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$343+ Cheap flights from Chicago (CHI) 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Chicago to South Pacific

Keep the following information in mind while searching for Chicago to South Pacific flight deals. Data was last updated November 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$899
(CrystalTravel)

One-way from

$343
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$961
Provider with most accurate pricing for Chicago (CHI)-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Sydney Kingsford Smith flights.
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From Chicago (CHI) to South Pacific
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One-way flight from Chicago (CHI) to South Pacific
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Highest demand for flights based on searches. 15% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Chicago to South Pacific

Cheapest flights from Chicago to South Pacific
Explore the most affordable flight options available from Chicago to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This oojo deal was found by Cheapflights users on 11/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:46 pmORD - MEL
1 stop39h 29mQantas Airways
Wed 1/144:40 pmMEL - ORD
2 stops39h 17mQantas Airways
Deal found 11/19$973
This lol.travel deal was found by Cheapflights users on 11/20. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:00 amORD - PPT
1 stop26h 00mMultiple Airlines
Sun 12/77:00 amPPT - ORD
1 stop19h 21mMultiple Airlines
Deal found 11/20$998
This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:17 pmORD - SYD
1 stop21h 43mQantas Airways
Mon 2/235:50 pmSYD - ORD
2 stops39h 49mQantas Airways
Deal found 11/20$1,002
This Ovago deal was found by Cheapflights users on 11/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:46 amORD - NAN
1 stop23h 34mFiji Airways
Sat 12/139:15 pmNAN - ORD
1 stop16h 20mFiji Airways
Deal found 11/18$1,005
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:25 pmORD - NAN
1 stop40h 55mMultiple Airlines
Tue 12/99:15 pmNAN - ORD
2 stops26h 50mMultiple Airlines
Deal found 11/20$1,036
This lastminute.com deal was found by Cheapflights users on 11/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:02 pmORD - PPT
1 stop37h 58mAir Tahiti Nui
Sun 12/77:00 amPPT - ORD
1 stop27h 39mAir Tahiti Nui
Deal found 11/19$1,040
This SmartFares deal was found by Cheapflights users on 11/18. 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 12/1010:00 amORD - PPT
1 stop22h 00mMultiple Airlines
Wed 12/177:00 amPPT - ORD
1 stop25h 13mMultiple Airlines
Deal found 11/18$1,055
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:00 amORD - PPT
1 stop22h 00mAlaska Airlines
Wed 12/177:00 amPPT - ORD
2 stops27h 37mAlaska Airlines
Deal found 11/18$1,059
This Air Tahiti Nui deal was found by Cheapflights users on 11/19. 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 Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amORD - PPT
1 stop26h 00mAir Tahiti Nui
Wed 12/107:00 amPPT - ORD
1 stop35h 30mAir Tahiti Nui
Deal found 11/19$1,090
This Trip.com deal was found by Cheapflights users on 11/18. 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.
Mon 12/86:15 amMDW - SYD
2 stops32h 10mMultiple Airlines
Mon 12/155:45 pmSYD - MDW
2 stops32h 01mMultiple Airlines
Deal found 11/18$1,098
This Trip.com deal was found by Cheapflights users on 11/18. 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.
Mon 12/86:11 amORD - SYD
2 stops32h 14mMultiple Airlines
Mon 12/155:45 pmSYD - ORD
1 stop23h 28mMultiple Airlines
Deal found 11/18$1,099
This Trip.com deal was found by Cheapflights users on 11/18. 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.
Mon 12/18:10 amORD - SYD
2 stops35h 25mMultiple Airlines
Sat 12/62:00 pmSYD - ORD
2 stops27h 13mMultiple Airlines
Deal found 11/18$1,101

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 November 20, 2025.
Use the filters below to find and compare flights from Chicago to South Pacific that are best for you.

