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$425+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$708
(American Airlines)

One-way from

$425
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$857

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. 11% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 23, 2025.

This American Airlines deal was found by Cheapflights users on 2/22. 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 5/2010:15 amORD - AKL
2 stops31h 10mAmerican Airlines
Deal found 2/22$708
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:00 pmBNE - ORD
1 stop24h 19mMultiple Airlines
Mon 3/178:15 amORD - BNE
1 stop29h 45mMultiple Airlines
Deal found 2/21$711
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/19:40 amBNE - ORD
1 stop19h 16mQantas Airways
Mon 3/178:15 amORD - BNE
1 stop29h 45mQantas Airways
Deal found 2/21$718
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:00 pmBNE - ORD
1 stop24h 19mAmerican Airlines
Mon 3/177:00 amORD - BNE
2 stops31h 00mAmerican Airlines
Deal found 2/21$722
This BestPriceTravel 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:15 amSYD - ORD
1 stop23h 02mQantas Airways
Sat 8/165:06 pmORD - SYD
1 stop22h 59mQantas Airways
Deal found 2/21$726
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:15 amSYD - ORD
2 stops23h 21mAmerican Airlines
Sat 8/165:18 pmORD - SYD
2 stops22h 47mAmerican Airlines
Deal found 2/21$765
This Air Canada deal was found by Cheapflights users on 2/22. 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 3/251:00 pmAKL - ORD
2 stops36h 57mAir Canada
Mon 3/313:45 pmORD - AKL
2 stops31h 05mAir Canada
Deal found 2/22$776
This Bravofly deal was found by Cheapflights users on 2/22. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:10 amSYD - ORD
1 stop21h 26mMultiple Airlines
Sun 8/249:05 pmORD - SYD
2 stops31h 10mMultiple Airlines
Deal found 2/22$846
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:30 pmAKL - ORD
2 stops27h 26mQantas Airways
Mon 6/92:45 pmORD - AKL
2 stops31h 15mQantas Airways
Deal found 2/21$915
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.
Mon 6/210:00 amBNE - ORD
2 stops36h 59mAir Canada
Tue 7/110:40 amORD - BNE
2 stops29h 25mAir Canada
Deal found 2/21$977
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Tue 3/258:00 amAKL - ORD
2 stops31h 44mMultiple Airlines
Mon 3/3112:29 pmORD - AKL
1 stop22h 31mMultiple Airlines
Deal found 2/22$986
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:00 pmMEL - ORD
2 stops34h 56mQantas Airways
Sat 4/125:30 pmORD - MEL
1 stop22h 15mQantas Airways
Deal found 2/21$1,016

Find flights from South Pacific to Illinois within your budget

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 February 23, 2025.

Fly from

South Pacific

Fly to

Illinois

Route

Depart

Return

Price

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

10:15 am-10:25 am

2 stops31h 10m

$708

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 4/1

10:10 am-3:55 pm

1 stop21h 45m

Chicago O'Hare Intl

Thu 5/8

5:38 pm-7:05 am

1 stop22h 27m

$726

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 3/25

1:00 pm-7:57 am

2 stops36h 57m

Chicago O'Hare Intl

Mon 3/31

3:45 pm-4:50 pm

2 stops31h 05m

$776

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 8/7

9:10 am-3:36 pm

1 stop21h 26m

Chicago O'Hare Intl

Sun 8/24

9:05 pm-7:15 pm

2 stops31h 10m

$846

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 5/29

1:30 pm-11:56 pm

2 stops27h 26m

Chicago O'Hare Intl

Mon 6/9

2:45 pm-3:00 pm

2 stops31h 15m

$915

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 4/9

1:10 pm-3:56 pm

2 stops41h 46m

Chicago O'Hare Intl

Thu 4/24

7:20 pm-4:55 pm

2 stops30h 35m

$935

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 6/2

10:00 am-2:43 pm

1 stop19h 43m

Chicago O'Hare Intl

Tue 7/1

10:40 am-7:05 am

2 stops29h 25m

$977

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 3/25

8:00 am-9:44 pm

2 stops31h 44m

Chicago O'Hare Intl

Mon 3/31

12:29 pm-5:00 am

1 stop22h 31m

$986

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 4/5

9:00 pm-3:56 pm

2 stops34h 56m

Chicago O'Hare Intl

Sat 4/12

5:30 pm-6:45 am

1 stop22h 15m

$1,016

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 8/7

9:20 am-8:14 pm

2 stops25h 54m

Chicago O'Hare Intl

Sun 8/24

10:40 am-7:20 am

2 stops29h 40m

$1,023

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from South Pacific to Illinois

Get recent, data-driven insights about flights from South Pacific to Illinois including ideal travel times, pricing trends, and more.

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 $321). 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 February 23, 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 February 23, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
1,201 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
836 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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
1,037 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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

Overall

8.7

Food

7.8

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Crew

9.1

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?

    $434 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on American Airlines and Air New Zealand, with prices starting from $435 and $588, 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 $321). 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$456Average$962FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$631Average$956FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$851Average$1,264FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$964Average$1,636FlexibilityNo cancel feeOn-time69%
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