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Durham

$85+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$161
(Southwest)

One-way from

$85
(Southwest)

Popular in

March

Cheapest in

July

Average price

$217
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 ($85 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 May 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 May 1, 2025.

This Southwest deal was found by Cheapflights users on 4/30. 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 7/15:00 pmMDW - RDU
Nonstop1h 50mSouthwest
Fri 7/45:35 pmRDU - MDW
Nonstop2h 00mSouthwest
Deal found 4/30$161
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/16:55 pmORD - RDU
Nonstop2h 04mAmerican Airlines
Fri 7/411:15 amRDU - ORD
Nonstop2h 16mAmerican Airlines
Deal found 4/30$161
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1311:32 amORD - RDU
Nonstop2h 04mMultiple Airlines
Sun 6/159:05 amRDU - ORD
1 stop5h 31mMultiple Airlines
Deal found 4/30$162
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Fri 10/3112:32 pmORD - RDU
Nonstop2h 06mFrontier
Sun 11/29:00 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 5/1$168
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/286:28 pmORD - RDU
Nonstop2h 07mUnited Airlines
Wed 6/45:14 pmRDU - ORD
Nonstop2h 24mUnited Airlines
Deal found 4/30$179
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Tue 5/135:45 pmSTL - RDU
1 stop27h 34mFrontier
Thu 5/154:25 pmRDU - STL
1 stop8h 41mFrontier
Deal found 5/1$189
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Thu 5/227:35 pmORD - RDU
1 stop12h 37mSpirit Airlines
Mon 5/261:46 pmRDU - ORD
1 stop6h 31mSpirit Airlines
Deal found 4/30$196
This Delta deal was found by Cheapflights users on 4/30. 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 6/144:26 pmMDW - RDU
1 stop5h 56mDelta
Sat 6/215:45 amRDU - MDW
1 stop3h 56mDelta
Deal found 4/30$197
This Delta deal was found by Cheapflights users on 4/30. 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 6/1411:20 amORD - RDU
1 stop3h 55mDelta
Sat 6/215:45 amRDU - ORD
1 stop5h 18mDelta
Deal found 4/30$197
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Thu 5/229:50 amMDW - RDU
1 stop5h 14mFrontier
Sat 5/245:42 pmRDU - MDW
1 stop5h 20mFrontier
Deal found 5/1$206
This Delta deal was found by Cheapflights users on 5/1. 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.
Sun 5/256:00 amMLI - RDU
1 stop4h 18mDelta
Sat 5/3111:00 amRDU - MLI
1 stop6h 34mDelta
Deal found 5/1$217
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 7/41:50 pmORD - RDU
1 stop5h 20mSouthwest
Wed 7/99:40 amRDU - ORD
2 stops12h 50mSouthwest
Deal found 4/30$240

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 May 1, 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

MDW - RDU

MDWRDU

Chicago Midway

Tue 7/1

5:00 pm-7:50 pm

Nonstop1h 50m

Raleigh-Durham

Fri 7/4

5:35 pm-6:35 pm

Nonstop2h 00m

$161

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Tue 7/1

6:55 pm-9:59 pm

Nonstop2h 04m

Raleigh-Durham

Fri 7/4

11:15 am-12:31 pm

Nonstop2h 16m

$161

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 6/13

11:32 am-2:36 pm

Nonstop2h 04m

Raleigh-Durham

Sun 6/15

9:05 am-1:36 pm

1 stop5h 31m

$162

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Tue 7/1

11:28 am-11:56 pm

1 stop11h 28m

Raleigh-Durham

Fri 7/4

3:26 pm-4:58 pm

Nonstop2h 32m

$172

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 5/28

6:28 pm-9:35 pm

Nonstop2h 07m

Raleigh-Durham

Wed 6/4

5:14 pm-6:38 pm

Nonstop2h 24m

$179

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 5/13

5:45 pm-10:19 pm

1 stop27h 34m

Raleigh-Durham

Thu 5/15

4:25 pm-12:06 am

1 stop8h 41m

$189

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 5/22

7:35 pm-9:12 am

1 stop12h 37m

Raleigh-Durham

Fri 5/23

10:17 am-6:40 pm

1 stop9h 23m

$196

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sat 6/14

5:53 pm-11:17 pm

1 stop4h 24m

Raleigh-Durham

Sat 6/21

5:45 am-8:41 am

1 stop3h 56m

$197

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 6/14

9:40 am-5:45 pm

1 stop7h 05m

Raleigh-Durham

Sat 6/21

12:42 pm-5:11 pm

1 stop5h 29m

$197

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Thu 5/22

9:50 am-4:04 pm

1 stop5h 14m

Raleigh-Durham

Sat 5/24

5:42 pm-10:02 pm

1 stop5h 20m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 57 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 May 1, 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 May 1, 2025.

The most flights from USIL to DU8 are scheduled on a Thursday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 May 1, 2025.
To help decide which airline to fly from Illinois to Durham, see what other customers have to say about Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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
4,293 reviews
Southwest
8.0
Very good
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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
7,934 reviews
Southwest
8.0
Very good
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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
8,696 reviews
Southwest
8.0
Very good
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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
2,923 reviews
Southwest
8.0
Very good
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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
4,293 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

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 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?

    $85 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 $85 and $88, 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 (95%), United Airlines( 88%).

  • What are the cheapest flights from Illinois to Durham?

    On average you can expect to pay $262 for a flight from Illinois to Durham. The cheapest flight overall is $78 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $143.

  • 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$129FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$136Average$385FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$149Average$318FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$173Average$366FlexibilityNo cancel feeOn-time63%
DeltaCheapest$266Average$465FlexibilityNo cancel feeOn-timeN/A

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