Cheap Flights to Illinois | Popular Routes to Illinois from HK$3,896

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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$3,896 for one-way flights and HK$5,288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 7 Nov - Sun, 22 Nov
LHR
London
ORD
Chicago
HK$5,288 Return, found 1 day ago
HK$5,288
Return
found 1 day ago
Select Icelandair flight, departing Sat, 7 Nov from London to Chicago, returning Sun, 22 Nov, priced at HK$5,288 found 1 day ago
American Airlines
Wed, 2 Sept - Wed, 30 Sept
LHR
London
ORD
Chicago
HK$5,340 Return, found 12 hours ago
HK$5,340
Return
found 12 hours ago
Select American Airlines flight, departing Wed, 2 Sept from London to Chicago, returning Wed, 30 Sept, priced at HK$5,340 found 12 hours ago
Scandinavian Airlines
Fri, 25 Dec - Sun, 24 Jan
LHR
London
ORD
Chicago
HK$5,589 Return, found 12 hours ago
HK$5,589
Return
found 12 hours ago
Select Scandinavian Airlines flight, departing Fri, 25 Dec from London to Chicago, returning Sun, 24 Jan, priced at HK$5,589 found 12 hours ago
TAP Portugal
Wed, 2 Sept - Wed, 30 Sept
LHR
London
ORD
Chicago
HK$5,647 Return, found 12 hours ago
HK$5,647
Return
found 12 hours ago
Select TAP Portugal flight, departing Wed, 2 Sept from London to Chicago, returning Wed, 30 Sept, priced at HK$5,647 found 12 hours ago
Air Canada
Wed, 2 Sept - Wed, 30 Sept
LHR
London
ORD
Chicago
HK$5,772 Return, found 12 hours ago
HK$5,772
Return
found 12 hours ago
Select Air Canada flight, departing Wed, 2 Sept from London to Chicago, returning Wed, 30 Sept, priced at HK$5,772 found 12 hours ago
British Airways
Sat, 7 Nov - Sun, 22 Nov
LHR
London
ORD
Chicago
HK$5,808 Return, found 1 day ago
HK$5,808
Return
found 1 day ago
Select British Airways flight, departing Sat, 7 Nov from London to Chicago, returning Sun, 22 Nov, priced at HK$5,808 found 1 day ago
Finnair
Wed, 2 Sept - Wed, 30 Sept
LHR
London
ORD
Chicago
HK$5,826 Return, found 12 hours ago
HK$5,826
Return
found 12 hours ago
Select Finnair flight, departing Wed, 2 Sept from London to Chicago, returning Wed, 30 Sept, priced at HK$5,826 found 12 hours ago
British Airways
Wed, 2 Sept - Wed, 30 Sept
LHR
London
ORD
Chicago
HK$6,024 Return, found 12 hours ago
HK$6,024
Return
found 12 hours ago
Select British Airways flight, departing Wed, 2 Sept from London to Chicago, returning Wed, 30 Sept, priced at HK$6,024 found 12 hours ago
United
Sat, 7 Nov - Sun, 22 Nov
LHR
London
ORD
Chicago
HK$6,039 Return, found 1 day ago
HK$6,039
Return
found 1 day ago
Select United flight, departing Sat, 7 Nov from London to Chicago, returning Sun, 22 Nov, priced at HK$6,039 found 1 day ago
Austrian Airlines
Sat, 7 Nov - Sun, 22 Nov
LHR
London
ORD
Chicago
HK$6,218 Return, found 1 day ago
HK$6,218
Return
found 1 day ago
Select Austrian Airlines flight, departing Sat, 7 Nov from London to Chicago, returning Sun, 22 Nov, priced at HK$6,218 found 1 day 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
Sun, 13 Sept - Tue, 15 Sept
HKG
Hong Kong SAR
MDW
Chicago
HK$6,806 Return, found 3 hours ago
HK$6,806
Return
found 3 hours ago
Select Delta flight, departing Sun, 13 Sept from Hong Kong SAR to Chicago, returning Tue, 15 Sept, priced at HK$6,806 found 3 hours 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$5,288. 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$5,288 and HK$6,806. Many lucky travelers nabbed one-way tickets from London (LHR) for as little as HK$3,896.
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$5,288 to HK$6,806.
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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