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Cheap flights from Illinois to Oklahoma City from $68

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Oklahoma City

Cheap round-trip flights

United Airlines Logo
8:20 am - 4:14 pmSTL-OKC
7h 54m1 stop
United Airlines Logo
3:30 pm - 10:00 pmOKC-STL
6h 30m1 stop
$135United Airlines
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Thu, Nov 20 - Tue, Jan 20
Frontier Logo
6:50 am - 6:28 pmORD-OKC
11h 38m1 stop
Frontier Logo
5:33 pm - 11:53 pmOKC-ORD
6h 20m1 stop
$144Frontier
Find Deal
Thu, Oct 16 - Sat, Oct 18
American Airlines Logo
3:38 pm - 10:52 pmSTL-OKC
7h 14m1 stop
American Airlines Logo
2:55 pm - 11:07 pmOKC-STL
8h 12m1 stop
$159American Airlines
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Wed, Nov 19 - Mon, Nov 24
Multiple Airlines Logo
6:00 am - 7:00 pmORD-OKC
13h 00m1 stop
Multiple Airlines Logo
7:45 pm - 10:45 amOKC-ORD
15h 00m2 stops
$222Multiple Airlines
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Fri, Oct 31 - Sun, Nov 2
Multiple Airlines Logo
6:58 pm - 6:28 pmORD-OKC
47h 30m2 stops
Multiple Airlines Logo
10:47 am - 12:59 amOKC-ORD
14h 12m1 stop
$229Multiple Airlines
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Tue, Oct 7 - Mon, Oct 20
Southwest Logo
8:15 pm - 9:50 pmSTL-OKC
1h 35mnonstop
Southwest Logo
4:00 pm - 5:25 pmOKC-STL
1h 25mnonstop
$257Southwest
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Wed, Nov 19 - Wed, Dec 3
Delta Logo
5:15 pm - 11:58 pmSTL-OKC
6h 43m1 stop
Delta Logo
6:04 pm - 11:41 pmOKC-STL
5h 37m1 stop
$258Delta
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Tue, Oct 21 - Fri, Oct 24
American Airlines Logo
5:11 am - 9:36 amSTL-OKC
4h 25m1 stop
American Airlines Logo
6:49 pm - 11:49 pmOKC-STL
5h 00m1 stop
$259American Airlines
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Thu, Oct 23 - Mon, Oct 27
Southwest Logo
8:15 pm - 9:50 pmSTL-OKC
1h 35mnonstop
Southwest Logo
3:20 pm - 10:20 pmOKC-STL
7h 00m1 stop
$267Southwest
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Wed, Nov 19 - Wed, Dec 3
Delta Logo
5:15 pm - 11:58 pmSTL-OKC
6h 43m1 stop
Delta Logo
6:04 pm - 11:41 pmOKC-STL
5h 37m1 stop
$295Delta
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Tue, Oct 21 - Fri, Oct 24

Frontier flights from Illinois to Oklahoma City

Our best Frontier deals on Illinois to Oklahoma City flight tickets
Frontier
Oct 16
ORD6:50 amChicago O'Hare Intl
11h 38m
1 stop
OKC6:28 pmOklahoma City Will Rogers World
Oct 18
OKC5:33 pmOklahoma City Will Rogers World
6h 20m
1 stop
ORD11:53 pmChicago O'Hare Intl
$144
Find similar
Frontier
Oct 13
ORD5:05 amChicago O'Hare Intl
11h 48m
1 stop
OKC4:53 pmOklahoma City Will Rogers World
Oct 20
OKC5:48 pmOklahoma City Will Rogers World
5h 51m
1 stop
ORD11:39 pmChicago O'Hare Intl
$145
Find similar
Frontier
Oct 27
MDW12:11 pmChicago Midway
6h 23m
1 stop
OKC6:34 pmOklahoma City Will Rogers World
Nov 3
OKC4:57 pmOklahoma City Will Rogers World
5h 14m
1 stop
MDW10:11 pmChicago Midway
$150
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United Airlines flights from Illinois to Oklahoma City

