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Cheap flights from Illinois to Oklahoma from $44

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 2/1. 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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0 bags

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Find the cheapest flights from Illinois to Oklahoma

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:45 am - 12:30 pm
MDW
-
DFW
2h 45mnonstop
Frontier Logo
8:55 pm - 11:13 pm
DFW
-
MDW
2h 18mnonstop
$88Frontier
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
8:38 am - 11:36 am
ORD
-
DFW
2h 58mnonstop
Frontier Logo
5:01 am - 7:34 am
DFW
-
ORD
2h 33mnonstop
$88Frontier
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
9:45 am - 12:30 pm
MDW
-
DFW
2h 45mnonstop
Frontier Logo
1:30 pm - 3:49 pm
DFW
-
MDW
2h 19mnonstop
$89Frontier
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
7:57 pm - 10:40 pm
ORD
-
DFW
2h 43mnonstop
Multiple Airlines Logo
9:10 pm - 11:43 pm
DFW
-
ORD
2h 33mnonstop
$91Multiple Airlines
Tue, Jan 6 - Fri, Jan 16
Multiple Airlines Logo
8:43 pm - 9:58 am
ORD
-
DFW
13h 15m1 stop
Multiple Airlines Logo
1:21 pm - 3:54 pm
DFW
-
ORD
2h 33mnonstop
$96Multiple Airlines
Thu, Jan 8 - Sat, Jan 10
American Airlines Logo
8:25 am - 2:55 pm
ORD
-
TUL
6h 30m1 stop
American Airlines Logo
6:11 pm - 8:18 pm
TUL
-
ORD
2h 07mnonstop
$173American Airlines
Tue, Feb 17 - Tue, Feb 17
United Airlines Logo
3:35 pm - 5:40 pm
ORD
-
XNA
2h 05mnonstop
United Airlines Logo
6:24 pm - 8:25 pm
XNA
-
ORD
2h 01mnonstop
$209United Airlines
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
1:37 pm - 3:43 pm
ORD
-
XNA
2h 06mnonstop
American Airlines Logo
8:12 am - 10:11 am
XNA
-
ORD
1h 59mnonstop
$211American Airlines
Thu, Jan 8 - Sun, Jan 11
Delta Logo
6:45 am - 1:07 pm
ORD
-
TUL
6h 22m1 stop
Delta Logo
1:56 pm - 7:19 pm
TUL
-
ORD
5h 23m1 stop
$252Delta
Tue, Feb 17 - Wed, Feb 18
United Airlines Logo
5:18 pm - 10:59 pm
PIA
-
DFW
5h 41m1 stop
United Airlines Logo
7:00 am - 12:38 pm
DFW
-
PIA
5h 38m1 stop
$293United Airlines
Wed, Jan 14 - Wed, Jan 21

Frontier flights from Illinois to Oklahoma

Our best Frontier deals on Illinois to Oklahoma flight tickets
Frontier
Feb 20
ORD8:38 amChicago O'Hare Intl
2h 58m
DFW11:36 amDallas/Fort Worth
Feb 22
DFW5:01 amDallas/Fort Worth
2h 33m
ORD7:34 amChicago O'Hare Intl
$88
Find similar
Frontier
Feb 20
ORD8:38 amChicago O'Hare Intl
2h 58m
DFW11:36 amDallas/Fort Worth
Feb 22
DFW5:01 amDallas/Fort Worth
2h 33m
ORD7:34 amChicago O'Hare Intl
$89
Find similar
Frontier
Feb 21
MDW9:15 amChicago Midway
2h 45m
DFW12:00 pmDallas/Fort Worth
Feb 28
DFW10:44 amDallas/Fort Worth
10h 55m
1 stop
MDW9:39 pmChicago Midway
$93
Find similar

