$76+ Cheap flights from Illinois to Oklahoma
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to OklahomaExplore the most affordable flight options available from Illinois to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Illinois to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:25 am -
1 stop12h 08m
Wed 12/168:29 pm -
1 stop27h 57m
Deal found 10/29![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop12h 54m
Mon 11/168:19 pm -
1 stop28h 02m
Deal found 10/25![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:25 am -
1 stop12h 08m
Mon 12/218:29 pm -
1 stop27h 57m
Deal found 10/27![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
1 stop12h 29m
Tue 12/88:29 pm -
1 stop28h 25m
Deal found 10/25![Frontier logo]()
$204
This CheapOair deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop12h 54m
Tue 11/178:19 pm -
1 stop28h 02m
Deal found 10/26![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
1 stop12h 29m
Wed 12/28:29 pm -
1 stop28h 24m
Deal found 10/25![Frontier logo]()
$218
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:45 am -
1 stop11h 49m
Thu 12/248:29 pm -
1 stop27h 57m
Deal found 10/29![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:30 am -
Nonstop1h 55m
Thu 12/35:30 am -
Nonstop1h 45m
Deal found 10/29![Southwest logo]()
$243
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:00 pm -
Nonstop2h 13m
Wed 12/26:00 pm -
Nonstop2h 21m
Deal found 10/28![American Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:05 am -
1 stop4h 10m
Mon 12/75:30 am -
Nonstop1h 45m
Deal found 10/28![Southwest logo]()
$249
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:45 pm -
Nonstop2h 00m
Mon 11/234:05 pm -
1 stop4h 45m
Deal found 10/26![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:50 pm -
Nonstop2h 15m
Tue 12/13:30 pm -
Nonstop1h 55m
Deal found 10/28![Southwest logo]()
$259
Best flights from Illinois to OklahomaDiscover carefully curated flight deals from Illinois to Oklahoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Illinois to Oklahoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:05 am -
1 stop4h 10m
Mon 12/75:30 am -
Nonstop1h 45m
Deal found 10/28![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop6h 13m
Wed 12/210:12 am -
1 stop6h 04m
Deal found 10/27![Delta logo]()
$263
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:10 am -
1 stop4h 47m
Tue 1/1211:04 am -
1 stop6h 05m
Deal found 10/25![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:35 pm -
Nonstop2h 20m
Sat 12/2610:19 am -
Nonstop2h 10m
Deal found 10/27![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:20 pm -
2 stops7h 30m
Thu 12/175:00 am -
Nonstop1h 45m
Deal found 10/26![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:30 am -
1 stop6h 43m
Wed 12/26:00 am -
2 stops10h 17m
Deal found 10/28![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:15 am -
Nonstop2h 10m
Wed 11/183:45 pm -
Nonstop2h 00m
Deal found 10/28![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:41 pm -
2 stops9h 14m
Mon 12/76:58 pm -
1 stop4h 58m
Deal found 10/28![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:40 pm -
Nonstop2h 15m
Thu 12/35:20 am -
Nonstop2h 00m
Deal found 10/28![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:34 pm -
1 stop6h 58m
Tue 12/157:27 am -
1 stop7h 26m
Deal found 10/26![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:45 pm -
Nonstop2h 11m
Thu 12/310:15 am -
Nonstop2h 10m
Deal found 10/29![United Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:13 pm -
1 stop6h 45m
Mon 11/167:08 pm -
1 stop4h 12m
Deal found 10/28![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:25 pm -
1 stop5h 25m
Wed 12/1610:55 am -
2 stops6h 10m
Deal found 10/29![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm -
Nonstop2h 29m
Sat 11/287:00 am -
Nonstop2h 18m
Deal found 10/27![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:33 am -
1 stop6h 45m
Wed 11/187:08 pm -
1 stop4h 12m
Deal found 10/29![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:35 pm -
2 stops8h 55m
Tue 11/245:33 pm -
1 stop5h 40m
Deal found 10/25![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop6h 44m
Wed 12/26:00 am -
1 stop6h 04m
Deal found 10/26![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm -
Nonstop2h 05m
Sun 11/225:00 am -
Nonstop1h 45m
Deal found 10/29![Southwest logo]()
$290
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:20 am -
2 stops9h 17m
Sat 11/147:08 pm -
1 stop4h 40m
Deal found 10/26![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:51 am -
1 stop6h 07m
Fri 11/206:00 am -
1 stop6h 20m
Deal found 10/29![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:30 pm -
Nonstop2h 40m
Tue 12/17:00 am -
Nonstop2h 18m
Deal found 10/28![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:45 pm -
2 stops6h 15m
Wed 12/29:45 am -
2 stops7h 20m