Our best United Airlines deals on Illinois to Oklahoma City flight tickets
United Airlines
Nov 20
STL8:20 amLambert-St Louis
7h 54m
1 stop
OKC4:14 pmOklahoma City Will Rogers World
Jan 20
OKC3:30 pmOklahoma City Will Rogers World
6h 30m
1 stop
STL10:00 pmLambert-St Louis
$135
Find similar
United Airlines
Nov 20
STL8:20 amLambert-St Louis
7h 54m
1 stop
OKC4:14 pmOklahoma City Will Rogers World
Jan 20
OKC9:30 amOklahoma City Will Rogers World
14h 29m
2 stops
STL11:59 pmLambert-St Louis
$200
Find similar
United Airlines
Sep 30
PIA10:48 amGreater Peoria
4h 38m
1 stop
OKC3:26 pmOklahoma City Will Rogers World
Oct 5
OKC10:30 amOklahoma City Will Rogers World
6h 13m
1 stop
PIA4:43 pmGreater Peoria
$305
Find similar

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 September 17, 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

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Thu 11/20

8:20 am-4:14 pm

1 stop7h 54m

Oklahoma City Will Rogers World

Tue 1/20

3:30 pm-10:00 pm

1 stop6h 30m

$135

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Thu 10/16

6:50 am-6:28 pm

1 stop11h 38m

Oklahoma City Will Rogers World

Sat 10/18

5:33 pm-11:53 pm

1 stop6h 20m

$144

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 11/19

3:38 pm-10:52 pm

1 stop7h 14m

Oklahoma City Will Rogers World

Mon 11/24

2:55 pm-11:07 pm

1 stop8h 12m

$159

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Fri 10/31

6:00 am-7:00 pm

1 stop13h 00m

Oklahoma City Will Rogers World

Sun 11/2

7:45 pm-10:45 am

2 stops15h 00m

$222

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Tue 10/7

6:58 pm-6:28 pm

2 stops47h 30m

Oklahoma City Will Rogers World

Mon 10/20

10:47 am-12:59 am

1 stop14h 12m

$229

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 11/19

8:15 pm-9:50 pm

Nonstop1h 35m

Oklahoma City Will Rogers World

Wed 12/3

4:00 pm-5:25 pm

Nonstop1h 25m

$257

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Tue 10/21

5:15 pm-11:58 pm

1 stop6h 43m

Oklahoma City Will Rogers World

Fri 10/24

6:04 pm-11:41 pm

1 stop5h 37m

$258

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Thu 10/23

5:11 am-9:36 am

1 stop4h 25m

Oklahoma City Will Rogers World

Mon 10/27

6:49 pm-11:49 pm

1 stop5h 00m

$259

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 11/19

8:15 pm-9:50 pm

Nonstop1h 35m

Oklahoma City Will Rogers World

Wed 12/3

3:20 pm-10:20 pm

1 stop7h 00m

$267

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Tue 10/21

5:15 pm-11:58 pm

1 stop6h 43m

Oklahoma City Will Rogers World

Fri 10/24

6:04 pm-11:41 pm

1 stop5h 37m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 July. Flight prices, which tend to average around $329, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Oklahoma City, with average flight prices from Illinois averaging around $340.

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 Sunday, with ticket prices averaging around $423.

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 $363. Flights to Oklahoma City are more costly in the afternoon, with an average ticket price of $433. 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 Midway 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 $384 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 $305 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 30% 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

$114

Fastest flight time

1h 25m

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 $114. The best round-trip flight deal from Illinois to Oklahoma City found on momondo in the last 72 hours is $285.
The fastest flight from Illinois to Oklahoma City takes 1h 25m
Direct flights go from Illinois to Oklahoma City every day.
There is 1 airport near Oklahoma City: Oklahoma City Will Rogers World (OKC)
Search flight deals

  • 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
FrontierPriceFrom $137Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $258Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
8,926 reviews
Search United Airlines 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.

An easier way to manage your Oklahoma City trip

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