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Durham

$57+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RDU
nov 29 — dez 61
sáb 11/29
sáb 12/6
1 adult, Economy
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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 outubro 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/29. 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.
seg 11/171:50 pmORD - RDU
Nonstop2h 06mFrontier
qui 11/206:00 amRDU - ORD
1 stop6h 34mFrontier
Deal found 10/29$105
This CheapOair deal was found by Cheapflights users on 10/28. 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.
sex 12/123:14 pmORD - RDU
Nonstop2h 05mFrontier
dom 1/410:10 amRDU - ORD
Nonstop2h 28mFrontier
Deal found 10/28$106
This Priceline deal was found by Cheapflights users on 10/29. 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.
qui 11/1311:07 amSTL - RDU
1 stop5h 55mFrontier
sáb 11/1510:45 amRDU - STL
1 stop5h 53mFrontier
Deal found 10/29$110
This CheapOair deal was found by Cheapflights users on 10/29. 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.
qui 11/131:37 pmMDW - RDU
1 stop8h 21mFrontier
seg 11/176:37 pmRDU - MDW
1 stop6h 53mFrontier
Deal found 10/29$110
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ter 11/118:00 amORD - RDU
1 stop13h 33mFrontier
qua 11/126:10 amRDU - ORD
1 stop6h 04mFrontier
Deal found 10/28$110
This Frontier deal was found by Cheapflights users on 10/28. 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.
qui 12/412:04 pmSTL - RDU
1 stop11h 08mFrontier
seg 12/88:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 10/28$111
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/132:42 pmORD - RDU
1 stop8h 13mFrontier
seg 11/1710:06 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 10/29$111
This Frontier deal was found by Cheapflights users on 10/28. 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.
qui 12/1111:44 amORD - RDU
1 stop11h 28mFrontier
dom 12/1410:00 amRDU - ORD
Nonstop2h 28mFrontier
Deal found 10/28$113
This Booking.com deal was found by Cheapflights users on 10/29. 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.
sáb 11/156:00 amORD - RDU
1 stop15h 58mFrontier
dom 11/1610:06 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 10/29$114
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/2710:59 amORD - RDU
1 stop6h 44mMultiple Airlines
qui 12/411:40 amRDU - ORD
Nonstop2h 28mMultiple Airlines
Deal found 10/28$115
This Frontier deal was found by Cheapflights users on 10/28. 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.
sex 11/141:50 pmORD - RDU
Nonstop2h 06mFrontier
qua 11/196:10 amRDU - ORD
1 stop6h 04mFrontier
Deal found 10/28$116
This Frontier deal was found by Cheapflights users on 10/28. 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.
qui 12/47:40 amORD - RDU
Nonstop2h 05mFrontier
dom 12/710:00 amRDU - ORD
Nonstop2h 28mFrontier
Deal found 10/28$117

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 outubro 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$105
(CheapOair)

One-way from

$57
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$213
Provider with most accurate pricing for Chicago (CHI)-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Raleigh-Durham flights.
Search Deals
From Illinois to Durham
Search Deals
One-way flight from Illinois to Durham
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 outubro 30, 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

qui 11/13

2:42 pm-11:55 pm

1 stop8h 13m

Raleigh-Durham

seg 11/17

5:51 pm-11:44 pm

1 stop6h 53m

$110

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

ter 12/2

10:59 am-7:19 pm

1 stop7h 20m

Raleigh-Durham

sex 12/5

7:14 pm-8:42 pm

Nonstop2h 28m

$121

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

qui 11/13

2:12 pm-10:54 am

1 stop19h 42m

Raleigh-Durham

sáb 11/15

10:45 am-3:38 pm

1 stop5h 53m

$121

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

sáb 2/14

10:42 am-1:44 pm

Nonstop2h 02m

Raleigh-Durham

ter 2/17

10:00 am-11:28 am

Nonstop2h 28m

$169

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

qui 11/27

2:20 pm-5:23 pm

Nonstop2h 03m

Raleigh-Durham

qui 12/4

1:30 pm-2:55 pm

Nonstop2h 25m

$173

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

sex 12/5

10:00 am-1:00 pm

Nonstop2h 00m

Raleigh-Durham

dom 12/7

5:45 am-6:50 am

Nonstop2h 05m

$177

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

dom 1/11

9:50 am-12:40 pm

Nonstop1h 50m

Raleigh-Durham

qua 1/14

6:00 am-7:15 am

Nonstop2h 15m

$177

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

dom 1/25

9:50 am-12:40 pm

Nonstop1h 50m

Raleigh-Durham

qua 1/28

4:55 pm-6:00 pm

Nonstop2h 05m

$177

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

dom 1/11

11:00 am-2:02 pm

Nonstop2h 02m

Raleigh-Durham

qua 1/14

1:29 pm-2:55 pm

Nonstop2h 26m

$177

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

sex 1/23

11:00 am-2:02 pm

Nonstop2h 02m

Raleigh-Durham

dom 1/25

6:15 am-7:45 am

Nonstop2h 30m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 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, October is the cheapest month in which you can book a flight from Illinois to Durham (average of $64). Flying from Illinois to Durham in March is currently the most expensive (average of $228). 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 outubro 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Durham in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Illinois to Durham?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Durham. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Durham flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Illinois to Durham?

    A quick flight from Illinois to Durham can take about 2h. Frontier provides one of the quickest options available for as low as $177. The distance between Illinois and Durham is about 631 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $70 and $80, 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 (91%), Envoy Air (90%), Air New Zealand( 90%).

  • What are the cheapest flights from Illinois to Durham?

    On average you can expect to pay $347 for a flight from Illinois to Durham. The cheapest flight overall is $49 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $62.

  • 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, October is the cheapest month in which you can book a flight from Illinois to Durham (average of $64). Flying from Illinois to Durham in March is currently the most expensive (average of $228). 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 outubro 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$217FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$160Average$335FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$161Average$357FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$342FlexibilityNo cancel feeOn-timeN/A

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