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

As of September 2026, there are 257 flights per week flying from Oklahoma to Illinois. The most common day of the week flights depart is Wed, with 25% of flights taking off on this day.

What is the cheapest airline that flies from Oklahoma to Illinois?

Southwest, United Airlines, and Delta are the most popular carriers operating from Oklahoma to Illinois

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Oklahoma according to our data. American Airlines is the first choice among our users, with 43% 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.

How long is the flight from Oklahoma to Illinois?

The flight from Oklahoma to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Tulsa (a popular airport in Oklahoma) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h on average. If you fly from Oklahoma City (another popular airport in Oklahoma) to Chicago O'Hare Intl Airport, then the average flight time is 2h 16m.

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

As of September 2026, there are 36 flights per day flying from Oklahoma to Illinois. The most common time of day flights depart is 10:00AM, with 45% of flights taking off in the afternoon.

When did momondo last update prices for flights from Oklahoma to Illinois?

Prices for flights from Oklahoma to Illinois refresh daily.

How many operators does momondo search for flights from Oklahoma to Illinois?

There are 4 operators available for flights from Oklahoma to Illinois as of September 2026.

How old do you have to be to fly from Oklahoma 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 to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$110 Cheap Flights from Oklahoma to Illinois in 2026/27

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Find the cheapest flights from Oklahoma to Illinois

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8:27 pm - 12:24 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

27h 57m1 stop Denver Intl

6:30 am - 7:24 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

12h 54m1 stop Denver Intl

$221Frontier

Wed, Oct 21 - Wed, Oct 28

8:27 pm - 12:24 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

27h 57m1 stop Denver Intl

6:30 am - 7:24 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

12h 54m1 stop Denver Intl

$222Frontier

Wed, Oct 21 - Wed, Oct 28

8:19 pm - 12:21 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

28h 02m1 stop Denver Intl

6:10 pm - 7:24 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

25h 14m2 stops Minneapolis St Paul Denver Intl

$271Multiple Airlines

Mon, Nov 2 - Fri, Nov 6

8:19 pm - 9:10 pmOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

24h 51m2 stops Denver Intl Houston George Bush Intcntl

6:10 pm - 7:24 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

25h 14m2 stops Minneapolis St Paul Denver Intl

$296Multiple Airlines

Mon, Nov 2 - Fri, Nov 6

7:34 pm - 9:40 pmTUL Tulsa-ORD Chicago O'Hare Intl

2h 06mnonstop

8:00 am - 10:07 amORD Chicago O'Hare Intl-TUL Tulsa

2h 07mnonstop

$297American Airlines

Wed, Oct 14 - Sat, Oct 17

5:47 pm - 8:00 pmTUL Tulsa-ORD Chicago O'Hare Intl

2h 13mnonstop

8:00 am - 10:07 amORD Chicago O'Hare Intl-TUL Tulsa

2h 07mnonstop

$297American Airlines

Mon, Oct 19 - Sat, Oct 24

6:00 am - 8:00 amTUL Tulsa-ORD Chicago O'Hare Intl

2h 00mnonstop

8:45 am - 11:03 amORD Chicago O'Hare Intl-TUL Tulsa

2h 18mnonstop

$297United Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 8:00 amTUL Tulsa-ORD Chicago O'Hare Intl

2h 00mnonstop

8:45 am - 11:03 amORD Chicago O'Hare Intl-TUL Tulsa

2h 18mnonstop

$297United Airlines

Sat, Oct 17 - Sat, Oct 24

5:00 am - 6:45 amTUL Tulsa-MDW Chicago Midway

1h 45mnonstop

10:25 am - 12:25 pmMDW Chicago Midway-TUL Tulsa

2h 00mnonstop

$297Southwest

Mon, Nov 9 - Tue, Nov 10

5:00 am - 6:45 amTUL Tulsa-MDW Chicago Midway

1h 45mnonstop

6:05 pm - 8:05 pmMDW Chicago Midway-TUL Tulsa

2h 00mnonstop

$297Southwest

Sat, Dec 12 - Sat, Jan 9

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 pm - 10:30 pmTUL Tulsa-MLI Moline Quad-City

