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$90+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Illinois to Raleigh

Keep the following information in mind while searching for Illinois to Raleigh flight deals. Data was last updated April 24, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$171
(FlightHub)

One-way from

$90
(Jettzy)

Popular in

March

Cheapest in

July

Average price

$293

Good round-trip deal

$252 or less

Good one-way deal

$149 or less
Provider with most accurate pricing for Chicago (CHI)-Raleigh-Durham flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Raleigh-Durham flights.
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From Illinois to Raleigh-Durham
Search Deals
One-way flight from Illinois to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Raleigh-Durham.
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Price to beat on a one-way flight from Illinois to Raleigh-Durham.
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Find flight deals from Illinois to Raleigh

Cheapest flights from Illinois to Raleigh
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 April 24, 2025.

This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:01 pmORD - RDU
Nonstop2h 04mFrontier
Fri 5/99:28 pmRDU - ORD
Nonstop2h 31mFrontier
Deal found 4/23$170
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:35 pmORD - RDU
1 stop12h 37mMultiple Airlines
Mon 6/23:38 pmRDU - ORD
Nonstop2h 37mMultiple Airlines
Deal found 4/23$171
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/249:05 amORD - RDU
1 stop4h 47mAmerican Airlines
Sat 5/244:09 pmRDU - ORD
Nonstop2h 33mAmerican Airlines
Deal found 4/23$174
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:10 amMDW - RDU
1 stop8h 44mFrontier
Tue 6/34:54 pmRDU - MDW
1 stop6h 50mFrontier
Deal found 4/23$181
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/216:20 pmORD - RDU
Nonstop2h 09mUnited Airlines
Wed 5/289:20 amRDU - ORD
Nonstop2h 24mUnited Airlines
Deal found 4/23$184
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:41 pmSTL - RDU
1 stop25h 29mFrontier
Tue 4/2910:01 amRDU - STL
1 stop15h 03mFrontier
Deal found 4/23$191
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 5/276:30 pmMDW - RDU
Nonstop1h 50mSouthwest
Mon 6/26:50 pmRDU - MDW
Nonstop2h 00mSouthwest
Deal found 4/23$193
This Delta deal was found by Cheapflights users on 4/23. 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 6/76:00 amMDW - RDU
1 stop5h 33mDelta
Sat 6/145:20 pmRDU - MDW
1 stop5h 25mDelta
Deal found 4/23$197
This Delta deal was found by Cheapflights users on 4/23. 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 6/77:05 amORD - RDU
1 stop4h 28mDelta
Tue 6/105:20 amRDU - ORD
1 stop4h 19mDelta
Deal found 4/23$197
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/87:35 pmORD - RDU
1 stop12h 37mSpirit Airlines
Sun 6/159:10 amRDU - ORD
1 stop5h 26mSpirit Airlines
Deal found 4/23$198
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/244:25 pmMLI - RDU
1 stop4h 35mAmerican Airlines
Wed 5/284:20 pmRDU - MLI
1 stop6h 54mAmerican Airlines
Deal found 4/23$199
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:03 pmORD - RDU
1 stop6h 18mJetBlue
Tue 5/209:48 amRDU - ORD
1 stop9h 48mJetBlue
Deal found 4/23$213

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 April 24, 2025.
Use the filters below to find and compare flights from Illinois to Raleigh that are best for you.

