HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oklahoma City

$53+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Oklahoma City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$111
(Priceline)

One-way from

$53
(Priceline)

Popular in

January

Cheapest in

August

Average price

$355

Good round-trip deal

$329 or less

Good one-way deal

$202 or less
From Illinois to Oklahoma City Will Rogers World
Search Deals
One-way flight from Illinois to Oklahoma City Will Rogers World
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Oklahoma City Will Rogers World.
Search Deals
Price to beat on a one-way flight from Illinois to Oklahoma City Will Rogers World.
Search Deals

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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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 8/145:01 amORD - OKC
1 stop6h 15mFrontier
Mon 8/186:00 pmOKC - ORD
1 stop6h 32mFrontier
Deal found 7/1$111
This Southwest deal was found by Cheapflights users on 7/1. 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.
Mon 10/610:20 pmSTL - OKC
Nonstop1h 30mSouthwest
Thu 10/95:10 amOKC - STL
Nonstop1h 25mSouthwest
Deal found 7/1$137
This Priceline deal was found by Cheapflights users on 7/2. 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 7/172:44 pmMDW - OKC
1 stop7h 33mFrontier
Mon 7/216:05 amOKC - MDW
1 stop5h 36mFrontier
Deal found 7/2$154
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/285:15 amSTL - OKC
1 stop4h 17mAmerican Airlines
Mon 9/16:51 pmOKC - STL
1 stop4h 08mAmerican Airlines
Deal found 7/1$159
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/186:53 amORD - OKC
Nonstop2h 14mAmerican Airlines
Tue 8/192:02 pmOKC - ORD
Nonstop2h 16mAmerican Airlines
Deal found 7/2$197
This Southwest deal was found by Cheapflights users on 7/3. 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.
Thu 8/77:45 amMDW - OKC
Nonstop2h 00mSouthwest
Mon 8/113:35 pmOKC - MDW
Nonstop1h 55mSouthwest
Deal found 7/3$197
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:30 pmORD - OKC
1 stop6h 48mDelta
Mon 8/185:16 pmOKC - ORD
1 stop6h 40mDelta
Deal found 7/3$217
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:43 pmMDW - OKC
1 stop7h 35mDelta
Mon 8/182:00 pmOKC - MDW
1 stop7h 44mDelta
Deal found 7/2$217
This Southwest deal was found by Cheapflights users on 7/3. 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.
Thu 8/77:30 amORD - OKC
2 stops7h 30mSouthwest
Mon 8/116:00 amOKC - ORD
1 stop8h 05mSouthwest
Deal found 7/3$222
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 11/134:45 pmORD - OKC
Nonstop2h 29mUnited Airlines
Sun 11/167:40 amOKC - ORD
Nonstop2h 15mUnited Airlines
Deal found 7/3$238
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:11 pmSTL - OKC
1 stop6h 48mDelta
Sun 8/246:50 amOKC - STL
1 stop5h 41mDelta
Deal found 7/2$261
This Mytrip deal was found by Cheapflights users on 7/1. 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 7/167:29 pmSTL - OKC
1 stop26h 48mFrontier
Sun 7/206:05 amOKC - STL
1 stop27h 06mFrontier
Deal found 7/1$271

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 July 3, 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

