Cheap Flights to Illinois | Popular Routes to Illinois from HK$4,282

View HK$4,282 flight on Fri, 22 May 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at HK$4,282 for one-way flights and HK$6,773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 31 Oct - Fri, 13 Nov
TPE
Taipei
ORD
Chicago
HK$6,773 Return, found 3 days ago
HK$6,773
Return
found 3 days ago
Select United flight, departing Sat, 31 Oct from Taipei to Chicago, returning Fri, 13 Nov, priced at HK$6,773 found 3 days ago
Delta
Fri, 9 Oct - Sun, 18 Oct
TPE
Taipei
ORD
Chicago
HK$6,804 Return, found 1 day ago
HK$6,804
Return
found 1 day ago
Select Delta flight, departing Fri, 9 Oct from Taipei to Chicago, returning Sun, 18 Oct, priced at HK$6,804 found 1 day ago
Delta
Mon, 1 Jun - Tue, 7 Jul
HKG
Hong Kong SAR
ORD
Chicago
HK$7,363 Return, found 6 days ago
HK$7,363
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Jun from Hong Kong SAR to Chicago, returning Tue, 7 Jul, priced at HK$7,363 found 6 days ago
Philippine Airlines
Mon, 16 Nov - Fri, 27 Nov
HKG
Hong Kong SAR
ORD
Chicago
HK$7,669 Return, found 5 hours ago
HK$7,669
Return
found 5 hours ago
Select Philippine Airlines flight, departing Mon, 16 Nov from Hong Kong SAR to Chicago, returning Fri, 27 Nov, priced at HK$7,669 found 5 hours ago
Qatar Airways
Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
ORD
Chicago
HK$8,110 Return, found 5 hours ago
HK$8,110
Return
found 5 hours ago
Select Qatar Airways flight, departing Thu, 10 Sept from Hong Kong SAR to Chicago, returning Wed, 16 Sept, priced at HK$8,110 found 5 hours ago
Delta
Thu, 18 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
MDW
Chicago
HK$8,123 Return, found 6 days ago
HK$8,123
Return
found 6 days ago
Select Delta flight, departing Thu, 18 Jun from Hong Kong SAR to Chicago, returning Sat, 27 Jun, priced at HK$8,123 found 6 days ago
Air Canada
Wed, 16 Sept - Tue, 22 Sept
HKG
Hong Kong SAR
ORD
Chicago
HK$8,432 Return, found 5 hours ago
HK$8,432
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 16 Sept from Hong Kong SAR to Chicago, returning Tue, 22 Sept, priced at HK$8,432 found 5 hours ago
Cathay Pacific
Fri, 9 Oct - Sun, 18 Oct
TPE
Taipei
ORD
Chicago
HK$8,564 Return, found 1 day ago
HK$8,564
Return
found 1 day ago
Select Cathay Pacific flight, departing Fri, 9 Oct from Taipei to Chicago, returning Sun, 18 Oct, priced at HK$8,564 found 1 day ago
EVA Airways
Wed, 9 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
ORD
Chicago
HK$8,714 Return, found 1 day ago
HK$8,714
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 9 Sept from Hong Kong SAR to Chicago, returning Wed, 16 Sept, priced at HK$8,714 found 1 day ago
Korean Air
Sun, 20 Sept - Sat, 7 Nov
HKG
Hong Kong SAR
ORD
Chicago
HK$8,784 Return, found 4 days ago
HK$8,784
Return
found 4 days ago
Select Korean Air flight, departing Sun, 20 Sept from Hong Kong SAR to Chicago, returning Sat, 7 Nov, priced at HK$8,784 found 4 days ago

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.

Delta
Mon, 1 Jun - Tue, 7 Jul
HKG
Hong Kong SAR
ORD
Chicago
HK$7,363 Return, found 6 days ago
HK$7,363
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Jun from Hong Kong SAR to Chicago, returning Tue, 7 Jul, priced at HK$7,363 found 6 days ago

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$6,773. 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$6,773 and HK$8,784. Many lucky travelers nabbed one-way tickets from Taipei (TPE) for as little as HK$4,282.
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$6,773 to HK$8,784.
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.

Book with confidence

About Illinois

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About Illinois

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