Fly from

Chicago

Fly to

South Pacific

Route

Depart

Return

Price

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Wed 12/10

10:00 am-4:00 am

1 stop22h 00m

Papeete Faaa

Wed 12/17

7:00 am-2:37 pm

2 stops27h 37m

$1,059

ChicagoNadi

ORD - NAN

ORDNAN

Chicago O'Hare Intl

Sat 1/24

5:37 pm-5:20 am

1 stop17h 43m

Nadi

Wed 1/28

9:40 pm-9:23 pm

1 stop17h 43m

$1,068

ChicagoNadi

ORD - NAN

ORDNAN

Chicago O'Hare Intl

Thu 3/19

12:05 pm-5:20 am

2 stops24h 15m

Nadi

Thu 4/2

9:15 pm-1:45 pm

1 stop33h 30m

$1,078

ChicagoPapeete

ORD - PPT

ORDPPT

Chicago O'Hare Intl

Sun 12/7

8:00 am-4:00 am

1 stop24h 00m

Papeete Faaa

Wed 12/10

7:00 am-10:30 pm

1 stop35h 30m

$1,090

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Mon 12/8

6:15 am-7:25 am

2 stops32h 10m

Sydney Kingsford Smith

Mon 12/15

5:45 pm-8:46 am

2 stops32h 01m

$1,098

ChicagoNadi

ORD - NAN

ORDNAN

Chicago O'Hare Intl

Tue 3/24

7:15 am-5:20 am

1 stop29h 05m

Nadi

Tue 4/7

9:15 pm-9:02 am

2 stops28h 47m

$1,107

ChicagoChristchurch

ORD - CHC

ORDCHC

Chicago O'Hare Intl

Sun 2/8

6:55 pm-2:40 pm

2 stops24h 45m

Christchurch

Sun 2/15

6:15 am-4:39 pm

2 stops29h 24m

$1,129

ChicagoNadi

ORD - NAN

ORDNAN

Chicago O'Hare Intl

Wed 3/18

10:27 am-5:20 am

2 stops49h 53m

Nadi

Thu 4/2

9:15 pm-1:45 pm

1 stop33h 30m

$1,129

ChicagoNadi

ORD - NAN

ORDNAN

Chicago O'Hare Intl

Sun 2/15

11:10 am-5:15 am

1 stop24h 05m

Nadi

Mon 2/23

9:40 pm-9:33 pm

1 stop17h 53m

$1,136

ChicagoChristchurch

ORD - CHC

ORDCHC

Chicago O'Hare Intl

Wed 2/18

4:00 pm-9:05 am

2 stops22h 05m

Christchurch

Sat 3/14

5:00 pm-9:36 pm

2 stops22h 36m

$1,173

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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

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

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

Currently, August is the cheapest month in which you can book a flight from Chicago to South Pacific (average of $198). Flying from Chicago to South Pacific in November is currently the most expensive (average of $775). 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 CHI to SP?

Find hourly flight availability from Chicago 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 November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to South Pacific at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Chicago to South Pacific?

Use this chart to determine the cheapest time to fly round-trip from Chicago to South Pacific. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to South Pacific flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 2025.
Read reviews from past customers who have flown Air New Zealand, Qantas Airways, and United Airlines from Chicago to South Pacific. 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 New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air New Zealand
8.0
Very good
533 reviews
Air New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Qantas Airways
7.5
Good
942 reviews
Air New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
United Airlines
7.4
Good
9,029 reviews
Air New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
American Airlines
7.2
Good
11,047 reviews
Air New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air Canada
7.1
Good
10,463 reviews
Air New Zealand
8.0
Very good
533 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to South Pacific?

    Airlines like Alaska Airlines, Fiji Airways, and Air Tahiti Nui fly from Chicago to South Pacific in about 17h 43m. The time it takes to get you to your destination can typically vary by up to 6h 17m. The distance between Chicago and South Pacific is about 7260 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Air Tahiti Nui, which is currently one of the cheapest options available, starting at $709. Qantas Airways flights start at $738 while deals on Delta start at $851 one-way.

  • What are the most popular routes from Chicago to South Pacific?

    While some choose either Chicago O'Hare Intl - Auckland Intl or Chicago O'Hare Intl - Melbourne, Chicago O'Hare Intl - Sydney Kingsford Smith is the most popular route from Chicago to South Pacific.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to South Pacific?

    Currently, August is the cheapest month in which you can book a flight from Chicago to South Pacific (average of $198). Flying from Chicago to South Pacific in November is currently the most expensive (average of $775). 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 Chicago 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 Chicago to South Pacific

Discover the top 10 airlines that operate flights from Chicago 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$307Average$1,690FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$663Average$1,237FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$673Average$1,147FlexibilityNo cancel feeOn-time74%
ANACheapest$679Average$1,193FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$679Average$1,285FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$712Average$1,321FlexibilityNo cancel feeOn-time74%
DeltaCheapest$846Average$1,018FlexibilityNo cancel feeOn-timeN/A
Air Tahiti NuiCheapest$1,051Average$1,414FlexibilityNo cancel feeOn-time73%
Qatar AirwaysCheapest$1,229Average$1,331FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,264Average$1,579FlexibilityNo cancel feeOn-time78%

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