HK$656+ 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 2-3. 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
23 Mar — 30 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 21 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 21 February 2026.

Fri 10-712:45
ORD
-
CWA
Nonstop1h 22m
United Airlines
Wed 15-710:35
CWA
-
ORD
Nonstop1h 23m
United Airlines
Deal found 19-2HK$1,399
Sat 7-306:30
ORD
-
CWA
2 stops9h 12m
Delta
Wed 11-316:19
CWA
-
ORD
1 stop3h 30m
Delta
Deal found 20-2HK$3,313
Wed 18-307:10
ORD
-
CWA
2 stops8h 26m
Delta
Wed 25-316:19
CWA
-
ORD
1 stop3h 30m
Delta
Deal found 17-2HK$3,704
Fri 10-717:20
ORD
-
CWA
1 stop3h 44m
Delta
Wed 15-716:15
CWA
-
ORD
1 stop3h 28m
Delta
Deal found 19-2HK$4,165
Sat 15-818:25
ORD
-
MNL
1 stop22h 30m
United Airlines
Mon 7-921:20
MNL
-
ORD
1 stop27h 25m
United Airlines
Deal found 17-2HK$5,853
Sun 5-412:20
ORD
-
MNL
1 stop33h 35m
Korean Air
Wed 3-623:30
MNL
-
ORD
1 stop23h 10m
Korean Air
Deal found 18-2HK$5,869
Thu 9-407:40
ORD
-
MNL
1 stop33h 15m
United Airlines
Mon 8-608:40
MNL
-
ORD
1 stop29h 19m
United Airlines
Deal found 18-2HK$5,916
Tue 12-514:20
STL
-
HKG
2 stops25h 50m
Air Canada
Wed 17-609:45
HKG
-
STL
2 stops23h 20m
Air Canada
Deal found 17-2HK$5,923
Thu 5-306:30
ORD
-
CWA
2 stops9h 12m
Delta
Mon 9-316:19
CWA
-
ORD
1 stop5h 07m
Delta
Deal found 17-2HK$5,955
Thu 9-407:40
ORD
-
MNL
1 stop33h 15m
United Airlines
Tue 9-621:20
MNL
-
ORD
2 stops21h 26m
United Airlines
Deal found 18-2HK$5,955
Mon 6-416:05
STL
-
HKG
2 stops48h 10m
Air Canada
Thu 7-509:45
HKG
-
STL
2 stops23h 19m
Air Canada
Deal found 16-2HK$5,962
Tue 12-514:20
STL
-
HKG
2 stops25h 50m
Air Canada
Fri 15-509:45
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 17-2HK$6,017

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 21 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

Fri 10-7

12:45-14:07

Nonstop1h 22m

Wausau Central Wisconsin

Wed 15-7

10:35-11:58

Nonstop1h 23m

HK$1,399

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 7-3

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Wed 11-3

16:19-19:49

1 stop3h 30m

HK$3,313

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 18-3

07:10-15:36

2 stops8h 26m

Wausau Central Wisconsin

Wed 25-3

16:19-19:49

1 stop3h 30m

HK$3,704

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 10-7

17:20-21:04

1 stop3h 44m

Wausau Central Wisconsin

Wed 15-7

16:15-19:43

1 stop3h 28m

HK$4,165

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$5,923

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Thu 5-3

06:30-15:42

2 stops9h 12m

Wausau Central Wisconsin

Mon 9-3

16:19-21:26

1 stop5h 07m

HK$5,955

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 6-4

16:05-05:15

2 stops48h 10m

Hong Kong Intl

Thu 7-5

09:45-20:04

2 stops23h 19m

HK$5,962

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 2-4

16:05-05:15

2 stops48h 10m

Hong Kong Intl

Thu 9-4

09:45-15:24

2 stops42h 39m

HK$6,252

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Thu 9-4

12:15-15:36

1 stop3h 21m

Wausau Central Wisconsin

Mon 13-4

16:17-21:38

1 stop5h 21m

HK$6,345

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Mon 16-3

14:30-22:40

1 stop43h 10m

Manila Ninoy Aquino Intl

Wed 22-4

22:55-11:10

1 stop49h 15m

HK$6,728

Flights are sorted by cheapest return flights first.

Deals found on 19-2

Showing 1-10 of 60 results
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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$5,970). Flying from Illinois in December will prove the most costly (average of HK$7,447). 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$5,533
Volaris
Volaris
From HK$5,120
Cathay Pacific
Cathay Pacific
From HK$8,258

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$856
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 21 February 2026.

  • What is the cheapest airport to fly out of Illinois?

    Chicago O'Hare Intl airport offers the cheapest routes to Hong Kong from HK$5,665. Chicago Midway airport is a great option if you're flying to Hong Kong from HK$8,221. Our top recommendation is to be generally flexible with your dates of travel for the best rates.

  • 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$5,665 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.

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Fly with Cheapflights

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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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