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Durham

$68+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — RDU
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Durham are usually found in October or July, booked 75 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 December 26, 2025.

This Frontier deal was found by Cheapflights users on 12/24. 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 12/316:12 amMDW - RDU
1 stop4h 48mFrontier
Fri 1/21:15 pmRDU - MDW
1 stop9h 57mFrontier
Deal found 12/24$217
This Expedia deal was found by Cheapflights users on 12/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:14 pmORD - RDU
Nonstop2h 05mFrontier
Tue 1/64:20 pmRDU - ORD
1 stop24h 59mFrontier
Deal found 12/23$222
This Frontier deal was found by Cheapflights users on 12/24. 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 12/316:12 amMDW - RDU
1 stop4h 48mFrontier
Thu 1/112:55 pmRDU - MDW
1 stop10h 17mFrontier
Deal found 12/24$223
This Frontier deal was found by Cheapflights users on 12/24. 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 12/301:14 pmORD - RDU
Nonstop2h 05mFrontier
Wed 12/311:05 pmRDU - ORD
1 stop10h 19mFrontier
Deal found 12/24$229
This Frontier deal was found by Cheapflights users on 12/24. 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 12/316:05 amORD - RDU
1 stop4h 55mFrontier
Thu 1/112:55 pmRDU - ORD
1 stop6h 38mFrontier
Deal found 12/24$248
This Frontier deal was found by Cheapflights users on 12/24. 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.
Sun 12/286:10 amORD - RDU
Nonstop2h 05mFrontier
Wed 12/311:05 pmRDU - ORD
1 stop10h 19mFrontier
Deal found 12/24$254
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/316:21 pmORD - RDU
1 stop4h 23mUnited Airlines
Thu 1/18:29 amRDU - ORD
Nonstop2h 26mUnited Airlines
Deal found 12/24$257
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/301:14 pmORD - RDU
Nonstop2h 05mMultiple Airlines
Mon 1/57:20 pmRDU - ORD
1 stop14h 11mMultiple Airlines
Deal found 12/22$258
This Frontier deal was found by Cheapflights users on 12/23. 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 12/316:05 amORD - RDU
1 stop4h 55mFrontier
Sun 1/412:56 pmRDU - ORD
1 stop10h 28mFrontier
Deal found 12/23$271
This Frontier deal was found by Cheapflights users on 12/23. 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 12/301:14 pmORD - RDU
Nonstop2h 05mFrontier
Mon 1/51:15 pmRDU - ORD
1 stop10h 09mFrontier
Deal found 12/23$272
This Frontier deal was found by Cheapflights users on 12/24. 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.
Sun 12/286:10 amORD - RDU
Nonstop2h 05mFrontier
Thu 1/112:55 pmRDU - ORD
1 stop6h 38mFrontier
Deal found 12/24$279
This CheapOair deal was found by Cheapflights users on 12/23. 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 12/2810:50 pmMDW - RDU
1 stop18h 51mFrontier
Wed 12/311:05 pmRDU - MDW
1 stop10h 07mFrontier
Deal found 12/23$293

Find flight deals from Chicago to Durham

Keep the following information in mind while searching for Chicago to Durham flight deals. Data was last updated December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$148
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$289
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 Chicago (CHI) to Durham
Search Deals
One-way flight from Chicago (CHI) to Durham
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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

Sat 1/10

4:46 pm-12:12 am

1 stop6h 26m

Raleigh-Durham

Mon 1/12

6:16 pm-11:22 am

2 stops18h 06m

$147

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 2/27

6:19 pm-9:22 pm

Nonstop2h 03m

Raleigh-Durham

Sat 2/28

6:10 am-10:51 am

1 stop5h 41m

$148

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 1/16

4:41 pm-12:10 am

1 stop6h 29m

Raleigh-Durham

Thu 1/22

3:08 pm-10:36 pm

1 stop8h 28m

$157

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Thu 2/19

4:42 pm-12:10 am

1 stop6h 28m

Raleigh-Durham

Sat 2/21

6:10 am-10:46 am

1 stop5h 36m

$161

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Thu 1/8

12:41 pm-12:12 am

1 stop10h 31m

Raleigh-Durham

Mon 1/12

6:16 pm-10:17 pm

1 stop5h 01m

$162

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Fri 1/9

5:15 am-2:13 pm

1 stop7h 58m

Raleigh-Durham

Mon 1/12

3:08 pm-11:46 pm

1 stop9h 38m

$183

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Sat 2/14

5:20 am-11:10 am

1 stop4h 50m

Raleigh-Durham

Sat 2/14

6:30 pm-7:35 pm

Nonstop2h 05m

$187

ChicagoRaleigh

MDW - RDU

MDWRDU

Chicago Midway

Tue 1/13

6:23 am-5:13 pm

1 stop9h 50m

Raleigh-Durham

Tue 2/3

3:49 pm-12:05 pm

2 stops21h 16m

$204

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 1/7

6:05 pm-2:50 pm

1 stop19h 45m

Raleigh-Durham

Sun 1/11

10:11 pm-9:12 am

2 stops36h 01m

$208

ChicagoRaleigh

ORD - RDU

ORDRDU

Chicago O'Hare Intl

Wed 1/14

2:02 pm-5:04 pm

Nonstop2h 02m

Raleigh-Durham

Sat 1/17

1:29 pm-2:55 pm

Nonstop2h 26m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 40 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 December 19, 2025.

Booking 75 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, October is the cheapest month in which you can book a flight from Chicago to Durham (average of $75). Flying from Chicago to Durham in March is currently the most expensive (average of $230). 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 December 26, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Chicago to Durham by exploring options for tickets in the morning.

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 December 16, 2024.

Travelers seeking maximum savings on their Chicago to Durham flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons 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 December 26, 2025.

The most flights from CHI to DU8 are scheduled on a Thursday (21 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 December 26, 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
4,258 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,115 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,064 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,070 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 2h 03m. Fly via Frontier, Spirit Airlines, or Southwest to get the fastest option. The distance from Chicago to Durham is about 645 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 $52 on Frontier. Other airlines that offer cheap prices include American Airlines from $88 and Southwest from $94 one-way.

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

    Consider Air New Zealand (79%), ANA (71%) or Alaska Airlines (69%) 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 $413 for a flight from Chicago to Durham. The cheapest flight overall is $77 while the most popular route, (Chicago O'Hare Intl - Raleigh-Durham) is currently priced at $92.

  • 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, October is the cheapest month in which you can book a flight from Chicago to Durham (average of $75). Flying from Chicago to Durham in March is currently the most expensive (average of $230). 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

Browse thousands of different options on Cheapflights for your next trip

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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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$219FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$312FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$307FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$174Average$326FlexibilityNo cancel feeOn-time63%
DeltaCheapest$223Average$268FlexibilityNo cancel feeOn-timeN/A

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