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$447+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$881
(Trip.com)

One-way from

$447
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,143
From Illinois to South Pacific
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One-way flight from Illinois to South Pacific
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Trip.com deal was found by Cheapflights users on 6/30. 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.
Wed 8/66:40 amORD - SYD
2 stops48h 30mMultiple Airlines
Fri 8/221:15 pmSYD - ORD
2 stops31h 25mMultiple Airlines
Deal found 6/30$881
This Trip.com deal was found by Cheapflights users on 7/2. 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 8/157:05 amORD - AKL
2 stops46h 40mMultiple Airlines
Fri 8/222:10 pmAKL - ORD
2 stops32h 30mMultiple Airlines
Deal found 7/2$892
This Trip.com deal was found by Cheapflights users on 7/1. 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 8/157:05 amORD - MEL
2 stops37h 55mMultiple Airlines
Fri 8/221:30 pmMEL - ORD
2 stops31h 10mMultiple Airlines
Deal found 7/1$967
This Vliegwinkel deal was found by Cheapflights users on 7/1. 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.
Sun 8/247:00 amORD - SYD
2 stops33h 05mAlaska Airlines
Sat 9/69:10 amSYD - ORD
2 stops29h 54mAlaska Airlines
Deal found 7/1$1,001
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/138:00 amORD - PPT
1 stop25h 00mMultiple Airlines
Wed 8/207:00 amPPT - ORD
1 stop35h 59mMultiple Airlines
Deal found 7/2$1,009
This Air Canada deal was found by Cheapflights users on 7/1. 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 10/282:00 pmORD - AKL
3 stops32h 50mAir Canada
Tue 11/47:00 amAKL - ORD
3 stops31h 30mAir Canada
Deal found 7/1$1,017
This FlightHub deal was found by Cheapflights users on 7/1. 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 10/128:00 amORD - PPT
1 stop25h 00mAir Tahiti Nui
Sun 11/27:00 amPPT - ORD
1 stop34h 39mAir Tahiti Nui
Deal found 7/1$1,066
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:15 amSTL - SYD
2 stops34h 05mQantas Airways
Sun 12/142:20 pmSYD - STL
1 stop18h 47mQantas Airways
Deal found 7/3$1,128
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:05 pmORD - SYD
2 stops32h 10mANA
Sun 10/1212:50 pmSYD - ORD
1 stop35h 50mANA
Deal found 7/1$1,137
This Air Canada deal was found by Cheapflights users on 7/2. 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 9/141:30 pmSTL - SYD
2 stops26h 50mMultiple Airlines
Sat 9/279:20 amSYD - STL
2 stops22h 12mMultiple Airlines
Deal found 7/2$1,146
This Trip.com deal was found by Cheapflights users on 7/2. 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 8/167:05 amORD - BNE
2 stops36h 20mMultiple Airlines
Sat 8/2311:40 amBNE - ORD
2 stops33h 00mMultiple Airlines
Deal found 7/2$1,149
This Air Canada deal was found by Cheapflights users on 7/3. 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.
Thu 8/219:15 amSTL - SYD
2 stops31h 05mAir Canada
Wed 9/39:20 amSYD - STL
2 stops44h 58mAir Canada
Deal found 7/3$1,150

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 July 3, 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

Wed 8/6

6:40 am-10:10 pm

2 stops48h 30m

Sydney Kingsford Smith

Fri 8/22

1:15 pm-5:40 am

2 stops31h 25m

$881

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Fri 8/15

7:05 am-10:45 pm

2 stops46h 40m

Auckland Intl

Fri 8/22

2:10 pm-5:40 am

2 stops32h 30m

$892

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Fri 8/15

7:05 am-12:00 pm

2 stops37h 55m

Melbourne

Fri 8/22

1:30 pm-5:40 am

2 stops31h 10m

$967

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 8/24

7:00 am-7:05 am

2 stops33h 05m

Sydney Kingsford Smith

Sat 9/6

9:10 am-12:04 am

2 stops29h 54m

$1,001

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Wed 8/13

8:00 am-4:00 am

1 stop25h 00m

Papeete Faaa

Wed 8/20

7:00 am-11:59 pm

1 stop35h 59m

$1,009

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 10/28

2:00 pm-4:50 pm

3 stops32h 50m

Auckland Intl

Tue 11/4

7:00 am-7:30 pm

3 stops31h 30m

$1,017

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Sun 10/12

8:00 am-4:00 am

1 stop25h 00m

Papeete Faaa

Sun 11/2

7:00 am-9:39 pm

1 stop34h 39m

$1,066

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 11/28

6:15 am-9:20 am

2 stops34h 05m

Sydney Kingsford Smith

Sun 12/14

2:20 pm-4:07 pm

1 stop18h 47m

$1,128

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 9/27

8:05 pm-7:15 pm

2 stops32h 10m

Sydney Kingsford Smith

Sun 10/12

12:50 pm-8:40 am

1 stop35h 50m

$1,137

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 9/14

1:30 pm-7:20 am

2 stops26h 50m

Sydney Kingsford Smith

Sat 9/27

9:20 am-4:32 pm

2 stops22h 12m

$1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $1,040). Flying from Illinois to South Pacific in December is currently the most expensive (average of $1,630). 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 July 3, 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.

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 South Pacific. Reviews last updated July 3, 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air, and ANA from Illinois to South Pacific have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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.
EVA Air
8.4
Very good
1,215 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8.4
Very good
893 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
8.4
Very good
1,101 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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
1,505 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Food

7.8

Crew

9.0

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

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 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.

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

    $551 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Qantas Airways and Air Canada, with prices starting from $615 and $617, 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 $1,040). Flying from Illinois to South Pacific in December is currently the most expensive (average of $1,630). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$307Average$1,605FlexibilityNo cancel feeOn-time69%
DeltaCheapest$425Average$1,087FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$465Average$1,295FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$647Average$1,219FlexibilityNo cancel feeOn-time74%
ANACheapest$679Average$1,144FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$679Average$1,387FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$712Average$1,337FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$1,089Average$1,399FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,180Average$1,591FlexibilityNo cancel feeOn-time78%
Cathay PacificCheapest$1,468Average$1,543FlexibilityNo cancel feeOn-time72%

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