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$452+ Cheap flights from South Pacific to Illinois

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.
SYD — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from South Pacific to Illinois

Keep the following information in mind while searching for South Pacific to Illinois flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$840
(Gotogate)

One-way from

$452
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$917

Good round-trip deal

$848 or less
Provider with most accurate pricing for Sydney Kingsford Smith-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
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From South Pacific to Illinois
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One-way flight from South Pacific to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from South Pacific to Illinois.
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Find flight deals from South Pacific to Illinois

Cheapest flights from South Pacific to Illinois
Explore the most affordable flight options available from South Pacific to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amAKL - ORD
2 stops40h 38mMultiple Airlines
Mon 6/93:35 pmORD - AKL
2 stops39h 20mMultiple Airlines
Deal found 3/30$840
This Air Canada deal was found by Cheapflights users on 3/29. 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 6/1010:20 amBNE - ORD
2 stops41h 25mAir Canada
Tue 6/178:40 amORD - BNE
2 stops31h 25mAir Canada
Deal found 3/29$950
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Wed 5/141:15 pmSYD - ORD
2 stops32h 27mMultiple Airlines
Wed 5/216:59 pmORD - SYD
2 stops25h 46mMultiple Airlines
Deal found 3/29$971
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:20 amSYD - ORD
2 stops44h 27mAir Canada
Wed 6/43:35 pmORD - SYD
1 stop24h 45mAir Canada
Deal found 3/30$1,022
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:10 amMEL - ORD
2 stops28h 53mAir Canada
Mon 10/203:40 pmORD - MEL
2 stops30h 40mAir Canada
Deal found 3/30$1,039
This Air Canada deal was found by Cheapflights users on 3/29. 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 8/17:45 pmAKL - ORD
1 stop26h 33mAir Canada
Mon 8/48:25 pmORD - AKL
3 stops51h 25mAir Canada
Deal found 3/29$1,051
This BYOjet deal was found by Cheapflights users on 3/31. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:10 amMEL - ORD
2 stops28h 53mMultiple Airlines
Mon 10/209:04 amORD - MEL
2 stops36h 16mMultiple Airlines
Deal found 3/31$1,062
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:50 pmAKL - ORD
2 stops31h 27mAmerican Airlines
Tue 5/209:43 amORD - AKL
2 stops31h 42mAmerican Airlines
Deal found 3/30$1,081
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:20 amSYD - STL
2 stops49h 23mAir Canada
Wed 5/218:48 amSTL - SYD
2 stops31h 32mAir Canada
Deal found 3/30$1,085
This Mix&Match deal was found by Cheapflights users on 3/29. 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 Mix&Match is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/28:35 amMEL - ORD
2 stops29h 38mAir New Zealand
Mon 8/254:35 pmORD - MEL
2 stops27h 15mAir New Zealand
Deal found 3/29$1,145
This BYOjet deal was found by Cheapflights users on 3/31. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:45 amMEL - ORD
1 stop29h 40mCathay Pacific
Mon 10/204:00 pmORD - MEL
1 stop28h 15mCathay Pacific
Deal found 3/31$1,161
This BYOjet deal was found by Cheapflights users on 3/29. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:30 amAKL - ORD
2 stops33h 29mQantas Airways
Sun 5/45:30 pmORD - AKL
2 stops36h 30mQantas Airways
Deal found 3/29$1,185

Cheapflights Fare Finder

Customize your flight search to find flights from South Pacific to Illinois 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 March 31, 2025.
Use the filters below to find and compare flights from South Pacific to Illinois that are best for you.

Fly from

South Pacific

Fly to

Illinois

Route

Depart

Return

Price

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 5/29

6:00 am-5:38 am

2 stops40h 38m

Chicago O'Hare Intl

Mon 6/9

3:35 pm-11:55 pm

2 stops39h 20m

$840

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 6/10

10:20 am-12:45 pm

2 stops41h 25m

Chicago O'Hare Intl

Tue 6/17

8:40 am-7:05 am

2 stops31h 25m

$950

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 5/14

1:15 pm-6:42 am

2 stops32h 27m

Chicago O'Hare Intl

Wed 5/21

6:59 pm-11:45 am

2 stops25h 46m

$971

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 5/22

9:20 am-2:47 pm

2 stops44h 27m

Chicago O'Hare Intl

Wed 6/4

3:35 pm-7:20 am

1 stop24h 45m

$1,022

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 8/1

7:45 pm-5:18 am

1 stop26h 33m

Chicago O'Hare Intl

Mon 8/4

8:25 pm-4:50 pm

3 stops51h 25m

$1,051

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Wed 4/30

3:50 pm-6:17 am

2 stops31h 27m

Chicago O'Hare Intl

Tue 5/20

9:43 am-10:25 am

2 stops31h 42m

$1,081

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/14

9:20 am-7:43 pm

2 stops49h 23m

Lambert-St Louis

Wed 5/21

8:48 am-7:20 am

2 stops31h 32m

$1,085

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 6/2

8:35 am-11:13 pm

2 stops29h 38m

Chicago O'Hare Intl

Mon 8/25

4:35 pm-10:50 am

2 stops27h 15m

$1,145

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 5/24

12:55 pm-11:05 pm

2 stops25h 10m

Chicago O'Hare Intl

Wed 5/28

6:10 am-12:15 pm

2 stops39h 05m

$1,171

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 6/2

2:25 pm-2:25 pm

1 stop39h 00m

Chicago O'Hare Intl

Mon 8/25

4:00 pm-11:15 am

1 stop28h 15m

$1,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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

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

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

Currently, August is the cheapest month in which you can book a flight from South Pacific to Illinois (average of $245). Flying from South Pacific to Illinois in March is currently the most expensive (average of $323). 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 SP to IL?

Find hourly flight availability from South Pacific to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

When flying from South Pacific to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated March 31, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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
1,170 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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
1,440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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
8.3
Very good
831 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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.
Singapore Airlines
8.1
Very good
1,286 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Crew

9.1

Boarding

8.7

Entertainment

7.2

Overall

8.7

Comfort

8.0

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 South Pacific to Illinois. 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 South Pacific to Illinois one-way?

    $462 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Qantas Airways and Air New Zealand, with prices starting from $595 and $699, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from South Pacific to Illinois (average of $245). Flying from South Pacific to Illinois in March is currently the most expensive (average of $323). 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 South Pacific to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from South Pacific to Illinois

Discover the top 4 airlines that operate flights from South Pacific to Illinois. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$456Average$962FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,272FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,080Average$1,626FlexibilityNo cancel feeOn-time69%
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