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$47+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Oklahoma

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Oklahoma (USOK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:20 amORD - DFW
1 stop5h 02mFrontier
Tue 12/1711:57 amDFW - ORD
Nonstop2h 29mFrontier
Deal found 11/21$90
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Wed 12/1812:10 pmMDW - DFW
Nonstop2h 53mFrontier
Wed 12/259:03 pmDFW - MDW
Nonstop2h 17mFrontier
Deal found 11/20$90
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:35 amORD - DFW
1 stop17h 54mSpirit Airlines
Sat 12/143:10 pmDFW - ORD
Nonstop2h 30mSpirit Airlines
Deal found 11/20$93
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:33 amORD - DFW
Nonstop2h 40mMultiple Airlines
Mon 12/167:18 pmDFW - ORD
1 stop4h 47mMultiple Airlines
Deal found 11/20$98
This CheapOair deal was found by Cheapflights users on 11/20. 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 12/911:31 amSTL - DFW
Nonstop1h 55mFrontier
Tue 12/107:40 pmDFW - STL
1 stop12h 33mFrontier
Deal found 11/20$103
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:46 pmSTL - DFW
1 stop16h 06mMultiple Airlines
Sun 12/85:41 amDFW - STL
1 stop9h 40mMultiple Airlines
Deal found 11/20$164
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/129:39 amSTL - DFW
Nonstop1h 59mAmerican Airlines
Mon 12/162:52 pmDFW - STL
Nonstop1h 42mAmerican Airlines
Deal found 11/21$181
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/1410:10 amORD - DFW
1 stop8h 08mDelta
Wed 12/254:30 pmDFW - ORD
1 stop7h 26mDelta
Deal found 11/20$197
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/305:00 amORD - DFW
Nonstop2h 47mAmerican Airlines
Fri 1/36:00 amDFW - ORD
Nonstop2h 25mAmerican Airlines
Deal found 11/21$207
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/1210:10 amORD - XNA
1 stop7h 04mDelta
Sun 12/157:23 amXNA - ORD
1 stop7h 03mDelta
Deal found 11/20$230
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/173:10 pmORD - XNA
Nonstop1h 51mAmerican Airlines
Mon 1/205:34 pmXNA - ORD
Nonstop1h 51mAmerican Airlines
Deal found 11/20$244
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Thu 12/54:26 pmSTL - DFW
3 stops26h 44mSpirit Airlines
Mon 12/92:15 pmDFW - STL
2 stops25h 06mSpirit Airlines
Deal found 11/19$271

Find flights from Illinois to Oklahoma within your budget

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Mon 1/13

1:35 pm-4:19 pm

Nonstop2h 44m

Dallas/Fort Worth

Thu 1/16

9:56 am-12:30 pm

Nonstop2h 34m

$89

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Mon 12/16

6:20 am-11:22 am

1 stop5h 02m

Dallas/Fort Worth

Tue 12/17

11:57 am-2:26 pm

Nonstop2h 29m

$90

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Wed 12/18

12:10 pm-3:03 pm

Nonstop2h 53m

Dallas/Fort Worth

Wed 12/25

9:03 pm-11:20 pm

Nonstop2h 17m

$90

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Wed 12/11

7:33 am-10:13 am

Nonstop2h 40m

Dallas/Fort Worth

Mon 12/16

7:18 pm-12:05 am

1 stop4h 47m

$98

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 12/9

11:31 am-1:26 pm

Nonstop1h 55m

Dallas/Fort Worth

Tue 12/10

7:40 pm-8:13 am

1 stop12h 33m

$103

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 12/6

6:46 pm-10:52 am

1 stop16h 06m

Dallas/Fort Worth

Sun 12/8

5:41 am-3:21 pm

1 stop9h 40m

$164

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Thu 1/9

5:00 am-7:42 am

Nonstop2h 42m

Dallas/Fort Worth

Tue 1/14

3:20 pm-5:38 pm

Nonstop2h 18m

$177

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 12/12

9:39 am-11:38 am

Nonstop1h 59m

Dallas/Fort Worth

Mon 12/16

2:52 pm-4:34 pm

Nonstop1h 42m

$181

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Sat 12/14

7:05 am-2:42 pm

1 stop7h 37m

Dallas/Fort Worth

Tue 12/24

3:21 pm-9:17 pm

1 stop5h 56m

$197

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Tue 12/10

4:58 pm-12:15 am

1 stop7h 17m

Dallas/Fort Worth

Tue 3/4

5:31 am-10:12 am

1 stop4h 41m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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.

Travel insights for flights from Illinois to Oklahoma

Get recent, data-driven insights about flights from Illinois to Oklahoma including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $347). Flying from Illinois to Oklahoma in June is currently the most expensive (average of $416). 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 November 21, 2024.

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

Weekly flight availability from Illinois to Oklahoma

Explore weekly flight availability from Illinois to Oklahoma. 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 November 21, 2024.

The most flights from USIL to USOK 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 (13 on average).

Rainfall in Oklahoma by month

Plan your trip to Oklahoma by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oklahoma ranges from 1.2 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. January is typically the driest time to visit Oklahoma when rainfall is around 1.2 in.

Temperature in Oklahoma by month

Plan your trip to Oklahoma by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oklahoma, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 November 21, 2024.
See what other customers who have flown with Spirit Airlines, Frontier and American Airlines from Illinois to Oklahoma 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.
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

  • 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 $47. However, be on the lookout for offers from Spirit Airlines and Contour, 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, January is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $347). Flying from Illinois to Oklahoma in June is currently the most expensive (average of $416). 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$143FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$203Average$446FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$204Average$383FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$262Average$339FlexibilityNo cancel feeOn-time63%
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