$39+ Cheap flights from Illinois to Oklahoma
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKC
May 17 — May 241
Round-trip
1 adult, Economy
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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 April 17, 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 April 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:00 am
ORD
- DFW
Nonstop2h 32m
Spirit Airlines
Tue 6/212:38 pm
DFW
- ORD
Nonstop2h 25m
Spirit Airlines
Deal found 4/13![Spirit Airlines logo]()
$104
This Frontier deal was found by Cheapflights users on 4/13. 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.
Sat 5/2311:57 am
ORD
- DFW
Nonstop2h 54m
Frontier
Tue 6/28:55 am
DFW
- ORD
Nonstop2h 45m
Frontier
Deal found 4/13![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/210:23 am
ORD
- DFW
Nonstop2h 56m
Frontier
Sun 5/171:36 pm
DFW
- ORD
Nonstop2h 40m
Frontier
Deal found 4/13![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/164:15 pm
MDW
- DFW
Nonstop2h 54m
Frontier
Mon 4/208:03 pm
DFW
- MDW
Nonstop2h 18m
Frontier
Deal found 4/13![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:22 am
ORD
- DFW
Nonstop2h 47m
Frontier
Tue 6/168:56 am
DFW
- ORD
Nonstop2h 40m
Frontier
Deal found 4/14![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 4/16. 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.
Fri 5/153:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Tue 5/1911:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/16![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:34 pm
ORD
- DFW
Nonstop2h 33m
Spirit Airlines
Sat 8/19:39 am
DFW
- ORD
Nonstop2h 30m
Spirit Airlines
Deal found 4/14![Spirit Airlines logo]()
$108
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Tue 6/211:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/16![Frontier logo]()
$108
This CheapOair deal was found by Cheapflights users on 4/16. 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 5/29:44 pm
ORD
- DFW
Nonstop2h 37m
Multiple Airlines
Tue 5/58:55 am
DFW
- ORD
Nonstop2h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$109
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:52 pm
MDW
- DFW
1 stop14h 58m
Frontier
Tue 5/1911:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/14![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:20 am
ORD
- DFW
Nonstop3h 01m
Frontier
Wed 5/271:00 pm
DFW
- ORD
Nonstop2h 40m
Frontier
Deal found 4/14![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/15. 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.
Sat 5/1611:59 am
MDW
- DFW
1 stop10h 43m
Frontier
Thu 5/2111:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/15![Frontier logo]()
$110
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/15. 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 5/79:25 am
ORD
- DFW
1 stop4h 50m
Delta
Mon 5/112:00 pm
DFW
- ORD
1 stop6h 26m
Delta
Deal found 4/15![Delta logo]()
$167
This Frontier deal was found by Cheapflights users on 4/17. 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.
Thu 5/79:37 pm
ORD
- DFW
1 stop10h 30m
Frontier
Tue 5/1211:18 am
DFW
- ORD
1 stop9h 14m
Frontier
Deal found 4/17![Frontier logo]()
$181
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/118:05 pm
ORD
- TUL
Nonstop2h 20m
United Airlines
Thu 5/146:30 pm
TUL
- ORD
Nonstop2h 08m
United Airlines
Deal found 4/13![United Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 4/15. 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 6/49:25 am
ORD
- DFW
1 stop4h 50m
Delta
Mon 6/84:51 pm
DFW
- ORD
1 stop5h 22m
Delta
Deal found 4/15![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 4/13. 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 5/118:00 am
ORD
- TUL
1 stop7h 15m
Southwest
Mon 5/181:00 pm
TUL
- ORD
2 stops10h 55m
Southwest
Deal found 4/13![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 6/69:25 am
ORD
- DFW
1 stop4h 50m
Delta
Sun 6/1411:17 am
DFW
- ORD
1 stop5h 09m
Delta
Deal found 4/15![Delta logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Fri 5/17:01 pm
STL
- DFW
Nonstop2h 05m
Multiple Airlines
Sun 5/38:59 pm
DFW
- STL
3 stops21h 37m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 4/12. 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.
