How many flights depart from Oklahoma City to Illinois on average per day?

As of December 2025, there are 22 flights per day flying from Oklahoma City to Illinois. The most common time of day flights depart is 1:00PM, with 48% of flights taking off in the afternoon.

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Oklahoma City according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Oklahoma City Will Rogers World to Illinois?

Frontier, Southwest, and Delta are the most popular carriers operating from Oklahoma City Will Rogers World to Illinois

How many flights depart from Oklahoma City to Illinois on average per week?

As of December 2025, there are 156 flights per week flying from Oklahoma City to Illinois. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.

When did momondo last update prices for flights from Oklahoma City Will Rogers World Airport to Illinois?

Prices for flights from Oklahoma City Will Rogers World Airport to Illinois are updated daily.

How many operators does momondo search for flights from Oklahoma City Will Rogers World Airport to Illinois?

As of December 2025, there are 4 operators available to choose from for flights from Oklahoma City Will Rogers World Airport to Illinois.

How old do you have to be to fly from Oklahoma City Will Rogers World Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma City Will Rogers World Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$74 Cheap Flights from Oklahoma City to Illinois in 2025/26

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Find the cheapest flights from Oklahoma City to Illinois

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:29 pm - 2:46 pm

OKC

STL

18h 17m1 stop

9:32 pm - 11:30 am

STL

OKC

13h 58m1 stop

$158Frontier

ven., févr. 6 - dim., févr. 8

8:30 pm - 6:44 pm

OKC

STL

22h 14m1 stop

1:40 pm - 7:44 pm

STL

OKC

6h 04m1 stop

$162Frontier

jeu., janv. 22 - lun., janv. 26

8:30 pm - 1:57 pm

OKC

ORD

41h 27m2 stops

9:38 pm - 11:30 am

ORD

OKC

13h 52m1 stop

$195Frontier

dim., janv. 18 - dim., janv. 25

6:28 pm - 11:22 am

OKC

ORD

16h 54m2 stops

7:50 pm - 2:24 pm

ORD

OKC

18h 34m1 stop

$228Multiple Airlines

jeu., janv. 8 - lun., janv. 12

5:00 am - 10:30 am

OKC

MLI

5h 30m1 stop

11:28 am - 5:14 pm

MLI

OKC

5h 46m1 stop

$269American Airlines

ven., févr. 6 - dim., févr. 8

6:03 am - 10:39 am

OKC

MLI

4h 36m1 stop

11:28 am - 5:14 pm

MLI

OKC

5h 46m1 stop

$279American Airlines

sam., janv. 3 - mer., janv. 7

6:00 am - 7:35 am

OKC

STL

1h 35mnonstop

7:55 pm - 9:35 pm

STL

OKC

1h 40mnonstop

$299Southwest

jeu., janv. 22 - lun., janv. 26

10:10 am - 12:05 pm

OKC

MDW

1h 55mnonstop

7:55 am - 10:15 am

MDW

OKC

2h 20mnonstop

$313Southwest

dim., janv. 18 - dim., janv. 25

10:00 am - 4:54 pm

OKC

MLI

6h 54m1 stop

3:52 pm - 10:30 pm

MLI

OKC

6h 38m1 stop

$320United Airlines

mar., févr. 10 - sam., févr. 14

5:00 am - 3:09 pm

OKC

MLI

10h 09m2 stops

5:22 pm - 10:30 pm

MLI

OKC

5h 08m1 stop

$325United Airlines

mar., févr. 10 - sam., févr. 14

Alaska Airlines flights from Oklahoma City to Illinois

Our best Alaska Airlines deals on Oklahoma City to Illinois flight tickets

Alaska Airlines

Feb 19

OKC2:53 pmOklahoma City Will Rogers World

23h 18m

1 stop

ORD2:11 pmChicago O'Hare Intl

Feb 23

ORD7:00 amChicago O'Hare Intl

30h 57m

1 stop

OKC1:57 pmOklahoma City Will Rogers World

$352

Find similar

Alaska Airlines

Feb 19

OKC2:53 pmOklahoma City Will Rogers World

25h 40m

1 stop

ORD4:33 pmChicago O'Hare Intl

Feb 23

ORD3:54 pmChicago O'Hare Intl

22h 03m

1 stop

OKC1:57 pmOklahoma City Will Rogers World

$372

Find similar

Frontier flights from Oklahoma City to Illinois

Our best Frontier deals on Oklahoma City to Illinois flight tickets

Frontier

Feb 6

OKC8:29 pmOklahoma City Will Rogers World

18h 17m

1 stop

STL2:46 pmLambert-St Louis

Feb 8

STL9:32 pmLambert-St Louis

13h 58m

1 stop

OKC11:30 amOklahoma City Will Rogers World

$158

Find similar

Frontier

