$62+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Raleigh with Cheapflights
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Raleigh
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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 August 24, 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 August 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 9/232:29 pm -
1 stop9h 00m
Tue 9/291:56 pm -
1 stop24h 14m
Deal found 8/22![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop9h 00m
Wed 10/146:30 am -
1 stop12h 10m
Deal found 8/21![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/142:29 pm -
1 stop21h 09m
Wed 9/166:35 am -
1 stop7h 35m
Deal found 8/24![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/142:29 pm -
1 stop9h 00m
Tue 9/151:56 pm -
1 stop24h 14m
Deal found 8/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/252:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 8/19![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop19h 12m
Mon 11/212:58 pm -
1 stop5h 42m
Deal found 8/21![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 10/22:29 pm -
1 stop9h 00m
Sun 10/41:56 pm -
1 stop24h 14m
Deal found 8/23![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
1 stop9h 00m
Tue 9/221:56 pm -
1 stop24h 14m
Deal found 8/21![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
1 stop21h 09m
Mon 9/216:35 am -
1 stop7h 35m
Deal found 8/21![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 9/247:11 am -
1 stop29h 48m
Mon 9/287:33 pm -
2 stops20h 47m
Deal found 8/23![Multiple Airlines logo]()
$209
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/116:25 am -
1 stop5h 13m
Mon 9/141:56 pm -
1 stop4h 55m
Deal found 8/19![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 10/77:11 am -
1 stop29h 48m
Wed 10/149:47 pm -
1 stop10h 44m
Deal found 8/23![Multiple Airlines logo]()
$210
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 August 24, 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 August 24, 2026.
This Southwest deal was found by Cheapflights users on 8/19. 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 10/218:30 am -
2 stops7h 30m
Thu 10/2211:35 am -
2 stops8h 30m
Deal found 8/19![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 10/19:05 am -
Nonstop2h 23m
Tue 10/610:13 am -
Nonstop2h 24m
Deal found 8/23![United Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
1 stop4h 46m
Wed 9/94:54 pm -
1 stop6h 36m
Deal found 8/21![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 10/312:30 pm -
1 stop5h 53m
Fri 11/68:15 pm -
1 stop4h 44m
Deal found 8/21![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/21. 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.
Sat 9/123:10 pm -
Nonstop2h 00m
Mon 9/146:45 pm -
Nonstop1h 55m
Deal found 8/21![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 10/810:33 am -
Nonstop2h 16m
Tue 10/136:05 am -
Nonstop2h 22m
Deal found 8/23![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/20. 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 10/104:20 pm -
Nonstop1h 55m
Tue 10/136:50 pm -
Nonstop2h 00m
Deal found 8/20![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/79:05 am -
Nonstop2h 23m
Mon 10/128:06 am -
Nonstop2h 24m
Deal found 8/21![United Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/23. 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.
Sat 9/264:32 pm -
1 stop6h 56m
Fri 10/26:20 am -
1 stop5h 58m
Deal found 8/23![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/265:02 am -
1 stop6h 07m
Fri 10/26:23 pm -
1 stop6h 40m
Deal found 8/21![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/20. 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 9/127:40 am -
Nonstop1h 55m
Tue 9/158:20 am -
Nonstop1h 50m
Deal found 8/20![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Sat 9/58:14 am -
1 stop6h 52m
Sun 9/610:38 am -
2 stops9h 53m
Deal found 8/23![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 8/23. 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 10/3012:13 pm -
1 stop5h 50m
Sun 11/15:15 am -
1 stop7h 11m
Deal found 8/23![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 11/96:45 pm -
Nonstop1h 50m
Tue 11/106:50 pm -
Nonstop2h 00m
Deal found 8/21![Southwest logo]()
$267
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/195:02 am -
2 stops7h 04m
Wed 9/239:40 am -
1 stop4h 09m
Deal found 8/21![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/146:32 am -
2 stops6h 35m
Sat 10/173:05 pm -
2 stops8h 33m
Deal found 8/21![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:04 pm -
1 stop6h 01m
Wed 9/235:15 am -
1 stop7h 03m
Deal found 8/21![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/23. 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 10/302:30 pm -
2 stops6h 18m
Sun 11/17:02 am -
2 stops7h 56m
Deal found 8/23![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/23. 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.
