Cheap Flights to Illinois

Popular airlines to Illinois

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • United

    United

  • American Airlines

    American Airlines

  • Qatar Airways

    Qatar Airways

  • Cathay Pacific

    Cathay Pacific

  • Emirates

    Emirates

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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.

American Airlines
Fri., 31 Oct. - Sun., 16 Nov.
BNE
Brisbane
ORD
Chicago
AU$1,295 Return, found 11 hours ago
AU$1,295
Return
found 11 hours ago
Select American Airlines flight, departing Fri., 31 Oct. from Brisbane to Chicago, returning Sun., 16 Nov., priced at AU$1,295 found 11 hours ago
Qantas Airways
Fri., 31 Oct. - Sun., 16 Nov.
BNE
Brisbane
ORD
Chicago
AU$1,296 Return, found 11 hours ago
AU$1,296
Return
found 11 hours ago
Select Qantas Airways flight, departing Fri., 31 Oct. from Brisbane to Chicago, returning Sun., 16 Nov., priced at AU$1,296 found 11 hours ago
Cathay Pacific
Wed., 29 Oct. - Sun., 30 Nov.
BNE
Brisbane
ORD
Chicago
AU$1,533 Return, found 10 hours ago
AU$1,533
Return
found 10 hours ago
Select Cathay Pacific flight, departing Wed., 29 Oct. from Brisbane to Chicago, returning Sun., 30 Nov., priced at AU$1,533 found 10 hours ago
EVA Airways
Thu., 6 Nov. - Sat., 6 Dec.
BNE
Brisbane
ORD
Chicago
AU$1,630 Return, found 1 day ago
AU$1,630
Return
found 1 day ago
Select EVA Airways flight, departing Thu., 6 Nov. from Brisbane to Chicago, returning Sat., 6 Dec., priced at AU$1,630 found 1 day ago
Air Canada
Wed., 26 Nov. - Thu., 11 Dec.
SYD
Sydney
ORD
Chicago
AU$1,744 Return, found 4 hours ago
AU$1,744
Return
found 4 hours ago
Select Air Canada flight, departing Wed., 26 Nov. from Sydney to Chicago, returning Thu., 11 Dec., priced at AU$1,744 found 4 hours ago
Delta
Sun., 7 Dec. - Wed., 24 Dec.
BNE
Brisbane
STL
St. Louis
AU$1,785 Return, found 6 days ago
AU$1,785
Return
found 6 days ago
Select Delta flight, departing Sun., 7 Dec. from Brisbane to St. Louis, returning Wed., 24 Dec., priced at AU$1,785 found 6 days ago
United
Wed., 4 Jun. - Wed., 11 Jun.
SYD
Sydney
ORD
Chicago
AU$1,853 Return, just found
AU$1,853
Return
just found
Select United flight, departing Wed., 4 Jun. from Sydney to Chicago, returning Wed., 11 Jun., priced at AU$1,853 just found
United
Mon., 14 Jul. - Thu., 24 Jul.
SYD
Sydney
PIA
Peoria
AU$1,869 Return, just found
AU$1,869
Return
just found
Select United flight, departing Mon., 14 Jul. from Sydney to Peoria, returning Thu., 24 Jul., priced at AU$1,869 just found
United
Mon., 30 Jun. - Wed., 30 Jul.
SYD
Sydney
STL
St. Louis
AU$1,869 Return, found 1 hour ago
AU$1,869
Return
found 1 hour ago
Select United flight, departing Mon., 30 Jun. from Sydney to St. Louis, returning Wed., 30 Jul., priced at AU$1,869 found 1 hour ago
United
Fri., 20 Jun. - Tue., 24 Jun.
SYD
Sydney
MLI
Moline
AU$1,870 Return, found 21 hours ago
AU$1,870
Return
found 21 hours ago
Select United flight, departing Fri., 20 Jun. from Sydney to Moline, returning Tue., 24 Jun., priced at AU$1,870 found 21 hours ago

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
American Airlines, Qantas Airways, United, Delta, Cathay Pacific, EVA Airways, Air Canada
Roundtrip price
from AU$1,295

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$1,295. 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$1,295 and AU$2,092. Many lucky travellers nabbed one-way tickets from Brisbane (BNE) for as little as AU$774.
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$1,295 to AU$2,092.
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
Mon., 29 Sep. - Mon., 6 Oct.
CNS
Cairns
ORD
Chicago
AU$2,092 Return, found 16 hours ago
AU$2,092
Return
found 16 hours ago
Select Cathay Pacific flight, departing Mon., 29 Sep. from Cairns to Chicago, returning Mon., 6 Oct., priced at AU$2,092 found 16 hours ago
*Available to Expedia members.