HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$1,378+ Cheap flights from Chengdu (CTU) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CTU — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chengdu to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chengdu to Illinois

Keep the following information in mind while searching for Chengdu to Illinois flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,378
(Air China)
From Chengdu to Illinois
Search Deals

Find flight deals from Chengdu to Illinois

Best flights from Chengdu to Illinois
Discover carefully curated flight deals from Chengdu to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

This Air China deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 amCTU - ORD
2 stops24h 53mAir China
Sun 3/87:15 amORD - CTU
2 stops39h 10mAir China
Deal found 9/15$1,378
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:30 amCTU - STL
2 stops23h 14mUnited Airlines
Tue 2/245:25 pmSTL - CTU
2 stops39h 00mUnited Airlines
Deal found 9/13$2,907

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chengdu to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Chengdu to Illinois that are best for you.

Fly from

Chengdu

Fly to

Illinois

Route

Depart

Return

Price

ChengduChicago

CTU - ORD

CTUORD

Chengdu

Wed 3/4

8:00 am-6:53 pm

2 stops24h 53m

Chicago O'Hare Intl

Sun 3/8

7:15 am-11:25 am

2 stops39h 10m

$1,378

ChengduSt. Louis

CTU - STL

CTUSTL

Chengdu

Fri 2/20

7:30 am-4:44 pm

2 stops23h 14m

Lambert-St Louis

Tue 2/24

5:25 pm-10:25 pm

2 stops39h 00m

$2,907

ChengduChicago

CTU - ORD

CTUORD

Chengdu

Sun 11/30

7:00 am-6:50 pm

2 stops25h 50m

$3,512

ChengduChicago

CTU - ORD

CTUORD

Chengdu

Sun 11/30

9:00 pm-3:10 pm

2 stops32h 10m

$3,846

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Chengdu to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Chengdu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chengdu to Illinois
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chengdu to Illinois. 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 Chengdu to Illinois?

    Chengdu (CTU), located 9.4 mi from the city center, is the airport you fly out of when you book flights from Chengdu to Illinois.

  • How long is the flight from Chengdu to Illinois?

    Air China and United Airlines can get you from Chengdu to Illinois in just under 23h 14m. Your travel time can differ by up to 1h 39m. Chengdu and Illinois are separated by a distance of 7553 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Chengdu to Illinois?

    The most popular flight routes from Chengdu to Illinois are Chengdu - Chicago O'Hare Intl, Chengdu - Chicago Midway and Chengdu - Lambert-St Louis.

  • Can I find deals for flights from Chengdu to Illinois that include hotel bookings?

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

  • How can I find direct flights from Chengdu to Illinois?

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

  • Can I find deals for business class flights from Chengdu to Illinois?

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

  • What is the cheapest month to book a flight from Chengdu to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chengdu to Illinois (average of $245). Flying from Chengdu to Illinois 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chengdu to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Chengdu to San Francisco flights
Chengdu to John F Kennedy Intl flights
Chengdu to Hobby flights
Chengdu to Newark flights
Chengdu to San Jose flights
Chengdu to Boston flights
Chengdu to Seattle flights
Chengdu to Los Angeles flights
Chengdu to Dallas/Fort Worth flights
Chengdu to Oakland flights
Chengdu to Orlando flights
Chengdu to Miami flights
Chengdu to Austin flights
Chengdu to O'Hare Intl flights
Chengdu to San Diego flights
Chengdu to Dulles Intl flights
Chengdu to Reagan-National flights
Chengdu to Honolulu flights
Chengdu to Raleigh flights
Chengdu to Atlanta flights
Chengdu to Richmond flights
Chengdu to Charlotte flights
Chengdu to Baltimore flights
Chengdu to Nashville flights
Chengdu to Birmingham flights
Chengdu to Salt Lake City flights
Chengdu to St. Louis flights
Chengdu to Knoxville flights
Chengdu to Las Vegas flights
Chengdu to Lihue flights
Chengdu to Kansas City flights
Chengdu to Detroit flights
Chengdu to Pittsburgh flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.