Search Cheapest Flights to Illinois

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Cheap 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, 19 Aug. - Wed, 20 Aug.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,399 Return, found 3 hours ago
AU$1,399
Return
found 3 hours ago
Select Air Canada flight, departing Tue, 19 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Wed, 20 Aug., priced at AU$1,399 found 3 hours ago
Air Canada
Tue, 19 Aug. - Wed, 20 Aug.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,411 Return, found 3 hours ago
AU$1,411
Return
found 3 hours ago
Select Air Canada flight, departing Tue, 19 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Wed, 20 Aug., priced at AU$1,411 found 3 hours ago
Air Canada
Tue, 5 Aug. - Fri, 15 Aug.
BNE
Brisbane
ORD
O'Hare Intl.
AU$1,421 Return, found 17 hours ago
AU$1,421
Return
found 17 hours ago
Select Air Canada flight, departing Tue, 5 Aug. from Brisbane to O'Hare Intl., returning Fri, 15 Aug., priced at AU$1,421 found 17 hours ago
Air Canada
Tue, 5 Aug. - Fri, 15 Aug.
BNE
Brisbane
ORD
O'Hare Intl.
AU$1,421 Return, found 17 hours ago
AU$1,421
Return
found 17 hours ago
Select Air Canada flight, departing Tue, 5 Aug. from Brisbane to O'Hare Intl., returning Fri, 15 Aug., priced at AU$1,421 found 17 hours ago
Air Canada
Tue, 5 Aug. - Fri, 15 Aug.
BNE
Brisbane
ORD
O'Hare Intl.
AU$1,430 Return, found 17 hours ago
AU$1,430
Return
found 17 hours ago
Select Air Canada flight, departing Tue, 5 Aug. from Brisbane to O'Hare Intl., returning Fri, 15 Aug., priced at AU$1,430 found 17 hours ago
American Airlines
Tue, 26 Aug. - Mon, 15 Sep.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,586 Return, found 1 day ago
AU$1,586
Return
found 1 day ago
Select American Airlines flight, departing Tue, 26 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Mon, 15 Sep., priced at AU$1,586 found 1 day ago
United
Tue, 26 Aug. - Mon, 15 Sep.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,611 Return, found 1 day ago
AU$1,611
Return
found 1 day ago
Select United flight, departing Tue, 26 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Mon, 15 Sep., priced at AU$1,611 found 1 day ago
Qantas Airways
Tue, 26 Aug. - Mon, 15 Sep.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,651 Return, found 1 day ago
AU$1,651
Return
found 1 day ago
Select Qantas Airways flight, departing Tue, 26 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Mon, 15 Sep., priced at AU$1,651 found 1 day ago
Air New Zealand
Tue, 19 Aug. - Wed, 20 Aug.
SYD
Kingsford Smith Intl.
ORD
O'Hare Intl.
AU$1,708 Return, found 3 hours ago
AU$1,708
Return
found 3 hours ago
Select Air New Zealand flight, departing Tue, 19 Aug. from Kingsford Smith Intl. to O'Hare Intl., returning Wed, 20 Aug., priced at AU$1,708 found 3 hours ago
Virgin Australia
Tue, 5 Aug. - Thu, 11 Sep.
BNE
Brisbane
ORD
O'Hare Intl.
AU$2,017 Return, found 3 hours ago
AU$2,017
Return
found 3 hours ago
Select Virgin Australia flight, departing Tue, 5 Aug. from Brisbane to O'Hare Intl., returning Thu, 11 Sep., priced at AU$2,017 found 3 hours ago

Cheapest Flights To Illinois

Your boss is making it hard to whistle while you work. You could call in sick, but what fun is that? We say you should fly to Illinois for a much-needed holiday. At lastminute.com.au, our deals are almost as hard to resist as that second in-flight beverage.

Are there cheap flights to Illinois available?

Cheer up, frugal friend! We've found flights to Illinois starting from AU$1,399. When you grab economy (or premium economy flights if you're feeling fancy) to Illinois at a discount on lastminute.com.au, you still have plenty left over for a midnight snack after you get home from the nightclub (or the museum, as far as your mum is concerned).

What airlines fly to Illinois?

Some of the most popular airlines that fly to airports in Illinois are United, Delta, Air Canada, Virgin Australia, American Airlines, Qantas Airways, Cathay Pacific, Air New Zealand. What are you waiting for? You grab the ticket, we’ll start packing your carry-on.

Check out flights to these amazing Illinois cities

Popular cities in Illinois

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

Chicago

Chicago

Deals On This Weekend's Flights

Save 🕑&💰 | Book Your Illinois ✈️ & 🏨 Together

Price found within the past 48 hours. Click for updated prices.
Hilton Garden Inn Chicago Downtown/Magnificent Mile

Hilton Garden Inn Chicago Downtown/Magnificent Mile

3 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Trump International Hotel & Tower Chicago

Trump International Hotel & Tower Chicago

5 out of 5
Save 100% on your flight
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Hotel Riu Plaza Chicago

Hotel Riu Plaza Chicago

4 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Pendry Chicago

Pendry Chicago

4.5 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Sable at Navy Pier Chicago, Curio Collection by Hilton

Sable at Navy Pier Chicago, Curio Collection by Hilton

4 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Arlo Chicago

Arlo Chicago

4 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Swissotel - Chicago

Swissotel - Chicago

4.5 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Fairmont Chicago at Millennium Park

Fairmont Chicago at Millennium Park

4.5 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Level Chicago Fulton Market

Level Chicago Fulton Market

4 out of 5
per person
4 Oct - 6 Oct
found 2 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Hilton Garden Inn Chicago Downtown South Loop

Hilton Garden Inn Chicago Downtown South Loop

3 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Embassy Suites by Hilton Chicago Downtown River North

Embassy Suites by Hilton Chicago Downtown River North

4 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
Staypineapple, An Iconic Hotel, The Loop

Staypineapple, An Iconic Hotel, The Loop

4 out of 5
per person
4 Oct - 6 Oct
found 3 hours ago
Return direct flight included
San Diego (SAN) to Chicago (ORD)
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Congress Plaza Hotel

Congress Plaza Hotel

3.5 out of 5
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Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
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InterContinental Chicago Magnificent Mile by IHG

InterContinental Chicago Magnificent Mile by IHG

4.5 out of 5
505 N Michigan Ave, Chicago, IL
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9/10 Wonderful! (2,124 reviews)
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InterContinental Chicago Magnificent Mile by IHG
Hilton Chicago/Magnificent Mile Suites

Hilton Chicago/Magnificent Mile Suites

3.5 out of 5
198 E Delaware Pl, Chicago, IL
Book a stay at this business-friendly hotel in Chicago. Enjoy a fitness center, valet parking (surcharge), and a 24-hour front desk. Our guests praise the helpful ...
8.8/10 Excellent! (2,542 reviews)
"Excelente hotel Muy buena ubicacion"

Reviewed on 27 Jul. 2025

Hilton Chicago/Magnificent Mile Suites
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.