$81+ Cheap flights from Illinois to Raleigh (RDU)
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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Illinois to RaleighExplore the most affordable flight options available from Illinois to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
Explore the most affordable flight options available from Illinois to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/166:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Sun 7/196:15 am
RDU
- STL
1 stop12h 22m
Frontier
Deal found 6/22![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/66:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Sun 8/96:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/24![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sun 7/196:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Tue 7/216:15 am
RDU
- STL
1 stop12h 22m
Frontier
Deal found 6/25![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/116:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Thu 8/136:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/22![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Mon 7/274:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Thu 8/66:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/25![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/314:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Sun 8/26:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/25![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:35 am
STL
- RDU
1 stop12h 42m
Frontier
Sun 10/44:20 pm
RDU
- STL
1 stop18h 20m
Frontier
Deal found 6/26![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 7/84:57 pm
STL
- RDU
1 stop14h 04m
Frontier
Fri 7/1712:04 pm
RDU
- STL
1 stop21h 53m
Frontier
Deal found 6/25![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:35 am
STL
- RDU
1 stop12h 42m
Frontier
Sat 10/34:20 pm
RDU
- STL
1 stop18h 20m
Frontier
Deal found 6/26![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/174:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Sat 7/252:31 pm
RDU
- STL
1 stop10h 28m
Frontier
Deal found 6/25![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Sun 8/26:15 am
RDU
- STL
1 stop27h 42m
Frontier
Deal found 6/26![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/244:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Wed 7/295:29 pm
RDU
- STL
1 stop7h 30m
Frontier
Deal found 6/23![Frontier logo]()
$191
Best flights from Illinois to RaleighDiscover carefully curated flight deals from Illinois to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from Illinois to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This Southwest deal was found by Cheapflights users on 6/24. 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 8/42:40 pm
MDW
- RDU
Nonstop1h 55m
Southwest
Tue 8/111:45 pm
RDU
- MDW
1 stop6h 00m
Southwest
Deal found 6/24![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 6/25. 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.
Wed 7/226:35 am
ORD
- RDU
1 stop5h 07m
Delta
Tue 7/287:59 pm
RDU
- ORD
1 stop4h 54m
Delta
Deal found 6/25![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/25. 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 11/142:35 pm
MLI
- RDU
2 stops8h 11m
United Airlines
Tue 11/1710:02 am
RDU
- MLI
1 stop4h 56m
United Airlines
Deal found 6/25![United Airlines logo]()
$266
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 8/216:00 am
MLI
- RDU
2 stops8h 26m
American Airlines
Tue 9/295:44 pm
RDU
- MLI
1 stop4h 25m
American Airlines
Deal found 6/23![American Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/510:59 am
PIA
- RDU
2 stops19h 30m
Multiple Airlines
Sun 8/98:06 pm
RDU
- PIA
1 stop13h 08m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 6/22. 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 8/87:40 am
MDW
- RDU
Nonstop1h 55m
Southwest
Mon 8/106:45 pm
RDU
- MDW
Nonstop1h 55m
Southwest
Deal found 6/22![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 6/25. 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 7/215:30 am
ORD
- RDU
1 stop5h 05m
Delta
Sat 7/257:00 pm
RDU
- ORD
1 stop5h 53m
Delta
Deal found 6/25![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/19:10 am
ORD
- RDU
Nonstop2h 23m
United Airlines
Sat 7/45:12 pm
RDU
- ORD
Nonstop2h 30m
United Airlines
Deal found 6/23![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 6/25. 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 7/215:18 pm
ORD
- RDU
1 stop5h 07m
Delta
Sat 8/15:17 pm
RDU
- ORD
1 stop7h 36m
Delta
Deal found 6/25![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/21. 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 7/2110:10 am
MDW
- RDU
2 stops6h 20m
Southwest
Wed 8/127:25 pm
RDU
- MDW
1 stop3h 55m
Southwest
Deal found 6/21![Southwest logo]()
$262
This American Airlines deal was found by Cheapflights users on 6/21. 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 11/116:09 am
MLI
- RDU
2 stops7h 03m
American Airlines
Sun 11/156:00 am
RDU
- MLI
1 stop5h 53m
American Airlines
Deal found 6/21![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/176:15 am
PIA
- RDU
2 stops6h 50m
United Airlines
Wed 10/216:05 am
RDU
- PIA
1 stop5h 01m
United Airlines
Deal found 6/26![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 6/24. 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 8/56:00 am
MLI
- RDU
1 stop5h 45m
Delta
Sat 8/84:55 pm
RDU
- MLI
1 stop6h 24m
Delta
Deal found 6/24![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/23. 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 9/37:55 am
MDW
- RDU
1 stop4h 05m
Southwest
Sat 9/197:30 am
RDU
- MDW
Nonstop1h 50m
Southwest
Deal found 6/23![Southwest logo]()
$263
This American Airlines deal was found by Cheapflights users on 6/22. 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 8/256:00 am
MLI
- RDU
2 stops8h 26m
American Airlines
Sun 8/3010:50 am
RDU
- MLI
1 stop6h 06m
American Airlines
Deal found 6/22![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/236:55 am
ORD
- RDU
Nonstop2h 13m
United Airlines
Wed 7/298:05 am
RDU
- ORD
Nonstop2h 26m
United Airlines
Deal found 6/21![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/25. 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.