Fly from

Illinois

Fly to

Raleigh

Route

Depart

Return

Price

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 5/29

7:35 pm-9:12 am

1 stop12h 37m

Raleigh-Durham

Mon 6/2

3:38 pm-5:15 pm

Nonstop2h 37m

$171

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 5/24

9:05 am-2:52 pm

1 stop4h 47m

Raleigh-Durham

Sat 5/24

4:09 pm-5:42 pm

Nonstop2h 33m

$174

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sun 5/11

6:00 am-9:04 am

Nonstop2h 04m

Raleigh-Durham

Sun 5/18

9:28 pm-10:59 pm

Nonstop2h 31m

$176

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sat 5/31

6:10 am-3:54 pm

1 stop8h 44m

Raleigh-Durham

Tue 6/3

4:54 pm-10:44 pm

1 stop6h 50m

$181

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 5/21

6:20 pm-9:29 pm

Nonstop2h 09m

Raleigh-Durham

Wed 5/28

9:20 am-10:44 am

Nonstop2h 24m

$184

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sun 4/27

5:41 pm-8:10 pm

1 stop25h 29m

Raleigh-Durham

Tue 4/29

10:01 am-12:04 am

1 stop15h 03m

$191

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Tue 5/27

6:30 pm-9:20 pm

Nonstop1h 50m

Raleigh-Durham

Mon 6/2

6:50 pm-7:50 pm

Nonstop2h 00m

$193

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sat 6/7

6:00 am-12:33 pm

1 stop5h 33m

Raleigh-Durham

Sat 6/14

9:39 am-12:29 pm

1 stop3h 50m

$197

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 6/7

7:05 am-12:33 pm

1 stop4h 28m

Raleigh-Durham

Tue 6/10

5:20 am-8:39 am

1 stop4h 19m

$197

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sun 6/8

7:35 pm-9:12 am

1 stop12h 37m

Raleigh-Durham

Sun 6/15

9:10 am-1:36 pm

1 stop5h 26m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 53 results
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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.
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

What is the cheapest month to book a flight from Illinois to Raleigh?

Currently, August is the cheapest month in which you can book a flight from Illinois to Raleigh (average of $206). Flying from Illinois to Raleigh in March is currently the most expensive (average of $295). 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 April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Raleigh as you normally would.

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 April 24, 2025.

The most flights from USIL to RDU are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Raleigh by month

Plan your trip to Raleigh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Raleigh ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Raleigh when rainfall is around 2.9 in.

Temperature in Raleigh by month

Plan your trip to Raleigh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Raleigh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. 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 Raleigh. Reviews last updated April 24, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Illinois to Raleigh to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • What airport do you fly into for flights to Raleigh from Illinois?

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly into when you book flights from Illinois to Raleigh.

  • What are the cheapest airlines to fly from Illinois to Raleigh one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $90. Users have also found prices from $91 and $91 on Southwest and Spirit Airlines, respectively.

  • What are the most popular routes from Illinois to Raleigh?

    The most popular route from Illinois to Raleigh is Chicago O'Hare Intl - Raleigh-Durham. You may also consider Chicago Midway - Raleigh-Durham or Lambert-St Louis - Raleigh-Durham.

  • What are the most reliable airlines from Illinois to Raleigh?

    No one likes to see their flight delayed. When booking a flight from Illinois to Raleigh consider choosing SkyWest Airlines (100%), Royal Jordanian (95%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Raleigh?

    The cheapest flight price from Illinois to Raleigh is $79. On average you can expect to pay $271. The most popular route, (Chicago O'Hare Intl - Raleigh-Durham), can usually be booked for $142.

  • Can I find deals for flights from Illinois to Raleigh that include hotel bookings?

    Yes. In addition to deals on Illinois to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Raleigh.

  • Can I find deals for business class flights from Illinois to Raleigh?

    Yes. Cheapflights offers flight deals from Illinois to Raleigh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Raleigh?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Raleigh (average of $206). Flying from Illinois to Raleigh in March is currently the most expensive (average of $295). 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.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Morrisville
Dunn
Smithfield
Cary
Chapel Hill
Apex
Wilson
Wake Forest
Garner
Henderson
Goldsboro
Danville
Oxford
Rocky Mount

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Alternative routes for Illinois to Raleigh

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Raleigh

Discover the top 4 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$123FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$136Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$150Average$334FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$173Average$365FlexibilityNo cancel feeOn-time63%

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