How does KAYAK find such low prices on flights from Illinois to Oklahoma City?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oklahoma City. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oklahoma City?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oklahoma City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Oklahoma City?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oklahoma City with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oklahoma City?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oklahoma City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$82 CHEAP FLIGHTS from Illinois to Oklahoma City

OKC

KAYAK searches hundreds of travel sites at once for deals on flights to Oklahoma City

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Cheap Flights from Illinois to Oklahoma City

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Oklahoma City

Wed, Jun 10 - Mon, Jun 22

7:03 pm - 6:44 pm

STL

OKC

23h 41m

1 stop

3:49 pm - 7:23 pm

OKC

STL

27h 34m

1 stop

$221Frontier

Thu, Jun 11 - Tue, Jun 23

6:55 am - 12:56 pm

ORD

OKC

6h 01m

1 stop

1:51 pm - 7:50 pm

OKC

ORD

5h 59m

1 stop

$223Frontier

Thu, Jun 18 - Tue, Jun 23

6:00 am - 12:56 pm

MDW

OKC

6h 56m

1 stop

1:51 pm - 10:11 pm

OKC

MDW

8h 20m

1 stop

$223Frontier

Thu, Jun 25 - Mon, Jun 29

6:13 am - 10:25 am

PIA

OKC

4h 12m

1 stop

7:04 pm - 12:38 am

OKC

PIA

5h 34m

1 stop

$309American Airlines

Tue, Jun 30 - Sat, Aug 1

6:00 am - 2:14 pm

PIA

OKC

8h 14m

2 stops

7:15 pm - 11:40 pm

OKC

PIA

4h 25m

1 stop

$314American Airlines

Wed, Jun 17 - Wed, Jun 24

10:30 am - 12:30 pm

MDW

OKC

2h 00mnonstop

2:55 pm - 4:50 pm

OKC

MDW

1h 55mnonstop

$331Southwest

Wed, Jun 17 - Wed, Jun 24

10:30 am - 12:30 pm

MDW

OKC

2h 00mnonstop

8:00 pm - 12:05 am

OKC

MDW

4h 05m

1 stop

$341Southwest

Tue, Aug 18 - Sat, Aug 22

3:35 pm - 10:56 pm

PIA

OKC

7h 21m

1 stop

5:45 pm - 10:43 pm

OKC

PIA

4h 58m

1 stop

$389United Airlines

Tue, Aug 18 - Sat, Aug 22

6:05 am - 11:42 am

PIA

OKC

5h 37m

1 stop

12:02 pm - 10:43 pm

OKC

PIA

10h 41m

2 stops

$394United Airlines

Mon, Jun 15 - Sun, Jun 21

6:00 am - 12:11 pm

BMI

OKC

6h 11m

1 stop

5:14 pm - 10:47 pm

OKC

BMI

5h 33m

1 stop

$509Delta

Useful Info

Low season	January
High season	May
Cheapest flight	$82

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Chicago O'Hare Airport to Oklahoma City

How does KAYAK find such low prices on flights from Illinois to Oklahoma City?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oklahoma City.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oklahoma City?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oklahoma City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Oklahoma City?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oklahoma City with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oklahoma City?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oklahoma City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Oklahoma City

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Oklahoma City

Oklahoma City (OKC)

OKC

$82 Find Cheap Flights from Illinois to Oklahoma City

KAYAK searches hundreds of travel sites at once for deals on flights to Oklahoma City

Cheap Flights from Illinois to Oklahoma City

Recent round-trip flight deals from Illinois to Oklahoma City

Recent one-way flight deals from Illinois to Oklahoma City

Recent last minute flight deals from Illinois to Oklahoma City

Recent direct flight deals from Illinois to Oklahoma City

Good to know

FAQs for booking flights from Illinois to Oklahoma City

How does KAYAK find such low prices on flights from Illinois to Oklahoma City?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oklahoma City.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oklahoma City?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oklahoma City from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Oklahoma City?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oklahoma City with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oklahoma City?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oklahoma City from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Oklahoma City

Information on the airport you'll fly into in Oklahoma City

Cabin class types available on flights to Illinois

Complete your trip to Oklahoma City with a hotel stay or car rental

Find direct flights for Oklahoma City

Flights to other popular destinations

Flights from domestic origins to Oklahoma City

Choose which airport to fly into in Oklahoma City

Find deals for your return flight