Spirit Airlines flights from Illinois to Oklahoma

Our best Spirit Airlines deals on Illinois to Oklahoma flight tickets
Spirit Airlines
Jan 8
ORD8:43 pmChicago O'Hare Intl
13h 15m
1 stop
DFW9:58 amDallas/Fort Worth
Jan 15
DFW6:46 amDallas/Fort Worth
11h 30m
1 stop
ORD6:16 pmChicago O'Hare Intl
$112
Find similar
Spirit Airlines
Jan 14
ORD9:23 amChicago O'Hare Intl
14h 35m
1 stop
DFW11:58 pmDallas/Fort Worth
Jan 21
DFW11:06 amDallas/Fort Worth
6h 46m
1 stop
ORD5:52 pmChicago O'Hare Intl
$129
Find similar
Spirit Airlines
Jan 8
ORD8:43 pmChicago O'Hare Intl
13h 15m
1 stop
DFW9:58 amDallas/Fort Worth
Jan 15
DFW11:06 amDallas/Fort Worth
6h 46m
1 stop
ORD5:52 pmChicago O'Hare Intl
$131
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Illinois to Oklahoma that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Fri 1/30

9:45 am-12:30 pm

Nonstop2h 45m

Dallas/Fort Worth

Sun 2/1

8:55 pm-11:13 pm

Nonstop2h 18m

$88

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Fri 2/20

8:38 am-11:36 am

Nonstop2h 58m

Dallas/Fort Worth

Sun 2/22

5:01 am-7:34 am

Nonstop2h 33m

$88

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Fri 1/30

9:45 am-12:30 pm

Nonstop2h 45m

Dallas/Fort Worth

Fri 2/6

1:30 pm-3:49 pm

Nonstop2h 19m

$89

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Tue 1/6

7:57 pm-10:40 pm

Nonstop2h 43m

Dallas/Fort Worth

Fri 1/16

9:10 pm-11:43 pm

Nonstop2h 33m

$91

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Thu 1/8

8:43 pm-9:58 am

1 stop13h 15m

Dallas/Fort Worth

Sat 1/10

1:21 pm-3:54 pm

Nonstop2h 33m

$96

ChicagoTulsa

ORD - TUL

ORDTUL

Chicago O'Hare Intl

Tue 2/17

8:25 am-2:55 pm

1 stop6h 30m

Tulsa

Tue 2/17

6:11 pm-8:18 pm

Nonstop2h 07m

$173

ChicagoFayetteville

ORD - XNA

ORDXNA

Chicago O'Hare Intl

Fri 1/9

3:35 pm-5:40 pm

Nonstop2h 05m

Fayetteville Northwest Arkansas

Mon 1/12

6:24 pm-8:25 pm

Nonstop2h 01m

$209

ChicagoFayetteville

ORD - XNA

ORDXNA

Chicago O'Hare Intl

Thu 1/8

1:37 pm-3:43 pm

Nonstop2h 06m

Fayetteville Northwest Arkansas

Sun 1/11

8:12 am-10:11 am

Nonstop1h 59m

$211

ChicagoTulsa

ORD - TUL

ORDTUL

Chicago O'Hare Intl

Tue 2/17

6:45 am-1:07 pm

1 stop6h 22m

Tulsa

Wed 2/18

1:56 pm-7:19 pm

1 stop5h 23m

$252

PeoriaDallas

PIA - DFW

PIADFW

Greater Peoria

Wed 1/14

5:18 pm-10:59 pm

1 stop5h 41m

Dallas/Fort Worth

Wed 1/21

7:00 am-12:38 pm

1 stop5h 38m

$293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The cheapest month to fly to Oklahoma from Illinois is in October. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. If you are unable to visit Oklahoma during the month of October, then departing from Illinois during the month July is also very affordable. Most momondo users find prices during this month for around $329.

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

The cheapest day to depart from Illinois to Oklahoma is on a Wednesday when prices can be found for as low as $339. Flights from Illinois to Oklahoma on a Monday will generally be more expensive and average around $481. 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 $373 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $406 on average. Flights to Oklahoma from Illinois in the evening 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 $386 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 $281 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 42% 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

$125

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Oklahoma

32 airports
The best one-way flight to Oklahoma from Illinois in the past 72 hours is $125. The best round-trip flight deal from Illinois to Oklahoma found on momondo in the last 72 hours is $251.
The fastest flight from Illinois to Oklahoma takes 1h 20m
Direct flights go from Illinois to Oklahoma every day.
There are 32 airports in Oklahoma. From Illinois there are direct flights to Dallas/Fort Worth (DFW), Fayetteville Northwest Arkansas (XNA), Tulsa (TUL).
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?

  • 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?

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
SouthwestPriceFrom $131Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $163Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
FrontierPriceFrom $206Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
11,055 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

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Find better results for your trip to Oklahoma

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