HK$1,623+ 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 2-9. 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
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

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 30 July 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 19-8

15:51-21:19

1 stop5h 28m

Wausau Central Wisconsin

Sat 22-8

07:01-11:37

1 stop4h 36m

HK$3,757

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 18-8

15:51-21:19

1 stop5h 28m

Wausau Central Wisconsin

Thu 20-8

07:01-11:37

1 stop4h 36m

HK$4,141

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 11-8

15:51-21:19

1 stop5h 28m

Wausau Central Wisconsin

Sat 15-8

07:01-11:37

1 stop4h 36m

HK$4,266

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 22-9

08:55-15:40

2 stops6h 45m

Wausau Central Wisconsin

Thu 8-10

06:54-11:39

1 stop4h 45m

HK$4,502
Fastest return journey

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 14-8

17:57-21:19

1 stop3h 22m

Wausau Central Wisconsin

Sun 16-8

07:01-11:37

1 stop4h 36m

HK$4,894

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 18-8

15:51-21:19

1 stop5h 28m

Wausau Central Wisconsin

Wed 19-8

16:24-21:47

1 stop5h 23m

HK$4,917

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9-9

10:53-05:15

2 stops29h 22m

Hong Kong Intl

Thu 8-10

00:45-18:41

2 stops54h 56m

HK$7,348

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sat 29-8

12:51-05:55

1 stop28h 04m

Manila Ninoy Aquino Intl

Fri 4-9

08:40-21:34

1 stop25h 54m

HK$7,733

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Tue 26-1

23:30-11:45

1 stop22h 15m

Manila Ninoy Aquino Intl

Thu 28-1

18:50-05:05

2 stops24h 15m

HK$9,058

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Wed 9-9

00:30-14:25

1 stop24h 55m

Hong Kong Intl

Mon 14-9

21:45-20:45

1 stop36h 00m

HK$9,097

Flights are sorted by cheapest return flights first.

Deals found on 25-7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Illinois (average of HK$8,195). Flying from Illinois in December will prove the most costly (average of HK$11,811). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Guadalajara Miguel Hidal, with prices starting at HK$1,231. Explore other affordable destinations below.

Guadalajara Miguel Hidal
Guadalajara Miguel Hidal
From HK$1,231
Greenville
Greenville
From HK$2,262
San Francisco
San Francisco
From HK$2,474
Helsinki-Vantaa
Helsinki-Vantaa
From HK$4,030

When is the best time to book a flight from Illinois?

The price you pay for your flight from Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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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 30 July 2026.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is January. 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$6,517 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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