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O'Hare Intl

$77+ Cheap flights from Raleigh (RDU) to O'Hare Intl (ORD)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Chicago O'Hare Intl are usually found in September or October, booked 78 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Raleigh to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$129
(CheapOair)

One-way from

$77
(Frontier)

Popular in

March

Cheapest in

September

Average price

$217

Good round-trip deal

$238 or less

Good one-way deal

$136 or less
From Raleigh-Durham to Chicago O'Hare Intl
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One-way flight from Raleigh-Durham to Chicago O'Hare Intl
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Highest demand for flights based on searches. 21% potential increase in price ($82 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 September 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Raleigh-Durham to Chicago O'Hare Intl.
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Find flight deals from Raleigh to O'Hare Intl

Cheapest flights from Raleigh to O'Hare Intl
Explore the most affordable flight options available from Raleigh to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/11. 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 10/23:35 pmRDU - ORD
Nonstop2h 16mFrontier
Sat 10/45:40 pmORD - RDU
1 stop4h 55mFrontier
Deal found 9/11$129
This Priceline deal was found by Cheapflights users on 9/10. 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.
Thu 10/169:44 pmRDU - ORD
Nonstop2h 22mMultiple Airlines
Sun 10/195:05 amORD - RDU
1 stop8h 15mMultiple Airlines
Deal found 9/10$131
This CheapOair deal was found by Cheapflights users on 9/10. 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.
Fri 10/242:27 pmRDU - ORD
Nonstop2h 22mFrontier
Sun 11/21:50 pmORD - RDU
Nonstop2h 06mFrontier
Deal found 9/10$132
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/226:15 amRDU - ORD
Nonstop2h 23mUnited Airlines
Fri 10/246:20 pmORD - RDU
Nonstop2h 23mUnited Airlines
Deal found 9/11$133
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/46:08 pmRDU - ORD
Nonstop2h 28mAmerican Airlines
Mon 10/68:45 pmORD - RDU
Nonstop2h 08mAmerican Airlines
Deal found 9/10$135
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/169:44 pmRDU - ORD
Nonstop2h 22mFrontier
Sun 10/191:14 pmORD - RDU
1 stop6h 35mFrontier
Deal found 9/11$136
This Priceline deal was found by Cheapflights users on 9/9. 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.
Thu 10/3010:06 pmRDU - ORD
Nonstop2h 22mMultiple Airlines
Sun 11/25:05 amORD - RDU
1 stop8h 15mMultiple Airlines
Deal found 9/9$137
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 10/23:35 pmRDU - ORD
Nonstop2h 16mFrontier
Mon 10/611:36 amORD - RDU
Nonstop2h 14mFrontier
Deal found 9/9$138
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/23:35 pmRDU - ORD
Nonstop2h 16mFrontier
Sun 10/511:36 amORD - RDU
Nonstop2h 14mFrontier
Deal found 9/10$139
This Frontier deal was found by Cheapflights users on 9/9. 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 10/53:35 pmRDU - ORD
Nonstop2h 16mFrontier
Mon 10/611:36 amORD - RDU
Nonstop2h 14mFrontier
Deal found 9/9$140
This Priceline deal was found by Cheapflights users on 9/8. 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.
Mon 9/223:35 pmRDU - ORD
Nonstop2h 16mFrontier
Tue 9/2311:45 amORD - RDU
1 stop7h 52mFrontier
Deal found 9/8$141

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to O'Hare Intl 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 11, 2025.
Use the filters below to find and compare flights from Raleigh to Chicago O'Hare Intl Airport that are best for you.

