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$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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$81
(CheapOair)

Popular in

February

Cheapest in

July

Average price

$358

Good round-trip deal

$318 or less

Good one-way deal

$169 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
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One-way flight from Illinois to Raleigh-Durham
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Highest demand for flights based on searches. 25% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 4, 2025.

This CheapOair deal was found by Cheapflights users on 3/2. 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.
Wed 4/24:57 pmSTL - RDU
1 stop14h 06mFrontier
Mon 4/710:46 amRDU - STL
1 stop14h 00mFrontier
Deal found 3/2$160
This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:37 pmSTL - RDU
1 stop23h 11mSpirit Airlines
Sat 5/108:43 pmRDU - STL
1 stop22h 49mSpirit Airlines
Deal found 3/3$199
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/166:33 amPIA - RDU
1 stop7h 01mAmerican Airlines
Wed 5/76:19 amRDU - PIA
1 stop5h 45mAmerican Airlines
Deal found 3/4$199
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/143:25 pmMLI - RDU
1 stop8h 26mAmerican Airlines
Sat 5/174:09 pmRDU - MLI
1 stop6h 36mAmerican Airlines
Deal found 3/4$199
This CheapOair deal was found by Cheapflights users on 3/3. 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 5/114:00 pmMDW - RDU
1 stop15h 09mFrontier
Fri 5/3012:39 pmRDU - MDW
1 stop8h 20mFrontier
Deal found 3/3$217
This JetBlue deal was found by Cheapflights users on 3/4. 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 4/231:26 pmORD - RDU
1 stop6h 00mJetBlue
Wed 4/306:00 amRDU - ORD
1 stop7h 13mJetBlue
Deal found 3/4$219
This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/195:22 pmORD - RDU
2 stops15h 41mSpirit Airlines
Sun 3/239:53 pmRDU - ORD
2 stops35h 51mSpirit Airlines
Deal found 3/3$220
This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:32 pmORD - RDU
1 stop18h 57mMultiple Airlines
Thu 4/107:17 pmRDU - ORD
3 stops27h 09mMultiple Airlines
Deal found 3/3$221
This United Airlines deal was found by Cheapflights users on 3/3. 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 3/183:50 pmMLI - RDU
1 stop4h 18mUnited Airlines
Tue 3/256:30 amRDU - MLI
1 stop4h 49mUnited Airlines
Deal found 3/3$225
This CheapOair deal was found by Cheapflights users on 3/4. 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 6/112:37 pmORD - RDU
Nonstop1h 58mFrontier
Tue 6/312:39 pmRDU - ORD
1 stop11h 59mFrontier
Deal found 3/4$231
This Sun Country Air deal was found by Cheapflights users on 3/4. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:35 pmORD - RDU
1 stop14h 09mSun Country Air
Sat 4/268:05 pmRDU - ORD
1 stop22h 48mSun Country Air
Deal found 3/4$255
This Mytrip deal was found by Cheapflights users on 3/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:10 pmSTL - RDU
1 stop15h 30mMultiple Airlines
Mon 5/52:22 pmRDU - STL
2 stops27h 53mMultiple Airlines
Deal found 3/2$263

Find flights from Illinois to Raleigh within your budget

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 March 4, 2025.

Fly from

Illinois

Fly to

Raleigh

Route

Depart

Return

Price

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 4/2

4:57 pm-8:03 am

1 stop14h 06m

Raleigh-Durham

Mon 4/7

10:46 am-11:46 pm

1 stop14h 00m

$160

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 5/8

7:37 pm-7:48 pm

1 stop23h 11m

Raleigh-Durham

Sat 5/10

8:43 pm-6:32 pm

1 stop22h 49m

$199

PeoriaRaleigh

PIA - RDU

PIARDU

Greater Peoria

Wed 4/16

6:33 am-2:34 pm

1 stop7h 01m

Raleigh-Durham

Wed 5/7

6:19 am-11:04 am

1 stop5h 45m

$199

MolineRaleigh

MLI - RDU

MLIRDU

Moline Quad-City

Wed 5/14

3:25 pm-12:51 am

1 stop8h 26m

Raleigh-Durham

Sat 5/17

4:09 pm-9:45 pm

1 stop6h 36m

$199

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sun 5/11

4:00 pm-8:09 am

1 stop15h 09m

Raleigh-Durham

Fri 5/30

12:39 pm-7:59 pm

1 stop8h 20m

$217

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 4/23

1:26 pm-8:26 pm

1 stop6h 00m

Raleigh-Durham

Tue 4/29

6:00 am-12:26 pm

1 stop7h 26m

$219

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 3/19

5:22 pm-10:03 am

2 stops15h 41m

Raleigh-Durham

Sun 3/23

9:53 pm-8:44 am

2 stops35h 51m

$220

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Tue 4/1

4:32 pm-12:29 pm

1 stop18h 57m

Raleigh-Durham

Thu 4/10

7:17 pm-9:26 pm

3 stops27h 09m

$221

MolineRaleigh

MLI - RDU

MLIRDU

Moline Quad-City

Tue 3/18

3:50 pm-9:08 pm

1 stop4h 18m

Raleigh-Durham

Tue 3/25

6:30 am-10:19 am

1 stop4h 49m

$225

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sun 6/1

12:37 pm-3:35 pm

Nonstop1h 58m

Raleigh-Durham

Tue 6/3

12:39 pm-11:38 pm

1 stop11h 59m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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.

Travel insights for flights from Illinois to Raleigh

Get recent, data-driven insights about flights from Illinois to Raleigh including ideal travel times, pricing trends, and more.

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 $316). 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 March 4, 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.

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 March 4, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta 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
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,331 reviews
Southwest
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,713 reviews
Southwest
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,061 reviews
Southwest
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,678 reviews
Southwest
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
3,006 reviews
Southwest
8.1
Very good
4,331 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $81. Users have also found prices from $100 and $129 on American Airlines and Southwest, 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 Royal Jordanian (98%), Air New Zealand (86%) or United Airlines (86%) 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 $148. On average you can expect to pay $468. The most popular route, (Chicago O'Hare Intl - Raleigh-Durham), can usually be booked for $138.

  • 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 $316). 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
Garner
Wake Forest
Goldsboro
Oxford
Rocky Mount
Danville
Henderson

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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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Providence to Myrtle Beach flights

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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$123FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$135Average$379FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$138Average$331FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$169Average$363FlexibilityNo cancel feeOn-time63%
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