Sat 11/1411:00 am
MLI
- RDU
1 stop5h 00m
Delta
Tue 11/176:30 pm
RDU
- MLI
1 stop5h 00m
Delta
Deal found 6/25![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:20 am
MDW
- RDU
1 stop3h 50m
Southwest
Wed 8/126:00 am
RDU
- MDW
2 stops6h 50m
Southwest
Deal found 6/25![Southwest logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/254:29 pm
EVV
- RDU
2 stops30h 35m
Multiple Airlines
Fri 7/318:29 pm
RDU
- EVV
1 stop20h 20m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/21. 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 9/225:02 am
BMI
- RDU
1 stop6h 07m
American Airlines
Sun 9/277:47 pm
RDU
- BMI
1 stop5h 16m
American Airlines
Deal found 6/21![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/21. 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 9/910:50 am
ORD
- RDU
Nonstop2h 17m
United Airlines
Sun 9/138:00 am
RDU
- ORD
Nonstop2h 24m
United Airlines
Deal found 6/21![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 6/26. 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 11/910:15 am
STL
- RDU
Nonstop1h 50m
Southwest
Sat 11/1412:55 pm
RDU
- STL
Nonstop2h 10m
Southwest
Deal found 6/26![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 6/25. 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.
Wed 11/115:55 am
MLI
- RDU
1 stop5h 54m
Delta
Sun 11/155:20 am
RDU
- MLI
1 stop6h 06m
Delta
Deal found 6/25![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/26. 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 8/255:00 am
BMI
- RDU
1 stop6h 48m
American Airlines
Mon 8/316:41 pm
RDU
- BMI
2 stops6h 18m
American Airlines
Deal found 6/26![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/216:25 pm
ORD
- RDU
Nonstop2h 12m
United Airlines
Sun 7/268:05 am
RDU
- ORD
Nonstop2h 26m
United Airlines
Deal found 6/23![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 6/26. 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.
