Cheap Flights to Illinois | Popular Routes to Illinois from HK$885

Popular airlines to Illinois

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

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Popular cities in Illinois

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

Chicago

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at HK$885 for one-way flights and HK$1,791 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 16 Jan - Sun, 18 Jan
YTZ
Toronto
ORD
Chicago
HK$1,791 Return, found 19 hours ago
HK$1,791
Return
found 19 hours ago
Select Air Canada flight, departing Fri, 16 Jan from Toronto to Chicago, returning Sun, 18 Jan, priced at HK$1,791 found 19 hours ago
Air Canada
Fri, 16 Jan - Sun, 18 Jan
YTZ
Toronto
ORD
Chicago
HK$2,020 Return, found 19 hours ago
HK$2,020
Return
found 19 hours ago
Select Air Canada flight, departing Fri, 16 Jan from Toronto to Chicago, returning Sun, 18 Jan, priced at HK$2,020 found 19 hours ago
Air Canada
Sat, 31 Jan - Sun, 1 Feb
YTZ
Toronto
ORD
Chicago
HK$2,063 Return, found 4 days ago
HK$2,063
Return
found 4 days ago
Select Air Canada flight, departing Sat, 31 Jan from Toronto to Chicago, returning Sun, 1 Feb, priced at HK$2,063 found 4 days ago
Porter Airlines
Fri, 16 Jan - Sun, 18 Jan
YTZ
Toronto
MDW
Chicago
HK$2,537 Return, found 19 hours ago
HK$2,537
Return
found 19 hours ago
Select Porter Airlines flight, departing Fri, 16 Jan from Toronto to Chicago, returning Sun, 18 Jan, priced at HK$2,537 found 19 hours ago
Delta
Thu, 12 Feb - Sun, 22 Feb
HND
Tokyo
MDW
Chicago
HK$5,809 Return, found 5 days ago
HK$5,809
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Tokyo to Chicago, returning Sun, 22 Feb, priced at HK$5,809 found 5 days ago
Delta
Wed, 11 Feb - Sat, 21 Feb
HND
Tokyo
ORD
Chicago
HK$5,809 Return, found 5 days ago
HK$5,809
Return
found 5 days ago
Select Delta flight, departing Wed, 11 Feb from Tokyo to Chicago, returning Sat, 21 Feb, priced at HK$5,809 found 5 days ago
American Airlines
Wed, 11 Feb - Sat, 21 Feb
HND
Tokyo
ORD
Chicago
HK$7,187 Return, found 5 days ago
HK$7,187
Return
found 5 days ago
Select American Airlines flight, departing Wed, 11 Feb from Tokyo to Chicago, returning Sat, 21 Feb, priced at HK$7,187 found 5 days ago
Cathay Pacific
Thu, 5 Mar - Thu, 12 Mar
HND
Tokyo
ORD
Chicago
HK$7,973 Return, found 19 hours ago
HK$7,973
Return
found 19 hours ago
Select Cathay Pacific flight, departing Thu, 5 Mar from Tokyo to Chicago, returning Thu, 12 Mar, priced at HK$7,973 found 19 hours ago
United
Thu, 18 Dec - Wed, 31 Dec
HND
Tokyo
ORD
Chicago
HK$8,271 Return, found 5 days ago
HK$8,271
Return
found 5 days ago
Select United flight, departing Thu, 18 Dec from Tokyo to Chicago, returning Wed, 31 Dec, priced at HK$8,271 found 5 days ago
Japan Airlines
Thu, 18 Dec - Wed, 31 Dec
HND
Tokyo
ORD
Chicago
HK$8,333 Return, found 5 days ago
HK$8,333
Return
found 5 days ago
Select Japan Airlines flight, departing Thu, 18 Dec from Tokyo to Chicago, returning Wed, 31 Dec, priced at HK$8,333 found 5 days ago

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About Illinois

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$1,791. 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$1,791 and HK$8,948. Many lucky travelers nabbed one-way tickets from Toronto (YTZ) for as little as HK$885.
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$1,791 to HK$8,948.
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.

Air Canada
Tue, 6 Oct - Wed, 14 Oct
HKG
Hong Kong SAR
ORD
Chicago
HK$6,164 Return, found 23 hours ago
HK$6,164
Return
found 23 hours ago
Select Air Canada flight, departing Tue, 6 Oct from Hong Kong SAR to Chicago, returning Wed, 14 Oct, priced at HK$6,164 found 23 hours ago
*Available to Expedia members.