Illinois Flights - Book Cheap Flights to Illinois

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

Chicago
Rockford featuring a city and general coastal views
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Rockford

Rockford

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at RM2,240 for one-way flights and RM3,758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, 4 Nov - Mon, 10 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM3,777 Return, found 1 day ago
RM3,777
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 4 Nov from Kuala Lumpur to Chicago, returning Mon, 10 Nov, priced at RM3,777 found 1 day ago
United
Sat, 1 Nov - Sun, 2 Nov
SIN
Singapore
ORD
Chicago
RM4,035 Return, found 6 days ago
RM4,035
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Singapore to Chicago, returning Sun, 2 Nov, priced at RM4,035 found 6 days ago
United
Sat, 1 Nov - Sun, 2 Nov
SIN
Singapore
ORD
Chicago
RM4,038 Return, found 6 days ago
RM4,038
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Singapore to Chicago, returning Sun, 2 Nov, priced at RM4,038 found 6 days ago
Korean Air
Sun, 5 Oct - Sun, 26 Oct
SIN
Singapore
ORD
Chicago
RM4,101 Return, found 19 hours ago
RM4,101
Return
found 19 hours ago
Select Korean Air flight, departing Sun, 5 Oct from Singapore to Chicago, returning Sun, 26 Oct, priced at RM4,101 found 19 hours ago
Turkish Airlines
Tue, 4 Nov - Mon, 10 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM4,146 Return, found 1 day ago
RM4,146
Return
found 1 day ago
Select Turkish Airlines flight, departing Tue, 4 Nov from Kuala Lumpur to Chicago, returning Mon, 10 Nov, priced at RM4,146 found 1 day ago
Air Canada
Fri, 23 Jan - Sun, 1 Feb
SIN
Singapore
ORD
Chicago
RM4,319 Return, found 4 days ago
RM4,319
Return
found 4 days ago
Select Air Canada flight, departing Fri, 23 Jan from Singapore to Chicago, returning Sun, 1 Feb, priced at RM4,319 found 4 days ago
Malaysia Airlines
Tue, 21 Oct - Tue, 4 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM4,355 Return, found 5 days ago
RM4,355
Return
found 5 days ago
Select Malaysia Airlines flight, departing Tue, 21 Oct from Kuala Lumpur to Chicago, returning Tue, 4 Nov, priced at RM4,355 found 5 days ago
Delta
Mon, 16 Mar - Mon, 23 Mar
SIN
Singapore
ORD
Chicago
RM4,562 Return, found 2 days ago
RM4,562
Return
found 2 days ago
Select Delta flight, departing Mon, 16 Mar from Singapore to Chicago, returning Mon, 23 Mar, priced at RM4,562 found 2 days ago
All Nippon Airways
Wed, 17 Dec - Fri, 16 Jan
KUL
Kuala Lumpur
ORD
Chicago
RM4,718 Return, found 3 days ago
RM4,718
Return
found 3 days ago
Select All Nippon Airways flight, departing Wed, 17 Dec from Kuala Lumpur to Chicago, returning Fri, 16 Jan, priced at RM4,718 found 3 days ago
EVA Airways
Fri, 26 Sept - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,772 Return, found 5 days ago
RM4,772
Return
found 5 days ago
Select EVA Airways flight, departing Fri, 26 Sept from Kuala Lumpur to Chicago, returning Sun, 5 Oct, priced at RM4,772 found 5 days ago

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.

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 RM3,758. 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 RM3,758 and RM4,772. Many lucky travellers nabbed one-way tickets from Kuala Lumpur (KUL) for as little as RM2,240.
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 RM3,758 to RM4,772.
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.

Cathay Pacific
Thu, 25 Sept - Wed, 1 Oct
PEN
Penang
ORD
Chicago
RM3,758 Return, found 5 hours ago
RM3,758
Return
found 5 hours ago
Select Cathay Pacific flight, departing Thu, 25 Sept from Penang to Chicago, returning Wed, 1 Oct, priced at RM3,758 found 5 hours ago
*Available to Expedia members.