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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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 RM2,002 for one-way flights and RM2,993 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM2,993 Return, found 2 days ago
RM2,993
Return
found 2 days ago
Select United flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM2,993 found 2 days ago
United
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM2,993 Return, found 2 days ago
RM2,993
Return
found 2 days ago
Select United flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM2,993 found 2 days ago
United
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,005 Return, found 2 days ago
RM3,005
Return
found 2 days ago
Select United flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,005 found 2 days ago
Air Canada
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,021 Return, found 2 days ago
RM3,021
Return
found 2 days ago
Select Air Canada flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,021 found 2 days ago
Lufthansa
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,080 Return, found 2 days ago
RM3,080
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,080 found 2 days ago
American Airlines
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,097 Return, found 2 days ago
RM3,097
Return
found 2 days ago
Select American Airlines flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,097 found 2 days ago
United
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,120 Return, found 2 days ago
RM3,120
Return
found 2 days ago
Select United flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,120 found 2 days ago
Delta
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,121 Return, found 2 days ago
RM3,121
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,121 found 2 days ago
Swiss International Air Lines
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
ORD
Chicago
RM3,133 Return, found 2 days ago
RM3,133
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,133 found 2 days ago
Delta
Thu, 6 Nov - Wed, 19 Nov
CDG
Paris
MDW
Chicago
RM3,144 Return, found 2 days ago
RM3,144
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Nov from Paris to Chicago, returning Wed, 19 Nov, priced at RM3,144 found 2 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 RM2,993. 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 RM2,993 and RM3,777. Many lucky travellers nabbed one-way tickets from Paris (CDG) for as little as RM2,002.
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 RM2,993 to RM3,777.
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
Tue, 4 Nov - Mon, 10 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM3,777 Return, found 2 days ago
RM3,777
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 4 Nov from Kuala Lumpur to Chicago, returning Mon, 10 Nov, priced at RM3,777 found 2 days ago
*Available to Expedia members.