Illinois Flights - Book Cheap Flights to Illinois

View RM616 flight on Thu, 28 May 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at RM616 for one-way flights and RM1,028 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 27 May - Fri, 29 May
YYZ
Toronto
ORD
Chicago
RM1,028 Return, found 2 days ago
RM1,028
Return
found 2 days ago
Select Air Canada flight, departing Wed, 27 May from Toronto to Chicago, returning Fri, 29 May, priced at RM1,028 found 2 days ago
Delta
Sat, 23 May - Wed, 27 May
YYZ
Toronto
MDW
Chicago
RM1,050 Return, found 2 days ago
RM1,050
Return
found 2 days ago
Select Delta flight, departing Sat, 23 May from Toronto to Chicago, returning Wed, 27 May, priced at RM1,050 found 2 days ago
Delta
Sat, 23 May - Wed, 27 May
YYZ
Toronto
ORD
Chicago
RM1,050 Return, found 2 days ago
RM1,050
Return
found 2 days ago
Select Delta flight, departing Sat, 23 May from Toronto to Chicago, returning Wed, 27 May, priced at RM1,050 found 2 days ago
Air Canada
Tue, 2 Jun - Tue, 9 Jun
YYZ
Toronto
ORD
Chicago
RM1,102 Return, found 3 days ago
RM1,102
Return
found 3 days ago
Select Air Canada flight, departing Tue, 2 Jun from Toronto to Chicago, returning Tue, 9 Jun, priced at RM1,102 found 3 days ago
Air Canada
Wed, 27 May - Fri, 29 May
YYZ
Toronto
ORD
Chicago
RM1,110 Return, found 2 days ago
RM1,110
Return
found 2 days ago
Select Air Canada flight, departing Wed, 27 May from Toronto to Chicago, returning Fri, 29 May, priced at RM1,110 found 2 days ago
Air Canada
Wed, 27 May - Fri, 29 May
YYZ
Toronto
ORD
Chicago
RM1,124 Return, found 2 days ago
RM1,124
Return
found 2 days ago
Select Air Canada flight, departing Wed, 27 May from Toronto to Chicago, returning Fri, 29 May, priced at RM1,124 found 2 days ago
Delta
Wed, 27 May - Fri, 29 May
YYZ
Toronto
ORD
Chicago
RM1,132 Return, found 2 days ago
RM1,132
Return
found 2 days ago
Select Delta flight, departing Wed, 27 May from Toronto to Chicago, returning Fri, 29 May, priced at RM1,132 found 2 days ago
Air Canada
Fri, 4 Sept - Thu, 10 Sept
YYZ
Toronto
ORD
Chicago
RM1,168 Return, found 2 days ago
RM1,168
Return
found 2 days ago
Select Air Canada flight, departing Fri, 4 Sept from Toronto to Chicago, returning Thu, 10 Sept, priced at RM1,168 found 2 days ago
United
Tue, 2 Jun - Tue, 9 Jun
YYZ
Toronto
ORD
Chicago
RM1,174 Return, found 3 days ago
RM1,174
Return
found 3 days ago
Select United flight, departing Tue, 2 Jun from Toronto to Chicago, returning Tue, 9 Jun, priced at RM1,174 found 3 days ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,776 Return, found 19 hours ago
RM2,776
Return
found 19 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,776 found 19 hours ago

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.

Malaysia Airlines
Fri, 12 Feb - Tue, 16 Feb
KUL
Kuala Lumpur
ORD
Chicago
RM4,290 Return, found 6 hours ago
RM4,290
Return
found 6 hours ago
Select Malaysia Airlines flight, departing Fri, 12 Feb from Kuala Lumpur to Chicago, returning Tue, 16 Feb, priced at RM4,290 found 6 hours ago

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 RM1,028. 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 RM1,028 and RM4,290. Many lucky travellers nabbed one-way tickets from Toronto (YYZ) for as little as RM616.
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 RM1,028 to RM4,290.
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.

Book with confidence

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.
About Illinois
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