Deal found 10/29![Southwest logo]()
$300
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:02 am -
1 stop6h 33m
Sun 11/225:06 pm -
2 stops7h 01m
Deal found 10/28![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:44 pm -
2 stops9h 13m
Wed 12/26:00 am -
2 stops10h 17m
Deal found 10/26![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:50 pm -
Nonstop2h 45m
Sat 12/266:45 am -
Nonstop2h 25m
Deal found 10/30![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:30 pm -
1 stop6h 40m
Thu 12/1010:55 am -
2 stops6h 10m
Deal found 10/29![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:40 pm -
Nonstop2h 40m
Mon 11/305:10 pm -
1 stop6h 16m
Deal found 10/28![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:05 am -
Nonstop2h 15m
Mon 12/215:15 am -
Nonstop1h 55m
Deal found 10/26![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/294:29 pm -
1 stop7h 33m
Mon 1/44:14 pm -
1 stop6h 12m
Deal found 10/25![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:10 am -
1 stop5h 48m
Sat 1/97:28 pm -
1 stop4h 47m
Deal found 10/29![American Airlines logo]()
$443
Last-minute flights from Illinois to OklahomaDiscover last-minute flight deals from Illinois to Oklahoma. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Oklahoma. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop12h 54m
Mon 11/168:19 pm -
1 stop28h 02m
Deal found 10/25![Frontier logo]()
$184
This CheapOair deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop12h 54m
Tue 11/178:19 pm -
1 stop28h 02m
Deal found 10/26![Frontier logo]()
$209
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 am -
1 stop12h 54m
Thu 11/196:44 pm -
1 stop10h 29m
Deal found 10/26![Frontier logo]()
$243
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:25 pm -
Nonstop2h 29m
Thu 11/1910:09 am -
Nonstop2h 20m
Deal found 10/26![United Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:00 pm -
Nonstop2h 13m
Wed 12/26:00 pm -
Nonstop2h 21m
Deal found 10/28![American Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:50 pm -
Nonstop2h 15m
Tue 12/13:30 pm -
Nonstop1h 55m
Deal found 10/28![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop6h 13m
Wed 12/210:12 am -
1 stop6h 04m
Deal found 10/28![Delta logo]()
$263
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:59 am -
2 stops10h 25m
Tue 12/18:29 pm -
2 stops15h 15m
Deal found 10/28![Frontier logo]()
$265
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:45 pm -
Nonstop2h 00m
Mon 11/234:05 pm -
1 stop4h 45m
Deal found 10/26![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:29 pm -
Nonstop2h 06m
Fri 11/277:00 am -
Nonstop2h 05m
Deal found 10/27![United Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:30 am -
Nonstop1h 55m
Thu 12/35:30 am -
Nonstop1h 45m
Deal found 10/29![Southwest logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:17 pm -
2 stops29h 12m
Thu 12/38:29 pm -
1 stop28h 24m
Deal found 10/28![Frontier logo]()
$256
One-way flights from Illinois to OklahomaSearch for one-way flight options from Illinois to Oklahoma. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Illinois to Oklahoma. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:25 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$76
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:25 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:25 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$82
This WAYA deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:25 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:25 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$86
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
1 stop12h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:45 am -
1 stop11h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:40 am -
2 stops8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$111
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:58 am -
2 stops13h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$122
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:29 pm -
Nonstop2h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$122
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:50 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$130
Find flight deals from Illinois to Oklahoma
Keep the following information in mind while searching for Illinois to Oklahoma flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Trip.com) |
One-way from | $76 (CheapOair) |
Popular in | August |
Cheapest in | January |
Average price | $408 |
Good round-trip deal | $364 or less |
Good one-way deal | $172 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
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
Cheapest round-trip
ChicagoOklahoma City
ORD Chicago O'Hare Intl - OKC Oklahoma City Will Rogers World
ORDOKC
Chicago O'Hare Intl
