How much does it cost to fly round-trip from Raleigh to Chicago?

Airfare is below average for this route at the moment. Raleigh to Chicago flights typically cost between $159 and $275 in October. The cheapest round-trip price found within the last 3 days was $129 on Frontier (Oct 2-Oct 4).

How long is the flight from Raleigh to Chicago?

A quick flight from Raleigh to Chicago can take about 2h 05m. United Airlines provides one of the quickest options available for as low as $133. Raleigh and Chicago are separated by a distance of 631 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Raleigh to Chicago round-trip?

Flying on Frontier is currently your cheapest option to Chicago, with prices starting at $74. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $98 and $98, respectively. Users have found that Frontier is 73% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Raleigh to Chicago one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Raleigh to Chicago for a low price.

How far ahead should I book a flight from Raleigh to Chicago?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Raleigh to Chicago?

Currently, August is the cheapest month in which you can book a flight from Raleigh to Chicago (average of $245). Flying from Raleigh to Chicago 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 day to fly from Raleigh to Chicago?

Travelers seeking maximum savings on their Raleigh to Chicago flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Raleigh to Chicago

The most flights from RDU to CHI are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular routes from Raleigh to Chicago?

The most popular flight routes from Raleigh to Chicago are Raleigh-Durham - Chicago O'Hare Intl, Raleigh-Durham - Chicago Midway and Raleigh-Durham - Chicago Greater Rockford.

What are the cheapest flights from Raleigh to Chicago?

Looking for the cheapest flight from Raleigh to Chicago? While on average our users pay $888, our data indicates the cheapest price to be $77. The most popular route (Raleigh-Durham - Chicago O'Hare Intl), is priced around $117.

What are the most reliable airlines from Raleigh to Chicago?

Consider SWISS (92%), ANA (85%) or Japan Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from Raleigh to Chicago.

What are the most popular airlines that fly from Raleigh to Chicago?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Raleigh to Chicago.

What is the cheapest day to fly round-trip from Raleigh to Chicago?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Raleigh to Chicago?

To save on the cost of your flight from Raleigh to Chicago, book at least 56 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $237 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $261.

What is the cheapest month to fly from Raleigh to Chicago?

Flights from Raleigh to Chicago lean towards being more expensive in March. Prices are generally better when you fly from Raleigh to Chicago in September, with the cheapest ticket starting at $96.

What is the cheapest time of day to fly from RDU to CHI?

One of the essential ways to save on airfare from Raleigh to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.

What airport do you fly from for flights from Raleigh to Chicago?

Raleigh-Durham (RDU) is the airport you will fly out of if you book a flight from Raleigh to Chicago. You should not have trouble finding flights to Chicago from Raleigh-Durham; the airport handles an average of 22 outbound flights to Chicago per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Raleigh airport to Chicago. It is only a 11.1 mi journey to Raleigh-Durham (RDU) from Raleigh’s city center.

Can I find deals for flights from Raleigh to Chicago that include hotel bookings?

Yes. In addition to deals on Raleigh to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Raleigh to Chicago?

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

Can I find deals for business class flights from Raleigh to Chicago?

Yes. Cheapflights offers flight deals from Raleigh to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$77+ Flights from Raleigh to Chicago

Round-trip from	$129 (CheapOair)
One-way from	$77 (Frontier)
Popular in	March
Cheapest in	September
Average price	$213
Good round-trip deal	$209 or less
Good one-way deal	$136 or less

RDU

RDU's compact layout makes navigating its two terminals easy. Know your terminal in advance to streamline your departure process.

ORD

At ORD, take the free shuttle train between terminals to navigate the sprawling airport layout efficiently.

MDW

Use the Orange Line train for a quick, affordable ride to downtown Chicago from MDW, taking less than 30 minutes.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$74	Average$185	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$98	Average$279	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$98	Average$302	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$167	Average$375	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$168	Average$302	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$181	Average$319	FlexibilityNo cancel fee	On-time63%

$77+ Cheap flights from Raleigh (RDU) to Chicago (CHI)

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.

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Cheapflights Tip: The best prices from Raleigh-Durham to Chicago are usually found in September or August, booked 82 days in advance, depart on a Thursday or Friday and return on a Thursday

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Cheapest flights from Raleigh to ChicagoExplore the most affordable flight options available from Raleigh to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

Explore the most affordable flight options available from Raleigh to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

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The best insider tips for Raleigh to Chicago flights

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Best time to book a flight from Raleigh to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Raleigh with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Chicago

How far ahead should I book a flight from Raleigh to Chicago?

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

What is the cheapest month to book a flight from Raleigh to Chicago?

What is the cheapest time of day to fly from RDU to CHI?

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

What is the cheapest day to fly from Raleigh to Chicago?

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

Weekly flight availability from Raleigh to Chicago

Explore weekly flight availability from Raleigh to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 11, 2025.

How much does it cost to fly round-trip from Raleigh to Chicago?

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Raleigh to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Chicago. 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?

How long is the flight from Raleigh to Chicago?

What are the cheapest airlines flying from Raleigh to Chicago round-trip?

What are the cheapest airlines to fly from Raleigh to Chicago one-way?

What are the most popular routes from Raleigh to Chicago?

What are the most reliable airlines from Raleigh to Chicago?

What are the cheapest flights from Raleigh to Chicago?

Can I find deals for flights from Raleigh to Chicago that include hotel bookings?

How can I find direct flights from Raleigh to Chicago?

Can I find deals for business class flights from Raleigh to Chicago?

What is the cheapest month to book a flight from Raleigh to Chicago?

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