Illinois Flights - Book Cheap Flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • Spirit Airlines

    Spirit Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

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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 RM2,225 for one-way flights and RM3,918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Wed, 12 Nov - Wed, 10 Dec
KUL
Kuala Lumpur
ORD
Chicago
RM3,918 Return, found 2 days ago
RM3,918
Return
found 2 days ago
Select Cathay Pacific flight, departing Wed, 12 Nov from Kuala Lumpur to Chicago, returning Wed, 10 Dec, priced at RM3,918 found 2 days ago
Turkish Airlines
Sun, 28 Sep - Fri, 17 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,334 Return, found 3 days ago
RM4,334
Return
found 3 days ago
Select Turkish Airlines flight, departing Sun, 28 Sep from Kuala Lumpur to Chicago, returning Fri, 17 Oct, priced at RM4,334 found 3 days ago
Malaysia Airlines
Wed, 17 Sep - Mon, 29 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,361 Return, found 5 days ago
RM4,361
Return
found 5 days ago
Select Malaysia Airlines flight, departing Wed, 17 Sep from Kuala Lumpur to Chicago, returning Mon, 29 Sep, priced at RM4,361 found 5 days ago
United
Fri, 26 Sep - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,525 Return, found 5 days ago
RM4,525
Return
found 5 days ago
Select United flight, departing Fri, 26 Sep from Kuala Lumpur to Chicago, returning Sun, 5 Oct, priced at RM4,525 found 5 days ago
All Nippon Airways
Wed, 27 Aug - Tue, 16 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,661 Return, found 5 days ago
RM4,661
Return
found 5 days ago
Select All Nippon Airways flight, departing Wed, 27 Aug from Kuala Lumpur to Chicago, returning Tue, 16 Sep, priced at RM4,661 found 5 days ago
Air Canada
Tue, 7 Oct - Wed, 15 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,689 Return, found 5 days ago
RM4,689
Return
found 5 days ago
Select Air Canada flight, departing Tue, 7 Oct from Kuala Lumpur to Chicago, returning Wed, 15 Oct, priced at RM4,689 found 5 days ago
EVA Airways
Fri, 29 Aug - Tue, 2 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,778 Return, found 2 days ago
RM4,778
Return
found 2 days ago
Select EVA Airways flight, departing Fri, 29 Aug from Kuala Lumpur to Chicago, returning Tue, 2 Sep, priced at RM4,778 found 2 days ago
Qatar Airways
Sun, 16 Nov - Thu, 20 Nov
KUL
Kuala Lumpur
STL
St. Louis
RM4,968 Return, found 3 days ago
RM4,968
Return
found 3 days ago
Select Qatar Airways flight, departing Sun, 16 Nov from Kuala Lumpur to St. Louis, returning Thu, 20 Nov, priced at RM4,968 found 3 days ago
Korean Air
Wed, 12 Nov - Tue, 18 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM5,071 Return, found 6 days ago
RM5,071
Return
found 6 days ago
Select Korean Air flight, departing Wed, 12 Nov from Kuala Lumpur to Chicago, returning Tue, 18 Nov, priced at RM5,071 found 6 days ago
Delta
Thu, 18 Sep - Mon, 22 Sep
KUL
Kuala Lumpur
MDW
Chicago
RM5,079 Return, found 6 days ago
RM5,079
Return
found 6 days ago
Select Delta flight, departing Thu, 18 Sep from Kuala Lumpur to Chicago, returning Mon, 22 Sep, priced at RM5,079 found 6 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 RM3,918. 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 RM3,918 and RM5,079. Many lucky travellers nabbed one-way tickets from Kuala Lumpur (KUL) for as little as RM2,225.
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 RM3,918 to RM5,079.
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
Wed, 12 Nov - Wed, 10 Dec
KUL
Kuala Lumpur
ORD
Chicago
RM3,918 Return, found 2 days ago
RM3,918
Return
found 2 days ago
Select Cathay Pacific flight, departing Wed, 12 Nov from Kuala Lumpur to Chicago, returning Wed, 10 Dec, priced at RM3,918 found 2 days ago
*Available to Expedia members.