5h 00m1 stop Atlanta Hartsfield-Jackson

5:04 pm - 10:39 pmMLI Moline Quad-City-TUL Tulsa

5h 35m1 stop Atlanta Hartsfield-Jackson

$369Delta

Wed, Sep 30 - Wed, Oct 7

8:30 pm - 12:23 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

27h 53m1 stop Denver Intl

6:30 am - 7:35 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

13h 05m1 stop Denver Intl

$376Frontier

Wed, Sep 30 - Wed, Oct 7

8:30 pm - 12:23 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

27h 53m1 stop Denver Intl

6:30 am - 7:35 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

13h 05m1 stop Denver Intl

$376Frontier

Tue, Sep 29 - Tue, Oct 6

5:35 pm - 11:15 pmOKC Oklahoma City Will Rogers World-PIA Greater Peoria

5h 40m1 stop Dallas/Fort Worth

4:43 pm - 9:05 pmPIA Greater Peoria-OKC Oklahoma City Will Rogers World

4h 22m1 stop Dallas/Fort Worth

$444American Airlines

Fri, Sep 25 - Mon, Sep 28

3:17 pm - 12:08 amOKC Oklahoma City Will Rogers World-PIA Greater Peoria

8h 51m2 stops Dallas/Fort Worth Chicago O'Hare Intl

4:43 pm - 9:05 pmPIA Greater Peoria-OKC Oklahoma City Will Rogers World

4h 22m1 stop Dallas/Fort Worth

$449American Airlines

Fri, Sep 25 - Mon, Sep 28

5:49 pm - 8:20 pmOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

2h 31mnonstop

9:16 am - 11:54 amORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

2h 38mnonstop

$505United Airlines

Tue, Sep 29 - Tue, Oct 6

7:15 am - 9:40 amOKC Oklahoma City Will Rogers World-ORD Chicago O'Hare Intl

2h 25mnonstop

3:35 pm - 6:05 pmORD Chicago O'Hare Intl-OKC Oklahoma City Will Rogers World

2h 30mnonstop

$505United Airlines

Sat, Sep 26 - Tue, Sep 29

3:20 pm - 5:10 pmOKC Oklahoma City Will Rogers World-MDW Chicago Midway

1h 50mnonstop

10:00 am - 12:05 pmMDW Chicago Midway-OKC Oklahoma City Will Rogers World

2h 05mnonstop

$505Southwest

Tue, Sep 29 - Tue, Oct 6

11:30 am - 1:40 pmOKC Oklahoma City Will Rogers World-MDW Chicago Midway

2h 10mnonstop

8:20 pm - 10:25 pmMDW Chicago Midway-OKC Oklahoma City Will Rogers World

2h 05mnonstop

$505Southwest

Sat, Sep 26 - Tue, Sep 29

12:45 pm - 6:56 pmTUL Tulsa-ORD Chicago O'Hare Intl

6h 11m1 stop Atlanta Hartsfield-Jackson

11:09 am - 10:39 pmORD Chicago O'Hare Intl-TUL Tulsa

11h 30m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$544Delta

Sat, Sep 26 - Sat, Oct 10

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American Airlines flights from Oklahoma to Illinois

