$109 Cheap Flights from Raleigh (RDU) to Chicago (ORD)

View $109 flight on Mon, Aug 17, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Raleigh to Chicago (RDU-ORD)

Prices were available within the past 7 days and start at $109 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 26 - Sat, Aug 29
RDU
Raleigh
ORD
Chicago
$218 Roundtrip, just found
$218
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 26 from Raleigh to Chicago, returning Sat, Aug 29, priced at $218 just found
Frontier Airlines
Thu, Jul 30 - Wed, Aug 5
RDU
Raleigh
ORD
Chicago
$223 Roundtrip, just found
$223
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jul 30 from Raleigh to Chicago, returning Wed, Aug 5, priced at $223 just found
Frontier Airlines
Sat, Sep 5 - Sat, Sep 12
RDU
Raleigh
ORD
Chicago
$227 Roundtrip, found 16 hours ago
$227
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Sep 5 from Raleigh to Chicago, returning Sat, Sep 12, priced at $227 found 16 hours ago
Frontier Airlines
Thu, Jul 30 - Mon, Aug 3
RDU
Raleigh
ORD
Chicago
$228 Roundtrip, just found
$228
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jul 30 from Raleigh to Chicago, returning Mon, Aug 3, priced at $228 just found
Frontier Airlines
Mon, Oct 12 - Wed, Nov 18
RDU
Raleigh
ORD
Chicago
$232 Roundtrip, found 3 hours ago
$232
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Raleigh to Chicago, returning Wed, Nov 18, priced at $232 found 3 hours ago
Frontier Airlines
Thu, Jul 30 - Wed, Aug 5
RDU
Raleigh
ORD
Chicago
$233 Roundtrip, just found
$233
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jul 30 from Raleigh to Chicago, returning Wed, Aug 5, priced at $233 just found
American Airlines
Sun, May 24 - Wed, May 27
RDU
Raleigh
ORD
Chicago
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, May 24 from Raleigh to Chicago, returning Wed, May 27, priced at $237 found 1 hour ago
United
Sun, May 24 - Wed, May 27
RDU
Raleigh
ORD
Chicago
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select United flight, departing Sun, May 24 from Raleigh to Chicago, returning Wed, May 27, priced at $237 found 1 hour ago
Delta
Sat, Jul 4 - Wed, Jul 8
RDU
Raleigh
ORD
Chicago
$243 Roundtrip, found 4 hours ago
$243
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Jul 4 from Raleigh to Chicago, returning Wed, Jul 8, priced at $243 found 4 hours ago
Southwest Airlines
Sun, May 24 - Wed, May 27
RDU
Raleigh
ORD
Chicago
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sun, May 24 from Raleigh to Chicago, returning Wed, May 27, priced at $257 found 1 hour ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $373
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $373

Frequently asked questions

How much does a flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $109 and cheap return flights from $218 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights usually range from $113 to $746, and return flights typically cost between $217 and $873. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from RDU to ORD is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Choose from 4 airlines operating direct flights from RDU to ORD:

  • American Airlines operates around 47 direct flights from RDU to ORD every week
  • United operates around 44 direct flights from RDU to ORD every week
  • Frontier Airlines operates around 7 direct flights from RDU to ORD every week
  • Japan Airlines operates around 7 direct flights from RDU to ORD every week

What is the cheapest airline that flies from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Raleigh, NC (RDU) to Chicago (ORD), starting from around $165. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Raleigh, NC (RDU) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines offers the most daily flights from RDU to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are approximately 13 nonstop flights per day from Raleigh - Durham Intl. (RDU) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Raleigh-Durham International Airport (RDU) to O'Hare International Airport (ORD) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in March and April, allowing you to start your day early and maximize your time in Chicago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Raleigh-Durham International Airport (RDU) to O'Hare International Airport (ORD) are in the morning, from 6am to 9am. About 22% of passengers prefer this time window. Many major carriers, including American Airlines and United, offer flights during this window. This timing works well because it allows you to arrive in Chicago with plenty of time to enjoy your day.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Flying nonstop from RDU to ORD takes around 2 hours 30 minutes, with the route covering approximately 646 miles. Flights with a layover typically take 3 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
First class is available on flights from RDU to ORD. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A direct, return business class ticket from Raleigh, NC (RDU) to Chicago, IL (ORD) typically costs between $787 - $1,266. A non-stop, one-way business class flight is usually around $348 - $526. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD) in Chicago. Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Orlando Intl. (MCO), Nashville Intl. (BNA) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$218
Distance
645 mi
Average flight time
1 hour 28 mins

Book with confidence

Raleigh to Chicago Flights

The cheapest times to fly from Raleigh to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Chicago are during the month of August. You can find some of the cheapest flights from Raleigh to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Chicago

Sunday is one of the best days to book for cheap flights from Raleigh to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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