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

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Illinois to Oklahoma

What airlines fly to Oklahoma?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Oklahoma from Illinois according to our data. American Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Oklahoma. Keep in mind that there are 4 different airlines that fly to Oklahoma on a routine basis, so you have a few additional options to choose from.

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

As of July 2025, 166 flights take off from Illinois and land in Oklahoma each day. The most common flight departure time for this route is 4:00PM, with 42% of daily flights taking off in the afternoon.

How long is the flight from Illinois to Oklahoma?

Average flight duration from Illinois to Oklahoma depends on which airport you fly into and out of. Flying from Chicago to Oklahoma City is 2h 07m on average, while flying from Peoria to Oklahoma City is 4h 38m on average. Oklahoma City is the most popular airport in Oklahoma.

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

As of July 2025, there are 1,164 flights per week flying from Illinois to Oklahoma. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

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

Prices for flights from Illinois to Oklahoma were last updated today.

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

As of July 2025, there are 6 operators available to choose from for flights from Illinois to Oklahoma.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Oklahoma.

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

The travel and health documents you'll need for your trip to Oklahoma may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oklahoma. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$31 Cheap Flights from Illinois to Oklahoma in 2025

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Find the cheapest flights from Illinois to Oklahoma

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:25 am - 7:58 amORD-DFW

2h 33mnonstop

8:53 am - 11:33 amDFW-ORD

2h 40mnonstop

$49Frontier

Find Deal

qui, out 16 - seg, out 20

5:25 am - 7:58 amORD-DFW

2h 33mnonstop

5:53 pm - 8:24 pmDFW-ORD

2h 31mnonstop

$59Frontier

Find Deal

qui, out 9 - sáb, out 11

5:31 pm - 8:06 pmORD-DFW

2h 35mnonstop

9:28 pm - 11:50 pmDFW-ORD

2h 22mnonstop

$98Spirit Airlines

Find Deal

qui, out 16 - seg, out 20

10:05 pm - 12:34 amORD-DFW

2h 29mnonstop

7:20 am - 9:44 amDFW-ORD

2h 24mnonstop

$115Spirit Airlines

Find Deal

dom, nov 16 - ter, nov 18

7:00 am - 9:00 amSTL-DFW

2h 00mnonstop

9:29 pm - 11:18 pmDFW-STL

1h 49mnonstop

$139American Airlines

Find Deal

ter, out 7 - sáb, out 11

5:58 pm - 8:05 pmSTL-DFW

2h 07mnonstop

8:49 am - 10:37 amDFW-STL

1h 48mnonstop

$169American Airlines

Find Deal

seg, nov 3 - qua, nov 5

4:50 pm - 6:40 pmMDW-TUL

1h 50mnonstop

9:05 am - 10:50 amTUL-MDW

1h 45mnonstop

$217Southwest

Find Deal

qua, ago 27 - qua, set 3

5:15 pm - 7:15 pmMDW-OKC

2h 00mnonstop

7:00 am - 8:55 amOKC-MDW

1h 55mnonstop

$217Southwest

Find Deal

qua, ago 20 - sáb, ago 23

9:10 am - 11:44 amORD-OKC

2h 34mnonstop

7:30 am - 9:45 amOKC-ORD

2h 15mnonstop

$223United Airlines

Find Deal

ter, dez 9 - seg, dez 15

1:00 pm - 3:26 pmORD-OKC

2h 26mnonstop

4:07 pm - 6:26 pmOKC-ORD

2h 19mnonstop

$259United Airlines

Find Deal

sex, out 10 - seg, out 13

Frontier flights from Illinois to Oklahoma

Our best Frontier deals on Illinois to Oklahoma flight tickets

Frontier

Oct 16

ORD5:25 amChicago O'Hare Intl

2h 33m