Sun 5/35:20 am
STL
- DFW
Nonstop2h 04m
American Airlines
Wed 5/67:09 am
DFW
- STL
1 stop4h 38m
American Airlines
Deal found 4/12![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 6/56:06 pm
ORD
- DFW
1 stop6h 29m
Delta
Wed 6/105:19 am
DFW
- ORD
1 stop5h 26m
Delta
Deal found 4/15![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 5/226:36 pm
MDW
- DFW
1 stop4h 35m
Delta
Sun 5/247:00 am
DFW
- MDW
1 stop6h 19m
Delta
Deal found 4/15![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 5/156:36 pm
MDW
- DFW
1 stop4h 35m
Delta
Sat 5/165:20 am
DFW
- MDW
1 stop7h 22m
Delta
Deal found 4/16![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/166:23 am
MDW
- DFW
1 stop7h 34m
Delta
Sun 5/175:20 am
DFW
- MDW
1 stop7h 22m
Delta
Deal found 4/15![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 4/16. 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 6/49:16 pm
ORD
- XNA
Nonstop2h 01m
United Airlines
Sun 6/75:52 am
XNA
- ORD
Nonstop2h 08m
United Airlines
Deal found 4/16![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 5/297:07 am
ORD
- TUL
1 stop5h 00m
Delta
Sat 5/304:28 pm
TUL
- ORD
1 stop7h 35m
Delta
Deal found 4/15![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/67:46 pm
ORD
- XNA
Nonstop2h 13m
United Airlines
Sun 6/77:20 am
XNA
- ORD
Nonstop2h 08m
United Airlines
Deal found 4/13![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/14. 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 5/46:15 am
ORD
- TUL
1 stop9h 00m
Southwest
Sat 5/95:25 am
TUL
- ORD
2 stops10h 05m
Southwest
Deal found 4/14![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 5/87:52 pm
ORD
- XNA
Nonstop2h 12m
United Airlines
Sat 5/93:03 pm
XNA
- ORD
Nonstop1h 57m
United Airlines
Deal found 4/14![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 4/13. 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 5/69:05 pm
MDW
- OKC
Nonstop2h 10m
Southwest
Fri 5/82:00 pm
OKC
- MDW
1 stop8h 20m
Southwest
Deal found 4/13![Southwest logo]()
$348
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:03 am
STL
- DFW
Nonstop2h 10m
American Airlines
Fri 6/265:50 pm
DFW
- STL
Nonstop1h 46m
American Airlines
Deal found 4/17![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/268:27 pm
ORD
- TUL
Nonstop2h 08m
United Airlines
Wed 5/276:30 pm
TUL
- ORD
Nonstop2h 10m
United Airlines
Deal found 4/17![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/305:30 am
ORD
- TUL
1 stop4h 56m
Delta
Sat 5/304:28 pm
TUL
- ORD
1 stop7h 35m
Delta
Deal found 4/15![Delta logo]()
$206
This Southwest deal was found by Cheapflights users on 4/13. 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 5/64:00 pm
MDW
- OKC
1 stop5h 55m
Southwest
Sat 5/96:00 am
OKC
- MDW
2 stops6h 10m
Southwest
Deal found 4/13![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 4/13. 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 7/18:20 pm
ORD
- TUL
Nonstop2h 08m
United Airlines
Mon 7/67:15 am
TUL
- ORD
Nonstop2h 02m
United Airlines
Deal found 4/13![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 5/225:19 pm
ORD
- DFW
1 stop5h 52m
Delta
Sun 5/245:20 am
DFW
- ORD
1 stop5h 09m
Delta
Deal found 4/16![Delta logo]()
$216
This Southwest deal was found by Cheapflights users on 4/14. 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 6/39:05 pm
MDW
- OKC
Nonstop2h 10m
Southwest
Thu 6/43:50 pm
OKC
- MDW
Nonstop1h 50m
Southwest
Deal found 4/14![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 4/12. 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 10/34:33 pm
BMI
- DFW
Nonstop2h 18m
American Airlines
Tue 10/61:30 pm
DFW
- BMI
Nonstop2h 04m
American Airlines
Deal found 4/12![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/138:00 pm
ORD
- DFW
Nonstop2h 53m
United Airlines
Wed 5/207:28 pm
DFW
- ORD
1 stop5h 59m
United Airlines
