$64 Cheap Flights from Raleigh (RDU) to Chicago (ORD)

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Find available prices by choosing your travel dates.

Cheap Flights from Raleigh to Chicago (RDU-ORD)

Prices were available within the past 7 days and start at $64 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
United
Spirit Airlines
Frontier Airlines
American Airlines
Frontier Airlines
American Airlines
United
Spirit Airlines
Southwest Airlines
Flights from Raleigh (RDU) to Chicago (ORD)
Origin airport
Raleigh - Durham Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$138
Distance
645 mi

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 May. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $64 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.

Frequently asked questions

How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to O'Hare Airport?
American Airlines operates a direct flight heading off from RDU at 6:00AM and coming in to land at O’Hare Intl. Airport (ORD) at 7:19AM — a total flight time of 2 hours and 19 minutes. Secure the seat that’s perfect for you, pack something to keep you amused and the time will race by.
Is it cheaper to buy a plane ticket from Raleigh--Durham Airport to ORD last minute?
When it’s time to book your flights, being prepared pays off. While it’s possible to find a deal on a Raleigh - Durham Intl. Airport (RDU) to ORD flight at the last minute, fares usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it’s between three and four months.
What airline has the least delays from Raleigh - Durham Intl. Airport (RDU) to ORD?
If you don’t want to be stuck at the airport for hours — or worse, your vacation plans shelved due to a flight delay — choose American Airlines. Around 92% of its Raleigh–Durham Airport to O’Hare Intl. Airport (ORD) services land on time. You can check your flight status before making your way to the airport through the Expedia App. It’ll also provide you with real-time alerts about things like gate changes, luggage carousel numbers and how to get to your hotel. Everything you need to know is right there in your pocket!
What airports do you fly into for Chicago from Raleigh?
With O’Hare Intl. Airport (ORD), Midway Intl. Airport (MDW) and Lewis University Airport (LOT) to pick from, traveling from Raleigh to Chicago is a cinch. The city’s main hub, O’Hare Intl. Airport (ORD), is about 16 mi northwest of the downtown area. Besides ticket costs, consider things like train or bus options from the airport and the distance to your hotel when deciding where to land. Get your Chicago vacation off to an exciting start by checking out Wrigley Field and Millennium Park.
What are the most popular departure times for flights from Raleigh--Durham Airport to O'Hare Intl. Airport (ORD)?
For American Airlines flights jetting out from RDU to ORD, the busiest period is between 6:00 AM - 7:00 AM. If you want to avoid holdups, book a morning flight. This allows you to dodge air traffic that builds up in the skyways in the afternoon and evening.
Can I change the date of my flight from Raleigh--Durham Airport to O'Hare Airport?
Plans can get upended, so Expedia is here to help make amending your journey easy. First, find your RDU to O’Hare Airport itinerary through the Expedia Trips portal and look up the fare rules and restrictions about what changes you can make. If you purchased your ticket in the last 24 hours, some carriers will let you cancel at no cost and organize new flights. If you bought your ticket more than 24 hours ago, connect with us through our Customer Service portal to find out your options.

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