DFW7:58 amDallas/Fort Worth

Oct 20

DFW8:53 amDallas/Fort Worth

2h 40m

ORD11:33 amChicago O'Hare Intl

$49

Find similar

Frontier

Oct 9

ORD5:25 amChicago O'Hare Intl

2h 33m

DFW7:58 amDallas/Fort Worth

Oct 11

DFW5:53 pmDallas/Fort Worth

2h 31m

ORD8:24 pmChicago O'Hare Intl

$59

Find similar

Frontier

Sep 18

STL10:49 amLambert-St Louis

1h 50m

DFW12:39 pmDallas/Fort Worth

Sep 21

DFW8:00 amDallas/Fort Worth

1h 54m

STL9:54 amLambert-St Louis

$60

Find similar

American Airlines flights from Illinois to Oklahoma

Our best American Airlines deals on Illinois to Oklahoma flight tickets

American Airlines

Oct 7

STL7:00 amLambert-St Louis

2h 00m

DFW9:00 amDallas/Fort Worth

Oct 11

DFW9:29 pmDallas/Fort Worth

1h 49m

STL11:18 pmLambert-St Louis

$139

Find similar

American Airlines

Nov 3

STL5:58 pmLambert-St Louis

2h 07m

DFW8:05 pmDallas/Fort Worth

Nov 5

DFW8:49 amDallas/Fort Worth

1h 48m

STL10:37 amLambert-St Louis

$169

Find similar

American Airlines

Sep 13

STL6:10 amLambert-St Louis

8h 15m

1 stop

DFW2:25 pmDallas/Fort Worth

Sep 13

DFW4:35 pmDallas/Fort Worth

1h 47m

STL6:22 pmLambert-St Louis

$174

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

qui 10/16

5:25 am-7:58 am

Nonstop2h 33m

Dallas/Fort Worth

seg 10/20

8:53 am-11:33 am

Nonstop2h 40m

$49

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

qui 10/9

5:25 am-7:58 am

Nonstop2h 33m

Dallas/Fort Worth

sáb 10/11

5:53 pm-8:24 pm

Nonstop2h 31m

$59

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

qui 10/16

5:31 pm-8:06 pm

Nonstop2h 35m

Dallas/Fort Worth

seg 10/20

9:28 pm-11:50 pm

Nonstop2h 22m

$98

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

dom 11/16

10:05 pm-12:34 am

Nonstop2h 29m

Dallas/Fort Worth

ter 11/18

7:20 am-9:44 am

Nonstop2h 24m

$115

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

ter 10/7

7:00 am-9:00 am

Nonstop2h 00m

Dallas/Fort Worth

sáb 10/11

9:29 pm-11:18 pm

Nonstop1h 49m

$139

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

seg 11/3

5:58 pm-8:05 pm

Nonstop2h 07m

Dallas/Fort Worth

qua 11/5

8:49 am-10:37 am

Nonstop1h 48m

$169

ChicagoTulsa

MDW - TUL

MDWTUL

Chicago Midway

qua 8/27

4:50 pm-6:40 pm

Nonstop1h 50m

Tulsa

qua 9/3

9:05 am-10:50 am

Nonstop1h 45m

$217

ChicagoOklahoma City

MDW - OKC

MDWOKC

Chicago Midway

qua 8/20

5:15 pm-7:15 pm

Nonstop2h 00m

Oklahoma City Will Rogers World

sáb 8/23

7:00 am-8:55 am

Nonstop1h 55m

$217

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

ter 12/9

9:10 am-11:44 am

Nonstop2h 34m

Oklahoma City Will Rogers World

seg 12/15

7:30 am-9:45 am

Nonstop2h 15m

$223

ChicagoOklahoma City

ORD - OKC

ORDOKC

Chicago O'Hare Intl

sex 10/10

1:00 pm-3:26 pm

Nonstop2h 26m

Oklahoma City Will Rogers World

seg 10/13

4:07 pm-6:26 pm

Nonstop2h 19m

$259

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 Illinois to Oklahoma

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 Oklahoma?

The cheapest month to fly to Oklahoma from Illinois is in August. Flight prices, which tend to average around $328, are often lower during this time because this is during the off-season. If you are unable to visit Oklahoma during the month of August, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $334.

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

The cheapest day to depart from Illinois to Oklahoma is on a Saturday when prices can be found for as low as $322. Flights from Illinois to Oklahoma on a Sunday will generally be more expensive and average around $396. 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 Oklahoma?