Jan 22

OKC8:30 pmOklahoma City Will Rogers World

22h 14m

1 stop

STL6:44 pmLambert-St Louis

Jan 26

STL1:40 pmLambert-St Louis

6h 04m

1 stop

OKC7:44 pmOklahoma City Will Rogers World

$162

Find similar

Frontier

Jan 18

OKC8:30 pmOklahoma City Will Rogers World

41h 27m

2 stops

ORD1:57 pmChicago O'Hare Intl

Jan 25

ORD9:38 pmChicago O'Hare Intl

13h 52m

1 stop

OKC11:30 amOklahoma City Will Rogers World

$195

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

ven. 2/6

8:29 pm-2:46 pm

1 stop18h 17m

Lambert-St Louis

dim. 2/8

9:32 pm-11:30 am

1 stop13h 58m

$158

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

jeu. 1/22

8:30 pm-6:44 pm

1 stop22h 14m

Lambert-St Louis

lun. 1/26

1:40 pm-7:44 pm

1 stop6h 04m

$162

Oklahoma CityChicago

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

dim. 1/18

8:30 pm-1:57 pm

2 stops41h 27m

Chicago O'Hare Intl

dim. 1/25

9:38 pm-11:30 am

1 stop13h 52m

$195

Oklahoma CityChicago

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

jeu. 1/8

6:28 pm-11:22 am

2 stops16h 54m

Chicago O'Hare Intl

lun. 1/12

7:50 pm-2:24 pm

1 stop18h 34m

$228

Oklahoma CityMoline

OKC - MLI

OKCMLI

Oklahoma City Will Rogers World

ven. 2/6

5:00 am-10:30 am

1 stop5h 30m

Moline Quad-City

dim. 2/8

11:28 am-5:14 pm

1 stop5h 46m

$269

Oklahoma CityMoline

OKC - MLI

OKCMLI

Oklahoma City Will Rogers World

sam. 1/3

6:03 am-10:39 am

1 stop4h 36m

Moline Quad-City

mer. 1/7

11:28 am-5:14 pm

1 stop5h 46m

$279

Oklahoma CitySt. Louis

OKC - STL

OKCSTL

Oklahoma City Will Rogers World

jeu. 1/22

6:00 am-7:35 am

Nonstop1h 35m

Lambert-St Louis

lun. 1/26

7:55 pm-9:35 pm

Nonstop1h 40m

$299

Oklahoma CityChicago

OKC - MDW

OKCMDW

Oklahoma City Will Rogers World

dim. 1/18

10:10 am-12:05 pm

Nonstop1h 55m

Chicago Midway

dim. 1/25

7:55 am-10:15 am

Nonstop2h 20m

$313

Oklahoma CityMoline

OKC - MLI

OKCMLI

Oklahoma City Will Rogers World

mar. 2/10

10:00 am-4:54 pm

1 stop6h 54m

Moline Quad-City

sam. 2/14

3:52 pm-10:30 pm

1 stop6h 38m

$320

Oklahoma CityMoline

OKC - MLI

OKCMLI

Oklahoma City Will Rogers World

mar. 2/10

5:00 am-3:09 pm

2 stops10h 09m

Moline Quad-City

sam. 2/14

5:22 pm-10:30 pm

1 stop5h 08m

$325

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Oklahoma City to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Oklahoma City is in September. Flight prices, which tend to average around $264, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $303.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Oklahoma City to Illinois is on a Thursday when prices can be found for as low as $552. Flights from Oklahoma City to Illinois on a Sunday will generally be more expensive and average around $828. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Oklahoma City to Illinois during this time can be as low as $532. Flights at noon are often more expensive with an average ticket price of $943.

What is the cheapest Oklahoma City Will Rogers World to Illinois flight route?

Fly from Oklahoma City Will Rogers World to Chicago O'Hare Intl for the best Oklahoma City Will Rogers World - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Oklahoma City when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Oklahoma City for as low as $300 on momondo.

What cabin class options are available on Oklahoma City Will Rogers World to Illinois flights?

There are 4 cabin classes available to choose from on Oklahoma City Will Rogers World to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Oklahoma City to Illinois flights?

You could potentially save up to 3% on your flight if you consider stops on a Oklahoma City to Illinois flight.

Cheap Oklahoma City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma City to Illinois

Best Price Found	$212
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Oklahoma City in the past 72 hours is $212. The best round-trip flight deal from Oklahoma City to Illinois found on momondo in the last 72 hours is $396.

