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Cheap flights from Australia to Illinois from $667

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Australia to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Australia (AU0) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

$1,465

One-way from

$683
Qantas Airways
  • Qantas Airways
  • 21/3-29/3
  • 2 total stops
  • 47h 23m total
  • Australia to Illinois
18/2
  • 18/2
  • 2 total stops
  • 25h 09m total
  • Australia to Illinois

Find flight deals from Australia to Illinois

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Tue 24/1216:15SYD - ORD
2 stops34h 23mUnited Airlines
Wed 8/109:00ORD - SYD
2 stops28h 20mUnited Airlines
Deal found 18/12$2,521
Tue 24/1211:20SYD - ORD
3 stops40h 34mAir Canada
Tue 14/110:53ORD - SYD
2 stops29h 42mAir Canada
Deal found 17/12$2,637
Tue 31/1208:55SYD - ORD
3 stops31h 15mMultiple Airlines
Thu 23/120:25ORD - SYD
3 stops52h 15mMultiple Airlines
Deal found 17/12$2,727
Tue 24/1211:40BNE - ORD
1 stop27h 41mVirgin Australia
Thu 2/122:00ORD - BNE
1 stop41h 30mVirgin Australia
Deal found 18/12$3,164
Mon 23/1212:10BNE - ORD
1 stop40h 50mCathay Pacific
Sun 29/1214:40ORD - BNE
1 stop27h 15mCathay Pacific
Deal found 18/12$3,221
Wed 18/1212:25SYD - ORD
1 stop35h 55mANA
Wed 25/1219:52ORD - SYD
2 stops31h 23mANA
Deal found 17/12$3,231
Sat 21/1210:45BNE - ORD
2 stops37h 20mAir Canada
Sun 29/1214:05ORD - BNE
3 stops31h 25mAir Canada
Deal found 17/12$3,423
Wed 18/1212:10SYD - ORD
1 stop33h 53mVirgin Australia
Wed 25/1214:35ORD - SYD
1 stop22h 45mVirgin Australia
Deal found 17/12$3,505
Sun 29/1211:30MEL - ORD
1 stop20h 08mUnited Airlines
Sun 29/1221:05ORD - MEL
2 stops43h 55mUnited Airlines
Deal found 18/12$3,550
Sun 22/1210:45BNE - ORD
2 stops26h 54mDelta
Sun 29/1219:05ORD - BNE
2 stops44h 40mDelta
Deal found 18/12$3,612
Sat 28/1200:45MEL - ORD
1 stop29h 15mMultiple Airlines
Sun 29/1216:55ORD - MEL
2 stops30h 45mMultiple Airlines
Deal found 18/12$3,934
Sat 21/1200:10BNE - ORD
2 stops35h 34mMultiple Airlines
Sun 29/1214:40ORD - BNE
2 stops39h 25mMultiple Airlines
Deal found 18/12$3,961

Find flights from Australia to Illinois within your budget

Customise your flight search to find flights from Australia to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 23/1

14:00-23:13

2 stops26h 13m

Chicago O'Hare Intl

Thu 30/1

11:10-13:00

2 stops32h 50m

$1,480

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 23/1

11:20-14:39

1 stop20h 19m

Chicago O'Hare Intl

Wed 5/2

07:20-09:35

2 stops33h 15m

$1,611

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 30/4

12:55-19:34

2 stops45h 09m

Chicago O'Hare Intl

Sat 31/5

18:50-10:20

2 stops25h 00m

$1,673

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

09:20-15:16

2 stops44h 56m

Lambert-St Louis

Sat 31/5

13:30-07:20

2 stops50h 50m

$1,699

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 5/6

13:30-19:35

2 stops45h 05m

Chicago O'Hare Intl

Mon 16/6

14:45-10:05

2 stops28h 20m

$1,719

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 31/1

05:20-15:59

2 stops26h 39m

Chicago O'Hare Intl

Fri 7/2

16:55-06:15

1 stop21h 20m

$1,880

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 31/1

10:45-14:39

1 stop19h 54m

Chicago O'Hare Intl

Fri 7/2

13:10-08:40

1 stop27h 30m

$1,896

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 23/1

11:15-17:45

1 stop23h 30m

Chicago O'Hare Intl

Fri 31/1

17:40-09:00

1 stop22h 20m

$2,010

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 29/1

08:10-14:39

2 stops23h 29m

Chicago O'Hare Intl

Sun 23/3

17:01-13:05

3 stops52h 04m

$2,015

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 18/2

00:45-13:00

1 stop29h 15m

Chicago O'Hare Intl

Sun 16/3

19:13-19:10

2 stops31h 57m

$2,032

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Australia to Illinois

Get recent, data-driven insights about flights from Australia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from AU to IL?

Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 19 December 2024.
Get a feel of what it's like to fly with Qantas Airways, Air Canada and ANA from Australia to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.6
Very Good
65 reviews
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good
1,273 reviews
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good
839 reviews
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.3
Very Good
1,442 reviews
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.1
Very Good
3,412 reviews
8.6
Very Good
65 reviews

Food

7.7

Entertainment

7.2

Crew

8.9

Overall

8.6

Boarding

8.5

Comfort

8.0

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Australia to Illinois one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $710. Cathay Pacific flights start at $1,226 while deals on Japan Airlines start at $1,308 one-way.

  • Can I find deals for flights from Australia to Illinois that include hotel bookings?

    Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.

  • Can I find deals for business class flights from Australia to Illinois?

    Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Australia to Illinois

Discover the top 10 airlines that operate flights from Australia to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,176Average$1,893FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,411Average$2,016FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,426Average$1,885FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,450Average$2,470FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,467Average$2,252FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
ANACheapest$1,555Average$2,026FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest$1,595Average$1,749FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Virgin AustraliaCheapest$1,762Average$2,836FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,856Average$1,990FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Cathay PacificCheapest$1,904Average$2,374FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Illinois?

Cheapflights helps you search for flights from Australia to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Australia.

Can Cheapflights find flights from Australia to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Australia to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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