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Cheap flights from Sydney (SYD) to Illinois from $611

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 5/29. 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
May 23 — May 301
From?
To?
Thu 5/23
Thu 5/30
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 $1,372. 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 United Airlines flights from Sydney to Illinois

Explore cheap flight options specifically provided by United 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 2,634,509 searches. Data last updated May 18, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Sydney to Illinois. Make sure to double check the flight details before booking.
Wed 9/49:30 amSYD - ORD
2 stops35h 08mUnited Airlines
Sun 9/1512:45 pmORD - SYD
1 stop27h 15mUnited Airlines
Deal found 5/18$913
Wed 9/410:20 amSYD - ORD
1 stop24h 08mUnited Airlines
Sun 9/155:55 pmORD - SYD
1 stop22h 00mUnited Airlines
Deal found 5/18$1,035
Sat 6/159:30 amSYD - ORD
1 stop25h 29mUnited Airlines
Sun 7/1410:35 amORD - SYD
1 stop29h 20mUnited Airlines
Deal found 5/17$1,076
Thu 5/309:30 amSYD - ORD
2 stops25h 30mUnited Airlines
Fri 6/71:12 pmORD - SYD
2 stops26h 48mUnited Airlines
Deal found 5/17$1,163
Thu 5/239:30 amSYD - ORD
2 stops35h 05mUnited Airlines
Fri 5/312:30 pmORD - SYD
1 stop25h 30mUnited Airlines
Deal found 5/18$1,878

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 2,634,509 searches. Data last updated May 18, 2024.
Take a gander at the lowest prices we've found on American Airlines 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.
Wed 8/149:15 amSYD - ORD
2 stops23h 09mAmerican Airlines
Wed 9/46:25 pmORD - SYD
1 stop20h 50mAmerican Airlines
Deal found 5/18$1,092
Mon 7/295:35 pmSYD - STL
1 stop20h 32mAmerican Airlines
Sun 8/116:10 pmSTL - SYD
2 stops21h 55mAmerican Airlines
Deal found 5/16$1,093
Wed 8/149:15 amSYD - ORD
1 stop21h 21mAmerican Airlines
Wed 9/49:55 amORD - SYD
1 stop30h 10mAmerican Airlines
Deal found 5/18$1,094
Wed 8/149:15 amSYD - ORD
1 stop21h 21mAmerican Airlines
Wed 9/44:50 pmORD - SYD
1 stop23h 15mAmerican Airlines
Deal found 5/17$1,096
Wed 8/149:15 amSYD - ORD
2 stops22h 46mAmerican Airlines
Wed 9/44:50 pmORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 5/18$1,097
Wed 8/149:15 amSYD - ORD
2 stops21h 18mAmerican Airlines
Wed 9/44:50 pmORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 5/17$1,099
Mon 9/239:10 amSYD - ORD
1 stop20h 09mAmerican Airlines
Sun 10/135:05 pmORD - SYD
1 stop21h 00mAmerican Airlines
Deal found 5/17$1,102
Wed 9/43:50 pmSYD - ORD
2 stops22h 46mAmerican Airlines
Sun 9/154:50 pmORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 5/18$1,103
Tue 9/249:10 amSYD - ORD
2 stops23h 11mAmerican Airlines
Tue 10/81:20 pmORD - SYD
1 stop24h 45mAmerican Airlines
Deal found 5/17$1,105

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 2,634,509 searches. Prices were last updated on May 18, 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.
Thu 5/239:30 amSYD - ORD
1 stop22h 10mMultiple Airlines
Wed 5/297:35 pmORD - SYD
1 stop20h 20mMultiple Airlines
Deal found 5/16$1,040
Thu 5/2310:20 amSYD - ORD
1 stop33h 35mUnited Airlines
Fri 5/317:35 pmORD - SYD
1 stop20h 20mUnited Airlines
Deal found 5/17$1,076
Thu 5/309:30 amSYD - ORD
2 stops25h 30mUnited Airlines
Fri 6/71:12 pmORD - SYD
2 stops26h 48mUnited Airlines
Deal found 5/17$1,163
Thu 6/135:35 pmSYD - ORD
1 stop37h 20mQantas Airways
Mon 7/156:26 pmORD - SYD
1 stop22h 44mQantas Airways
Deal found 5/18$1,182
Thu 6/135:35 pmSYD - ORD
1 stop37h 20mQantas Airways
Mon 7/158:25 amORD - SYD
1 stop32h 45mQantas Airways
Deal found 5/17$1,183
Sun 6/28:55 pmSYD - ORD
2 stops47h 27mANA
Sun 7/75:45 pmORD - SYD
1 stop34h 30mANA
Deal found 5/17$1,193
Thu 5/231:15 pmSYD - ORD
3 stops35h 09mMultiple Airlines
Wed 5/299:36 amORD - SYD
3 stops35h 09mMultiple Airlines
Deal found 5/16$1,198
Sat 6/155:35 pmSYD - ORD
1 stop39h 59mQantas Airways
Thu 7/116:26 pmORD - SYD
1 stop22h 44mQantas Airways
Deal found 5/17$1,233
Thu 5/231:15 pmSYD - ORD
2 stops31h 45mMultiple Airlines
Wed 5/291:13 pmORD - SYD
3 stops31h 32mMultiple Airlines
Deal found 5/16$1,263