The fastest flight from Oklahoma City to Illinois takes 1h 25m

Direct flights go from Oklahoma City to Illinois every day.

There are 98 airports in Illinois. From Oklahoma City there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Oklahoma City Will Rogers World Airport to Illinois?
Prices for flights from Oklahoma City Will Rogers World Airport to Illinois are updated daily.
How many operators does momondo search for flights from Oklahoma City Will Rogers World Airport to Illinois?
As of December 2025, there are 4 operators available to choose from for flights from Oklahoma City Will Rogers World Airport to Illinois.
How old do you have to be to fly from Oklahoma City Will Rogers World Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma City Will Rogers World Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Oklahoma City to Illinois?
Based on momondo bookings for flights between Oklahoma City and Illinois, the leading plane model is Embraer 175 (Enhanced Winglets), making up 26.22% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 24.10%, Embraer 175 with 10.78%, and Embraer 170 with 7.61%.

Best airlines flying from Oklahoma City to Illinois

Compare and see reviews for airlines that fly from Oklahoma City to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $151	Free Cancellation	Rating 5.8 3,082 reviews	Search Frontier flights
United Airlines	PriceFrom $182	Free Cancellation	Rating 7.4 9,099 reviews	Search United Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma City to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oklahoma City to Illinois for you.

Can I find flights from Oklahoma City to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Oklahoma City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oklahoma City to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Oklahoma City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Oklahoma City to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oklahoma City to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $38

Flights to Miamifrom $49

Flights to Chicagofrom $44

Flights to Orlandofrom $29

Flights to San Franciscofrom $49

Flights to Las Vegasfrom $39

Flights to Washington, D.C.from $58

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $51

Flights to Seattlefrom $62

Oklahoma City flight routes

Flights from Oklahoma City Will Rogers World to Denver Intl

Flights from Oklahoma City Will Rogers World to Las Vegas Harry Reid Intl

Flights from Oklahoma City Will Rogers World to Orlando

Flights from Oklahoma City Will Rogers World to Atlanta Hartsfield-Jackson

Flights from Oklahoma City Will Rogers World to Minneapolis St Paul

Flights from Oklahoma City Will Rogers World to Seattle/Tacoma Intl

Cheap flights from Oklahoma City to Illinois from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma City to Illinois departing on 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Oklahoma City to Illinois

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Alaska Airlines flights from Oklahoma City to Illinois

Our best Alaska Airlines deals on Oklahoma City to Illinois flight tickets

Frontier flights from Oklahoma City to Illinois

Our best Frontier deals on Oklahoma City to Illinois flight tickets

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Use the filters below to find and compare flights from Oklahoma City to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Oklahoma City to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Oklahoma City to Illinois during this time can be as low as $532. Flights at noon are often more expensive with an average ticket price of $943.

What is the cheapest Oklahoma City Will Rogers World to Illinois flight route?

Fly from Oklahoma City Will Rogers World to Chicago O'Hare Intl for the best Oklahoma City Will Rogers World - Illinois flight prices

How far in advance should I book a flight to Illinois?

What cabin class options are available on Oklahoma City Will Rogers World to Illinois flights?

There are 4 cabin classes available to choose from on Oklahoma City Will Rogers World to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Oklahoma City to Illinois flights?

You could potentially save up to 3% on your flight if you consider stops on a Oklahoma City to Illinois flight.

What is the cheapest airline that flies from Oklahoma City Will Rogers World to Illinois?

Frontier, Southwest, and Delta are the most popular carriers operating from Oklahoma City Will Rogers World to Illinois

What airlines fly to Illinois?

How many flights depart from Oklahoma City to Illinois on average per day?

As of December 2025, there are 22 flights per day flying from Oklahoma City to Illinois. The most common time of day flights depart is 1:00PM, with 48% of flights taking off in the afternoon.

How many flights depart from Oklahoma City to Illinois on average per week?

As of December 2025, there are 156 flights per week flying from Oklahoma City to Illinois. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.

Cheap Oklahoma City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma City to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Oklahoma City Will Rogers World Airport to Illinois?

How many operators does momondo search for flights from Oklahoma City Will Rogers World Airport to Illinois?

How old do you have to be to fly from Oklahoma City Will Rogers World Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Oklahoma City to Illinois?

Best airlines flying from Oklahoma City to Illinois

Compare and see reviews for airlines that fly from Oklahoma City to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma City to Illinois?

Can I find flights from Oklahoma City to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Oklahoma City to Illinois?

I’m not ready to book a flight from Oklahoma City to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo