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Cheap flights from Sydney (SYD) to Illinois from $665

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SYD — ORD
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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How far in advance should I book a flight from Sydney to Illinois?

Users have found that booking a flight from Sydney to Illinois at least 36 days early can save you up to 34% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Sydney to Illinois for as little as $1,002 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,002 for flights departing within the next 3 days.

What is the cheapest month to fly from Sydney to Illinois?

February can be a great time to fly to Illinois from Sydney with a flight ticket averaging about $1,355. Cheapflights users have found deals in the month of February for as cheap as $959. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Sydney to Illinois (SYD - IL)?

When flying from Sydney to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Sydney to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Sydney and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Sydney to Illinois. Make sure to double check the flight details before booking.
lun. 6/105:35 pmSYD - ORD
2 stops40h 52mAmerican Airlines
lun. 6/245:34 pmORD - SYD
2 stops22h 31mAmerican Airlines
Deal found 5/27$1,011
lun. 8/269:15 amSYD - ORD
1 stop34h 53mAmerican Airlines
vie. 9/139:55 amORD - SYD
1 stop29h 20mAmerican Airlines
Deal found 5/27$1,070
mar. 7/169:15 amSYD - ORD
1 stop23h 18mAmerican Airlines
mar. 7/236:26 pmORD - SYD
1 stop21h 39mAmerican Airlines
Deal found 5/26$1,078
lun. 8/59:15 amSYD - STL
1 stop28h 52mAmerican Airlines
lun. 12/97:21 pmSTL - SYD
1 stop20h 39mAmerican Airlines
Deal found 5/27$1,081
mié. 8/149:15 amSYD - ORD
1 stop25h 19mAmerican Airlines
mié. 9/45:15 pmORD - SYD
1 stop22h 00mAmerican Airlines
Deal found 5/27$1,085
lun. 8/59:15 amSYD - STL
1 stop28h 52mAmerican Airlines
dom. 12/156:01 pmSTL - SYD
1 stop20h 29mAmerican Airlines
Deal found 5/27$1,087
mar. 7/169:15 amSYD - ORD
2 stops22h 45mAmerican Airlines
mar. 7/233:25 pmORD - SYD
2 stops24h 40mAmerican Airlines
Deal found 5/26$1,092
lun. 7/89:00 amSYD - ORD
2 stops23h 33mAmerican Airlines
mar. 7/235:36 pmORD - SYD
2 stops22h 29mAmerican Airlines
Deal found 5/27$1,094
mié. 9/45:35 pmSYD - ORD
2 stops21h 41mAmerican Airlines
dom. 9/1510:00 amORD - SYD
1 stop30h 05mAmerican Airlines
Deal found 5/27$1,097

Cheap Qantas Airways flights from Sydney to Illinois

Explore cheap flight options specifically provided by Qantas Airways for the route between Sydney and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Take a gander at the lowest prices we've found on Qantas Airways flights from Sydney to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
mar. 9/179:10 amSYD - ORD
1 stop34h 59mQantas Airways
lun. 10/1411:50 amORD - SYD
1 stop26h 25mQantas Airways
Deal found 5/27$1,033
jue. 6/209:15 amSYD - ORD
1 stop21h 40mQantas Airways
dom. 7/215:05 pmORD - SYD
1 stop22h 00mQantas Airways
Deal found 5/27$1,157
jue. 6/135:35 pmSYD - ORD
1 stop41h 00mQantas Airways
lun. 7/158:25 amORD - SYD
1 stop32h 45mQantas Airways
Deal found 5/28$1,170
jue. 6/139:15 amSYD - ORD
1 stop24h 19mQantas Airways
lun. 7/155:03 pmORD - SYD
1 stop24h 07mQantas Airways
Deal found 5/27$1,178
mar. 8/69:15 amSYD - STL
1 stop28h 27mQantas Airways
mar. 12/107:21 pmSTL - SYD
1 stop20h 39mQantas Airways
Deal found 5/27$1,290
vie. 8/95:35 pmSYD - STL
1 stop20h 07mQantas Airways
vie. 12/136:01 pmSTL - SYD
1 stop20h 29mQantas Airways
Deal found 5/27$1,625
lun. 8/55:35 pmSYD - STL
1 stop20h 32mQantas Airways
jue. 12/127:21 pmSTL - SYD
1 stop20h 39mQantas Airways
Deal found 5/27$1,699
sáb. 7/139:15 amSYD - ORD
1 stop20h 04mQantas Airways
mié. 7/246:26 pmORD - SYD
1 stop21h 39mQantas Airways
Deal found 5/27$1,908
mar. 7/99:15 amSYD - ORD
1 stop20h 04mQantas Airways
lun. 7/296:26 pmORD - SYD
1 stop21h 39mQantas Airways
Deal found 5/27$2,031

