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Illinois Flights - Book Cheap Flights to Illinois

View RM2,108 flight on Thu, 3 Dec 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 RM2,108 for one-way flights and RM3,334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 6 Oct - Tue, 20 Oct
SIN
Singapore
ORD
Chicago
RM3,334 Return, found 5 days ago
RM3,334
Return
found 5 days ago
Select Air Canada flight, departing Tue, 6 Oct from Singapore to Chicago, returning Tue, 20 Oct, priced at RM3,334 found 5 days ago
All Nippon Airways
Tue, 8 Sept - Tue, 22 Sept
SIN
Singapore
ORD
Chicago
RM3,455 Return, found 4 days ago
RM3,455
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 8 Sept from Singapore to Chicago, returning Tue, 22 Sept, priced at RM3,455 found 4 days ago
Korean Air
Wed, 7 Oct - Thu, 15 Oct
SIN
Singapore
ORD
Chicago
RM4,743 Return, found 1 hour ago
RM4,743
Return
found 1 hour ago
Select Korean Air flight, departing Wed, 7 Oct from Singapore to Chicago, returning Thu, 15 Oct, priced at RM4,743 found 1 hour ago
Delta
Wed, 7 Oct - Thu, 15 Oct
SIN
Singapore
ORD
Chicago
RM4,751 Return, found 1 hour ago
RM4,751
Return
found 1 hour ago
Select Delta flight, departing Wed, 7 Oct from Singapore to Chicago, returning Thu, 15 Oct, priced at RM4,751 found 1 hour ago
Japan Airlines
Wed, 26 Aug - Wed, 9 Sept
SIN
Singapore
ORD
Chicago
RM4,829 Return, found 2 hours ago
RM4,829
Return
found 2 hours ago
Select Japan Airlines flight, departing Wed, 26 Aug from Singapore to Chicago, returning Wed, 9 Sept, priced at RM4,829 found 2 hours ago
United
Wed, 7 Oct - Thu, 15 Oct
SIN
Singapore
ORD
Chicago
RM4,882 Return, found 1 hour ago
RM4,882
Return
found 1 hour ago
Select United flight, departing Wed, 7 Oct from Singapore to Chicago, returning Thu, 15 Oct, priced at RM4,882 found 1 hour ago
Cathay Pacific
Sat, 24 Oct - Tue, 3 Nov
SIN
Singapore
ORD
Chicago
RM5,084 Return, found 20 hours ago
RM5,084
Return
found 20 hours ago
Select Cathay Pacific flight, departing Sat, 24 Oct from Singapore to Chicago, returning Tue, 3 Nov, priced at RM5,084 found 20 hours ago
American Airlines
Wed, 7 Oct - Thu, 15 Oct
SIN
Singapore
ORD
Chicago
RM5,144 Return, found 1 hour ago
RM5,144
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 7 Oct from Singapore to Chicago, returning Thu, 15 Oct, priced at RM5,144 found 1 hour ago
Japan Airlines
Thu, 17 Sept - Wed, 23 Sept
SIN
Singapore
STL
St. Louis
RM5,491 Return, found 1 day ago
RM5,491
Return
found 1 day ago
Select Japan Airlines flight, departing Thu, 17 Sept from Singapore to St. Louis, returning Wed, 23 Sept, priced at RM5,491 found 1 day ago
Turkish Airlines
Wed, 9 Sept - Wed, 23 Sept
SIN
Singapore
ORD
Chicago
RM5,871 Return, found 4 days ago
RM5,871
Return
found 4 days ago
Select Turkish Airlines flight, departing Wed, 9 Sept from Singapore to Chicago, returning Wed, 23 Sept, priced at RM5,871 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.

Oman Air
Wed, 13 Jan - Tue, 26 Jan
KUL
Kuala Lumpur
ORD
Chicago
RM4,411 Return, found 3 days ago
RM4,411
Return
found 3 days ago
Select Oman Air flight, departing Wed, 13 Jan from Kuala Lumpur to Chicago, returning Tue, 26 Jan, priced at RM4,411 found 3 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 RM3,334. 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 RM3,334 and RM5,871. Many lucky travellers nabbed one-way tickets from Singapore (SIN) for as little as RM2,108.
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.

How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from RM3,334 to RM5,871.
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

Expedia offers flights to Illinois to meet every traveler'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.
About Illinois
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