Capital

$435+ Cheap flights from Illinois to Capital, China (PEK)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PEK
Jan 14 — Jan 211
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Cheap flight deals from Illinois to Capital

Cheapest flights from Illinois to Capital
Explore the most affordable flight options available from Illinois to Capital. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:40 pmORD - PEK
1 stop36h 40mAir Canada
Sun 1/118:05 pmPEK - ORD
2 stops34h 59mAir Canada
Deal found 12/13$1,190
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/309:15 pmORD - PEK
2 stops67h 20mUnited Airlines
Sat 1/1011:40 amPEK - ORD
2 stops26h 19mUnited Airlines
Deal found 12/14$1,504
This Ovago deal was found by Cheapflights users on 12/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:35 pmORD - PEK
1 stop30h 10mCathay Pacific
Sun 12/213:25 amPEK - ORD
1 stop23h 30mCathay Pacific
Deal found 12/14$1,604
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amORD - PEK
2 stops37h 45mMultiple Airlines
Sat 1/1710:50 amPEK - ORD
2 stops27h 00mMultiple Airlines
Deal found 12/14$1,615
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/219:23 pmORD - PEK
2 stops54h 02mUnited Airlines
Mon 1/1911:40 amPEK - ORD
1 stop22h 45mUnited Airlines
Deal found 12/14$1,644
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/269:05 pmORD - PEK
1 stop30h 20mUnited Airlines
Sat 1/1711:40 amPEK - ORD
1 stop22h 45mUnited Airlines
Deal found 12/14$1,698
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:41 pmORD - PEK
2 stops41h 29mMultiple Airlines
Sat 1/101:25 pmPEK - ORD
1 stop24h 25mMultiple Airlines
Deal found 12/13$1,720
This Booking.com deal was found by Cheapflights users on 12/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:05 pmSTL - PEK
2 stops36h 15mMultiple Airlines
Sun 1/45:30 pmPEK - STL
2 stops59h 59mMultiple Airlines
Deal found 12/12$3,229
This KLM deal was found by Cheapflights users on 12/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:49 amSTL - PEK
2 stops32h 06mKLM
Thu 1/811:50 amPEK - STL
2 stops47h 45mKLM
Deal found 12/14$3,490
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/196:41 amSTL - PEK
1 stop20h 44mUnited Airlines
Thu 1/811:40 amPEK - STL
2 stops23h 18mUnited Airlines
Deal found 12/13$3,529
This Air France deal was found by Cheapflights users on 12/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:30 amSTL - PEK
2 stops34h 25mMultiple Airlines
Wed 1/712:05 amPEK - STL
2 stops31h 45mMultiple Airlines
Deal found 12/13$3,725
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Wed 12/174:37 pmSTL - PEK
2 stops58h 48mUnited Airlines
Sun 1/47:20 pmPEK - STL
1 stop17h 10mUnited Airlines
Deal found 12/12$5,253

Find flight deals from Illinois to Capital

Keep the following information in mind while searching for Illinois to Capital flight deals. Data was last updated December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$969
(FlightHub)

One-way from

$435
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,987
Provider with most accurate pricing for Chicago (CHI)-Beijing (BJS) flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Beijing (BJS) flights.
From Illinois to Beijing Capital
One-way flight from Illinois to Beijing Capital
Highest demand for flights based on searches. 10% potential increase in price ($149 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Capital 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 December 15, 2025.
Use the filters below to find and compare flights from Illinois to Beijing Capital Airport that are best for you.

Fly from

Illinois

Fly to

Capital

Route

Depart

Return

Price

St. LouisBeijing

STL - PEK

STLPEK

Lambert-St Louis

Thu 3/5

6:00 am-12:30 pm

2 stops40h 30m

Beijing Capital

Sun 3/15

6:35 pm-11:59 pm

2 stops42h 24m

$1,039

St. LouisBeijing

STL - PEK

STLPEK

Lambert-St Louis

Wed 1/28

11:05 am-12:55 am

2 stops23h 50m

Beijing Capital

Wed 2/4

10:00 am-11:59 pm

2 stops27h 59m

$1,039

PeoriaBeijing

PIA - PEK

PIAPEK

Greater Peoria

Sun 3/1

6:53 pm-12:55 am

2 stops40h 02m

Beijing Capital

Sat 3/14

3:25 am-11:27 pm

2 stops33h 02m

$1,076

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Thu 3/19

6:50 pm-12:40 pm

2 stops28h 50m

Beijing Capital

Mon 3/30

8:45 pm-9:00 pm

1 stop37h 15m

$1,102

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Sun 1/25

11:25 am-10:15 pm

1 stop20h 50m

Beijing Capital

Sat 3/14

10:40 am-9:40 am

1 stop36h 00m

$1,105

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Thu 6/11

12:30 pm-9:40 am

1 stop32h 10m

Beijing Capital

Mon 7/6

6:30 pm-9:40 am

1 stop28h 10m

$1,143

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Mon 5/18

12:20 pm-12:05 pm

1 stop34h 45m

Beijing Capital

Sat 5/30

6:30 pm-9:40 am

1 stop28h 10m

$1,143

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Tue 6/9

12:30 pm-9:30 pm

1 stop20h 00m

Beijing Capital

Sat 7/11

6:30 pm-9:40 am

1 stop28h 10m

$1,143

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Thu 6/11

12:30 pm-9:30 pm

1 stop20h 00m

Beijing Capital

Sun 7/5

6:30 pm-9:40 am

1 stop28h 10m

$1,143

ChicagoBeijing

ORD - PEK

ORDPEK

Chicago O'Hare Intl

Mon 5/18

12:20 pm-12:05 pm

1 stop34h 45m

Beijing Capital

Sat 5/30

1:30 am-9:40 am

1 stop21h 10m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 52 results
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Best time to book a flight from Illinois to Capital

Have a flexible travel schedule? Discover the best time to fly to Capital from Illinois 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 Illinois to Beijing Capital Airport

What is the cheapest month to book a flight from Illinois to Beijing Capital Airport?

Currently, October is the cheapest month in which you can book a flight from Illinois to Beijing Capital Airport (average of $899). Flying from Illinois to Beijing Capital Airport in July is currently the most expensive (average of $1,334). 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 time of day to fly from IL to PEK?

Find hourly flight availability from Illinois to Capital. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 90% on flights from Illinois to Beijing Capital Airport by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Capital. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Illinois to Beijing Capital Airport?

    Departing from Illinois to Beijing Capital Airport will take you 20h 50m. The distance from Illinois to Beijing Capital Airport is about 6559 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Illinois to Beijing Capital Airport?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Capital 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 Illinois to Beijing Capital Airport?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Beijing Capital Airport (average of $899). Flying from Illinois to Beijing Capital Airport in July is currently the most expensive (average of $1,334). 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

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Alternative routes for Illinois to Capital

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Illinois to Capital

Discover the top 7 airlines that operate flights from Illinois to Capital. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$824Average$1,041FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$901Average$1,298FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,018Average$1,132FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,080Average$1,489FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,110Average$1,257FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,191Average$1,381FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$1,204Average$1,231FlexibilityNo cancel feeOn-time67%

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