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$89+ Cheap flights from Durham, NC to Illinois

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Durham to Illinois

Keep the following information in mind while searching for Durham to Illinois flight deals. Data was last updated April 22, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$186
(Cheapflightsfares)

One-way from

$89
(Frontier)

Popular in

March

Cheapest in

August

Average price

$308
Provider with most accurate pricing for Raleigh-Durham-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Chicago (CHI) flights.
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From Durham to Illinois
Search Deals
One-way flight from Durham to Illinois
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($69 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 April 2025
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Find flight deals from Durham to Illinois

Cheapest flights from Durham to Illinois
Explore the most affordable flight options available from Durham to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/313:26 pmRDU - ORD
Nonstop2h 25mFrontier
Sun 8/311:26 amORD - RDU
Nonstop2h 10mFrontier
Deal found 4/22$186
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:42 pmRDU - MDW
1 stop5h 20mFrontier
Sun 5/259:50 amMDW - RDU
1 stop5h 09mFrontier
Deal found 4/22$186
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:09 pmRDU - ORD
Nonstop2h 33mAmerican Airlines
Sun 5/254:01 pmORD - RDU
Nonstop1h 57mAmerican Airlines
Deal found 4/22$189
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:25 amRDU - MDW
Nonstop2h 05mSouthwest
Sat 6/71:10 pmMDW - RDU
Nonstop1h 50mSouthwest
Deal found 4/22$193
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:39 amRDU - ORD
1 stop4h 16mDelta
Tue 6/2411:00 amORD - RDU
1 stop5h 38mDelta
Deal found 4/22$197
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:25 amRDU - MDW
1 stop4h 16mDelta
Tue 6/246:20 pmMDW - RDU
1 stop3h 57mDelta
Deal found 4/22$197
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:30 pmRDU - ORD
Nonstop2h 25mUnited Airlines
Sat 5/1710:40 amORD - RDU
Nonstop2h 05mUnited Airlines
Deal found 4/22$199
This Mytrip deal was found by Cheapflights users on 4/20. 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.
Thu 6/58:50 amRDU - ORD
1 stop6h 16mSpirit Airlines
Thu 6/129:28 pmORD - RDU
1 stop19h 13mSpirit Airlines
Deal found 4/20$200
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/73:26 pmRDU - ORD
Nonstop2h 25mMultiple Airlines
Mon 8/118:00 amORD - RDU
1 stop10h 48mMultiple Airlines
Deal found 4/22$201
This JetBlue deal was found by Cheapflights users on 4/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:52 amRDU - ORD
1 stop6h 12mJetBlue
Sat 5/174:03 pmORD - RDU
1 stop6h 18mJetBlue
Deal found 4/22$213
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/289:20 amRDU - PIA
1 stop6h 58mUnited Airlines
Sun 6/293:39 pmPIA - RDU
1 stop4h 48mUnited Airlines
Deal found 4/21$224
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:00 amRDU - PIA
2 stops6h 45mAmerican Airlines
Sat 5/316:10 amPIA - RDU
2 stops6h 50mAmerican Airlines
Deal found 4/22$235

Cheapflights Fare Finder

Customize your flight search to find flights from Durham to Illinois 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 April 22, 2025.
Use the filters below to find and compare flights from Durham to Illinois that are best for you.

Fly from

Durham

Fly to

Illinois

Route

Depart

Return

Price

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

Sat 5/24

5:42 pm-10:02 pm

1 stop5h 20m

Chicago Midway

Sun 5/25

9:50 am-3:59 pm

1 stop5h 09m

$186

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sat 5/24

4:09 pm-5:42 pm

Nonstop2h 33m

Chicago O'Hare Intl

Sun 5/25

4:01 pm-6:58 pm

Nonstop1h 57m

$189

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sat 5/31

6:36 pm-12:17 am

1 stop6h 41m

Chicago O'Hare Intl

Mon 6/2

11:32 am-2:39 pm

Nonstop2h 07m

$190

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

Mon 6/2

6:25 am-7:30 am

Nonstop2h 05m

Chicago Midway

Sat 6/7

1:10 pm-4:00 pm

Nonstop1h 50m

$193

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sat 6/14

9:39 am-12:55 pm

1 stop4h 16m

Chicago O'Hare Intl

Tue 6/24

11:00 am-5:38 pm

1 stop5h 38m

$197

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

Sat 6/14

6:25 am-9:41 am

1 stop4h 16m

Chicago Midway

Sat 6/21

6:00 am-2:23 pm

1 stop7h 23m

$197

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Tue 5/13

5:30 pm-6:55 pm

Nonstop2h 25m

Chicago O'Hare Intl

Sat 5/17

10:40 am-1:45 pm

Nonstop2h 05m

$199

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Thu 6/5

8:50 am-2:06 pm

1 stop6h 16m

Chicago O'Hare Intl

Thu 6/12

9:28 pm-5:41 pm

1 stop19h 13m

$200

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Thu 6/5

8:50 am-2:06 pm

1 stop6h 16m

Chicago O'Hare Intl

Fri 6/6

6:17 pm-10:43 am

1 stop15h 26m

$205

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Tue 5/13

9:52 am-3:04 pm

1 stop6h 12m

Chicago O'Hare Intl

Sat 5/17

4:03 pm-11:21 pm

1 stop6h 18m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
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Best time to book a flight from Durham to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Durham to Illinois (average of $245). Flying from Durham to Illinois in March is currently the most expensive (average of $321). 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 DU8 to IL?

Find hourly flight availability from Durham to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

When flying from Durham to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Durham to Illinois

Explore weekly flight availability from Durham to Illinois. 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 April 22, 2025.

The most flights from DU8 to USIL are scheduled on a Tuesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 22, 2025.
Read through reviews of airlines operating flights from Durham to Illinois, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Durham to Illinois. 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 Durham to Illinois one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $91 and $91 on United Airlines and Southwest, respectively.

  • What are the most popular routes from Durham to Illinois?

    The most popular flight routes from Durham to Illinois are Raleigh-Durham - Chicago O'Hare Intl, Raleigh-Durham - Chicago Midway and Raleigh-Durham - Lambert-St Louis.

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

    No one likes to see their flight delayed. When booking a flight from Durham to Illinois consider choosing SkyWest Airlines (100%), Republic Airways (88%) or ANA (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Durham to Illinois?

    Looking at all options, your cheapest flight can be booked for $80. While the most popular route (Raleigh-Durham - Chicago O'Hare Intl) can be booked for $128 on average our data indicates $924 when flying from Durham to Illinois.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Durham to Illinois (average of $245). Flying from Durham to Illinois in March is currently the most expensive (average of $321). 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 Durham to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Durham to Illinois

Discover the top 6 airlines that operate flights from Durham to Illinois. 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$140FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$249FlexibilityNo cancel feeOn-time65%
DeltaCheapest$102Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$139Average$347FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$145Average$392FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$160Average$334FlexibilityNo cancel feeOn-time63%

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