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$462+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$934
(Trip.com)

One-way from

$462
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$857
From Illinois to South Pacific
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One-way flight from Illinois to South Pacific
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Highest demand for flights based on searches. 15% potential increase in price ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:30 amORD - SYD
2 stops38h 15mMultiple Airlines
Sun 9/141:15 pmSYD - ORD
2 stops24h 28mMultiple Airlines
Deal found 8/18$934
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 amORD - SYD
2 stops37h 30mMultiple Airlines
Thu 11/132:00 pmSYD - ORD
2 stops26h 00mMultiple Airlines
Deal found 8/19$982
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:25 amORD - SYD
2 stops37h 20mMultiple Airlines
Sun 11/22:00 pmSYD - ORD
2 stops25h 57mMultiple Airlines
Deal found 8/19$990
This Vliegwinkel deal was found by Cheapflights users on 8/19. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:20 amORD - MEL
2 stops39h 05mMultiple Airlines
Mon 9/81:30 pmMEL - ORD
2 stops24h 13mMultiple Airlines
Deal found 8/19$1,046
This SmartFares deal was found by Cheapflights users on 8/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:05 amORD - PPT
1 stop22h 55mMultiple Airlines
Wed 11/57:00 amPPT - ORD
2 stops18h 01mMultiple Airlines
Deal found 8/18$1,061
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:30 amORD - SYD
2 stops38h 45mMultiple Airlines
Thu 10/92:15 pmSYD - ORD
2 stops25h 44mMultiple Airlines
Deal found 8/18$1,066
This Mytrip deal was found by Cheapflights users on 8/19. 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 11/39:40 amORD - SYD
3 stops33h 50mMultiple Airlines
Sun 11/162:00 pmSYD - ORD
3 stops33h 25mMultiple Airlines
Deal found 8/19$1,074
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:00 amORD - SYD
2 stops32h 05mMultiple Airlines
Tue 10/710:10 amSYD - ORD
2 stops29h 49mMultiple Airlines
Deal found 8/19$1,075
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amSTL - SYD
2 stops34h 55mQantas Airways
Fri 11/212:20 pmSYD - STL
1 stop19h 20mQantas Airways
Deal found 8/18$1,079
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:13 pmSTL - MEL
2 stops28h 22mQantas Airways
Sat 11/1512:00 pmMEL - STL
1 stop28h 42mQantas Airways
Deal found 8/19$1,081
This Mytrip deal was found by Cheapflights users on 8/19. 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 10/2711:41 amORD - SYD
3 stops33h 04mMultiple Airlines
Sun 11/92:00 pmSYD - ORD
3 stops33h 25mMultiple Airlines
Deal found 8/19$1,081
This SmartFares deal was found by Cheapflights users on 8/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 pmORD - PPT
1 stop33h 10mMultiple Airlines
Wed 9/247:00 amPPT - ORD
1 stop36h 03mMultiple Airlines
Deal found 8/18$1,083

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 August 20, 2025.
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

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 9/5

6:30 am-11:45 am

2 stops38h 15m

Sydney Kingsford Smith

Sun 9/14

1:15 pm-10:43 pm

2 stops24h 28m

$934

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 11/6

6:30 am-1:00 pm

2 stops37h 30m

Sydney Kingsford Smith

Thu 11/13

2:00 pm-11:00 pm

2 stops26h 00m

$982

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 2/11

6:00 am-5:40 pm

2 stops42h 40m

Sydney Kingsford Smith

Sat 2/28

11:15 am-11:08 pm

1 stop28h 53m

$990

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 1/26

6:00 am-9:00 am

1 stop34h 00m

Sydney Kingsford Smith

Mon 2/9

7:15 pm-4:14 pm

2 stops37h 59m

$1,031

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Wed 10/22

10:05 am-4:00 am

1 stop22h 55m

Papeete Faaa

Wed 11/5

7:00 am-5:01 am

2 stops18h 01m

$1,061

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 11/3

9:40 am-12:30 pm

3 stops33h 50m

Sydney Kingsford Smith

Sun 11/16

2:00 pm-6:25 am

3 stops33h 25m

$1,074

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 11/10

7:00 am-10:55 am

2 stops34h 55m

Sydney Kingsford Smith

Fri 11/21

2:20 pm-4:40 pm

1 stop19h 20m

$1,079

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 11/2

6:13 pm-3:35 pm

2 stops28h 22m

Melbourne

Sat 11/15

12:00 pm-11:42 pm

1 stop28h 42m

$1,081

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Sun 10/5

6:00 am-4:00 am

1 stop27h 00m

Papeete Faaa

Sun 10/19

7:00 am-11:59 pm

1 stop35h 59m

$1,085

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Wed 10/1

3:20 pm-4:00 am

1 stop17h 40m

Papeete Faaa

Wed 10/15

7:00 am-11:59 pm

1 stop35h 59m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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, February is the cheapest month in which you can book a flight from Illinois to South Pacific (average of $1,030). Flying from Illinois to South Pacific in December is currently the most expensive (average of $1,620). 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.

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

Find hourly flight availability from Illinois to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

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

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 27h. Fly via Qantas Airways, Air Tahiti Nui, or Fiji Airways to get the fastest option. The distance from Illinois to South Pacific is about 5681 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?

    $622 is the cheapest one-way deal found within the past few days, from Fiji Airways. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $690 and $851, 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, February is the cheapest month in which you can book a flight from Illinois to South Pacific (average of $1,030). Flying from Illinois to South Pacific in December is currently the most expensive (average of $1,620). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$307Average$1,561FlexibilityNo cancel feeOn-time69%
DeltaCheapest$425Average$1,098FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$647Average$1,193FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$663Average$1,267FlexibilityNo cancel feeOn-time67%
ANACheapest$679Average$1,186FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$679Average$1,399FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$712Average$1,308FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$1,051Average$1,407FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,224Average$1,597FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,229Average$1,477FlexibilityNo cancel feeOn-time68%

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