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 2,634,509 searches. Data last updated May 18, 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.
Wed 9/49:30 amSYD - ORD
2 stops35h 08mUnited Airlines
Sun 9/1512:45 pmORD - SYD
1 stop27h 15mUnited Airlines
Deal found 5/18$913
Wed 9/410:20 amSYD - ORD
1 stop24h 08mUnited Airlines
Sun 9/155:55 pmORD - SYD
1 stop22h 00mUnited Airlines
Deal found 5/18$1,035
Thu 5/239:30 amSYD - ORD
1 stop22h 10mMultiple Airlines
Wed 5/297:35 pmORD - SYD
1 stop20h 20mMultiple Airlines
Deal found 5/16$1,040
Thu 5/2310:20 amSYD - ORD
1 stop33h 35mUnited Airlines
Fri 5/317:35 pmORD - SYD
1 stop20h 20mUnited Airlines
Deal found 5/17$1,076
Wed 8/149:15 amSYD - ORD
2 stops23h 09mAmerican Airlines
Wed 9/46:25 pmORD - SYD
1 stop20h 50mAmerican Airlines
Deal found 5/18$1,092
Mon 7/295:35 pmSYD - STL
1 stop20h 32mAmerican Airlines
Sun 8/116:10 pmSTL - SYD
2 stops21h 55mAmerican Airlines
Deal found 5/16$1,093
Wed 8/149:15 amSYD - ORD
1 stop21h 21mAmerican Airlines
Wed 9/49:55 amORD - SYD
1 stop30h 10mAmerican Airlines
Deal found 5/18$1,094
Wed 8/149:15 amSYD - ORD
1 stop21h 21mAmerican Airlines
Wed 9/44:50 pmORD - SYD
1 stop23h 15mAmerican Airlines
Deal found 5/17$1,096
Wed 8/149:15 amSYD - ORD
2 stops22h 46mAmerican Airlines
Wed 9/44:50 pmORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 5/18$1,097

Sydney to Illinois flights leaving soon

Find last-minute flight options from Sydney to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 18, 2024.
Have a look at some of the flights available from Sydney to Illinois departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 5/239:30 amSYD - ORD
1 stop22h 10mMultiple Airlines
Wed 5/297:35 pmORD - SYD
1 stop20h 20mMultiple Airlines
Deal found 5/16$1,040
Thu 5/2310:20 amSYD - ORD
1 stop33h 35mUnited Airlines
Fri 5/317:35 pmORD - SYD
1 stop20h 20mUnited Airlines
Deal found 5/17$1,076
Thu 5/231:15 pmSYD - ORD
3 stops35h 09mMultiple Airlines
Wed 5/299:36 amORD - SYD
3 stops35h 09mMultiple Airlines
Deal found 5/16$1,198
Thu 5/231:15 pmSYD - ORD
2 stops31h 45mMultiple Airlines
Wed 5/291:13 pmORD - SYD
3 stops31h 32mMultiple Airlines
Deal found 5/16$1,263
Fri 5/249:55 amSYD - STL
2 stops27h 20mAir New Zealand
Sat 6/111:15 amSTL - SYD
2 stops30h 30mAir New Zealand
Deal found 5/16$1,288
Thu 5/238:55 pmSYD - ORD
1 stop26h 45mANA
Wed 5/295:00 pmORD - SYD
2 stops35h 15mANA
Deal found 5/16$1,352
Thu 5/238:55 pmSYD - ORD
2 stops54h 07mANA
Wed 5/295:00 pmORD - SYD
2 stops35h 15mANA
Deal found 5/16$1,379
Fri 5/2411:50 amSYD - STL
2 stops25h 25mMultiple Airlines
Sat 6/19:05 amSTL - SYD
3 stops32h 40mMultiple Airlines
Deal found 5/16$1,400
Sun 5/269:10 amSYD - ORD
3 stops29h 18mAir Tahiti Nui
Fri 6/76:25 pmORD - SYD
3 stops32h 25mAir Tahiti Nui
Deal found 5/17$1,803

