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Oklahoma City

$59+ Cheap flights from Illinois to Oklahoma City (OKC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Illinois to Oklahoma City

Keep the following information in mind while searching for Illinois to Oklahoma City flight deals. Data was last updated September 11, 2025.

Round-trip from

$117
(United Airlines)

One-way from

$59
(United Airlines)

Popular in

January

Cheapest in

July

Average price

$334

Good round-trip deal

$217 or less

Good one-way deal

$114 or less
From Illinois to Oklahoma City Will Rogers World
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One-way flight from Illinois to Oklahoma City Will Rogers World
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Oklahoma City Will Rogers World.
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Price to beat on a one-way flight from Illinois to Oklahoma City Will Rogers World.
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Find flight deals from Illinois to Oklahoma City

Cheapest flights from Illinois to Oklahoma City
Explore the most affordable flight options available from Illinois to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:10 amORD - OKC
Nonstop2h 20mAmerican Airlines
Sat 10/182:03 pmOKC - ORD
Nonstop2h 18mAmerican Airlines
Deal found 9/9$117
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:52 pmSTL - OKC
1 stop20h 46mFrontier
Sat 10/185:33 pmOKC - STL
1 stop15h 34mFrontier
Deal found 9/10$132
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:00 pmORD - OKC
Nonstop2h 31mUnited Airlines
Wed 11/1910:35 amOKC - ORD
Nonstop2h 15mUnited Airlines
Deal found 9/10$133
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:23 pmORD - OKC
Nonstop2h 26mUnited Airlines
Sun 10/197:30 amOKC - ORD
Nonstop2h 19mUnited Airlines
Deal found 9/9$149
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:05 amORD - OKC
1 stop9h 33mFrontier
Sat 10/185:33 pmOKC - ORD
1 stop16h 03mFrontier
Deal found 9/10$155
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:52 pmSTL - OKC
1 stop20h 46mFrontier
Sun 10/127:46 pmOKC - STL
1 stop13h 21mFrontier
Deal found 9/10$157
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:48 pmMDW - OKC
1 stop7h 06mFrontier
Mon 10/66:05 amOKC - MDW
1 stop9h 48mFrontier
Deal found 9/11$160
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:00 pmORD - OKC
Nonstop2h 26mUnited Airlines
Sat 10/1112:28 pmOKC - ORD
Nonstop2h 19mUnited Airlines
Deal found 9/9$161
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:20 amORD - OKC
1 stop13h 18mFrontier
Wed 9/248:00 amOKC - ORD
1 stop13h 28mFrontier
Deal found 9/10$163
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:55 pmSTL - OKC
1 stop27h 59mFrontier
Sat 10/48:00 amOKC - STL
1 stop25h 06mFrontier
Deal found 9/10$164
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:05 amORD - OKC
1 stop11h 48mFrontier
Sat 10/185:33 pmOKC - ORD
1 stop6h 20mFrontier
Deal found 9/10$166
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:40 amMDW - OKC
Nonstop2h 00mSouthwest
Wed 10/292:55 pmOKC - MDW
Nonstop1h 55mSouthwest
Deal found 9/11$167

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Illinois to Oklahoma City that are best for you.