Tue 9/291:40 pm
STL
- RDU
1 stop6h 20m
Southwest
Tue 10/66:00 am
RDU
- STL
Nonstop2h 05m
Southwest
Deal found 6/26![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 6/23. 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 8/215:09 pm
MLI
- RDU
1 stop6h 33m
Delta
Tue 9/296:20 am
RDU
- MLI
1 stop5h 03m
Delta
Deal found 6/23![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/229:10 am
ORD
- RDU
Nonstop2h 23m
United Airlines
Sun 7/268:05 am
RDU
- ORD
Nonstop2h 26m
United Airlines
Deal found 6/23![United Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 7/116:08 am
MLI
- RDU
1 stop4h 30m
American Airlines
Mon 7/134:15 pm
RDU
- MLI
1 stop6h 45m
American Airlines
Deal found 6/25![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 6/24. 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 8/227:40 am
MDW
- RDU
Nonstop1h 55m
Southwest
Sun 8/238:30 am
RDU
- MDW
Nonstop1h 50m
Southwest
Deal found 6/24![Southwest logo]()
$287
Last-minute flights from Illinois to RaleighDiscover last-minute flight deals from Illinois to Raleigh. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Raleigh. Data last updated June 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 7/84:57 pm
STL
- RDU
1 stop14h 04m
Frontier
Fri 7/1712:04 pm
RDU
- STL
1 stop21h 53m
Frontier
Deal found 6/25![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/146:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Thu 7/236:15 am
RDU
- STL
1 stop12h 22m
Frontier
Deal found 6/24![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/166:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Sun 7/196:15 am
RDU
- STL
1 stop12h 22m
Frontier
Deal found 6/22![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/174:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Sat 7/252:31 pm
RDU
- STL
1 stop10h 28m
Frontier
Deal found 6/25![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sun 7/196:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Tue 7/216:15 am
RDU
- STL
1 stop12h 22m
Frontier
Deal found 6/25![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/244:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Wed 7/295:29 pm
RDU
- STL
1 stop7h 30m
Frontier
Deal found 6/23![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Sun 8/26:15 am
RDU
- STL
1 stop27h 42m
Frontier
Deal found 6/26![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Mon 7/274:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Thu 8/66:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/25![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Mon 7/274:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Wed 8/52:31 pm
RDU
- STL
1 stop10h 28m
Frontier
Deal found 6/25![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Thu 7/306:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Wed 8/55:49 pm
RDU
- STL
1 stop7h 10m
Frontier
Deal found 6/25![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:34 pm
STL
- RDU
1 stop12h 37m
Multiple Airlines
Fri 7/318:29 pm
RDU
- STL
1 stop28h 30m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/314:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Sun 8/26:14 pm
RDU
- STL
1 stop15h 43m
Frontier
Deal found 6/25![Frontier logo]()
$167
One-way flights from Illinois to RaleighSearch for one-way flight options from Illinois to Raleigh. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
Search for one-way flight options from Illinois to Raleigh. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Trip.com deal was found by Cheapflights users on 6/22. 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 7/204:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Deal found 6/22![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/244:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Deal found 6/25![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Thu 7/306:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Deal found 6/25![Frontier logo]()
$84
This WAYA deal was found by Cheapflights users on 6/22. 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.
Mon 7/134:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Deal found 6/22![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 7/224:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Deal found 6/24![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sun 7/266:34 pm
STL
- RDU
1 stop12h 37m
Frontier
Deal found 6/25![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/2410:35 am
STL
- RDU
1 stop12h 42m
Frontier
Deal found 6/24![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 6/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:57 pm
STL
- RDU
1 stop6h 06m
Frontier
Deal found 6/25![Frontier logo]()
$116
This Southwest deal was found by Cheapflights users on 6/22. 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 7/226:10 pm
MDW
- RDU
Nonstop2h 00m
Southwest
Deal found 6/22![Southwest logo]()
$119
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/229:10 am
ORD
- RDU
Nonstop2h 23m
United Airlines
Deal found 6/22![United Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 6/24. 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 9/127:25 am
MDW
- RDU
1 stop6h 42m
Frontier
Deal found 6/24![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Wed 7/84:57 pm
STL
- RDU
1 stop6h 07m
Frontier
Deal found 6/23![Frontier logo]()
$120
Find flight deals from Illinois to Raleigh
Keep the following information in mind while searching for Illinois to Raleigh flight deals. Data was last updated June 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $162 (Kiwi.com) |
One-way from | $81 (Trip.com) |
Popular in | January |
Cheapest in | October |
Average price | $326 |
Good round-trip deal | $322 or less |
Good one-way deal | $177 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Raleigh 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 June 26, 2026.