Wed 10/76:10 pm -
Nonstop1h 55m
Wed 10/141:30 pm -
1 stop8h 10m
Deal found 8/23![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Fri 10/163:35 pm -
Nonstop2h 13m
Sat 10/175:01 pm -
Nonstop2h 35m
Deal found 8/23![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 8/20. 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 10/226:00 am -
1 stop5h 37m
Sun 10/256:20 am -
1 stop4h 58m
Deal found 8/20![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 9/215:28 pm -
1 stop5h 31m
Mon 9/286:15 pm -
2 stops6h 53m
Deal found 8/22![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 8/23. 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.
Wed 11/116:00 am -
1 stop5h 05m
Mon 11/168:05 am -
Nonstop2h 05m
Deal found 8/23![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Fri 10/93:35 pm -
Nonstop2h 13m
Tue 10/135:01 pm -
Nonstop2h 29m
Deal found 8/23![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 8/21. 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.
Sat 10/34:20 pm -
Nonstop1h 55m
Mon 10/54:35 pm -
1 stop6h 25m
Deal found 8/21![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/36:34 am -
1 stop3h 45m
Sun 9/61:51 pm -
1 stop5h 25m
Deal found 8/20![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/20. 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 9/45:09 pm -
1 stop6h 33m
Sun 9/66:15 pm -
1 stop5h 04m
Deal found 8/20![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/138:00 am -
1 stop4h 49m
Fri 10/168:06 am -
1 stop5h 07m
Deal found 8/23![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 9/148:50 am -
Nonstop2h 00m
Wed 9/166:00 am -
1 stop4h 00m
Deal found 8/21![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 10/912:55 pm -
Nonstop2h 08m
Wed 10/147:05 am -
1 stop5h 55m
Deal found 8/21![United Airlines logo]()
$290
Last-minute flights from Illinois to RaleighDiscover last-minute flight deals from Illinois to Raleigh. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Raleigh. Data last updated August 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/116:25 am -
1 stop5h 13m
Mon 9/141:56 pm -
1 stop4h 55m
Deal found 8/19![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/126:30 am -
1 stop9h 52m
Mon 9/147:33 pm -
2 stops20h 47m
Deal found 8/22![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/142:29 pm -
1 stop21h 09m
Wed 9/166:35 am -
1 stop7h 35m
Deal found 8/24![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/142:29 pm -
1 stop9h 00m
Tue 9/151:56 pm -
1 stop24h 14m
Deal found 8/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/142:29 pm -
1 stop21h 09m
Thu 9/171:56 pm -
1 stop24h 14m
Deal found 8/24![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
1 stop9h 00m
Tue 9/221:56 pm -
1 stop24h 14m
Deal found 8/21![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
1 stop21h 09m
Mon 9/216:35 am -
1 stop7h 35m
Deal found 8/21![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 9/232:29 pm -
1 stop9h 00m
Tue 9/291:56 pm -
1 stop24h 14m
Deal found 8/22![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
2 stops17h 40m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 8/21![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 9/247:11 am -
1 stop29h 48m
Mon 9/287:33 pm -
2 stops20h 47m
Deal found 8/23![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/252:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 8/19![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/257:11 am -
1 stop29h 48m
Tue 10/131:27 pm -
2 stops27h 09m
Deal found 8/20![Multiple Airlines logo]()
$212
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 August 24, 2026.