Wed 11/11
6:30 am-7:24 pm
1 stop12h 54m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$92
Quickest round-trip
ChicagoTulsa
MDW Chicago Midway - TUL Tulsa
MDWTUL
Chicago Midway
Thu 11/26
3:50 pm-5:45 pm
Nonstop1h 55m
Tulsa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
ChicagoTulsa
MDW Chicago Midway - TUL Tulsa
MDWTUL
Chicago Midway
Sat 11/21
9:25 pm-11:30 pm
Nonstop2h 05m
Tulsa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
ChicagoOklahoma City
ORD Chicago O'Hare Intl - OKC Oklahoma City Will Rogers World
ORDOKC
Chicago O'Hare Intl
Wed 12/9
3:50 pm-6:30 pm
Nonstop2h 40m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoOklahoma City
ORD Chicago O'Hare Intl - OKC Oklahoma City Will Rogers World
ORDOKC
Chicago O'Hare Intl
Wed 11/25
9:25 pm-11:54 pm
Nonstop2h 29m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoOklahoma City
MDW Chicago Midway - OKC Oklahoma City Will Rogers World
MDWOKC
Chicago Midway
Mon 12/14
8:50 pm-11:05 pm
Nonstop2h 15m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoOklahoma City
MDW Chicago Midway - OKC Oklahoma City Will Rogers World
MDWOKC
Chicago Midway
Thu 12/17
10:20 am-12:35 pm
Nonstop2h 15m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoOklahoma City
MDW Chicago Midway - OKC Oklahoma City Will Rogers World
MDWOKC
Chicago Midway
Mon 12/7
8:50 pm-11:05 pm
Nonstop2h 15m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoOklahoma City
MDW Chicago Midway - OKC Oklahoma City Will Rogers World
MDWOKC
Chicago Midway
Wed 12/16
8:50 pm-11:05 pm
Nonstop2h 15m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
ChicagoTulsa
ORD Chicago O'Hare Intl - TUL Tulsa
ORDTUL
Chicago O'Hare Intl
Sat 11/21
5:09 pm-11:58 pm
1 stop6h 49m
Tulsa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Oklahoma
Have a flexible travel schedule? Discover the best time to fly to Oklahoma from Illinois with our price prediction graph.
ORD-OKC
MDW-TUL
ORD-TUL
MDW-OKC
BMI-OKC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Oklahoma
USIL-USOK
ORD-OKC
MDW-TUL
ORD-TUL
MDW-OKC
What is the cheapest month to book a flight from Illinois to Oklahoma?
Currently, January is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $345). Flying from Illinois to Oklahoma in August is currently the most expensive (average of $483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to OK?
Find hourly flight availability from Illinois to Oklahoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
One of the essential ways to save on airfare from Illinois to Oklahoma is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.
How much does it cost to fly round-trip from Illinois to Oklahoma?
Airfare is below average for this route at the moment.
Illinois to Oklahoma flights typically cost between $331 and $484 in December.The cheapest round-trip price found within the last 5 days was $177 on Frontier (Dec 15-Dec 16).
How far ahead should I book a flight from Illinois to Oklahoma?
The best time to book flights from Illinois to Oklahoma is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Illinois to Oklahoma?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Oklahoma. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Illinois to Oklahoma flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Oklahoma
Get insights into the airlines that provide service to Oklahoma. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oklahoma. Reviews last updated October 30, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Illinois to Oklahoma to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.4
Overall
7.9
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.4
Overall
7.9
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.4
Overall
7.9
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.4
Overall
7.9
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.4
Overall
7.9
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Illinois to Oklahoma. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Oklahoma
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oklahoma by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Oklahoma by cabin class
Find flights from Illinois to Oklahoma, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Oklahoma flights
Browse other Illinois and Oklahoma flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Oklahoma
Find the right flight back to Illinois after your stay in Oklahoma
Illinois to Oklahoma flights
Consider these flights traveling from Illinois to Oklahoma.
Top 4 airlines flying from Illinois to Oklahoma
Discover the top 4 airlines that operate flights from Illinois to Oklahoma. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$201 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$247 | Average$407 | FlexibilityNo cancel fee | On-time63% |