers World flight route?

Fly from Chicago O'Hare Intl to Oklahoma City Will Rogers World for the best Illinois - Oklahoma City Will Rogers World flight prices

How far in advance should I book a flight to Oklahoma City?

You are more likely to see cheaper flights to Oklahoma City from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Oklahoma City for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oklahoma City from Illinois for as low as $290 on momondo.

What cabin class options are available on Illinois to Oklahoma City Will Rogers World flights?

There are 4 cabin classes available to choose from on Illinois to Oklahoma City Will Rogers World flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Oklahoma City flights?

You could potentially save up to 7% on your flight if you consider stops on a Illinois to Oklahoma City flight.

Cheap Illinois to Oklahoma City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Oklahoma City

Best Price Found

$208

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Oklahoma City

1 airport
The best one-way flight to Oklahoma City from Illinois in the past 72 hours is $208. The best round-trip flight deal from Illinois to Oklahoma City found on momondo in the last 72 hours is $309.
The fastest flight from Illinois to Oklahoma City takes 1h 35m
Direct flights go from Illinois to Oklahoma City every day.
There is 1 airport near Oklahoma City: Oklahoma City Will Rogers World (OKC)
  • When did momondo last update prices for flights from Illinois to Oklahoma City Will Rogers World Airport?

    Prices for flights from Illinois to Oklahoma City Will Rogers World Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Oklahoma City Will Rogers World Airport?

  • How old do you have to be to fly from Illinois to Oklahoma City Will Rogers World Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oklahoma City Will Rogers World Airport.

  • What documentation or ID do you need to fly to Oklahoma City Will Rogers World Airport?

    The travel and health documents required for your trip to Oklahoma City Will Rogers World Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oklahoma City Will Rogers World Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Illinois to Oklahoma City?

Best airlines flying from Illinois to Oklahoma City

Compare and see reviews for airlines that fly from Illinois to Oklahoma City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $163Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
FrontierPriceFrom $206Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $258Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Traveling to a place near Oklahoma City?

Book flights to Oklahoma City if you plan to visit one of these locations
Norman
Edmond
Shawnee
Midwest City
Yukon
Moore
Ada
Chickasha

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Oklahoma City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Oklahoma City. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Oklahoma City with flexible booking policies on momondo?

Yes. All flights to Oklahoma City from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Oklahoma City?

Once all potential Illinois to Oklahoma City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Oklahoma City right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Oklahoma City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oklahoma City and let you know when they change.

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1 adult
Sun 12/21
Sun 12/28

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