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Durham

$77+ Cheap flights from Chicago (CHI) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RDU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Find cheap flights from Chicago to Durham with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Durham are usually found in July or November, booked 41 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Chicago to Durham

Keep the following information in mind while searching for Chicago to Durham flight deals. Data was last updated September 15, 2025.

Round-trip from

$107
(CheapOair)

One-way from

$77
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$246
From Chicago (CHI) to Durham
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One-way flight from Chicago (CHI) to Durham
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Highest demand for flights based on searches. 21% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Durham

Cheapest flights from Chicago to Durham
Explore the most affordable flight options available from Chicago to Durham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:36 amORD - RDU
Nonstop2h 14mFrontier
Mon 10/63:35 pmRDU - ORD
Nonstop2h 16mFrontier
Deal found 9/14$107
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/92:41 pmORD - RDU
Nonstop2h 06mFrontier
Sun 10/126:42 pmRDU - ORD
1 stop6h 44mFrontier
Deal found 9/13$108
This Frontier deal was found by Cheapflights users on 9/13. 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.
Wed 10/111:45 amORD - RDU
1 stop7h 52mFrontier
Sun 10/53:35 pmRDU - ORD
Nonstop2h 16mFrontier
Deal found 9/13$109
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/38:49 pmORD - RDU
1 stop12h 04mFrontier
Mon 10/63:35 pmRDU - ORD
Nonstop2h 16mFrontier
Deal found 9/13$110
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:50 pmORD - RDU
Nonstop2h 06mFrontier
Mon 11/1010:06 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 9/14$112
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 9/3011:13 amORD - RDU
1 stop6h 51mMultiple Airlines
Sun 10/53:35 pmRDU - ORD
Nonstop2h 16mMultiple Airlines
Deal found 9/13$114
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:41 pmORD - RDU
Nonstop2h 06mFrontier
Sat 10/2510:30 amRDU - ORD
1 stop6h 09mFrontier
Deal found 9/14$116
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/259:50 amORD - RDU
Nonstop2h 08mAmerican Airlines
Sat 10/256:23 pmRDU - ORD
Nonstop2h 22mAmerican Airlines
Deal found 9/13$117
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/288:05 amORD - RDU
1 stop8h 06mFrontier
Mon 10/63:35 pmRDU - ORD
Nonstop2h 16mFrontier
Deal found 9/13$119
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:41 pmORD - RDU
Nonstop2h 06mFrontier
Sun 10/129:44 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 9/14$120
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:14 pmORD - RDU
1 stop6h 35mFrontier
Mon 10/132:27 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 9/14$122
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:00 amORD - RDU
1 stop9h 17mFrontier
Mon 11/310:06 pmRDU - ORD
Nonstop2h 22mFrontier
Deal found 9/15$123

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 15, 2025.
Use the filters below to find and compare flights from Chicago to Durham that are best for you.

Fly from

Chicago

Fly to

Durham

Route

Depart

Return

Price

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 10/16

7:15 am-10:26 am

Nonstop2h 11m

Raleigh-Durham

Sat 10/18

5:27 pm-6:50 pm

Nonstop2h 23m

$133

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Wed 10/15

8:05 am-3:37 pm

1 stop6h 32m

Raleigh-Durham

Fri 10/17

7:15 pm-11:46 pm

1 stop5h 31m

$136

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sat 10/18

9:55 am-12:45 pm

Nonstop1h 50m

Raleigh-Durham

Wed 10/22

6:30 pm-7:30 pm

Nonstop2h 00m

$139

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 10/22

7:15 am-10:26 am

Nonstop2h 11m

Raleigh-Durham

Sat 10/25

1:11 pm-2:34 pm

Nonstop2h 23m

$139

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sun 9/28

6:21 am-5:11 pm

1 stop9h 50m

Raleigh-Durham

Sun 9/28

8:57 pm-7:23 am

1 stop11h 26m

$145

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Thu 9/25

6:20 am-5:38 pm

1 stop10h 18m

Raleigh-Durham

Wed 10/1

6:45 am-3:58 pm

1 stop10h 13m

$146

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Mon 9/22

6:21 am-5:11 pm

1 stop9h 50m

Raleigh-Durham

Fri 10/3

10:48 am-8:52 pm

1 stop11h 04m

$146

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Sat 10/11

10:50 am-2:01 pm

Nonstop2h 11m

Raleigh-Durham

Tue 10/14

12:40 pm-2:03 pm

Nonstop2h 23m

$149

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 10/23

7:15 am-10:26 am

Nonstop2h 11m

Raleigh-Durham

Sat 10/25

5:27 pm-6:50 pm

Nonstop2h 23m

$158

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 11/7

7:10 am-10:14 am

Nonstop2h 04m

Raleigh-Durham

Tue 11/11

1:30 pm-2:55 pm

Nonstop2h 25m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 43 results
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Best time to book a flight from Chicago to Durham

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

How far ahead should I book a flight from Chicago to Durham?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Durham. Price data was last updated on September 12, 2025.

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Durham. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Durham (average of $206). Flying from Chicago to Durham in March is currently the most expensive (average of $293). 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 CHI to DU8?

Find hourly flight availability from Chicago 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 September 15, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Durham. Price data was last updated on September 15, 2024.

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

Weekly flight availability from Chicago to Durham

Explore weekly flight availability from Chicago 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 September 15, 2025.

The most flights from CHI to DU8 are scheduled on a Sunday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

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 September 15, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Chicago to Durham by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Durham?

    There are many flights that can get you from Chicago to Durham in 1h 50m. Fly via United Airlines, Frontier, or Southwest to get the fastest option. The distance from Chicago to Durham is about 631 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $80 on United Airlines. Other airlines that offer cheap prices include Frontier from $88 and Southwest from $89 one-way.

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

    Consider United Airlines (83%), Air New Zealand (76%) or ANA (74%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Durham.

  • What are the cheapest flights from Chicago to Durham?

    On average you can expect to pay $342 for a flight from Chicago to Durham. The cheapest flight overall is $61 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $107.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Durham (average of $206). Flying from Chicago to Durham in March is currently the most expensive (average of $293). 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 Chicago 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 Chicago to Durham

Discover the top 5 airlines that operate flights from Chicago 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$202FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$159Average$343FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$161Average$360FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$163Average$331FlexibilityNo cancel feeOn-time69%
DeltaCheapest$266Average$342FlexibilityNo cancel feeOn-timeN/A

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