HK$644+ 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 3-11. 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
8 Nov — 15 Nov1
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 9 October 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
Fly to
Route
Departure
Return
Cheapest return flight
ChicagoAtlanta
ORD Chicago O'Hare Intl - ATL Atlanta Hartsfield-Jackson
ORDATL
Chicago O'Hare Intl
Tue 5-1
17:55-20:59
Nonstop2h 04m
Atlanta Hartsfield-Jackson
Wed 31-12
00:00-23:00
Nonstop0h 00m
HK$644
Fastest return journey
ChicagoAtlanta
ORD Chicago O'Hare Intl - ATL Atlanta Hartsfield-Jackson
ORDATL
Chicago O'Hare Intl
Tue 3-11
06:59-10:02
Nonstop2h 03m
Atlanta Hartsfield-Jackson
Wed 31-12
00:00-23:00
Nonstop0h 00m
HK$644
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Fri 30-10
14:03-18:12
1 stop6h 09m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Fri 13-11
06:49-12:44
1 stop7h 55m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Sat 20-2
07:00-14:50
1 stop9h 50m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Fri 29-1
13:35-20:31
1 stop8h 56m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Tue 5-1
07:00-14:50
1 stop9h 50m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Sat 31-10
06:35-15:15
1 stop10h 40m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$777
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Sat 21-11
18:54-08:40
1 stop15h 46m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$816
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Thu 17-12
07:45-10:25
Nonstop4h 40m
Los Angeles
Wed 31-12
00:00-02:00
Nonstop0h 00m
HK$855
Showing 1-10 of 60 resultsSorted by cheapest first
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.
ORD-ATL
ORD-LAX
ORD-LAS
ORD-JFK
ORD-LGA
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.
USIL-HKG
ORD-ATL
ORD-LAX
ORD-LAS
ORD-JFK
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$8,052). Flying from Illinois in July will prove the most costly (average of HK$12,368). 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 Los Angeles, with prices starting at HK$851. Explore other affordable destinations below.
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.
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.
Direct flights from USA
International destinations
Other Illinois origins
Other United States cities
Popular destinations
Popular flights
Direct flights from USA
Book a direct flight from one of these other cities located in USA.
Popular international destinations from United States
The most popular international flight routes departing from United States we’ve come across at this time.
Fly from popular cities in Illinois
Consider departing from one of these cities also located in Illinois. Flight origins are based on user searches made on Cheapflights and were last updated on 9 October 2026.
Fly from other United States cities
Popular Return Flight Destinations
Consider these popular destinations that Cheapflights users have chosen when departing from United States. Routes are based on user searches and were last updated on 9 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
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 9 October 2026.
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.