HK$648+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3-3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — HKG
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 8 February 2026.

Good round-trip deal

HK$733 or less

Good one-way deal

HK$766 or less
Price to beat on a round-trip flight from Illinois.
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Price to beat on a one-way flight from Illinois.
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Find flights from Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 8 February 2026.

Sat 20-612:45
ORD
-
CWA
Nonstop1h 22m
United Airlines
Mon 22-610:35
CWA
-
ORD
Nonstop1h 23m
United Airlines
Deal found 6-2HK$2,922
Wed 18-206:30
ORD
-
CWA
2 stops9h 12m
Delta
Sat 21-206:49
CWA
-
ORD
1 stop3h 36m
Delta
Deal found 6-2HK$3,313
Wed 25-206:30
ORD
-
CWA
2 stops9h 12m
Delta
Wed 4-306:49
CWA
-
ORD
2 stops6h 31m
Delta
Deal found 7-2HK$3,352
Fri 20-206:30
ORD
-
CWA
2 stops9h 12m
Delta
Tue 24-216:22
CWA
-
ORD
1 stop5h 08m
Delta
Deal found 5-2HK$3,609
Sat 21-210:35
ORD
-
CWA
2 stops10h 39m
Delta
Wed 25-206:49
CWA
-
ORD
2 stops6h 31m
Delta
Deal found 6-2HK$3,656
Sun 8-307:10
ORD
-
CWA
2 stops8h 26m
Delta
Sun 15-316:19
CWA
-
ORD
1 stop3h 30m
Delta
Deal found 6-2HK$3,891
Tue 12-514:20
STL
-
HKG
2 stops25h 50m
Air Canada
Mon 22-609:45
HKG
-
STL
2 stops23h 20m
Air Canada
Deal found 5-2HK$5,922
Tue 14-412:50
ORD
-
HKG
2 stops27h 25m
Air Canada
Mon 27-409:45
HKG
-
ORD
2 stops23h 20m
Air Canada
Deal found 5-2HK$6,195
Wed 4-311:50
ORD
-
HKG
1 stop39h 15m
Turkish Airlines
Mon 16-323:20
HKG
-
ORD
1 stop24h 45m
Turkish Airlines
Deal found 8-2HK$6,203
Sat 18-416:05
STL
-
HKG
2 stops48h 10m
Air Canada
Sat 2-509:45
HKG
-
STL
2 stops23h 20m
Air Canada
Deal found 5-2HK$6,211
Mon 6-409:50
ORD
-
HKG
2 stops29h 55m
Multiple Airlines
Mon 27-410:25
HKG
-
ORD
2 stops22h 33m
Multiple Airlines
Deal found 6-2HK$6,211
Mon 23-315:35
ORD
-
HKG
2 stops37h 05m
Air Canada
Tue 14-409:45
HKG
-
ORD
2 stops22h 09m
Air Canada
Deal found 6-2HK$6,219

Find flights from Illinois within your budget

 
Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 8 February 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 20-6

12:45-14:07

Nonstop1h 22m

Wausau Central Wisconsin

Mon 22-6

10:35-11:58

Nonstop1h 23m

HK$2,922

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 25-2

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Wed 4-3

16:22-21:30

1 stop5h 08m

HK$3,313

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 21-2

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Wed 25-2

16:22-21:30

1 stop5h 08m

HK$3,313

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 18-2

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Sat 21-2

06:49-10:25

1 stop3h 36m

HK$3,313

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 20-2

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Tue 24-2

16:22-21:30

1 stop5h 08m

HK$3,609

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sun 8-3

07:10-15:36

2 stops8h 26m

Wausau Central Wisconsin

Sun 15-3

16:19-19:49

1 stop3h 30m

HK$3,891

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12-5

14:20-05:10

2 stops25h 50m

Hong Kong Intl

Wed 17-6

09:45-20:05

2 stops23h 20m

HK$5,922

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Thu 19-2

15:59-21:14

1 stop5h 15m

Wausau Central Wisconsin

Sun 22-2

16:22-21:30

1 stop5h 08m

HK$6,227

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 28-4

16:05-05:15

2 stops24h 10m

Hong Kong Intl

Tue 5-5

09:45-21:08

2 stops24h 23m

HK$6,344

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sat 9-5

11:00-05:55

2 stops29h 55m

Manila Ninoy Aquino Intl

Mon 8-6

21:20-05:08

1 stop20h 48m

HK$6,656

Flights are sorted by cheapest return flights first.

Deals found on 6-2

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Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.
Estimated return 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.

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Illinois (average of HK$5,992). Flying from Illinois in December will prove the most costly (average of HK$7,445). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

Only one airline operates round-trip flights from Illinois: Cathay Pacific. This airline flies to the following popular destinations: Hong Kong.

Turkish Airlines
Turkish Airlines
From HK$5,532
Volaris
Volaris
From HK$5,118
Cathay Pacific
Cathay Pacific
From HK$8,256

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Paris, with prices starting at HK$733. Explore other affordable destinations below.

Paris
Paris
From HK$733
Houston Hobby
Houston Hobby
From HK$765
San Francisco
San Francisco
From HK$855
Des Moines
Des Moines
From HK$1,090

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Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 8 February 2026.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is September. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Illinois?

    Check out the cheapest flights from Illinois to embark to:
    Fly from Chicago to Hong Kong from HK$5,539 round trip

  • How does Cheapflights help users find flights from Illinois?

    Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Illinois?

    Millions of users choose and trust Cheapflights to book the best flight deals from Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from Illinois with no change fees?

    Yes, we can. To see specific flights from Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from Illinois become cheaper?

    Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois?

Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois with no change fees?

Yes, we can. To see specific flights from Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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