Cheap Sydney to Illinois flights in May & June 2024

Find cheap flight options from Sydney to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 2024.
The lowest fares we've come across on flights traveling from Sydney to Illinois in May and June 2024. Check back soon for alternative fares.
sáb. 6/159:30 amSYD - ORD
2 stops39h 15mUnited Airlines
jue. 7/112:30 pmORD - SYD
1 stop25h 30mUnited Airlines
Deal found 5/28$988
lun. 6/109:30 amSYD - ORD
2 stops35h 05mUnited Airlines
lun. 6/241:10 pmORD - SYD
1 stop26h 45mUnited Airlines
Deal found 5/27$989
lun. 6/105:35 pmSYD - ORD
2 stops40h 52mAmerican Airlines
lun. 6/245:34 pmORD - SYD
2 stops22h 31mAmerican Airlines
Deal found 5/27$1,011
jue. 6/139:30 amSYD - ORD
2 stops35h 27mUnited Airlines
lun. 7/156:05 amORD - SYD
1 stop33h 55mUnited Airlines
Deal found 5/27$1,025
dom. 6/99:30 amSYD - ORD
2 stops35h 27mUnited Airlines
vie. 6/2110:50 amORD - SYD
1 stop29h 10mUnited Airlines
Deal found 5/27$1,051
dom. 6/99:30 amSYD - ORD
2 stops35h 27mUnited Airlines
vie. 6/2112:49 pmORD - SYD
1 stop27h 11mUnited Airlines
Deal found 5/28$1,053
jue. 5/309:30 pmSYD - ORD
1 stop29h 47mAmerican Airlines
vie. 6/72:45 pmORD - SYD
1 stop25h 20mAmerican Airlines
Deal found 5/27$1,054
jue. 5/309:30 pmSYD - ORD
1 stop29h 47mAmerican Airlines
vie. 6/76:25 pmORD - SYD
1 stop21h 40mAmerican Airlines
Deal found 5/28$1,057
sáb. 6/159:30 amSYD - ORD
1 stop35h 30mUnited Airlines
dom. 7/147:10 amORD - SYD
2 stops32h 45mUnited Airlines
Deal found 5/28$1,071

Sydney to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Sydney and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
The lowest fares we've come across on flights traveling from Sydney to Illinois in May and June 2024. Check back soon for alternative fares.
sáb. 6/159:30 amSYD - ORD
2 stops39h 15mUnited Airlines
jue. 7/112:30 pmORD - SYD
1 stop25h 30mUnited Airlines
Deal found 5/28$988
lun. 6/109:30 amSYD - ORD
2 stops35h 05mUnited Airlines
lun. 6/241:10 pmORD - SYD
1 stop26h 45mUnited Airlines
Deal found 5/27$989
lun. 6/105:35 pmSYD - ORD
2 stops40h 52mAmerican Airlines
lun. 6/245:34 pmORD - SYD
2 stops22h 31mAmerican Airlines
Deal found 5/27$1,011
jue. 6/139:30 amSYD - ORD
2 stops35h 27mUnited Airlines
lun. 7/156:05 amORD - SYD
1 stop33h 55mUnited Airlines
Deal found 5/27$1,025
mar. 9/179:10 amSYD - ORD
1 stop34h 59mQantas Airways
lun. 10/1411:50 amORD - SYD
1 stop26h 25mQantas Airways
Deal found 5/27$1,033
dom. 6/99:30 amSYD - ORD
2 stops35h 27mUnited Airlines
vie. 6/2110:50 amORD - SYD
1 stop29h 10mUnited Airlines
Deal found 5/27$1,051
dom. 6/99:30 amSYD - ORD
2 stops35h 27mUnited Airlines
vie. 6/2112:49 pmORD - SYD
1 stop27h 11mUnited Airlines
Deal found 5/28$1,053
jue. 5/309:30 pmSYD - ORD
1 stop29h 47mAmerican Airlines
vie. 6/72:45 pmORD - SYD
1 stop25h 20mAmerican Airlines
Deal found 5/27$1,054
jue. 5/309:30 pmSYD - ORD
1 stop29h 47mAmerican Airlines
vie. 6/76:25 pmORD - SYD
1 stop21h 40mAmerican Airlines
Deal found 5/28$1,057

One-way flights to Illinois from Sydney

Search for one-way flight options from Sydney to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Some of the best available deals we've found on one-way flights from Sydney to Illinois. For those needing a return trip from Sydney, there is a search form available above.
jue. 8/89:15 amSYD - ORD
1 stop25h 19mAmerican Airlines
Deal found 5/27$688
jue. 7/189:15 amSYD - STL
1 stop28h 52mAmerican Airlines
Deal found 5/28$689
jue. 8/89:15 amSYD - ORD
2 stops25h 09mAmerican Airlines
Deal found 5/27$691
jue. 7/189:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 5/28$692
vie. 10/411:00 amSYD - ORD
2 stops44h 47mSingapore Airlines
Deal found 5/27$757
vie. 6/214:20 pmSYD - MDW
3 stops57h 57mMultiple Airlines
Deal found 5/28$785
mié. 6/199:50 pmSYD - ORD
1 stop31h 35mCathay Pacific
Deal found 5/27$819
vie. 10/49:50 pmSYD - ORD
1 stop31h 35mCathay Pacific
Deal found 5/27$846
mar. 6/187:35 amSYD - ORD
2 stops41h 49mMultiple Airlines
Deal found 5/27$855

