Cheap Flights from Raleigh / Durham (RDU) to Chicago O'Hare International (ORD)

Compare Raleigh / Durham to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

Flight deals from Raleigh / Durham to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Raleigh / Durham to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Chicago O'Hare International flights are currently cheapest in January.

Direct flights from Raleigh / Durham to Chicago O'Hare International

Raleigh / Durham to Chicago O'Hare International: Alternative routes

Compare routes from Raleigh / Durham to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Durham to Chicago: Flight information

The things to know before you go.
Cheapest flight found£54
Cheapest month to flyJanuary
Average flight time2 hrs, 33 mins
Most popular airlineAmerican Airlines
Average flights per week451

Finding cheap flights from Raleigh / Durham to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Raleigh / Durham to Chicago O'Hare International is £54. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 33 minutes is the average flight time from Raleigh / Durham to Chicago O'Hare International.
American Airlines, Alaska Airlines and Qatar Airways fly direct from Raleigh / Durham to Chicago O'Hare International.
As of December 2025, there are 278 flights per week flying from Raleigh / Durham to Chicago O'Hare International.
The cheapest month to fly from Raleigh / Durham to Chicago O'Hare International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Chicago O'Hare International Airport on Thursday, 15 January 2026.
Yes – the average flight time is 2 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Chicago O'Hare International.

Flying from Raleigh-Durham International Airport (RDU) to O'Hare International Airport (ORD): what you need to know

  • Jump on a direct flight from Raleigh-Durham International Airport to O'Hare International Airport and you'll be in the air for an average of 2 hours 20 minutes.

  • Chicago's timezone is UTC-5, making Chicago one hour behind Durham.

  • Each week, there are 91 Raleigh-Durham International Airport to O'Hare International Airport flights. If you'd like to take off as soon as possible, take the 06:05 American Airlines flight. If you're eager to make the most of your time before flying, the latest flight is at 18:21 with American Airlines.

  • Get to the airport on time so you don't miss your RDU to ORD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak month like July? Major public holidays and other popular seasons can mean longer lines and delays at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • You can fly nonstop to Chicago, United States. Prepare for takeoff with one of these airlines that operate direct flights from Raleigh-Durham International Airport to O'Hare International Airport:

  • American Airlines is the airline most travellers choose for this route.

  • United Airlines ranks as the leading on-time carrier for RDU to ORD flights, with 85.48% of services arriving on schedule.

  • Consider adding a stopover when booking your ticket from Raleigh-Durham International Airport to O'Hare International Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between RDU and ORD:

    • Charlotte Douglas International Airport

    • Detroit Metropolitan Wayne County Airport

    • Baltimore/Wash International Thurgood Marshall Airport

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to O'Hare International Airport (ORD)

  • £25 is currently the lowest price for a one-way Raleigh-Durham International Airport to O'Hare International Airport flight. Return flights start from £54. These prices may change depending on availability.

  • To score cheap tickets from RDU to ORD, reserve your journey six months before your planned departure.

  • Plan your trip for May. That's the cheapest month for flights from Raleigh-Durham International Airport to O'Hare International Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across each month.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as the price changes on cheap flights from RDU to ORD.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Raleigh-Durham International Airport to O'Hare International Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • Raleigh-Durham International Airport gets high marks for its on-time performance. 80.09% of flights that take off from RDU land on time.

  • Central Durham to Raleigh-Durham International Airport is around 14 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey when using public transport typically takes 1 hour 10 minutes.

  • Booked an early flight from Raleigh-Durham International Airport to O'Hare International Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels near RDU:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • The address for ORD is 10000 West O'Hare.

  • O'Hare International Airport to central Chicago has a drive time of about 35 minutes. It's approximately 25 miles away.

  • Getting to the centre by public transport will take you roughly 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • August is the most popular month for flights from Raleigh-Durham International Airport to O'Hare International Airport. To escape the crowds, visit Chicago in January.

  • When booking your flight from Raleigh-Durham International Airport to O'Hare International Airport, think about the kind of weather you enjoy. July is the warmest month in Chicago, with the temperature ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • Look for cheap tickets from RDU to ORD in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

Explore more of United States

  • You've seen Chicago, now it's time to discover more of United States. Journey about 280 miles south-east to Columbus to tick off its leading sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, you'll have a full itinerary ahead.

  • If you're interested in discovering another side of United States, consider Indianapolis, roughly 160 miles south-east of Chicago. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.