Deal found 4/13![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sun 5/179:40 pm
MDW
- OKC
Nonstop2h 10m
Southwest
Tue 5/193:15 pm
OKC
- MDW
Nonstop1h 50m
Southwest
Deal found 4/17![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/2710:30 am
ORD
- DFW
Nonstop2h 43m
United Airlines
Thu 5/287:00 am
DFW
- ORD
Nonstop2h 42m
United Airlines
Deal found 4/17![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 4/15. 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 4/305:15 am
ORD
- TUL
1 stop5h 00m
Delta
Tue 5/51:55 pm
TUL
- ORD
1 stop6h 21m
Delta
Deal found 4/15![Delta logo]()
$245
Last-minute flights from Illinois to OklahomaDiscover last-minute flight deals from Illinois to Oklahoma. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Oklahoma. Data last updated April 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/164:15 pm
MDW
- DFW
Nonstop2h 54m
Frontier
Mon 4/208:03 pm
DFW
- MDW
Nonstop2h 18m
Frontier
Deal found 4/13![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/210:23 am
ORD
- DFW
Nonstop2h 56m
Frontier
Sun 5/171:36 pm
DFW
- ORD
Nonstop2h 40m
Frontier
Deal found 4/13![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 4/16. 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 5/29:44 pm
ORD
- DFW
Nonstop2h 37m
Multiple Airlines
Tue 5/58:55 am
DFW
- ORD
Nonstop2h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/76:15 am
ORD
- DFW
Nonstop2h 28m
Spirit Airlines
Wed 5/1312:38 pm
DFW
- ORD
Nonstop2h 25m
Spirit Airlines
Deal found 4/15![Spirit Airlines logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:00 am
ORD
- DFW
Nonstop2h 32m
Spirit Airlines
Sun 5/179:38 am
DFW
- ORD
Nonstop2h 26m
Spirit Airlines
Deal found 4/16![Spirit Airlines logo]()
$107
This Frontier deal was found by Cheapflights users on 4/16. 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.
Fri 5/153:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Tue 5/1911:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/16![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 4/15. 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.
Sat 5/1611:59 am
MDW
- DFW
1 stop10h 43m
Frontier
Thu 5/2111:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/15![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:52 pm
MDW
- DFW
1 stop14h 58m
Frontier
Tue 5/1911:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/14![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:00 am
ORD
- DFW
Nonstop2h 32m
Spirit Airlines
Tue 6/212:38 pm
DFW
- ORD
Nonstop2h 25m
Spirit Airlines
Deal found 4/13![Spirit Airlines logo]()
$104
This Frontier deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:20 am
ORD
- DFW
Nonstop3h 01m
Frontier
Wed 5/271:00 pm
DFW
- ORD
Nonstop2h 40m
Frontier
Deal found 4/14![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/13. 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.
Sat 5/2311:57 am
ORD
- DFW
Nonstop2h 54m
Frontier
Tue 6/28:55 am
DFW
- ORD
Nonstop2h 45m
Frontier
Deal found 4/13![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Tue 6/211:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 4/16![Frontier logo]()
$108
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 April 17, 2026.
Search for one-way flight options from Illinois to Oklahoma. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Fri 6/127:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 4/12![Frontier logo]()
$39
This Frontier deal was found by Cheapflights users on 4/12. 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.
Wed 6/107:04 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 4/12![Frontier logo]()
$40
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/143:33 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 4/14![Frontier logo]()
$43
This Trip.com deal was found by Cheapflights users on 4/17. 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.
