Cheap Flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

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Popular cities in Illinois

Chicago which includes a high-rise building and a city as well as a family
FlightsFlights

Chicago

Chicago

Cheapest Flights to Illinois

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

United
Sun, 9 Nov - Sun, 16 Nov
MEL
Melbourne
MLI
Moline
AU$1,269 Return, found 3 days ago
AU$1,269
Return
found 3 days ago
Select United flight, departing Sun, 9 Nov from Melbourne to Moline, returning Sun, 16 Nov, priced at AU$1,269 found 3 days ago
Jetstar
Mon, 16 Mar - Tue, 21 Apr
MEL
Melbourne
STL
St. Louis
AU$1,300 Return, found 4 days ago
AU$1,300
Return
found 4 days ago
Select Jetstar flight, departing Mon, 16 Mar from Melbourne to St. Louis, returning Tue, 21 Apr, priced at AU$1,300 found 4 days ago
Jetstar
Sun, 9 Nov - Sun, 16 Nov
AVV
Melbourne
STL
St. Louis
AU$1,464 Return, found 2 days ago
AU$1,464
Return
found 2 days ago
Select Jetstar flight, departing Sun, 9 Nov from Melbourne to St. Louis, returning Sun, 16 Nov, priced at AU$1,464 found 2 days ago
Air New Zealand
Sat, 25 Oct - Tue, 25 Nov
MEL
Melbourne
ORD
Chicago
AU$1,501 Return, found 9 hours ago
AU$1,501
Return
found 9 hours ago
Select Air New Zealand flight, departing Sat, 25 Oct from Melbourne to Chicago, returning Tue, 25 Nov, priced at AU$1,501 found 9 hours ago
Air New Zealand
Tue, 11 Nov - Tue, 18 Nov
ADL
Adelaide
ORD
Chicago
AU$1,596 Return, found 19 hours ago
AU$1,596
Return
found 19 hours ago
Select Air New Zealand flight, departing Tue, 11 Nov from Adelaide to Chicago, returning Tue, 18 Nov, priced at AU$1,596 found 19 hours ago
United
Mon, 8 Dec - Mon, 22 Dec
ADL
Adelaide
STL
St. Louis
AU$1,688 Return, found 2 days ago
AU$1,688
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Adelaide to St. Louis, returning Mon, 22 Dec, priced at AU$1,688 found 2 days ago
Jetstar
Tue, 4 Nov - Tue, 11 Nov
AVV
Melbourne
ORD
Chicago
AU$1,755 Return, found 2 days ago
AU$1,755
Return
found 2 days ago
Select Jetstar flight, departing Tue, 4 Nov from Melbourne to Chicago, returning Tue, 11 Nov, priced at AU$1,755 found 2 days ago
Japan Airlines
Thu, 30 Oct - Mon, 3 Nov
MEL
Melbourne
CMI
Champaign
AU$1,907 Return, found 18 hours ago
AU$1,907
Return
found 18 hours ago
Select Japan Airlines flight, departing Thu, 30 Oct from Melbourne to Champaign, returning Mon, 3 Nov, priced at AU$1,907 found 18 hours ago
Japan Airlines
Thu, 30 Oct - Mon, 3 Nov
MEL
Melbourne
PIA
Peoria
AU$1,936 Return, found 18 hours ago
AU$1,936
Return
found 18 hours ago
Select Japan Airlines flight, departing Thu, 30 Oct from Melbourne to Peoria, returning Mon, 3 Nov, priced at AU$1,936 found 18 hours ago
Delta
Wed, 11 Feb - Wed, 25 Feb
MEL
Melbourne
MDW
Chicago
AU$2,072 Return, just found
AU$2,072
Return
just found
Select Delta flight, departing Wed, 11 Feb from Melbourne to Chicago, returning Wed, 25 Feb, priced at AU$2,072 just found

Illinois Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Illinois today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Illinois Airfare

At Expedia.com.au, it’s simple to find cheap flights to Illinois that won’t cause your wallet to flinch. Browse through our inventory of Illinois flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Illinois Flights Information

Airlines serving
United, Delta, Air New Zealand, Etihad Airways, Jetstar, American Airlines, Air Canada, Virgin Australia, Japan Airlines
Roundtrip price
from AU$1,269

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 AU$1,269. 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 AU$1,269 and AU$2,072. Many lucky travellers nabbed one-way tickets from Melbourne (MEL) for as little as AU$885.
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.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from AU$1,269 to AU$2,072.
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.

United
Sun, 9 Nov - Sun, 16 Nov
MEL
Melbourne
MLI
Moline
AU$1,269 Return, found 3 days ago
AU$1,269
Return
found 3 days ago
Select United flight, departing Sun, 9 Nov from Melbourne to Moline, returning Sun, 16 Nov, priced at AU$1,269 found 3 days ago
*Available to Expedia members.