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 2,634,509 searches. Data last updated May 18, 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.
Wed 5/2910:35 amSYD - ORD
3 stops34h 05mMultiple Airlines
Deal found 5/17$611
Thu 7/119:15 amSYD - ORD
1 stop25h 18mAmerican Airlines
Deal found 5/16$688
Mon 7/229:15 amSYD - STL
1 stop28h 52mAmerican Airlines
Deal found 5/17$691
Thu 7/119:15 amSYD - ORD
2 stops22h 45mAmerican Airlines
Deal found 5/16$692
Mon 7/229:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 5/17$694
Thu 7/116:00 amSYD - ORD
3 stops29h 21mMultiple Airlines
Deal found 5/16$704
Sun 10/63:40 pmSYD - ORD
2 stops30h 20mMultiple Airlines
Deal found 5/16$705
Sun 10/2010:20 amSYD - ORD
2 stops35h 40mMultiple Airlines
Deal found 5/17$729
Fri 9/205:35 pmSYD - ORD
1 stop27h 25mAmerican Airlines
Deal found 5/17$739

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 2,634,509 searches. Data last updated May 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$913 - $1,482

Route

Depart

Return

Price

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 9/4

2 stops35h 08m

Chicago O'Hare Intl

Sun 9/15

1 stop27h 15m

$913

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 8/14

2 stops23h 09m

Chicago O'Hare Intl

Wed 9/4

1 stop20h 50m

$1,092

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 10/31

1 stop35h 55m

Chicago O'Hare Intl

Sun 11/3

2 stops44h 05m

$1,116

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/13

1 stop37h 20m

Chicago O'Hare Intl

Mon 7/15

1 stop22h 44m

$1,182

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 10/31

1 stop40h 30m

Chicago O'Hare Intl

Sun 11/3

1 stop26h 30m

$1,260

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 10/3

2 stops28h 09m

Chicago O'Hare Intl

Thu 11/7

2 stops25h 35m

$1,305

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 9/10

2 stops55h 30m

Chicago O'Hare Intl

Thu 10/3

1 stop25h 40m

$1,451

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 6/2

2 stops30h 13m

Chicago O'Hare Intl

Sun 7/7

2 stops54h 45m

$1,481

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 6/19

1 stop45h 50m

Chicago O'Hare Intl

Mon 7/22

2 stops32h 48m

$1,482

Flights are sorted by cheapest first

Deals found on 5/18

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

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 May 18, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and ANA 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
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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
8.7
Very good
76 reviews
Air Tahiti Nui
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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.

Korean Air
8.5
Very good
1,168 reviews
Air Tahiti Nui
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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
922 reviews
Air Tahiti Nui
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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
1,473 reviews
Air Tahiti Nui
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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 New Zealand
8.3
Very good
624 reviews
Air Tahiti Nui
8.7
Very good
76 reviews
Check prices

Overall

8.7

Comfort

8.1

Crew

8.9

Food

7.9

Entertainment

7.4

Boarding

8.5

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 $1,000 on Cheapflights?

    Yes, there are multiple flights from Sydney to Illinois for under $1,000. The cheapest flight booked recently is on United Airlines for just $913, but on average you can expect to pay $1,088.

  • Are there last-minute flights available from Sydney to Illinois for under $1,100?

    There are currently 20+ open flights from Sydney to Illinois within the next 7 days for less than $1,100.

  • 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 Cathay Pacific and Japan Airlines, with prices starting from $818 and $912, 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 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.

  • 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 5/18.

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 2,634,509 searches. Data last updated May 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,010Average$1,876FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,034Average$1,327FlexibilityNo 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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Houston to Los Angeles flights
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Sydney to Indiana flights

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
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Fly with Cheapflights

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

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

Cheapflights helps you search for flights from Sydney 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 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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