Illinois Flights - Book Cheap Flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • Spirit Airlines

    Spirit Airlines

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • 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 RM2,250 for one-way flights and RM3,910 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Thu, 2 Oct - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM3,910 Return, found 7 hours ago
RM3,910
Return
found 7 hours ago
Select Cathay Pacific flight, departing Thu, 2 Oct from Kuala Lumpur to Chicago, returning Sun, 5 Oct, priced at RM3,910 found 7 hours ago
Malaysia Airlines
Tue, 9 Sep - Tue, 30 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,367 Return, found 12 hours ago
RM4,367
Return
found 12 hours ago
Select Malaysia Airlines flight, departing Tue, 9 Sep from Kuala Lumpur to Chicago, returning Tue, 30 Sep, priced at RM4,367 found 12 hours ago
Korean Air
Thu, 23 Oct - Wed, 29 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,520 Return, found 8 hours ago
RM4,520
Return
found 8 hours ago
Select Korean Air flight, departing Thu, 23 Oct from Kuala Lumpur to Chicago, returning Wed, 29 Oct, priced at RM4,520 found 8 hours ago
United
Tue, 26 Aug - Sun, 14 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,562 Return, found 2 days ago
RM4,562
Return
found 2 days ago
Select United flight, departing Tue, 26 Aug from Kuala Lumpur to Chicago, returning Sun, 14 Sep, priced at RM4,562 found 2 days ago
All Nippon Airways
Thu, 30 Oct - Wed, 5 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM4,678 Return, found 5 hours ago
RM4,678
Return
found 5 hours ago
Select All Nippon Airways flight, departing Thu, 30 Oct from Kuala Lumpur to Chicago, returning Wed, 5 Nov, priced at RM4,678 found 5 hours ago
Air Canada
Thu, 2 Oct - Tue, 28 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,689 Return, found 2 days ago
RM4,689
Return
found 2 days ago
Select Air Canada flight, departing Thu, 2 Oct from Kuala Lumpur to Chicago, returning Tue, 28 Oct, priced at RM4,689 found 2 days ago
Qatar Airways
Thu, 9 Oct - Wed, 15 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,780 Return, found 6 hours ago
RM4,780
Return
found 6 hours ago
Select Qatar Airways flight, departing Thu, 9 Oct from Kuala Lumpur to Chicago, returning Wed, 15 Oct, priced at RM4,780 found 6 hours ago
Turkish Airlines
Sun, 21 Sep - Mon, 6 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,854 Return, found 5 hours ago
RM4,854
Return
found 5 hours ago
Select Turkish Airlines flight, departing Sun, 21 Sep from Kuala Lumpur to Chicago, returning Mon, 6 Oct, priced at RM4,854 found 5 hours ago
Emirates
Thu, 2 Oct - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM5,168 Return, found 7 hours ago
RM5,168
Return
found 7 hours ago
Select Emirates flight, departing Thu, 2 Oct from Kuala Lumpur to Chicago, returning Sun, 5 Oct, priced at RM5,168 found 7 hours ago
Cathay Pacific
Sat, 30 Aug - Mon, 8 Sep
KUL
Kuala Lumpur
STL
St. Louis
RM5,303 Return, found 4 days ago
RM5,303
Return
found 4 days ago
Select Cathay Pacific flight, departing Sat, 30 Aug from Kuala Lumpur to St. Louis, returning Mon, 8 Sep, priced at RM5,303 found 4 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 RM3,910. 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 RM3,910 and RM5,303. Many lucky travellers nabbed one-way tickets from Kuala Lumpur (KUL) for as little as RM2,250.
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 RM3,910 to RM5,303.
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, 2 Oct - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM3,910 Return, found 7 hours ago
RM3,910
Return
found 7 hours ago
Select Cathay Pacific flight, departing Thu, 2 Oct from Kuala Lumpur to Chicago, returning Sun, 5 Oct, priced at RM3,910 found 7 hours ago
*Available to Expedia members.