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$49+ Cheap flights from Illinois to Oklahoma

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Illinois to Oklahoma

Keep the following information in mind while searching for Illinois to Oklahoma flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$92
(CheapOair)

One-way from

$49
(Frontier)

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
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One-way flight from Illinois to Oklahoma
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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.
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Price to beat on a one-way flight from Illinois to Oklahoma.
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Find flight deals from Illinois to Oklahoma

Cheapest flights from Illinois to Oklahoma
Explore the most affordable flight options available from Illinois to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amORD - DFW
1 stop5h 49mFrontier
Tue 11/1810:24 pmDFW - ORD
Nonstop2h 35mFrontier
Deal found 10/29$92
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:35 pmMDW - DFW
Nonstop2h 30mFrontier
Fri 12/1211:47 amDFW - MDW
Nonstop2h 17mFrontier
Deal found 10/29$92
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:48 pmORD - DFW
Nonstop2h 33mSpirit Airlines
Mon 11/177:05 amDFW - ORD
Nonstop2h 26mSpirit Airlines
Deal found 10/29$93
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:05 amMDW - DFW
Nonstop2h 42mFrontier
Mon 12/89:02 amDFW - MDW
Nonstop2h 18mFrontier
Deal found 10/29$93
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:00 amORD - DFW
1 stop27h 06mFrontier
Fri 11/2110:22 pmDFW - ORD
Nonstop2h 30mFrontier
Deal found 10/28$94
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.
Wed 11/191:56 pmMDW - DFW
1 stop6h 55mFrontier
Wed 11/269:54 pmDFW - MDW
Nonstop2h 19mFrontier
Deal found 10/28$94
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 11/132:42 pmORD - DFW
Nonstop2h 39mFrontier
Fri 11/1410:38 amDFW - ORD
Nonstop2h 38mFrontier
Deal found 10/28$95
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 11/139:39 pmMDW - DFW
Nonstop2h 38mFrontier
Mon 11/172:43 pmDFW - MDW
Nonstop2h 18mFrontier
Deal found 10/28$95
This Priceline deal was found by Cheapflights users on 10/30. 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.
Mon 11/179:32 amORD - DFW
Nonstop2h 37mFrontier
Mon 11/2410:22 pmDFW - ORD
Nonstop2h 30mFrontier
Deal found 10/30$96
This Priceline deal was found by Cheapflights users on 10/30. 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 11/139:39 pmMDW - DFW
Nonstop2h 38mFrontier
Mon 11/249:54 pmDFW - MDW
Nonstop2h 19mFrontier
Deal found 10/30$96
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amORD - DFW
1 stop5h 49mFrontier
Sun 11/1610:24 pmDFW - ORD
Nonstop2h 35mFrontier
Deal found 10/29$97
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.
Sun 11/1611:21 amMDW - DFW
Nonstop2h 35mFrontier
Mon 11/171:44 pmDFW - MDW
1 stop8h 27mFrontier
Deal found 10/29$97

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Oklahoma 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 30, 2025.
Use the filters below to find and compare flights from Illinois to Oklahoma that are best for you.

Fly from

Illinois

Fly to

Oklahoma

Route

Depart

Return

Price

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Sun 11/16

11:21 am-1:56 pm

Nonstop2h 35m

Dallas/Fort Worth

Sun 11/23

9:54 pm-12:13 am

Nonstop2h 19m

$106

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

ChicagoTulsa

ORD - TUL

ORDTUL

Chicago O'Hare Intl

Thu 11/13

6:00 am-6:52 pm

1 stop12h 52m

Tulsa

Sun 11/16

8:24 pm-12:15 am

1 stop27h 51m

$152

ChicagoFayetteville

ORD - XNA

ORDXNA

Chicago O'Hare Intl

Thu 11/13

6:00 am-7:15 pm

1 stop13h 15m

Fayetteville Northwest Arkansas

Sun 11/16

7:50 pm-12:15 am

1 stop28h 25m

$155

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Tue 12/9

9:34 am-2:21 pm

1 stop4h 47m

Dallas/Fort Worth

Tue 12/9

6:21 pm-11:47 pm

1 stop5h 26m

$171

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 11/6

11:07 am-8:00 pm

1 stop8h 53m

Dallas/Fort Worth

Fri 11/7

5:54 am-4:01 pm

1 stop10h 07m

$176

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Thu 12/18

12:45 pm-6:48 pm

1 stop6h 03m

Dallas/Fort Worth

Thu 1/1

7:50 am-2:44 pm

1 stop6h 54m

$177

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Sat 12/6

4:29 pm-12:03 am

1 stop7h 34m

Dallas/Fort Worth

Tue 12/9

1:37 pm-6:00 pm

1 stop4h 23m

$177

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Thu 12/4

1:14 pm-5:55 pm

1 stop4h 41m

Dallas/Fort Worth

Mon 12/8

5:30 am-12:34 pm

1 stop7h 04m

$177

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Sat 12/6

6:00 am-1:14 pm

1 stop7h 14m

Dallas/Fort Worth

Mon 12/8

5:19 am-11:55 am

1 stop6h 36m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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

Have a flexible travel schedule? Discover the best time to fly to Oklahoma 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

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $157). Flying from Illinois to Oklahoma 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 OK?

Find hourly flight availability from Illinois to Oklahoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Illinois to Oklahoma is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

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

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

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

Reviews of airlines servicing Oklahoma

Get insights into the airlines that provide service to Oklahoma. 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. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Illinois to Oklahoma to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,030 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,123 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Illinois to Oklahoma?

    There are many flights that can get you from Illinois to Oklahoma in 2h 16m. Fly via Frontier, Delta, or American Airlines to get the fastest option. The distance from Illinois to Oklahoma is about 550 mi. 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 one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Illinois to Oklahoma for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Oklahoma 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?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $157). Flying from Illinois to Oklahoma 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

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Alternative routes for Illinois to Oklahoma

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Oklahoma

Discover the top 4 airlines that operate flights from Illinois to Oklahoma. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$131Average$352FlexibilityNo cancel feeOn-time63%
FrontierCheapest$206Average$274FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$233Average$398FlexibilityNo cancel feeOn-time69%

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