Search for one-way flight options from Illinois to Raleigh. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 10/216:35 pm -
1 stop4h 53m
Deal found 8/22![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/232:29 pm -
1 stop9h 00m
Deal found 8/24![Frontier logo]()
$63
This Trip.com deal was found by Cheapflights users on 8/20. 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 9/282:29 pm -
1 stop9h 00m
Deal found 8/20![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:29 pm -
1 stop21h 09m
Deal found 8/21![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/96:35 pm -
1 stop4h 53m
Deal found 8/20![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop4h 53m
Deal found 8/21![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/182:29 pm -
1 stop21h 09m
Deal found 8/20![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Fri 9/252:29 pm -
1 stop21h 09m
Deal found 8/24![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 9/246:20 am -
2 stops37h 18m
Deal found 8/23![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:20 am -
2 stops37h 19m
Deal found 8/21![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/167:11 am -
2 stops25h 51m
Deal found 8/19![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/257:11 am -
1 stop29h 48m
Deal found 8/19![Frontier logo]()
$107
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 August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $119 (Kiwi.com) |
One-way from | $62 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $323 |
Good round-trip deal | $242 or less |
Good one-way deal | $189 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 7,457,451 searches. Data last updated August 24, 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
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Wed 10/21
8:30 am-5:00 pm
2 stops7h 30m
Raleigh-Durham
Thu 10/22
11:35 am-7:05 pm
2 stops8h 30m
$265
ChicagoRaleigh
ORD Chicago O'Hare Intl - RDU Raleigh-Durham
ORDRDU
Chicago O'Hare Intl
Thu 10/1
9:05 am-12:28 pm
Nonstop2h 23m
Raleigh-Durham
Tue 10/6
10:13 am-11:37 am
Nonstop2h 24m
$267
ChicagoRaleigh
MDW Chicago Midway - RDU Raleigh-Durham
MDWRDU
Chicago Midway
Sat 9/12
3:10 pm-6:10 pm
Nonstop2h 00m
Raleigh-Durham
Mon 9/14
6:45 pm-7:40 pm
Nonstop1h 55m
$267
ChicagoRaleigh
ORD Chicago O'Hare Intl - RDU Raleigh-Durham
ORDRDU
Chicago O'Hare Intl
Thu 10/8
10:33 am-1:49 pm
Nonstop2h 16m
Raleigh-Durham
Tue 10/13
6:05 am-7:27 am
Nonstop2h 22m
$267
ChicagoRaleigh
MDW Chicago Midway - RDU Raleigh-Durham
MDWRDU
Chicago Midway
Sat 10/10
4:20 pm-7:15 pm
Nonstop1h 55m
Raleigh-Durham
Tue 10/13
6:50 pm-7:50 pm
Nonstop2h 00m
$267
ChicagoRaleigh
ORD Chicago O'Hare Intl - RDU Raleigh-Durham
ORDRDU
Chicago O'Hare Intl
Wed 10/7
9:05 am-12:28 pm
Nonstop2h 23m
Raleigh-Durham
Mon 10/12
8:06 am-9:30 am
Nonstop2h 24m
$267
Quickest round-trip
ChicagoRaleigh
MDW Chicago Midway - RDU Raleigh-Durham
MDWRDU
Chicago Midway
Sat 9/12
7:40 am-10:35 am
Nonstop1h 55m
Raleigh-Durham
Tue 9/15
8:20 am-9:10 am
Nonstop1h 50m
$267
ChicagoRaleigh
MDW Chicago Midway - RDU Raleigh-Durham
MDWRDU
Chicago Midway
Mon 11/9
6:45 pm-9:35 pm
Nonstop1h 50m
Raleigh-Durham
Tue 11/10
6:50 pm-7:50 pm
Nonstop2h 00m
$267
MolineRaleigh
MLI Moline Quad-City - RDU Raleigh-Durham
MLIRDU
Moline Quad-City
Sat 9/5
8:14 am-4:06 pm
1 stop6h 52m
Raleigh-Durham
Sun 9/6
10:38 am-7:31 pm
2 stops9h 53m
$276
ChicagoRaleigh
MDW Chicago Midway - RDU Raleigh-Durham
MDWRDU
Chicago Midway
Wed 10/7
6:10 pm-9:05 pm
Nonstop1h 55m
Raleigh-Durham
Wed 10/14
1:30 pm-8:40 pm
1 stop8h 10m
$277
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
MLI-RDU
BMI-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
MLI-RDU
What is the cheapest month to book a flight from Illinois to Raleigh?
Currently, October is the cheapest month in which you can book a flight from Illinois to Raleigh (average of $219). Flying from Illinois to Raleigh in July is currently the most expensive (average of $397). 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 August 24, 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 18% 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 August 24, 2026.
The most flights from USIL to RDU are scheduled on a Friday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from Illinois to Raleigh?
Airfare is typical for this route at the moment.
Illinois to Raleigh flights typically cost between $201 and $392 in September.The cheapest round-trip price found within the last 5 days was $209 on Multiple Airlines (Sep 24-Sep 28).
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 62 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 August 22, 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. Sunday afternoons 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 locationsDanville
Rocky Mount
Smithfield
Selma
Goldsboro
Cary
Garner
Pinehurst
Dunn
Chapel Hill
Wake Forest
South Hill
Holly Springs
Morrisville
Roanoke Rapids
Henderson
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Alternative routes for Illinois to Raleigh
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Complete your trip
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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 August 24, 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 August 24, 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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$74 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$180 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$204 | Average$317 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$388 | FlexibilityNo cancel fee | On-timeN/A |