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

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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.

Air Canada
Tue., 30 Sep. - Tue., 7 Oct.
SYD
Sydney
ORD
Chicago
AU$1,744 Return, just found
AU$1,744
Return
just found
Select Air Canada flight, departing Tue., 30 Sep. from Sydney to Chicago, returning Tue., 7 Oct., priced at AU$1,744 just found
United
Tue., 30 Sep. - Tue., 7 Oct.
SYD
Sydney
ORD
Chicago
AU$1,853 Return, just found
AU$1,853
Return
just found
Select United flight, departing Tue., 30 Sep. from Sydney to Chicago, returning Tue., 7 Oct., priced at AU$1,853 just found
American Airlines
Tue., 10 Jun. - Fri., 20 Jun.
SYD
Sydney
ORD
Chicago
AU$1,866 Return, just found
AU$1,866
Return
just found
Select American Airlines flight, departing Tue., 10 Jun. from Sydney to Chicago, returning Fri., 20 Jun., priced at AU$1,866 just found
United
Tue., 24 Jun. - Sun., 6 Jul.
SYD
Sydney
STL
St. Louis
AU$1,869 Return, just found
AU$1,869
Return
just found
Select United flight, departing Tue., 24 Jun. from Sydney to St. Louis, returning Sun., 6 Jul., priced at AU$1,869 just found
United
Fri., 20 Jun. - Tue., 24 Jun.
SYD
Sydney
PIA
Peoria
AU$1,870 Return, found 9 hours ago
AU$1,870
Return
found 9 hours ago
Select United flight, departing Fri., 20 Jun. from Sydney to Peoria, returning Tue., 24 Jun., priced at AU$1,870 found 9 hours ago
United
Fri., 20 Jun. - Tue., 24 Jun.
SYD
Sydney
MLI
Moline
AU$1,870 Return, found 9 hours ago
AU$1,870
Return
found 9 hours ago
Select United flight, departing Fri., 20 Jun. from Sydney to Moline, returning Tue., 24 Jun., priced at AU$1,870 found 9 hours ago
Delta
Tue., 24 Jun. - Sat., 5 Jul.
SYD
Sydney
STL
St. Louis
AU$1,884 Return, just found
AU$1,884
Return
just found
Select Delta flight, departing Tue., 24 Jun. from Sydney to St. Louis, returning Sat., 5 Jul., priced at AU$1,884 just found
Delta
Fri., 20 Jun. - Tue., 24 Jun.
SYD
Sydney
BMI
Bloomington
AU$1,885 Return, found 9 hours ago
AU$1,885
Return
found 9 hours ago
Select Delta flight, departing Fri., 20 Jun. from Sydney to Bloomington, returning Tue., 24 Jun., priced at AU$1,885 found 9 hours ago
Japan Airlines
Tue., 29 Jul. - Tue., 19 Aug.
SYD
Sydney
EVV
Evansville
AU$1,956 Return, found 6 days ago
AU$1,956
Return
found 6 days ago
Select Japan Airlines flight, departing Tue., 29 Jul. from Sydney to Evansville, returning Tue., 19 Aug., priced at AU$1,956 found 6 days ago
Air New Zealand
Tue., 5 Aug. - Wed., 20 Aug.
SYD
Sydney
ORD
Chicago
AU$2,004 Return, found 18 hours ago
AU$2,004
Return
found 18 hours ago
Select Air New Zealand flight, departing Tue., 5 Aug. from Sydney to Chicago, returning Wed., 20 Aug., priced at AU$2,004 found 18 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.

Cathay Pacific
Sat., 3 May - Sat., 10 May
CNS
Cairns
ORD
Chicago
AU$1,937 Return, found 1 day ago
AU$1,937
Return
found 1 day ago
Select Cathay Pacific flight, departing Sat., 3 May from Cairns to Chicago, returning Sat., 10 May, priced at AU$1,937 found 1 day 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 AU$1,744. 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$1,744 and AU$2,004. Many lucky travellers nabbed one-way tickets from Sydney (SYD) for as little as AU$981.
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$1,744 to AU$2,004.
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.
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