Thu 5/73:33 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 4/17![Frontier logo]()
$47
This Super.com deal was found by Cheapflights users on 4/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Deal found 4/13![Frontier logo]()
$47
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
ORD
- DFW
Nonstop2h 32m
Spirit Airlines
Deal found 4/14![Spirit Airlines logo]()
$48
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Deal found 4/14![Frontier logo]()
$48
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:15 am
ORD
- DFW
Nonstop2h 28m
Spirit Airlines
Deal found 4/14![Spirit Airlines logo]()
$49
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Fri 5/19:44 pm
ORD
- DFW
Nonstop2h 37m
Spirit Airlines
Deal found 4/16![Spirit Airlines logo]()
$50
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
ORD
- DFW
Nonstop2h 32m
Spirit Airlines
Deal found 4/14![Spirit Airlines logo]()
$51
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Thu 5/73:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Deal found 4/16![Frontier logo]()
$51
This Trip.com deal was found by Cheapflights users on 4/17. 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 5/53:07 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Deal found 4/17![Frontier logo]()
$52
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Kiwi.com) |
One-way from | $39 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $370 |
Good round-trip deal | $277 or less |
Good one-way deal | $146 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 2,558,603 searches. Data last updated April 17, 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
ChicagoDallas
ORD - DFW
ORDDFW
Chicago O'Hare Intl
Thu 5/7
9:25 am-2:15 pm
1 stop4h 50m
Dallas/Fort Worth
Mon 5/11
2:00 pm-8:26 pm
1 stop6h 26m
$167
ChicagoDallas
ORD - DFW
ORDDFW
Chicago O'Hare Intl
Thu 6/4
9:25 am-2:15 pm
1 stop4h 50m
Dallas/Fort Worth
Mon 6/8
4:51 pm-10:13 pm
1 stop5h 22m
$167
ChicagoDallas
ORD - DFW
ORDDFW
Chicago O'Hare Intl
Sat 6/6
9:25 am-2:15 pm
1 stop4h 50m
Dallas/Fort Worth
Sun 6/14
11:17 am-4:26 pm
1 stop5h 09m
$167
ChicagoDallas
ORD - DFW
ORDDFW
Chicago O'Hare Intl
Fri 6/5
6:06 pm-12:35 am
1 stop6h 29m
Dallas/Fort Worth
Wed 6/10
5:19 am-10:45 am
1 stop5h 26m
$167
ChicagoDallas
MDW - DFW
MDWDFW
Chicago Midway
Fri 5/22
6:36 pm-11:11 pm
1 stop4h 35m
Dallas/Fort Worth
Sun 5/24
7:00 am-1:19 pm
1 stop6h 19m
$167
ChicagoDallas
MDW - DFW
MDWDFW
Chicago Midway
Fri 5/15
6:36 pm-11:11 pm
1 stop4h 35m
Dallas/Fort Worth
Sat 5/16
5:20 am-12:42 pm
1 stop7h 22m
$167
ChicagoDallas
MDW - DFW
MDWDFW
Chicago Midway
Sat 5/16
6:23 am-1:57 pm
1 stop7h 34m
Dallas/Fort Worth
Sun 5/17
5:20 am-12:42 pm
1 stop7h 22m
$167
ChicagoTulsa
ORD - TUL
ORDTUL
Chicago O'Hare Intl
Fri 5/29
7:07 am-12:07 pm
1 stop5h 00m
Tulsa
Sat 5/30
4:28 pm-12:03 am
1 stop7h 35m
$167
ChicagoDallas
ORD - DFW
ORDDFW
Chicago O'Hare Intl
Thu 5/7
9:37 pm-8:07 am
1 stop10h 30m
Dallas/Fort Worth
Tue 5/12
11:18 am-8:32 pm
1 stop9h 14m
$181
ChicagoTulsa
ORD - TUL
ORDTUL
Chicago O'Hare Intl
Sat 5/30
5:30 am-10:26 am
1 stop4h 56m
Tulsa
Sat 5/30
4:28 pm-12:03 am
1 stop7h 35m
$206
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-DFW
MDW-DFW
ORD-TUL
STL-DFW
ORD-XNA
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-DFW
MDW-DFW
ORD-TUL
STL-DFW
What is the cheapest month to book a flight from Illinois to Oklahoma?
Currently, October is the cheapest month in which you can book a flight from Illinois to Oklahoma (average of $68). Flying from Illinois to Oklahoma in March is currently the most expensive (average of $248). 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 April 17, 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 26% on airfare.
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 April 11, 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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Illinois to Oklahoma
Explore weekly flight availability from Illinois to Oklahoma. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2026.
The most flights from USIL to USOK are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from Illinois to Oklahoma?
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 April 17, 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.
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 April 17, 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 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$355 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$160 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$372 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$243 | Average$418 | FlexibilityNo cancel fee | On-time71% |