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Durham

$55+ Cheap flights from Illinois to Durham, NC

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Durham

Keep the following information in mind while searching for Illinois to Durham flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$109
(Frontier)

One-way from

$55
(Frontier)

Popular in

February

Cheapest in

July

Average price

$367
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 Durham
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One-way flight from Illinois to Durham
Search Deals
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 February 2025
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Find flight deals from Illinois to Durham

Cheapest flights from Illinois to Durham
Explore the most affordable flight options available from Illinois to Durham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. 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.
Mon 3/1010:36 amSTL - RDU
1 stop9h 40mFrontier
Sat 3/1510:16 pmRDU - STL
1 stop10h 42mFrontier
Deal found 2/18$109
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:11 pmSTL - RDU
1 stop25h 42mMultiple Airlines
Sat 4/266:05 amRDU - STL
1 stop18h 59mMultiple Airlines
Deal found 2/19$160
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/195:55 amSTL - RDU
1 stop6h 08mAmerican Airlines
Wed 3/266:00 amRDU - STL
1 stop6h 24mAmerican Airlines
Deal found 2/18$188
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1812:40 pmMLI - RDU
1 stop5h 02mAmerican Airlines
Wed 3/2611:19 amRDU - MLI
1 stop5h 34mAmerican Airlines
Deal found 2/19$199
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Sat 3/87:21 pmORD - RDU
1 stop11h 39mMultiple Airlines
Mon 3/109:34 pmRDU - ORD
1 stop27h 22mMultiple Airlines
Deal found 2/18$204
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/307:21 pmORD - RDU
1 stop13h 42mSpirit Airlines
Tue 4/11:24 pmRDU - ORD
1 stop20h 05mSpirit Airlines
Deal found 2/18$206
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/117:25 amMDW - RDU
1 stop10h 51mFrontier
Sat 3/155:20 pmRDU - MDW
1 stop7h 57mFrontier
Deal found 2/19$209
This JetBlue deal was found by Cheapflights users on 2/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:20 amORD - RDU
1 stop8h 35mJetBlue
Tue 5/206:17 amRDU - ORD
1 stop7h 00mJetBlue
Deal found 2/19$219
This eDestinos deal was found by Cheapflights users on 2/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/58:20 amORD - RDU
1 stop24h 39mFrontier
Sat 4/129:45 amRDU - ORD
2 stops39h 25mFrontier
Deal found 2/19$236
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/176:33 amPIA - RDU
1 stop7h 01mAmerican Airlines
Mon 4/216:00 amRDU - PIA
1 stop5h 56mAmerican Airlines
Deal found 2/20$249
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:15 amORD - RDU
1 stop9h 31mDelta
Wed 4/21:20 pmRDU - ORD
1 stop10h 23mDelta
Deal found 2/19$263
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/122:22 pmPIA - RDU
1 stop5h 46mUnited Airlines
Wed 3/199:30 amRDU - PIA
1 stop5h 17mUnited Airlines
Deal found 2/19$269

Find flights from Illinois to Durham within your budget

Customize your flight search to find flights from Illinois to Durham 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 February 20, 2025.

Fly from

Illinois

Fly to

Durham

Route

Depart

Return

Price

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 3/10

10:36 am-9:16 pm

1 stop9h 40m

Raleigh-Durham

Sat 3/15

10:16 pm-7:58 am

1 stop10h 42m

$109

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 4/24

6:11 pm-8:53 pm

1 stop25h 42m

Raleigh-Durham

Sat 4/26

6:05 am-12:04 am

1 stop18h 59m

$160

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 3/19

5:55 am-1:03 pm

1 stop6h 08m

Raleigh-Durham

Wed 3/26

6:00 am-11:24 am

1 stop6h 24m

$188

MolineRaleigh

MLI - RDU

MLIRDU

Moline Quad-City

Tue 3/18

12:40 pm-6:42 pm

1 stop5h 02m

Raleigh-Durham

Wed 3/26

11:19 am-3:53 pm

1 stop5h 34m

$199

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 3/8

7:21 pm-8:00 am

1 stop11h 39m

Raleigh-Durham

Mon 3/10

9:34 pm-11:56 pm

1 stop27h 22m

$204

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sun 3/30

7:21 pm-10:03 am

1 stop13h 42m

Raleigh-Durham

Tue 4/1

1:24 pm-8:29 am

1 stop20h 05m

$206

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Tue 3/11

7:25 am-7:16 pm

1 stop10h 51m

Raleigh-Durham

Sat 3/15

5:20 pm-12:17 am

1 stop7h 57m

$209

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 5/15

6:20 am-3:55 pm

1 stop8h 35m

Raleigh-Durham

Tue 5/20

6:17 am-12:17 pm

1 stop7h 00m

$219

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 4/5

8:20 am-9:59 am

1 stop24h 39m

Raleigh-Durham

Sat 4/12

9:45 am-12:10 am

2 stops39h 25m

$236

PeoriaRaleigh

PIA - RDU

PIARDU

Greater Peoria

Thu 4/17

6:33 am-2:34 pm

1 stop7h 01m

Raleigh-Durham

Mon 4/21

6:00 am-10:56 am

1 stop5h 56m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 51 results
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Best time to book a flight from Illinois to Durham

Have a flexible travel schedule? Discover the best time to fly to Durham 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 Durham

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Durham (average of $206). Flying from Illinois to Durham 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 DU8?

Find hourly flight availability from Illinois to Durham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

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

Weekly flight availability from Illinois to Durham

Explore weekly flight availability from Illinois to Durham. 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 February 20, 2025.

The most flights from USIL to DU8 are scheduled on a Thursday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Durham by month

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

In terms of precipitation, rainfall in Durham 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 Durham when rainfall is around 2.9 in.

Temperature in Durham by month

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

If weather is an important factor for your trip to Durham, 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 Durham

Get insights into the airlines that provide service to Durham. 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 Durham. Reviews last updated February 20, 2025.
To help decide which airline to fly from Illinois to Durham, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Durham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $74 and $123, respectively.

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

    Most travelers choose Chicago O'Hare Intl - Raleigh-Durham, Chicago Midway - Raleigh-Durham or Lambert-St Louis - Raleigh-Durham when deciding on the best route from Illinois to Durham.

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

    Before booking your flight to Durham from Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), Royal Jordanian (94%), Air New Zealand( 86%).

  • What are the cheapest flights from Illinois to Durham?

    On average you can expect to pay $312 for a flight from Illinois to Durham. The cheapest flight overall is $148 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $125.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Durham 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 Durham?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Durham (average of $206). Flying from Illinois to Durham 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

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Alternative routes for Illinois to Durham

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Durham

Discover the top 5 airlines that operate flights from Illinois to Durham. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$121FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$133Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$138Average$309FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$169Average$359FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$412FlexibilityNo cancel feeOn-timeN/A
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