Find flights from Sydney to Illinois within your budget

Customize your flight search to find flights from Sydney 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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$665 - $1,769

Route

Depart

Return

Price

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

mar. 9/17

2 stops34h 37m

Chicago O'Hare Intl

mar. 10/15

1 stop42h 50m

$665

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

lun. 6/10

2 stops40h 52m

Chicago O'Hare Intl

lun. 6/24

2 stops22h 31m

$1,011

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

mar. 9/17

1 stop34h 59m

Chicago O'Hare Intl

lun. 10/14

1 stop26h 25m

$1,033

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

mié. 8/7

2 stops45h 01m

Lambert-St Louis

mar. 12/10

2 stops48h 10m

$1,180

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

jue. 7/18

1 stop26h 06m

Chicago O'Hare Intl

mar. 7/23

2 stops50h 18m

$1,216

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

lun. 7/15

1 stop31h 35m

Chicago O'Hare Intl

mar. 7/23

1 stop25h 40m

$1,417

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

mar. 7/9

2 stops32h 32m

Chicago O'Hare Intl

mié. 7/24

1 stop34h 30m

$1,517

Sydney Kingsford SmithChicago Midway

SYD - MDW

SYDMDW

Sydney Kingsford Smith

mié. 9/4

2 stops27h 21m

Chicago Midway

dom. 9/15

2 stops23h 50m

$1,641

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

mar. 9/17

2 stops46h 05m

Chicago O'Hare Intl

lun. 10/14

3 stops48h 20m

$1,769

Flights are sorted by cheapest first

Deals found on 5/26

No data available for this route at this time. Please check back soon.

Best time to book a flight from Sydney to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Sydney with our price prediction graph.
Estimated round-trip 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.

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 mayo 28, 2024.
Peruse reviews from past customers who have flown with American Airlines, Qantas Airways and United Airlines from Sydney to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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.

Air Tahiti Nui
8.8
Very good
74 reviews
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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.

ANA
8.5
Very good
917 reviews
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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.

Japan Airlines
8.3
Very good
1,472 reviews
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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.

Singapore Airlines
8.2
Very good
1,424 reviews
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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.

Delta
8.0
Very good
10,476 reviews
Air Tahiti Nui
8.8
Very good
74 reviews
Check prices

Crew

9.0

Boarding

8.5

Food

8.0

Overall

8.8

Comfort

8.2

Entertainment

7.4

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 Sydney to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to Illinois?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly out of when you book flights from Sydney to Illinois.

  • Can I find flights from Sydney to Illinois for under $700 on Cheapflights?

    Yes, there are multiple flights from Sydney to Illinois for under $700. The cheapest flight booked recently is on United Airlines for just $665, but on average you can expect to pay $1,023.

  • What are the cheapest airlines to fly from Sydney to Illinois one-way?

    $688 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Singapore Airlines and Cathay Pacific, with prices starting from $757 and $819, respectively.

  • What are the most popular routes from Sydney to Illinois?

    The most popular flight routes from Sydney to Illinois are Sydney Kingsford Smith - Chicago O'Hare Intl, Sydney Kingsford Smith - Chicago Midway and Sydney Kingsford Smith - Lambert-St Louis.

  • What does SYD to ORD mean?

    Sydney Kingsford Smith Airport is SYD and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • Can I find deals for flights from Sydney to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Sydney to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Sydney to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sydney to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney 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.

  • Can I find deals for flights from Sydney to Illinois that allow pets onboard?

    Many airlines flying from Sydney to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Sydney to Illinois?

    Yes, you can often find last-minute deals on Sydney to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Sydney to Illinois flight deals updated?

    The Sydney to Illinois flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Sydney to Illinois?

    Before booking your flight from Sydney to Illinois check out the most popular airlines for this route: American Airlines, Air Canada or ANA.

  • When is the best time to book a flight from Sydney to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Sydney to Illinois (average of $244). Flying from Sydney to Illinois in June is currently the most expensive (average of $326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Sydney to Illinois

Discover the top 4 airlines that operate flights from Sydney 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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$966Average$1,593FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,030Average$1,224FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,058Average$1,282FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
ANACheapest$1,123Average$1,267FlexibilityNo cancel feeOn-time80%
Search ANA flights
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Search flights from Sydney to Illinois by cabin class

Find flights from Sydney to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Not ready to book yet? You can track prices for flights from Sydney to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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