Cheap Flights to Illinois | Popular Routes to Illinois from HK$3,638

Popular airlines to Illinois

  • Delta

    Delta

  • Spirit Airlines

    Spirit Airlines

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

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Popular cities in Illinois

Chicago featuring a skyscraper and a city as well as a family
FlightsFlights

Chicago

Chicago

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at HK$3,638 for one-way flights and HK$6,433 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Sun, 2 Nov - Tue, 3 Mar
HKG
Hong Kong SAR
ORD
Chicago
HK$6,433 Return, found 1 day ago
HK$6,433
Return
found 1 day ago
Select China Airlines flight, departing Sun, 2 Nov from Hong Kong SAR to Chicago, returning Tue, 3 Mar, priced at HK$6,433 found 1 day ago
EVA Airways
Tue, 2 Sep - Wed, 3 Dec
HKG
Hong Kong SAR
ORD
Chicago
HK$6,859 Return, found 1 hour ago
HK$6,859
Return
found 1 hour ago
Select EVA Airways flight, departing Tue, 2 Sep from Hong Kong SAR to Chicago, returning Wed, 3 Dec, priced at HK$6,859 found 1 hour ago
United
Thu, 23 Oct - Thu, 23 Oct
HKG
Hong Kong SAR
ORD
Chicago
HK$6,911 Return, found 1 day ago
HK$6,911
Return
found 1 day ago
Select United flight, departing Thu, 23 Oct from Hong Kong SAR to Chicago, returning Thu, 23 Oct, priced at HK$6,911 found 1 day ago
China Airlines
Thu, 4 Sep - Mon, 8 Sep
HKG
Hong Kong SAR
STL
St. Louis
HK$6,973 Return, found 14 hours ago
HK$6,973
Return
found 14 hours ago
Select China Airlines flight, departing Thu, 4 Sep from Hong Kong SAR to St. Louis, returning Mon, 8 Sep, priced at HK$6,973 found 14 hours ago
Air Canada
Wed, 3 Dec - Mon, 8 Dec
HKG
Hong Kong SAR
ORD
Chicago
HK$7,415 Return, found 1 day ago
HK$7,415
Return
found 1 day ago
Select Air Canada flight, departing Wed, 3 Dec from Hong Kong SAR to Chicago, returning Mon, 8 Dec, priced at HK$7,415 found 1 day ago
Korean Air
Tue, 21 Oct - Sun, 30 Nov
HKG
Hong Kong SAR
ORD
Chicago
HK$7,473 Return, just found
HK$7,473
Return
just found
Select Korean Air flight, departing Tue, 21 Oct from Hong Kong SAR to Chicago, returning Sun, 30 Nov, priced at HK$7,473 just found
Delta
Thu, 4 Sep - Mon, 8 Sep
HKG
Hong Kong SAR
MDW
Chicago
HK$7,503 Return, found 13 hours ago
HK$7,503
Return
found 13 hours ago
Select Delta flight, departing Thu, 4 Sep from Hong Kong SAR to Chicago, returning Mon, 8 Sep, priced at HK$7,503 found 13 hours ago
Delta
Thu, 4 Sep - Mon, 8 Sep
HKG
Hong Kong SAR
ORD
Chicago
HK$7,503 Return, found 13 hours ago
HK$7,503
Return
found 13 hours ago
Select Delta flight, departing Thu, 4 Sep from Hong Kong SAR to Chicago, returning Mon, 8 Sep, priced at HK$7,503 found 13 hours ago
Turkish Airlines
Mon, 6 Oct - Thu, 16 Oct
HKG
Hong Kong SAR
ORD
Chicago
HK$7,585 Return, found 3 days ago
HK$7,585
Return
found 3 days ago
Select Turkish Airlines flight, departing Mon, 6 Oct from Hong Kong SAR to Chicago, returning Thu, 16 Oct, priced at HK$7,585 found 3 days ago
All Nippon Airways
Thu, 20 Nov - Sat, 29 Nov
HKG
Hong Kong SAR
ORD
Chicago
HK$7,625 Return, found 3 days ago
HK$7,625
Return
found 3 days ago
Select All Nippon Airways flight, departing Thu, 20 Nov from Hong Kong SAR to Chicago, returning Sat, 29 Nov, priced at HK$7,625 found 3 days ago
Expedia offers flights to Illinois to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Illinois or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the "No change fee" box under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you're travelling somewhere new or rendezvousing at a favourite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13,063 flights to or near Illinois each month, including 12,950 flights to O'Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 8,977 flights to or near Illinois each month, including 8,855 flights to O'Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5,997 flights to or near Illinois each month, including 5,334 flights to Midway Intl. Airport (MDW) and 663 flights to O'Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was HK$6,433. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between HK$6,433 and HK$7,625. Many lucky travelers nabbed one-way tickets from Hong Kong SAR (HKG) for as little as HK$3,638.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you'll be perfectly placed to discover all that this wonderful region has to offer:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from HK$6,433 to HK$7,625.
What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois's main city, average temperatures range from 18ºC to 24ºC at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Sun, 2 Nov - Tue, 3 Mar
HKG
Hong Kong SAR
ORD
Chicago
HK$6,433 Return, found 1 day ago
HK$6,433
Return
found 1 day ago
Select China Airlines flight, departing Sun, 2 Nov from Hong Kong SAR to Chicago, returning Tue, 3 Mar, priced at HK$6,433 found 1 day ago
*Available to Expedia members.