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South Pacific

$489+ Cheap flights from Illinois to South Pacific

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Illinois to South Pacific

Cheapest flights from Illinois to South Pacific
Explore the most affordable flight options available from Illinois to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Air Canada deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:35 pm
ORD
-
BNE
1 stop25h 10m
Air Canada
Wed 3/119:45 am
BNE
-
ORD
1 stop19h 56m
Air Canada
Deal found 1/18$947
This Air Canada deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:40 am
ORD
-
BNE
2 stops31h 25m
Air Canada
Wed 4/2210:00 am
BNE
-
ORD
2 stops24h 50m
Air Canada
Deal found 1/18$954
This Air Canada deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:50 pm
ORD
-
BNE
2 stops27h 55m
Air Canada
Sun 3/810:45 am
BNE
-
ORD
2 stops24h 00m
Air Canada
Deal found 1/17$962
This Air Canada deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:45 am
ORD
-
BNE
2 stops31h 20m
Air Canada
Tue 6/1610:00 am
BNE
-
ORD
2 stops37h 05m
Air Canada
Deal found 1/19$965
This Mytrip deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:16 pm
ORD
-
AKL
3 stops46h 19m
Multiple Airlines
Tue 3/36:15 am
AKL
-
ORD
2 stops27h 26m
Multiple Airlines
Deal found 1/19$968
This Gurufare deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
ORD
-
BNE
2 stops31h 20m
Air New Zealand
Sun 7/1910:00 am
BNE
-
ORD
1 stop19h 41m
Air New Zealand
Deal found 1/18$980
This Air Canada deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:41 am
ORD
-
BNE
2 stops32h 04m
Air Canada
Tue 3/105:10 am
BNE
-
ORD
2 stops24h 31m
Air Canada
Deal found 1/18$981
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:50 am
ORD
-
SYD
2 stops43h 00m
Qantas Airways
Mon 2/2311:20 am
SYD
-
ORD
1 stop23h 26m
Qantas Airways
Deal found 1/18$984
This Air Canada deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:01 pm
ORD
-
BNE
3 stops31h 29m
Air Canada
Wed 5/2010:00 am
BNE
-
ORD
2 stops41h 50m
Air Canada
Deal found 1/19$989
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:40 pm
ORD
-
BNE
1 stop24h 25m
Air Canada
Thu 4/2310:00 am
BNE
-
ORD
1 stop19h 43m
Air Canada
Deal found 1/20$990
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:55 pm
ORD
-
SYD
2 stops45h 40m
Qantas Airways
Tue 3/249:25 pm
SYD
-
ORD
1 stop35h 40m
Qantas Airways
Deal found 1/18$991
This lol.travel deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/153:35 pm
ORD
-
BNE
1 stop25h 10m
Air Canada
Tue 3/310:45 am
BNE
-
ORD
2 stops46h 20m
Air Canada
Deal found 1/17$993

Find flight deals from Illinois to South Pacific

Keep the following information in mind while searching for Illinois to South Pacific flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$861
(Kiwi.com)

One-way from

$489
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,364
Provider with most accurate pricing for Chicago (CHI)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Sydney Kingsford Smith flights.
Search Deals
From Illinois to South Pacific
Search Deals
One-way flight from Illinois to South Pacific
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to South Pacific 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 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Illinois to South Pacific that are best for you.

Fly from

Illinois

Fly to

South Pacific

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Tue 6/16

10:00 am-2:45 pm

1 stop19h 45m

$947

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/23

10:45 am-7:05 am

2 stops29h 20m

Brisbane

Tue 6/30

10:00 am-2:41 pm

1 stop19h 41m

$951

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Thu 3/5

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Thu 3/12

9:45 am-2:41 pm

1 stop19h 56m

$1,032

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 2/1

9:10 am-8:45 am

2 stops55h 35m

Brisbane

Sun 2/15

10:45 am-4:45 pm

2 stops46h 00m

$1,048

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 2/4

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Sat 2/14

10:45 am-8:10 pm

2 stops25h 25m

$1,057

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

4:13 pm-9:10 am

1 stop21h 57m

Auckland Intl

Tue 3/17

1:00 pm-11:34 pm

2 stops28h 34m

$1,078

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/10

3:35 pm-4:50 pm

2 stops31h 15m

Auckland Intl

Sun 3/22

1:00 pm-2:41 pm

1 stop19h 41m

$1,095

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

5:25 pm-9:10 am

1 stop20h 45m

Auckland Intl

Wed 3/18

2:50 pm-10:25 pm

1 stop25h 35m

$1,107

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

6:18 pm-9:10 am

1 stop19h 52m

Auckland Intl

Wed 3/18

1:15 pm-11:58 pm

2 stops28h 43m

$1,107

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Wed 3/4

5:25 pm-9:10 am

1 stop20h 45m

Auckland Intl

Wed 3/11

2:50 pm-10:25 pm

1 stop25h 35m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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

Have a flexible travel schedule? Discover the best time to fly to South Pacific from Illinois 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to South Pacific

What is the cheapest month to book a flight from Illinois to South Pacific?

Currently, August is the cheapest month in which you can book a flight from Illinois to South Pacific (average of $198). Flying from Illinois to South Pacific in November is currently the most expensive (average of $785). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to South Pacific. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to South Pacific?

    There are many flights that can get you from Illinois to South Pacific in 20h 45m. Fly via Air Canada, United Airlines, or Qantas Airways to get the fastest option. The distance from Illinois to South Pacific is about 7970 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $229 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on ANA and Qantas Airways, with prices starting from $304 and $344, respectively.

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

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

  • How can I find direct flights from Illinois to South Pacific?

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

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

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

  • What is the cheapest month to book a flight from Illinois to South Pacific?

    Currently, August is the cheapest month in which you can book a flight from Illinois to South Pacific (average of $198). Flying from Illinois to South Pacific in November is currently the most expensive (average of $785). 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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Alternative routes for Illinois to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to South Pacific

Discover the top 10 airlines that operate flights from Illinois to South Pacific. 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 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$307Average$1,530FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$428Average$1,182FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$675Average$1,255FlexibilityNo cancel feeOn-time74%
ANACheapest$703Average$1,237FlexibilityNo cancel feeOn-time80%
Fiji AirwaysCheapest$712Average$1,321FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$791Average$1,257FlexibilityNo cancel feeOn-time71%
DeltaCheapest$935Average$1,034FlexibilityNo cancel feeOn-timeN/A
Air Tahiti NuiCheapest$1,046Average$1,378FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,062Average$1,557FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,229Average$2,092FlexibilityNo cancel feeOn-time68%

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