Fly from

Illinois

Fly to

Oklahoma City

Route

Depart

Return

Price

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Wed 10/15

7:10 am-9:30 am

Nonstop2h 20m

Oklahoma City Will Rogers World

Sun 10/19

7:14 am-9:32 am

Nonstop2h 18m

$133

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Mon 11/17

9:17 pm-11:45 pm

Nonstop2h 28m

Oklahoma City Will Rogers World

Wed 11/19

5:00 pm-7:25 pm

Nonstop2h 25m

$133

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Fri 10/3

4:48 pm-11:54 pm

1 stop7h 06m

Oklahoma City Will Rogers World

Mon 10/6

6:05 am-3:53 pm

1 stop9h 48m

$160

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Wed 10/8

1:00 pm-3:26 pm

Nonstop2h 26m

Oklahoma City Will Rogers World

Sat 10/11

12:28 pm-2:47 pm

Nonstop2h 19m

$161

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Wed 10/22

7:40 am-9:40 am

Nonstop2h 00m

Oklahoma City Will Rogers World

Wed 10/29

2:55 pm-4:50 pm

Nonstop1h 55m

$167

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Mon 10/6

7:55 pm-10:31 am

1 stop14h 36m

Oklahoma City Will Rogers World

Mon 10/13

7:19 pm-9:07 am

1 stop13h 48m

$169

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Sat 12/13

7:30 pm-9:40 pm

Nonstop2h 10m

Oklahoma City Will Rogers World

Mon 1/5

6:45 am-8:40 am

Nonstop1h 55m

$172

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Fri 11/7

12:30 pm-7:00 pm

1 stop6h 30m

Oklahoma City Will Rogers World

Sun 11/9

4:44 pm-10:03 pm

1 stop5h 19m

$173

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Sat 10/11

3:00 pm-8:19 pm

1 stop5h 19m

Oklahoma City Will Rogers World

Sat 10/18

6:40 am-1:08 pm

1 stop6h 28m

$197

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Mon 11/24

5:34 pm-11:58 pm

1 stop6h 24m

Oklahoma City Will Rogers World

Wed 12/3

6:50 am-11:55 am

1 stop5h 05m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Oklahoma City

Have a flexible travel schedule? Discover the best time to fly to Oklahoma City from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Oklahoma City

What is the cheapest month to book a flight from Illinois to Oklahoma City?

Currently, August is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $334). Flying from Illinois to Oklahoma City in June is currently the most expensive (average of $401). 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.

What is the cheapest time of day to fly from IL to OKC?

Find hourly flight availability from Illinois to Oklahoma City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Oklahoma City as you normally would.

Weekly flight availability from Illinois to Oklahoma City

Explore weekly flight availability from Illinois to Oklahoma City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from USIL to OKC are scheduled on a Thursday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Oklahoma City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Oklahoma City from Illinois?

    Oklahoma City Will Rogers World (OKC) is the airport you will fly into if you book a flight from Illinois to Oklahoma City. It is only a 7.0 mi journey from Will Rogers World (OKC) to Oklahoma City’s city center.

  • How long is the flight from Illinois to Oklahoma City?

    Airlines like American Airlines, Frontier, and United Airlines fly from Illinois to Oklahoma City in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 4h 46m. There are 692 mi between Illinois and Oklahoma City. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Oklahoma City one-way?

    One-way options have recently been found by users for as low as $59 on United Airlines. Other airlines that offer cheap prices include American Airlines from $59 and Southwest from $59 one-way.

  • What are the most popular routes from Illinois to Oklahoma City?

    While some choose either Chicago Midway - Oklahoma City Will Rogers World or Lambert-St Louis - Oklahoma City Will Rogers World, Chicago O'Hare Intl - Oklahoma City Will Rogers World is the most popular route from Illinois to Oklahoma City.

  • What are the most reliable airlines from Illinois to Oklahoma City?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Oklahoma City on time: United Airlines (74%), Air New Zealand (74%), SkyWest Airlines (68%).

  • What are the cheapest flights from Illinois to Oklahoma City?

    The cheapest flight price from Illinois to Oklahoma City is $131. On average you can expect to pay $308. The most popular route, (Chicago O'Hare Intl - Oklahoma City Will Rogers World), can usually be booked for $133.

  • Can I find deals for flights from Illinois to Oklahoma City that include hotel bookings?

    Yes. In addition to deals on Illinois to Oklahoma City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Oklahoma City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Oklahoma City.

  • Can I find deals for business class flights from Illinois to Oklahoma City?

    Yes. Cheapflights offers flight deals from Illinois to Oklahoma City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Oklahoma City?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $334). Flying from Illinois to Oklahoma City in June is currently the most expensive (average of $401). 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.

See more FAQs

Traveling to a place near Oklahoma City?

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

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Alternative routes for Illinois to Oklahoma City

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Top 4 airlines flying from Illinois to Oklahoma City

Discover the top 4 airlines that operate flights from Illinois to Oklahoma City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$279FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$225Average$445FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$353FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$285Average$466FlexibilityNo cancel feeOn-time69%

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