RDU's compact layout makes navigating its two terminals easy. Know your terminal in advance to streamline your departure process.

| Most accurate provider | CheapOair 3 stars | 
|---|---|
| Most trusted provider | CheapOair 3 stars | 
| Round-trip from | $128 (Kiwi.com) | 
| One-way from | $64 (Priceline) | 
| Popular in | March | 
| Cheapest in | August | 
| Average price | $229 | 
| Good round-trip deal | $227 or less | 
| Good one-way deal | $98 or less | 
Fly from
Fly to
Route
Depart
Return
Price
RaleighChicago
RDU - ORD
RDUORD
Raleigh-Durham
Thu 11/13
7:05 pm-12:11 am
1 stop6h 06m
Chicago O'Hare Intl
Fri 11/14
7:34 pm-1:19 pm
1 stop16h 45m
RaleighChicago
RDU - MDW
RDUMDW
Raleigh-Durham
Sat 12/6
5:10 pm-6:15 pm
Nonstop2h 05m
Chicago Midway
Sat 12/13
9:50 am-12:45 pm
Nonstop1h 55m
RaleighChicago
RDU - ORD
RDUORD
Raleigh-Durham
Mon 11/24
6:30 am-7:56 am
Nonstop2h 26m
Chicago O'Hare Intl
Tue 12/2
7:10 am-10:14 am
Nonstop2h 04m
RaleighChicago
RDU - MDW
RDUMDW
Raleigh-Durham
Sat 12/6
5:45 am-1:59 pm
1 stop9h 14m
Chicago Midway
Sat 12/13
6:00 am-4:44 pm
2 stops9h 44m
RaleighChicago
RDU - MDW
RDUMDW
Raleigh-Durham
Sat 12/6
1:09 pm-6:06 pm
1 stop5h 57m
Chicago Midway
Sat 12/13
1:14 pm-5:40 pm
1 stop3h 26m
RaleighChicago
RDU - ORD
RDUORD
Raleigh-Durham
Thu 1/15
10:00 am-11:26 am
Nonstop2h 26m
Chicago O'Hare Intl
Thu 1/15
6:35 pm-9:46 pm
Nonstop2h 11m
RaleighChicago
RDU - MDW
RDUMDW
Raleigh-Durham
Thu 12/4
1:40 pm-2:45 pm
Nonstop2h 05m
Chicago Midway
Sun 12/7
7:30 pm-10:20 pm
Nonstop1h 50m
RaleighChicago
RDU - MDW
RDUMDW
Raleigh-Durham
Sat 12/13
6:00 pm-11:47 pm
1 stop6h 47m
Chicago Midway
Tue 12/16
10:49 am-4:47 pm
1 stop4h 58m
RaleighChicago
RDU - ORD
RDUORD
Raleigh-Durham
Sat 1/10
6:15 am-7:44 am
Nonstop2h 29m
Chicago O'Hare Intl
Tue 1/13
2:02 pm-5:04 pm
Nonstop2h 02m
RaleighChicago
RDU - ORD
RDUORD
Raleigh-Durham
Fri 12/12
5:26 pm-6:55 pm
Nonstop2h 29m
Chicago O'Hare Intl
Mon 12/15
2:05 pm-5:08 pm
Nonstop2h 03m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | 
Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Raleigh to Chicago (average of $83). Flying from Raleigh to Chicago in March is currently the most expensive (average of $199). 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.
One of the essential ways to save on airfare from Raleigh to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 50% on airfare.
Travelers seeking maximum savings on their Raleigh to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$79 | Average$187 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$114 | Average$279 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$168 | Average$326 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$174 | Average$308 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$316 | FlexibilityNo cancel fee | On-time63% |