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Durham

$79+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
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 junio 16, 2025.

Round-trip from

$139
(United Airlines)

One-way from

$79
(Southwest)

Popular in

March

Cheapest in

July

Average price

$248
From Illinois to Durham
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One-way flight from Illinois to Durham
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Highest demand for flights based on searches. 23% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 16, 2025.

This Southwest deal was found by Cheapflights users on 6/15. 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.
mié. 9/243:00 pmMDW - RDU
Nonstop1h 50mSouthwest
mié. 10/16:00 pmRDU - MDW
Nonstop2h 00mSouthwest
Deal found 6/15$139
This United Airlines deal was found by Cheapflights users on 6/14. 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.
mié. 8/62:08 pmORD - RDU
Nonstop2h 08mUnited Airlines
mié. 8/139:23 amRDU - ORD
Nonstop2h 24mUnited Airlines
Deal found 6/14$139
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mié. 10/88:30 pmORD - RDU
Nonstop2h 21mAmerican Airlines
mar. 10/147:21 amRDU - ORD
Nonstop2h 18mAmerican Airlines
Deal found 6/14$148
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/411:32 amORD - RDU
Nonstop2h 04mFrontier
lun. 7/143:10 pmRDU - ORD
Nonstop2h 30mFrontier
Deal found 6/15$155
This Priceline deal was found by Cheapflights users on 6/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/276:20 amMDW - RDU
1 stop8h 52mFrontier
dom. 6/295:15 pmRDU - MDW
1 stop7h 03mFrontier
Deal found 6/14$160
This Priceline deal was found by Cheapflights users on 6/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/411:32 amORD - RDU
Nonstop2h 04mMultiple Airlines
dom. 7/133:26 pmRDU - ORD
1 stop7h 23mMultiple Airlines
Deal found 6/14$181
This FlightHub deal was found by Cheapflights users on 6/14. 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.
jue. 7/1010:47 amSTL - RDU
1 stop4h 25mMultiple Airlines
dom. 7/136:00 amRDU - STL
1 stop18h 47mMultiple Airlines
Deal found 6/14$193
This FlightHub deal was found by Cheapflights users on 6/14. 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.
dom. 9/288:44 amSTL - RDU
1 stop23h 52mSpirit Airlines
mié. 10/1510:41 amRDU - STL
1 stop22h 08mSpirit Airlines
Deal found 6/14$194
This Delta deal was found by Cheapflights users on 6/14. 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.
mar. 9/236:00 amMDW - RDU
1 stop7h 07mDelta
lun. 9/296:30 pmRDU - MDW
1 stop4h 14mDelta
Deal found 6/14$197
This Frontier deal was found by Cheapflights users on 6/15. 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.
vie. 6/272:27 pmSTL - RDU
1 stop14h 33mFrontier
lun. 6/3012:51 pmRDU - STL
1 stop12h 02mFrontier
Deal found 6/15$200
This Delta deal was found by Cheapflights users on 6/14. 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.
mar. 7/295:35 amORD - RDU
1 stop4h 57mDelta
mar. 8/59:49 amRDU - ORD
1 stop4h 01mDelta
Deal found 6/14$203
This Sun Country Air deal was found by Cheapflights users on 6/16. 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.
jue. 7/106:09 pmORD - RDU
1 stop22h 02mSun Country Air
dom. 7/136:20 pmRDU - ORD
1 stop24h 01mSun Country Air
Deal found 6/16$225

Cheapflights Fare Finder

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 junio 16, 2025.
Use the filters below to find and compare flights from Illinois to Durham that are best for you.

Fly from

Illinois

Fly to

Durham

Route

Depart

Return

Price

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

mié. 8/6

2:08 pm-5:16 pm

Nonstop2h 08m

Raleigh-Durham

mié. 8/13

9:23 am-10:47 am

Nonstop2h 24m

$139

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

sáb. 8/9

5:40 pm-8:35 pm

Nonstop1h 55m

Raleigh-Durham

lun. 8/11

6:30 pm-7:30 pm

Nonstop2h 00m

$148

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

lun. 8/18

8:45 pm-11:59 pm

Nonstop2h 14m

Raleigh-Durham

sáb. 8/23

7:24 am-8:44 am

Nonstop2h 20m

$148

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

vie. 7/4

11:32 am-2:36 pm

Nonstop2h 04m

Raleigh-Durham

lun. 7/14

3:10 pm-4:40 pm

Nonstop2h 30m

$155

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

vie. 6/27

6:20 am-4:12 pm

1 stop8h 52m

Raleigh-Durham

lun. 6/30

5:07 pm-11:18 pm

1 stop7h 11m

$160

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

vie. 7/4

11:32 am-2:36 pm

Nonstop2h 04m

Raleigh-Durham

dom. 7/13

3:26 pm-9:49 pm

1 stop7h 23m

$181

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

jue. 7/10

10:47 am-4:12 pm

1 stop4h 25m

Raleigh-Durham

dom. 7/13

6:00 am-11:47 pm

1 stop18h 47m

$193

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

vie. 6/27

2:27 pm-6:00 am

1 stop14h 33m

Raleigh-Durham

lun. 6/30

12:51 pm-11:53 pm

1 stop12h 02m

$200

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

mar. 7/29

5:05 pm-12:20 am

1 stop6h 15m

Raleigh-Durham

mar. 8/5

3:26 pm-9:42 pm

1 stop7h 16m

$203

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

mar. 7/29

5:35 am-11:32 am

1 stop4h 57m

Raleigh-Durham

mar. 8/5

9:49 am-12:50 pm

1 stop4h 01m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 53 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Durham

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 $294). 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 junio 16, 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 junio 16, 2025.

The most flights from USIL to DU8 are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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 junio 16, 2025.
To help decide which airline to fly from Illinois to Durham, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $79 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $79 and $81, 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: United Airlines (86%), Envoy Air (85%), Air New Zealand( 83%).

  • What are the cheapest flights from Illinois to Durham?

    On average you can expect to pay $189 for a flight from Illinois to Durham. The cheapest flight overall is $67 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $139.

  • 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 $294). 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 junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$151FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$136Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$145Average$339FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$169Average$355FlexibilityNo cancel feeOn-time63%
DeltaCheapest$266Average$342FlexibilityNo cancel feeOn-timeN/A

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