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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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at RM458 for one-way flights and RM914 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 8 Nov - Sat, 15 Nov
LAX
Los Angeles
ORD
Chicago
RM914 Return, found 3 days ago
RM914
Return
found 3 days ago
Select Delta flight, departing Sat, 8 Nov from Los Angeles to Chicago, returning Sat, 15 Nov, priced at RM914 found 3 days ago
American Airlines
Sat, 8 Nov - Sat, 15 Nov
LAX
Los Angeles
ORD
Chicago
RM1,095 Return, found 3 days ago
RM1,095
Return
found 3 days ago
Select American Airlines flight, departing Sat, 8 Nov from Los Angeles to Chicago, returning Sat, 15 Nov, priced at RM1,095 found 3 days ago
United
Sat, 8 Nov - Sat, 15 Nov
LAX
Los Angeles
ORD
Chicago
RM1,095 Return, found 3 days ago
RM1,095
Return
found 3 days ago
Select United flight, departing Sat, 8 Nov from Los Angeles to Chicago, returning Sat, 15 Nov, priced at RM1,095 found 3 days ago
Turkish Airlines
Wed, 25 Feb - Tue, 10 Mar
KUL
Kuala Lumpur
ORD
Chicago
RM3,998 Return, found 1 day ago
RM3,998
Return
found 1 day ago
Select Turkish Airlines flight, departing Wed, 25 Feb from Kuala Lumpur to Chicago, returning Tue, 10 Mar, priced at RM3,998 found 1 day ago
Cathay Pacific
Mon, 27 Oct - Mon, 10 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM4,139 Return, found 6 hours ago
RM4,139
Return
found 6 hours ago
Select Cathay Pacific flight, departing Mon, 27 Oct from Kuala Lumpur to Chicago, returning Mon, 10 Nov, priced at RM4,139 found 6 hours ago
JetBlue Airways
Tue, 20 Jan - Wed, 4 Feb
KUL
Kuala Lumpur
ORD
Chicago
RM4,465 Return, found 1 day ago
RM4,465
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 20 Jan from Kuala Lumpur to Chicago, returning Wed, 4 Feb, priced at RM4,465 found 1 day ago
Malaysia Airlines
Wed, 6 May - Sun, 6 Sept
KUL
Kuala Lumpur
ORD
Chicago
RM4,565 Return, found 20 hours ago
RM4,565
Return
found 20 hours ago
Select Malaysia Airlines flight, departing Wed, 6 May from Kuala Lumpur to Chicago, returning Sun, 6 Sept, priced at RM4,565 found 20 hours ago
Air Canada
Wed, 11 Feb - Wed, 18 Feb
KUL
Kuala Lumpur
ORD
Chicago
RM4,628 Return, found 2 days ago
RM4,628
Return
found 2 days ago
Select Air Canada flight, departing Wed, 11 Feb from Kuala Lumpur to Chicago, returning Wed, 18 Feb, priced at RM4,628 found 2 days ago
All Nippon Airways
Tue, 1 Sept - Tue, 8 Sept
KUL
Kuala Lumpur
ORD
Chicago
RM4,754 Return, found 11 hours ago
RM4,754
Return
found 11 hours ago
Select All Nippon Airways flight, departing Tue, 1 Sept from Kuala Lumpur to Chicago, returning Tue, 8 Sept, priced at RM4,754 found 11 hours ago
EVA Airways
Sun, 15 Mar - Tue, 31 Mar
KUL
Kuala Lumpur
ORD
Chicago
RM4,774 Return, found 1 day ago
RM4,774
Return
found 1 day ago
Select EVA Airways flight, departing Sun, 15 Mar from Kuala Lumpur to Chicago, returning Tue, 31 Mar, priced at RM4,774 found 1 day 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 RM914. 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 RM914 and RM4,774. Many lucky travellers nabbed one-way tickets from Los Angeles (LAX) for as little as RM458.
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 RM914 to RM4,774.
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.

Turkish Airlines
Wed, 25 Feb - Tue, 10 Mar
KUL
Kuala Lumpur
ORD
Chicago
RM3,998 Return, found 1 day ago
RM3,998
Return
found 1 day ago
Select Turkish Airlines flight, departing Wed, 25 Feb from Kuala Lumpur to Chicago, returning Tue, 10 Mar, priced at RM3,998 found 1 day ago
*Available to Expedia members.