Illinois Flights - Book Cheap Flights to Illinois

View RM351 flight on Tue, 24 Mar 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Spirit Airlines

  • American Airlines

  • United

  • Frontier Airlines

  • Southwest Airlines

  • Alaska Airlines

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at RM351 for one-way flights and RM762 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 24 Mar - Tue, 7 Apr
EWR
New York
ORD
Chicago
RM762 Return, found 3 days ago
RM762
Return
found 3 days ago
Select Delta flight, departing Tue, 24 Mar from New York to Chicago, returning Tue, 7 Apr, priced at RM762 found 3 days ago
American Airlines
Tue, 24 Mar - Tue, 7 Apr
EWR
New York
ORD
Chicago
RM839 Return, found 3 days ago
RM839
Return
found 3 days ago
Select American Airlines flight, departing Tue, 24 Mar from New York to Chicago, returning Tue, 7 Apr, priced at RM839 found 3 days ago
United
Tue, 24 Mar - Tue, 7 Apr
EWR
New York
ORD
Chicago
RM839 Return, found 3 days ago
RM839
Return
found 3 days ago
Select United flight, departing Tue, 24 Mar from New York to Chicago, returning Tue, 7 Apr, priced at RM839 found 3 days ago
Philippine Airlines
Wed, 10 Jun - Tue, 23 Jun
KUL
Kuala Lumpur
ORD
Chicago
RM3,549 Return, found 4 days ago
RM3,549
Return
found 4 days ago
Select Philippine Airlines flight, departing Wed, 10 Jun from Kuala Lumpur to Chicago, returning Tue, 23 Jun, priced at RM3,549 found 4 days ago
Turkish Airlines
Wed, 7 Oct - Thu, 15 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM3,997 Return, found 1 day ago
RM3,997
Return
found 1 day ago
Select Turkish Airlines flight, departing Wed, 7 Oct from Kuala Lumpur to Chicago, returning Thu, 15 Oct, priced at RM3,997 found 1 day ago
Malaysia Airlines
Mon, 21 Sept - Wed, 21 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,274 Return, found 4 hours ago
RM4,274
Return
found 4 hours ago
Select Malaysia Airlines flight, departing Mon, 21 Sept from Kuala Lumpur to Chicago, returning Wed, 21 Oct, priced at RM4,274 found 4 hours ago
Korean Air
Tue, 19 May - Mon, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,363 Return, found 6 days ago
RM4,363
Return
found 6 days ago
Select Korean Air flight, departing Tue, 19 May from Kuala Lumpur to Chicago, returning Mon, 5 Oct, priced at RM4,363 found 6 days ago
Delta
Wed, 30 Sept - Mon, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,368 Return, found 3 days ago
RM4,368
Return
found 3 days ago
Select Delta flight, departing Wed, 30 Sept from Kuala Lumpur to Chicago, returning Mon, 5 Oct, priced at RM4,368 found 3 days ago
EVA Airways
Wed, 4 Mar - Tue, 17 Mar
KUL
Kuala Lumpur
ORD
Chicago
RM4,398 Return, found 6 days ago
RM4,398
Return
found 6 days ago
Select EVA Airways flight, departing Wed, 4 Mar from Kuala Lumpur to Chicago, returning Tue, 17 Mar, priced at RM4,398 found 6 days ago
Cathay Pacific
Mon, 21 Sept - Wed, 21 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,450 Return, found 4 hours ago
RM4,450
Return
found 4 hours ago
Select Cathay Pacific flight, departing Mon, 21 Sept from Kuala Lumpur to Chicago, returning Wed, 21 Oct, priced at RM4,450 found 4 hours 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 RM762. 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 RM762 and RM4,450. Many lucky travellers nabbed one-way tickets from New York (EWR) for as little as RM351.
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 RM762 to RM4,450.
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.

Philippine Airlines
Wed, 10 Jun - Tue, 23 Jun
KUL
Kuala Lumpur
ORD
Chicago
RM3,549 Return, found 4 days ago
RM3,549
Return
found 4 days ago
Select Philippine Airlines flight, departing Wed, 10 Jun from Kuala Lumpur to Chicago, returning Tue, 23 Jun, priced at RM3,549 found 4 days ago
*Available to Expedia members.