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South Pacific

$303+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
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 February 21, 2026.

This Air Canada deal was found by Cheapflights users on 2/21. 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.
Sat 2/283:35 pm
ORD
-
AKL
1 stop24h 25m
Air Canada
Mon 3/91:00 pm
AKL
-
ORD
1 stop19h 41m
Air Canada
Deal found 2/21$578
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Fri 2/273:35 pm
ORD
-
AKL
1 stop24h 25m
Air Canada
Mon 3/91:00 pm
AKL
-
ORD
1 stop19h 41m
Air Canada
Deal found 2/20$579
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Fri 3/612:50 pm
ORD
-
AKL
2 stops27h 10m
Air Canada
Fri 3/131:00 pm
AKL
-
ORD
1 stop19h 41m
Air Canada
Deal found 2/19$583
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Fri 2/272:00 pm
ORD
-
AKL
2 stops26h 00m
Air Canada
Fri 3/62:00 pm
AKL
-
ORD
1 stop19h 41m
Air Canada
Deal found 2/18$587
This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:35 pm
ORD
-
AKL
1 stop24h 25m
Multiple Airlines
Mon 3/91:00 pm
AKL
-
ORD
2 stops46h 05m
Multiple Airlines
Deal found 2/21$591
This BusinessClass deal was found by Cheapflights users on 2/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:35 pm
ORD
-
AKL
1 stop24h 25m
Multiple Airlines
Fri 3/66:15 am
AKL
-
ORD
2 stops27h 26m
Multiple Airlines
Deal found 2/19$592
This BusinessClass deal was found by Cheapflights users on 2/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:35 pm
ORD
-
AKL
2 stops25h 25m
Air New Zealand
Fri 3/136:15 am
AKL
-
ORD
2 stops26h 26m
Air New Zealand
Deal found 2/18$597
This BusinessClass deal was found by Cheapflights users on 2/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:40 pm
ORD
-
AKL
2 stops67h 20m
EVA Air
Mon 3/91:00 pm
AKL
-
ORD
1 stop19h 41m
EVA Air
Deal found 2/20$600
This BusinessClass deal was found by Cheapflights users on 2/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:04 pm
ORD
-
AKL
2 stops45h 56m
ANA
Mon 3/91:00 pm
AKL
-
ORD
2 stops46h 05m
ANA
Deal found 2/20$607
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:40 pm
ORD
-
AKL
2 stops67h 20m
Air Canada
Mon 3/91:00 pm
AKL
-
ORD
1 stop19h 41m
Air Canada
Deal found 2/20$629
This Air Canada deal was found by Cheapflights users on 2/19. 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 4/213:40 pm
ORD
-
BNE
1 stop24h 25m
Air Canada
Wed 4/2910:00 am
BNE
-
ORD
1 stop19h 43m
Air Canada
Deal found 2/19$890
This Air Canada deal was found by Cheapflights users on 2/17. 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 4/158:40 am
ORD
-
BNE
2 stops31h 25m
Air Canada
Wed 4/2910:00 am
BNE
-
ORD
2 stops25h 05m
Air Canada
Deal found 2/17$900

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$579
(Air Canada)

One-way from

$303
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,097
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. 9% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 21, 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

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Wed 3/4

6:17 pm-9:10 am

1 stop19h 53m

Auckland Intl

Fri 3/13

2:50 pm-8:15 pm

1 stop23h 25m

$862

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Wed 3/11

4:44 pm-2:05 pm

2 stops27h 21m

Auckland Intl

Wed 3/18

4:35 pm-11:47 pm

2 stops25h 12m

$862

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Fri 5/8

6:20 am-12:45 pm

2 stops37h 25m

Auckland Intl

Thu 5/14

8:15 pm-7:00 am

1 stop27h 45m

$925

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Sun 3/8

4:49 pm-8:10 am

1 stop21h 21m

Auckland Intl

Sat 3/14

4:35 pm-11:55 pm

2 stops25h 20m

$927

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Wed 3/4

4:49 pm-9:10 am

1 stop21h 21m

Auckland Intl

Thu 3/12

4:35 pm-9:35 pm

2 stops47h 00m

$936

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Fri 3/6

7:45 am-9:10 am

1 stop30h 25m

Auckland Intl

Wed 3/11

2:50 pm-9:37 pm

1 stop24h 47m

$1,012

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Sun 3/8

6:20 pm-8:10 am

1 stop19h 50m

Auckland Intl

Sat 3/14

2:50 pm-11:38 pm

1 stop26h 48m

$1,012

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/17

11:00 am-8:10 am

1 stop27h 10m

Auckland Intl

Tue 3/24

2:50 pm-11:38 pm

1 stop26h 48m

$1,012

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 5/2

1:00 pm-7:20 am

3 stops51h 20m

Sydney Kingsford Smith

Tue 5/12

9:20 am-8:05 pm

3 stops49h 45m

$1,021

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/3

10:44 am-12:15 am

3 stops42h 31m

Auckland Intl

Fri 3/6

6:15 am-2:41 pm

2 stops27h 26m

$1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 May is currently the most expensive (average of $814). 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 19h 50m. Fly via Air Canada, Qantas Airways, or United Airlines to get the fastest option. The distance from Illinois to South Pacific is about 8186 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 Qantas Airways and Fiji Airways, with prices starting from $404 and $443, 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 May is currently the most expensive (average of $814). 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$307Average$1,554FlexibilityNo cancel feeOn-time69%
DeltaCheapest$407Average$1,025FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$428Average$1,174FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$534Average$1,295FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$675Average$1,351FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$791Average$1,512FlexibilityNo cancel feeOn-time71%
Air Tahiti NuiCheapest$1,046Average$1,494FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,061Average$1,548FlexibilityNo cancel feeOn-time78%
ANACheapest$1,177Average$1,237FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$1,229Average$2,092FlexibilityNo cancel feeOn-time68%

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