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

Today's featured flight deals from Raleigh-Durham International Airport (RDU) to Chicago O'Hare Intl. Airport (ORD)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Raleigh to Chicago (RDU-ORD)

Prices were available within the past 7 days and start at $33 for one-way flights and $62 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Dec 5 - Fri, Dec 12
RDU
Raleigh
ORD
Chicago
$62 Roundtrip, found 1 hour ago
$62
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Raleigh to Chicago, returning Fri, Dec 12, priced at $62 found 1 hour ago
Frontier Airlines
Mon, Jan 12 - Sun, Jan 18
RDU
Raleigh
ORD
Chicago
$68 Roundtrip, found 11 hours ago
$68
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Raleigh to Chicago, returning Sun, Jan 18, priced at $68 found 11 hours ago
Frontier Airlines
Thu, Dec 4 - Thu, Dec 11
RDU
Raleigh
ORD
Chicago
$72 Roundtrip, found 1 hour ago
$72
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Chicago, returning Thu, Dec 11, priced at $72 found 1 hour ago
Frontier Airlines
Thu, Dec 4 - Fri, Dec 5
RDU
Raleigh
ORD
Chicago
$76 Roundtrip, found 8 hours ago
$76
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Chicago, returning Fri, Dec 5, priced at $76 found 8 hours ago
Frontier Airlines
Mon, Nov 24 - Thu, Dec 4
RDU
Raleigh
ORD
Chicago
$82 Roundtrip, found 2 hours ago
$82
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Raleigh to Chicago, returning Thu, Dec 4, priced at $82 found 2 hours ago
Frontier Airlines
Thu, Nov 13 - Fri, Dec 5
RDU
Raleigh
ORD
Chicago
$83 Roundtrip, found 3 days ago
$83
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Raleigh to Chicago, returning Fri, Dec 5, priced at $83 found 3 days ago
United
Tue, Dec 2 - Thu, Dec 11
RDU
Raleigh
ORD
Chicago
$108 Roundtrip, found 4 hours ago
$108
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 2 from Raleigh to Chicago, returning Thu, Dec 11, priced at $108 found 4 hours ago
American Airlines
Sat, Dec 6 - Sat, Dec 13
RDU
Raleigh
ORD
Chicago
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Dec 6 from Raleigh to Chicago, returning Sat, Dec 13, priced at $139 found 1 hour ago
Southwest Airlines
Sat, Jan 17 - Tue, Jan 20
RDU
Raleigh
ORD
Chicago
$169 Roundtrip, found 17 hours ago
$169
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Sat, Jan 17 from Raleigh to Chicago, returning Tue, Jan 20, priced at $169 found 17 hours ago
Spirit Airlines
Thu, Nov 13 - Sun, Dec 7
RDU
Raleigh
ORD
Chicago
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Nov 13 from Raleigh to Chicago, returning Sun, Dec 7, priced at $173 found 1 day ago

Find the cheapest month to fly from Raleigh (RDU) to Chicago (ORD)

September is typically the cheapest month to fly

From $88 - $143 per traveler.

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 $184
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $184

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 December. 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 $33 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 much does a flight from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $33 or cheap return flight from $62 from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from RDU to ORD is December, when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
Take a nonstop flight with American Airlines and go straight from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD).
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
While prices may vary depending on your travel dates, United Airlines and American Airlines are popular choices for flights between Raleigh - Durham Intl. Airport (RDU) and O'Hare Intl. Airport (ORD). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest fare for your RDU to ORD flight.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
With, on average, 7 nonstop flights departing from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD) every day, you'll be up in the air in no time.
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
Flights between RDU and ORD tend to be busiest at 10 AM. If you'd like a more relaxed atmosphere and possibly cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from RDU to ORD?
Fly on a Thursday if you're looking for the largest selection of flights from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
The earliest flight leaving Raleigh - Durham Intl. Airport (RDU) is at around 6:00AM UTC-5. Hop on this flight and you'll arrive at O'Hare Intl. Airport (ORD) at approximately 7:22AM UTC-6. The entire trip takes 2h 22m.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
It takes about 2 hours and 29 minutes to cover the 650 mi from RDU to ORD.
What airline has the least delays from RDU to ORD?
With 83% of journeys usually landing on time, United Airlines has the best on-time performance for nonstop flights from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD). To keep track of your flight status and get notifications about any changes, head to the Expedia App.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
To avoid possible delays on the Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from Raleigh - Durham Intl. Airport (RDU)?
If you're traveling on a direct flight from Raleigh - Durham Intl. Airport (RDU) to Chicago, you'll land at either O'Hare Intl. Airport (ORD) or Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute fares from RDU to ORD are generally more expensive. To secure the cheapest rates, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a RDU to ORD flight and hotel package?
Booking a RDU to ORD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add car rentals, activities and flights 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 - Durham Intl. Airport (RDU) to O'Hare Intl. Airport (ORD)?
You can usually cancel or reschedule your RDU to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.