Our best American Airlines deals on Oklahoma to Illinois flight tickets

American Airlines

Oct 20

TUL5:36 pmTulsa

2h 13m

ORD7:49 pmChicago O'Hare Intl

Nov 3

ORD8:10 amChicago O'Hare Intl

2h 10m

TUL10:20 amTulsa

$297

American Airlines

Oct 17

TUL7:34 pmTulsa

2h 06m

ORD9:40 pmChicago O'Hare Intl

Oct 21

ORD3:00 pmChicago O'Hare Intl

2h 16m

TUL5:16 pmTulsa

$298

American Airlines

Nov 7

TUL7:29 pmTulsa

2h 15m

ORD9:44 pmChicago O'Hare Intl

Nov 14

ORD8:10 amChicago O'Hare Intl

2h 10m

TUL10:20 amTulsa

$299

United Airlines flights from Oklahoma to Illinois

Our best United Airlines deals on Oklahoma to Illinois flight tickets

United Airlines

Dec 24

OKC5:59 pmOklahoma City Will Rogers World

2h 25m

ORD8:24 pmChicago O'Hare Intl

Dec 29

ORD7:50 pmChicago O'Hare Intl

2h 45m

OKC10:35 pmOklahoma City Will Rogers World

$297

United Airlines

Oct 23

TUL6:00 amTulsa

2h 00m

ORD8:00 amChicago O'Hare Intl

Oct 23

ORD8:00 pmChicago O'Hare Intl

1h 59m

TUL9:59 pmTulsa

$319

United Airlines

Jan 7

TUL6:35 pmTulsa

2h 02m

ORD8:37 pmChicago O'Hare Intl

Jan 10

ORD8:42 amChicago O'Hare Intl

2h 26m

TUL11:08 amTulsa

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CityChicago

OKC Oklahoma City Will Rogers World - ORD Chicago O'Hare Intl

OKCORD

Oklahoma City Will Rogers World

Wed 10/21

8:27 pm-12:24 am

1 stop27h 57m

Chicago O'Hare Intl

Wed 10/28

6:30 am-7:24 pm

1 stop12h 54m

$221

Oklahoma CityChicago

OKC Oklahoma City Will Rogers World - ORD Chicago O'Hare Intl

OKCORD

Oklahoma City Will Rogers World

Wed 10/21

8:27 pm-12:24 am

1 stop27h 57m

Chicago O'Hare Intl

Wed 10/28

6:30 am-7:24 pm

1 stop12h 54m

$222

Oklahoma CityChicago

OKC Oklahoma City Will Rogers World - ORD Chicago O'Hare Intl

OKCORD

Oklahoma City Will Rogers World

Mon 11/2

8:19 pm-12:21 am

1 stop28h 02m

Chicago O'Hare Intl

Fri 11/6

6:10 pm-7:24 pm

2 stops25h 14m

$271

Oklahoma CityChicago

OKC Oklahoma City Will Rogers World - ORD Chicago O'Hare Intl

OKCORD

Oklahoma City Will Rogers World

Mon 11/2

8:19 pm-9:10 pm

2 stops24h 51m

Chicago O'Hare Intl

Fri 11/6

6:10 pm-7:24 pm

2 stops25h 14m

$296

TulsaChicago

TUL Tulsa - ORD Chicago O'Hare Intl

TULORD

Tulsa

Wed 10/14

7:34 pm-9:40 pm

Nonstop2h 06m

Chicago O'Hare Intl

Sat 10/17

8:00 am-10:07 am

Nonstop2h 07m

$297

TulsaChicago

TUL Tulsa - ORD Chicago O'Hare Intl

TULORD

Tulsa

Mon 10/19

5:47 pm-8:00 pm

Nonstop2h 13m

Chicago O'Hare Intl

Sat 10/24

8:00 am-10:07 am

Nonstop2h 07m

$297

TulsaChicago

TUL Tulsa - ORD Chicago O'Hare Intl

TULORD

Tulsa

Sat 10/17

6:00 am-8:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Sat 10/24

8:45 am-11:03 am

Nonstop2h 18m

$297

TulsaChicago

TUL Tulsa - ORD Chicago O'Hare Intl

TULORD

Tulsa

Sat 10/17

6:00 am-8:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Sat 10/24

8:45 am-11:03 am

Nonstop2h 18m

$297

Quickest round-trip

TulsaChicago

TUL Tulsa - MDW Chicago Midway

TULMDW

Tulsa

Mon 11/9

5:00 am-6:45 am

Nonstop1h 45m

Chicago Midway

Tue 11/10

10:25 am-12:25 pm

Nonstop2h 00m

$297

TulsaChicago

TUL Tulsa - MDW Chicago Midway

TULMDW

Tulsa

Sat 12/12

5:00 am-6:45 am

Nonstop1h 45m

Chicago Midway

Sat 1/9

6:05 pm-8:05 pm

Nonstop2h 00m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oklahoma 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 is in April. Flight prices, which tend to average around $352, 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 April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $354.