Thu 8/14

5:01 am-11:16 am

1 stop6h 15m

Oklahoma City Will Rogers World

Mon 8/18

6:00 pm-12:32 am

1 stop6h 32m

$111

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Mon 10/6

10:20 pm-11:50 pm

Nonstop1h 30m

Oklahoma City Will Rogers World

Thu 10/9

5:10 am-6:35 am

Nonstop1h 25m

$137

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Thu 7/17

2:44 pm-10:17 pm

1 stop7h 33m

Oklahoma City Will Rogers World

Mon 7/21

6:05 am-11:41 am

1 stop5h 36m

$154

St. LouisOklahoma City

STL - OKC

STLOKC

Lambert-St Louis

Thu 8/28

5:15 am-9:32 am

1 stop4h 17m

Oklahoma City Will Rogers World

Mon 9/1

6:51 pm-10:59 pm

1 stop4h 08m

$159

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Mon 8/18

6:53 am-9:07 am

Nonstop2h 14m

Oklahoma City Will Rogers World

Tue 8/19

2:02 pm-4:18 pm

Nonstop2h 16m

$197

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Thu 8/7

8:25 pm-10:25 pm

Nonstop2h 00m

Oklahoma City Will Rogers World

Mon 8/11

6:50 am-8:45 am

Nonstop1h 55m

$197

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Wed 8/13

1:30 pm-8:18 pm

1 stop6h 48m

Oklahoma City Will Rogers World

Mon 8/18

5:16 pm-11:56 pm

1 stop6h 40m

$217

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

Wed 8/13

12:43 pm-8:18 pm

1 stop7h 35m

Oklahoma City Will Rogers World

Mon 8/18

2:00 pm-9:44 pm

1 stop7h 44m

$217

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Thu 8/7

7:30 am-3:00 pm

2 stops7h 30m

Oklahoma City Will Rogers World

Mon 8/11

6:00 am-2:05 pm

1 stop8h 05m

$222

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

Thu 11/13

4:45 pm-7:14 pm

Nonstop2h 29m

Oklahoma City Will Rogers World

Sun 11/16

7:40 am-9:55 am

Nonstop2h 15m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 38 results
1
2
3
4

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, January is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $348). Flying from Illinois to Oklahoma City in June is currently the most expensive (average of $403). 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 July 3, 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 July 3, 2025.

The most flights from USIL to OKC are scheduled on a Thursday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Oklahoma City

Get insights into the airlines that provide service to Oklahoma City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oklahoma City. Reviews last updated July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Illinois to Oklahoma City have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $53 on Frontier. Other airlines that offer cheap prices include Southwest from $69 and American Airlines from $80 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: Republic Airways (100%), Envoy Air (79%), United Airlines (78%).

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

    The cheapest flight price from Illinois to Oklahoma City is $141. On average you can expect to pay $348. The most popular route, (Chicago O'Hare Intl - Oklahoma City Will Rogers World), can usually be booked for $179.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Oklahoma City (average of $348). Flying from Illinois to Oklahoma City in June is currently the most expensive (average of $403). 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 Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Oklahoma City

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
Philadelphia to Dallas/Fort Worth flights
Burbank to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
Charlotte to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
Santa Ana to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
Hobby to Dallas/Fort Worth flights
Sky Harbor Intl to Dallas/Fort Worth flights
San Jose to Dallas/Fort Worth flights
Fort Lauderdale to Dallas/Fort Worth flights
George Bush Intcntl to Dallas/Fort Worth flights
Sacramento to Dallas/Fort Worth flights
Miami to Dallas/Fort Worth flights
San Diego to Dallas/Fort Worth flights
Salt Lake City to Dallas/Fort Worth flights
Portland to Dallas/Fort Worth flights
Raleigh to Dallas/Fort Worth flights
Grand Rapids to Dallas/Fort Worth flights
Cincinnati to Dallas/Fort Worth flights
Oakland to Dallas/Fort Worth flights
Tampa to Dallas/Fort Worth flights
Cleveland to Dallas/Fort Worth flights
Pittsburgh to Dallas/Fort Worth flights
Omaha to Dallas/Fort Worth flights
Nashville to Dallas/Fort Worth flights
Columbus to Dallas/Fort Worth flights
Indianapolis to Dallas/Fort Worth flights
Kansas City to Dallas/Fort Worth flights
Norfolk to Dallas/Fort Worth flights
Fresno to Dallas/Fort Worth flights
St. Louis to Dallas/Fort Worth flights
Atlanta to Oklahoma City flights
Austin to Dallas/Fort Worth flights
Las Vegas to Dallas/Fort Worth flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$141FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$205Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$340FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.