Flying to Oklahoma from Illinois in the morning is the least expensive time of day to depart. momondo users have found prices as low as $364 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $422 on average. Flights to Oklahoma from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Oklahoma flight route?

Fly from Chicago O'Hare Intl to Tulsa for the best Illinois - Oklahoma flight prices

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

You are more likely to see cheaper flights to Oklahoma from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Oklahoma for around $368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oklahoma from Illinois for as low as $279 on momondo.

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

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

You could potentially save up to 15% on your flight if you consider stops on a Illinois to Oklahoma flight.

Cheap Illinois to Oklahoma flight deals and tips

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

Best Price Found	$31
Fastest flight time	1h 45m
Direct flights	Every day
Airports in Oklahoma	4 airports

The best one-way flight to Oklahoma from Illinois in the past 72 hours is $31. The best round-trip flight deal from Illinois to Oklahoma found on momondo in the last 72 hours is $49.

The fastest flight from Illinois to Oklahoma takes 1h 45m

Direct flights go from Illinois to Oklahoma every day.

There are 4 airports near Oklahoma: Dallas/Fort Worth (DFW), Oklahoma City Will Rogers World (OKC), Tulsa (TUL), Fayetteville Northwest Arkansas (XNA)

Search flight deals

When did momondo last update prices for flights from Illinois to Oklahoma?
Prices for flights from Illinois to Oklahoma were last updated today.
How many operators does momondo search for flights from Illinois to Oklahoma?
As of July 2025, there are 6 operators available to choose from for flights from Illinois to Oklahoma.
How old do you have to be to fly from Illinois to Oklahoma?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Oklahoma.
What documentation or ID do you need to fly to Oklahoma?
The travel and health documents you'll need for your trip to Oklahoma may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oklahoma. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Oklahoma?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Oklahoma is Embraer 175 (Enhanced Winglets), representing 21.13% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 19.46%, Canadair (Bombardier) Regional Jet CRJ-550 at 18.72%, and Embraer 175 at 10.04%.

Best airlines flying from Illinois to Oklahoma

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $112	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $224	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Oklahoma. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Illinois to Oklahoma on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Illinois to Oklahoma flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Oklahoma from Illinois 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.

An easier way to manage your Oklahoma 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.

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Find better results for your trip to Oklahoma

Popular cities in Oklahoma

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Flights to San Franciscofrom $49

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Cheap flights from Illinois to Oklahoma from $31

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oklahoma departing on 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Oklahoma

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Illinois to Oklahoma

Our best Frontier deals on Illinois to Oklahoma flight tickets

American Airlines flights from Illinois to Oklahoma

Our best American Airlines deals on Illinois to Oklahoma flight tickets

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

See travel insights to Oklahoma from

How to get the cheapest flight ticket from Illinois to Oklahoma

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

What is the cheapest month to fly to Oklahoma?

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

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

What is the cheapest Illinois to Oklahoma flight route?

Fly from Chicago O'Hare Intl to Tulsa for the best Illinois - Oklahoma flight prices

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

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

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

You could potentially save up to 15% on your flight if you consider stops on a Illinois to Oklahoma flight.

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

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Illinois to Oklahoma

What airlines fly to Oklahoma?

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

As of July 2025, 166 flights take off from Illinois and land in Oklahoma each day. The most common flight departure time for this route is 4:00PM, with 42% of daily flights taking off in the afternoon.

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

As of July 2025, there are 1,164 flights per week flying from Illinois to Oklahoma. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

How long is the flight from Illinois to Oklahoma?

Average flight duration from Illinois to Oklahoma depends on which airport you fly into and out of. Flying from Chicago to Oklahoma City is 2h 07m on average, while flying from Peoria to Oklahoma City is 4h 38m on average. Oklahoma City is the most popular airport in Oklahoma.

Cheap Illinois to Oklahoma flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Oklahoma

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

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

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

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

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

Best airlines flying from Illinois to Oklahoma

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

Why use momondo?

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

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

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

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

An easier way to manage your Oklahoma 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 Oklahoma

Popular cities in Oklahoma

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