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

The cheapest day to depart from Oklahoma to Illinois is on a Thursday when prices can be found for as low as $539. Flights from Oklahoma to Illinois on a Sunday will generally be more expensive and average around $798. 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 to Illinois during this time can be as low as $545. Flights at noon are often more expensive with an average ticket price of $934.

What is the cheapest Oklahoma to Illinois flight route?

Fly from Tulsa to Chicago Midway for the best Oklahoma - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Oklahoma when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Oklahoma for as low as $330 on momondo.

What cabin class options are available on Oklahoma to Illinois flights?

There are 4 cabin classes available to choose from on Oklahoma 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 to Illinois flights?

You could potentially save up to 8% on your flight if you consider stops on a Oklahoma to Illinois flight.

Cheap Oklahoma to Illinois flight deals and tips

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

Best Price Found	$110
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Oklahoma in the past 72 hours is $110. The best round-trip flight deal from Oklahoma to Illinois found on momondo in the last 72 hours is $221.

The fastest flight from Oklahoma to Illinois takes 1h 35m

Direct flights go from Oklahoma to Illinois every day.

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

Search flight deals

Frequently asked questions about flying from Oklahoma to Illinois

When did momondo last update prices for flights from Oklahoma to Illinois?
Prices for flights from Oklahoma to Illinois refresh daily.
How many operators does momondo search for flights from Oklahoma to Illinois?
There are 4 operators available for flights from Oklahoma to Illinois as of September 2026.
How old do you have to be to fly from Oklahoma 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 to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oklahoma to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Oklahoma to Illinois is Embraer 175 (Enhanced Winglets), representing 18.92% of all bookings. The subsequent popular models are Embraer 170 at 13.11%, Embraer 175 at 11.23%, and Canadair (Bombardier) Regional Jet 700 at 10.99%.

Best airlines flying from Oklahoma to Illinois

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $138	Free Cancellation	Rating 5.6 2,578 reviews	Search Frontier flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 10,233 reviews	Search United Airlines flights
American Airlines	PriceFrom $195	Free Cancellation	Rating 7.0 12,074 reviews	Search American Airlines flights
Southwest	PriceFrom $231	Free Cancellation	Rating 8.0 4,199 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma 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 to Illinois for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oklahoma to Illinois.

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

Price alerts on flights to Illinois from Oklahoma are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Illinois

Flights to New Yorkfrom $68

Flights to Los Angelesfrom $50

Flights to Orlandofrom $52

Flights to Miamifrom $79

Flights to San Franciscofrom $43

Flights to Chicagofrom $50

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $60

Flights to Bostonfrom $105

Flights to Atlantafrom $43

Flights to Dallasfrom $60

Cheap flights from Oklahoma to Illinois from $110

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 to Illinois departing on 11/9. 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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American Airlines flights from Oklahoma to Illinois

Our best American Airlines deals on Oklahoma to Illinois flight tickets

United Airlines flights from Oklahoma to Illinois

Our best United Airlines deals on Oklahoma to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Oklahoma 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?

What is the cheapest Oklahoma to Illinois flight route?

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

What cabin class options are available on Oklahoma to Illinois flights?

Can stopping save me money on Oklahoma to Illinois flights?

What is the cheapest airline that flies from Oklahoma to Illinois?

What airlines fly to Illinois?

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

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

How long is the flight from Oklahoma to Illinois?

Cheap Oklahoma to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Oklahoma to Illinois

Best airlines flying from Oklahoma to Illinois

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

Why use momondo?

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

Oklahoma flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

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