Use the filters below to find and compare flights from Illinois to Raleigh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoRaleigh
MDW - RDU
MDWRDU
Chicago Midway
Tue 8/4
2:40 pm-5:35 pm
Nonstop1h 55m
Raleigh-Durham
Tue 8/11
1:45 pm-6:45 pm
1 stop6h 00m
$247
ChicagoRaleigh
MDW - RDU
MDWRDU
Chicago Midway
Sat 8/8
7:40 am-10:35 am
Nonstop1h 55m
Raleigh-Durham
Mon 8/10
6:45 pm-7:40 pm
Nonstop1h 55m
$253
ChicagoRaleigh
ORD - RDU
ORDRDU
Chicago O'Hare Intl
Wed 7/22
6:35 am-12:42 pm
1 stop5h 07m
Raleigh-Durham
Tue 7/28
7:59 pm-11:53 pm
1 stop4h 54m
$257
ChicagoRaleigh
ORD - RDU
ORDRDU
Chicago O'Hare Intl
Tue 7/21
5:30 am-11:35 am
1 stop5h 05m
Raleigh-Durham
Sat 7/25
7:00 pm-11:53 pm
1 stop5h 53m
$257
ChicagoRaleigh
ORD - RDU
ORDRDU
Chicago O'Hare Intl
Tue 7/21
5:18 pm-11:25 pm
1 stop5h 07m
Raleigh-Durham
Sat 8/1
5:17 pm-11:53 pm
1 stop7h 36m
$257
MolineRaleigh
MLI - RDU
MLIRDU
Moline Quad-City
Wed 8/5
6:00 am-12:45 pm
1 stop5h 45m
Raleigh-Durham
Sat 8/8
4:55 pm-10:19 pm
1 stop6h 24m
$261
MolineRaleigh
MLI - RDU
MLIRDU
Moline Quad-City
Sat 11/14
11:00 am-5:00 pm
1 stop5h 00m
Raleigh-Durham
Tue 11/17
6:30 pm-10:30 pm
1 stop5h 00m
$261
ChicagoRaleigh
MDW - RDU
MDWRDU
Chicago Midway
Tue 7/21
10:10 am-5:30 pm
2 stops6h 20m
Raleigh-Durham
Wed 8/12
7:25 pm-10:20 pm
1 stop3h 55m
$262
ChicagoRaleigh
MDW - RDU
MDWRDU
Chicago Midway
Thu 9/3
7:55 am-1:00 pm
1 stop4h 05m
Raleigh-Durham
Sat 9/19
7:30 am-8:20 am
Nonstop1h 50m
$263
MolineRaleigh
MLI - RDU
MLIRDU
Moline Quad-City
Sat 11/14
2:35 pm-11:46 pm
2 stops8h 11m
Raleigh-Durham
Tue 11/17
10:02 am-1:58 pm
1 stop4h 56m
$266
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Raleigh
Have a flexible travel schedule? Discover the best time to fly to Raleigh from Illinois with our price prediction graph.
STL-RDU
ORD-RDU
MDW-RDU
EVV-RDU
PIA-RDU
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 Raleigh
USIL-RDU
STL-RDU
ORD-RDU
MDW-RDU
EVV-RDU
What is the cheapest month to book a flight from Illinois to Raleigh?
Currently, December is the cheapest month in which you can book a flight from Illinois to Raleigh (average of $25). Flying from Illinois to Raleigh in June is currently the most expensive (average of $138). 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 RDU?
Find hourly flight availability from Illinois to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2026.
A simple way to save on the total cost of your ticket is to fly from Illinois to Raleigh at noon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Illinois to Raleigh
Explore weekly flight availability from Illinois to Raleigh. 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 June 26, 2026.
The most flights from USIL to RDU are scheduled on a Wednesday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from Illinois to Raleigh?
How far ahead should I book a flight from Illinois to Raleigh?
To ensure you get the cheapest price possible for a flight from Illinois to Raleigh, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Raleigh?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Raleigh. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their Illinois to Raleigh flight should consider departing on Friday at noon 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Raleigh?
Book flights to Raleigh if you plan to visit one of these locationsRocky Mount
Smithfield
Garner
Selma
Goldsboro
Danville
Cary
Henderson
Wilson
Pinehurst
Dunn
Chapel Hill
Wake Forest
South Hill
Holly Springs
Morrisville
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to Raleigh
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Complete your trip
Complete your trip to Raleigh by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Raleigh by cabin class
Find flights from Illinois to Raleigh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Raleigh flights
Browse other Illinois and Raleigh flight options. Last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Raleigh
Explore flights to Raleigh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Illinois to Raleigh flights
Consider these flights traveling from Illinois to Raleigh.
Top 6 airlines flying from Illinois to Raleigh
Discover the top 6 airlines that operate flights from Illinois to Raleigh. 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 June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$346 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$307 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$388 | FlexibilityNo cancel fee | On-timeN/A |