OKC

$73 Find Cheap Flights from Illinois to Oklahoma City

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Oklahoma City departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$162
Overall average: $353
Frontier
Thu 4/9Mon 4/13
ORD - OKC • 1 stop
Cheapest non-stop
$253
Typical prices: $290-$530
American Airlines
Wed 12/31Thu 1/1
ORD - OKC • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Oklahoma City

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Oklahoma City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Oklahoma City

Thu, Apr 9 - Mon, Apr 13
Frontier Logo
7:00 am - 1:20 pm
ORD
-
OKC
6h 20m1 stop
Frontier Logo
2:15 pm - 12:12 am
OKC
-
ORD
9h 57m1 stop
$162Frontier
Mon, Jan 12 - Mon, Jan 19
Frontier Logo
7:43 pm - 2:24 pm
STL
-
OKC
18h 41m1 stop
Frontier Logo
8:29 pm - 6:51 am
OKC
-
STL
34h 22m2 stops
$195Frontier
Sat, Jan 24 - Sun, Jan 25
American Airlines Logo
8:55 pm - 9:43 am
ORD
-
OKC
12h 48m1 stop
American Airlines Logo
11:28 am - 1:45 pm
OKC
-
ORD
2h 17mnonstop
$227American Airlines
Wed, Jan 14 - Thu, Jan 15
American Airlines Logo
8:55 pm - 8:24 am
ORD
-
OKC
11h 29m1 stop
American Airlines Logo
11:28 am - 1:45 pm
OKC
-
ORD
2h 17mnonstop
$228American Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
3:30 pm - 10:18 pm
PIA
-
OKC
6h 48m1 stop
United Airlines Logo
4:24 pm - 9:39 pm
OKC
-
PIA
5h 15m1 stop
$279United Airlines
Thu, Jan 1 - Sat, Jan 10
Southwest Logo
8:15 am - 10:30 am
MDW
-
OKC
2h 15mnonstop
Southwest Logo
3:15 pm - 8:25 pm
OKC
-
MDW
5h 10m1 stop
$288Southwest
Thu, Jan 15 - Mon, Jan 19
Southwest Logo
8:45 pm - 10:25 pm
STL
-
OKC
1h 40mnonstop
Southwest Logo
4:30 pm - 5:55 pm
OKC
-
STL
1h 25mnonstop
$291Southwest
Tue, Jan 13 - Tue, Jan 20
Delta Logo
11:21 am - 7:12 pm
MDW
-
OKC
7h 51m1 stop
Delta Logo
11:23 am - 5:29 pm
OKC
-
MDW
6h 06m1 stop
$298Delta
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
6:30 am - 12:03 pm
PIA
-
OKC
5h 33m1 stop
United Airlines Logo
10:00 am - 2:23 pm
OKC
-
PIA
4h 23m1 stop
$339United Airlines
Wed, Jan 14 - Thu, Jan 15
Delta Logo
7:10 am - 3:07 pm
STL
-
OKC
7h 57m1 stop
Delta Logo
5:20 am - 11:05 am
OKC
-
STL
5h 45m1 stop
$346Delta
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Good to know

Low seasonJanuary
Cheapest flight$73
Most popular time to fly and prices are also 2% lower on average.
Flight from St. Louis to Oklahoma City

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

Oklahoma City (OKC)