Fly from

Raleigh

Fly to

O'Hare Intl

Route

Depart

Return

Price

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Mon 10/6

6:15 am-7:38 am

Nonstop2h 23m

Chicago O'Hare Intl

Wed 10/8

6:20 pm-9:43 pm

Nonstop2h 23m

$133

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sun 10/12

6:15 am-7:38 am

Nonstop2h 23m

Chicago O'Hare Intl

Wed 10/15

7:15 am-10:26 am

Nonstop2h 11m

$133

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Thu 10/23

10:00 am-11:23 am

Nonstop2h 23m

Chicago O'Hare Intl

Sat 10/25

7:10 am-10:28 am

Nonstop2h 18m

$133

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sun 11/9

6:30 am-7:56 am

Nonstop2h 26m

Chicago O'Hare Intl

Tue 11/11

11:05 am-2:08 pm

Nonstop2h 03m

$133

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Wed 10/22

6:15 am-7:38 am

Nonstop2h 23m

Chicago O'Hare Intl

Wed 10/29

11:05 am-2:08 pm

Nonstop2h 03m

$139

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Sat 10/25

1:11 pm-2:34 pm

Nonstop2h 23m

Chicago O'Hare Intl

Sun 10/26

7:00 am-2:08 pm

1 stop6h 08m

$143

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Mon 12/8

6:00 am-11:50 am

1 stop6h 50m

Chicago O'Hare Intl

Fri 12/12

7:10 am-10:14 am

Nonstop2h 04m

$159

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Fri 10/3

10:36 am-2:34 pm

1 stop4h 58m

Chicago O'Hare Intl

Sun 10/5

7:15 am-10:26 am

Nonstop2h 11m

$159

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Thu 1/29

3:02 pm-6:37 pm

1 stop4h 35m

Chicago O'Hare Intl

Mon 2/2

8:50 am-2:06 pm

1 stop4h 16m

$164

RaleighChicago

RDU - ORD

RDUORD

Raleigh-Durham

Tue 10/7

5:27 pm-6:50 pm

Nonstop2h 23m

Chicago O'Hare Intl

Wed 10/8

10:50 am-2:01 pm

Nonstop2h 11m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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The best insider tips for Raleigh to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Chicago O'Hare Intl Airport trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, ideal for a comfortable short-haul flight experience.


United's Basic Economy restricts carry-ons; consider this when booking for efficiency.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus guarantees an empty middle seat for added comfort.


Frontier's Zone 1 boarding available with carry-on purchase, ensuring quicker boarding.

Read more about Frontierby Marisa Garcia
Airports
RDU

RDU offers free Wi-Fi throughout the terminals. Connect to 'RDU Free WiFi' for seamless browsing before your flight.

Read more about RDUby John Walton
ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on RDU

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Best time to book a flight from Raleigh to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Raleigh 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 Raleigh to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Raleigh to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to O'Hare Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Raleigh to Chicago O'Hare Intl Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Raleigh to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Raleigh to Chicago O'Hare Intl Airport (average of $245). Flying from Raleigh to Chicago O'Hare Intl Airport 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 RDU to ORD?

Find hourly flight availability from Raleigh to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Raleigh to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 72% versus a flight at noon.

What is the cheapest day to fly from Raleigh to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to O'Hare Intl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Raleigh to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Raleigh to Chicago O'Hare Intl Airport, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Raleigh to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Raleigh to Chicago O'Hare Intl?

    Most people fly from Raleigh-Durham (RDU) if they book a flight from Raleigh to Chicago O'Hare Intl. On average, Raleigh-Durham has 20 outbound flights to Chicago O'Hare Intl per day from 5 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

  • How long is the flight from Raleigh to Chicago O'Hare Intl Airport?

    A quick flight from Raleigh to Chicago O'Hare Intl Airport can take about 2h 23m. United Airlines provides one of the quickest options available for as low as $133. There are 645 mi between Raleigh and Chicago O'Hare Intl Airport. All flights are typically nonstop.

  • What are the cheapest airlines flying from Raleigh to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from Raleigh to Chicago O'Hare Intl Airport round-trip from $74. Other airlines that can offer you cheap pricing are Spirit Airlines, from $98, and Delta, from $98. Users have found that Frontier is 74% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Raleigh to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Raleigh, check out the most reliable airlines to get you to your destination on time: SWISS (92%), ANA (85%), Japan Airlines( 84%).

  • What are the cheapest flights from Raleigh to Chicago O'Hare Intl Airport?

    While on average a flight from Raleigh to Chicago O'Hare Intl Airport is generally $888, our data shows the cheapest flight currently is $77. When looking at the most popular route, (Raleigh-Durham - Chicago O'Hare Intl), you can expect to pay $117 for that flight.

  • Can I find deals for flights from Raleigh to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Raleigh to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to O'Hare Intl.

  • Can I find deals for business class flights from Raleigh to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Raleigh to O'Hare Intl 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 Raleigh to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Raleigh to Chicago O'Hare Intl Airport (average of $245). Flying from Raleigh to Chicago O'Hare Intl Airport 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Raleigh to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Raleigh to O'Hare Intl

Discover the top 5 airlines that operate flights from Raleigh to O'Hare Intl. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$180FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$279FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$286FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$167Average$327FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$168Average$302FlexibilityNo cancel feeOn-time71%

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