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Oklahoma City

$55+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$110
(Frontier)

One-way from

$55
(Priceline)

Popular in

January

Cheapest in

July

Average price

$352

Good round-trip deal

$309 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Chicago (CHI)-Oklahoma City Will Rogers World flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Oklahoma City Will Rogers World flights.
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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 ($27 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 October 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 October 29, 2025.

This Frontier deal was found by Cheapflights users on 10/27. 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.
Mon 11/105:05 amORD - OKC
1 stop11h 07mFrontier
Thu 11/134:57 pmOKC - ORD
1 stop7h 14mFrontier
Deal found 10/27$110
This Frontier deal was found by Cheapflights users on 10/27. 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 12/45:05 amORD - OKC
1 stop12h 19mFrontier
Fri 12/54:49 pmOKC - ORD
1 stop5h 35mFrontier
Deal found 10/27$143
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:30 pmMDW - OKC
1 stop6h 30mFrontier
Mon 11/174:44 pmOKC - MDW
1 stop5h 27mFrontier
Deal found 10/28$143
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amORD - OKC
1 stop13h 00mFrontier
Mon 11/178:15 pmOKC - ORD
1 stop23h 23mFrontier
Deal found 10/28$152
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:45 pmSTL - OKC
1 stop23h 15mFrontier
Sun 11/167:45 pmOKC - STL
1 stop13h 22mFrontier
Deal found 10/28$152
This Booking.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/107:43 pmSTL - OKC
1 stop23h 54mFrontier
Fri 12/128:29 pmOKC - STL
1 stop13h 45mFrontier
Deal found 10/28$155
This Frontier deal was found by Cheapflights users on 10/29. 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 11/135:11 amORD - OKC
1 stop10h 39mFrontier
Sun 11/164:45 pmOKC - ORD
1 stop7h 26mFrontier
Deal found 10/29$169
This Frontier deal was found by Cheapflights users on 10/28. 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 11/65:01 amORD - OKC
1 stop10h 49mFrontier
Mon 11/104:57 pmOKC - ORD
1 stop7h 14mFrontier
Deal found 10/28$176
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:30 pmMDW - OKC
1 stop6h 30mFrontier
Mon 11/104:57 pmOKC - MDW
1 stop5h 14mFrontier
Deal found 10/28$176
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - OKC
1 stop23h 29mFrontier
Tue 11/117:51 pmOKC - STL
1 stop13h 16mFrontier
Deal found 10/27$178
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:30 pmMDW - OKC
1 stop6h 30mFrontier
Sun 11/167:45 pmOKC - MDW
1 stop15h 45mFrontier
Deal found 10/27$185
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/46:05 pmORD - OKC
1 stop20h 06mFrontier
Thu 11/64:57 pmOKC - ORD
1 stop7h 14mFrontier
Deal found 10/27$188

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 October 29, 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

MDW - OKC

MDWOKC

Chicago Midway

Fri 11/14

12:30 pm-7:00 pm

1 stop6h 30m

Oklahoma City Will Rogers World

Mon 11/17

4:44 pm-10:11 pm

1 stop5h 27m

$143

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Wed 11/12

7:45 pm-7:00 pm

1 stop23h 15m

Oklahoma City Will Rogers World

Sun 11/16

7:45 pm-9:07 am

1 stop13h 22m

$152

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Thu 11/13

5:11 am-3:50 pm

1 stop10h 39m

Oklahoma City Will Rogers World

Sun 11/16

4:45 pm-12:11 am

1 stop7h 26m

$169

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Sat 11/8

7:45 pm-7:14 pm

1 stop23h 29m

Oklahoma City Will Rogers World

Tue 11/11

7:51 pm-9:07 am

1 stop13h 16m

$178

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Fri 11/14

12:30 pm-7:00 pm

1 stop6h 30m

Oklahoma City Will Rogers World

Sun 11/16

7:45 pm-11:30 am

1 stop15h 45m

$185

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Sun 11/2

7:45 pm-7:00 pm

1 stop23h 15m

Oklahoma City Will Rogers World

Tue 11/4

7:51 pm-9:07 am

1 stop13h 16m

$214

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Thu 11/27

7:57 pm-6:33 pm

1 stop22h 36m

Oklahoma City Will Rogers World

Tue 12/9

8:29 pm-10:14 am

1 stop13h 45m

$220

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Thu 12/4

6:15 am-5:24 pm

1 stop11h 09m

Oklahoma City Will Rogers World

Fri 12/5

8:29 pm-1:59 pm

2 stops17h 30m

$220

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Fri 11/14

6:00 am-7:00 pm

1 stop13h 00m

Oklahoma City Will Rogers World

Sun 11/16

4:45 pm-12:11 am

1 stop7h 26m

$231

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Fri 12/5

7:43 pm-7:32 pm

1 stop23h 49m

Oklahoma City Will Rogers World

Thu 12/11

8:29 pm-9:47 am

2 stops13h 18m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, February is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $157). Flying from Illinois to Oklahoma City in March is currently the most expensive (average of $263). 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 October 29, 2025.

When flying from Illinois to Oklahoma City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 9% versus a flight in the morning.

What is the cheapest day to fly from Illinois to Oklahoma City?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Oklahoma City. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Oklahoma City flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 Frontier, United Airlines, and American Airlines fly from Illinois to Oklahoma City in about 2h 24m. The time it takes to get you to your destination can typically vary by up to 4h 17m. 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 $55 on Frontier. Other airlines that offer cheap prices include United Airlines from $123 and Southwest from $123 one-way.

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

    While some choose either Lambert-St Louis - Oklahoma City Will Rogers World or Chicago Midway - 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: Air Canada (83%), Air New Zealand (83%), Qatar Airways (81%).

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

    The cheapest flight price from Illinois to Oklahoma City is $150. On average you can expect to pay $462. The most popular route, (Chicago O'Hare Intl - Oklahoma City Will Rogers World), can usually be booked for $246.

  • 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, February is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $157). Flying from Illinois to Oklahoma City in March is currently the most expensive (average of $263). 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
Moore
Edmond
Shawnee
Ada
Midwest 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$206Average$274FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$248Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$364FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$285Average$477FlexibilityNo cancel feeOn-time69%

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