Cheap flights from Illinois to South Pacific from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to South Pacific departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to South Pacific

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
4:13 pm - 9:10 am
STL
-
AKL
21h 57m
1 stop
Qantas Airways Logo
12:20 pm - 5:13 pm
AKL
-
STL
22h 53m
1 stop
$775Qantas Airways
Mon, Mar 2 - Tue, Mar 10
Qantas Airways Logo
4:13 pm - 9:10 am
STL
-
AKL
21h 57m
1 stop
Qantas Airways Logo
12:20 pm - 3:28 pm
AKL
-
STL
21h 08m
1 stop
$776Qantas Airways
Mon, Mar 2 - Tue, Mar 10
United Airlines Logo
5:25 pm - 9:10 am
STL
-
AKL
20h 45m
1 stop
United Airlines Logo
2:50 pm - 10:25 pm
AKL
-
STL
25h 35m
1 stop
$786United Airlines
Tue, Mar 3 - Tue, Mar 17
United Airlines Logo
5:25 pm - 9:10 am
STL
-
AKL
20h 45m
1 stop
United Airlines Logo
2:50 pm - 8:41 pm
AKL
-
STL
23h 51m
2 stops
$791United Airlines
Tue, Mar 3 - Tue, Mar 17
Air Canada Logo
3:35 pm - 11:00 am
ORD
-
AKL
48h 25m
2 stops
Air Canada Logo
1:00 pm - 5:05 pm
AKL
-
ORD
46h 05m
2 stops
$856Air Canada
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
9:15 pm - 11:00 am
ORD
-
AKL
42h 45m
2 stops
Multiple Airlines Logo
1:00 pm - 2:41 pm
AKL
-
ORD
19h 41m
1 stop
$857Multiple Airlines
Tue, Mar 3 - Mon, Mar 9
Air Canada Logo
3:35 pm - 11:00 am
ORD
-
AKL
48h 25m
2 stops
Air Canada Logo
1:00 pm - 8:10 pm
AKL
-
ORD
25h 10m
2 stops
$859Air Canada
Tue, Mar 3 - Mon, Mar 9
Multiple Airlines Logo
7:21 pm - 6:45 am
ORD
-
MEL
44h 24m
1 stop
Multiple Airlines Logo
1:30 pm - 5:50 am
MEL
-
ORD
31h 20m
2 stops
$921Multiple Airlines
Mon, Apr 20 - Mon, May 11
American Airlines Logo
4:13 pm - 9:30 am
STL
-
MEL
25h 17m
2 stops
American Airlines Logo
12:00 pm - 11:58 pm
MEL
-
STL
27h 58m
1 stop
$1,273American Airlines
Thu, Mar 12 - Sat, Mar 21
American Airlines Logo
6:38 am - 9:30 am
STL
-
MEL
34h 52m
1 stop
American Airlines Logo
12:00 pm - 11:58 pm
MEL
-
STL
27h 58m
1 stop
$1,279American Airlines
Thu, Mar 12 - Sat, Mar 21

Qantas Airways flights from Illinois to South Pacific

Our best Qantas Airways deals on Illinois to South Pacific flight tickets
Qantas Airways
Mar 2
STL4:13 pmLambert-St Louis
21h 57m
1 stop
AKL9:10 amAuckland Intl
Mar 10
AKL12:20 pmAuckland Intl
22h 53m
1 stop
STL5:13 pmLambert-St Louis
$775
Qantas Airways
Mar 2
STL4:13 pmLambert-St Louis
21h 57m
1 stop
AKL9:10 amAuckland Intl
Mar 10
AKL12:20 pmAuckland Intl
21h 08m
1 stop
STL3:28 pmLambert-St Louis
$776
Qantas Airways
Mar 2
STL4:13 pmLambert-St Louis
21h 57m
1 stop
AKL9:10 amAuckland Intl
Mar 10
AKL1:15 pmAuckland Intl
28h 43m
2 stops
STL11:58 pmLambert-St Louis
$787

ANA flights from Illinois to South Pacific

Our best ANA deals on Illinois to South Pacific flight tickets
ANA
May 8
ORD1:01 pmChicago O'Hare Intl
27h 04m
2 stops
BNE7:05 amBrisbane
May 25
BNE10:00 amBrisbane
21h 36m
2 stops
ORD4:36 pmChicago O'Hare Intl
$1,058
ANA
Apr 6
ORD5:45 pmChicago O'Hare Intl
34h 30m
1 stop
SYD7:15 pmSydney Kingsford Smith
May 6
SYD8:55 pmSydney Kingsford Smith
26h 45m
1 stop
ORD8:40 amChicago O'Hare Intl
$1,175

momondo 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, momondo users made 832,500 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Illinois to South Pacific that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Mon 3/2

4:13 pm-9:10 am

1 stop21h 57m

Auckland Intl

Tue 3/10

12:20 pm-5:13 pm

1 stop22h 53m

$775

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Mon 3/2

4:13 pm-9:10 am

1 stop21h 57m

Auckland Intl

Tue 3/10

12:20 pm-3:28 pm

1 stop21h 08m

$776

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

5:25 pm-9:10 am

1 stop20h 45m

Auckland Intl

Tue 3/17

2:50 pm-10:25 pm

1 stop25h 35m

$786

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

5:25 pm-9:10 am

1 stop20h 45m

Auckland Intl

Tue 3/17

2:50 pm-8:41 pm

2 stops23h 51m

$791

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/3

3:35 pm-11:00 am

2 stops48h 25m

Auckland Intl

Tue 3/10

1:00 pm-5:05 pm

2 stops46h 05m

$856

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/3

9:15 pm-11:00 am

2 stops42h 45m

Auckland Intl

Mon 3/9

1:00 pm-2:41 pm

1 stop19h 41m

$857

ChicagoAuckland

ORD - AKL

ORDAKL

Chicago O'Hare Intl

Tue 3/3

3:35 pm-11:00 am

2 stops48h 25m

Auckland Intl

Mon 3/9

1:00 pm-8:10 pm

2 stops25h 10m

$859

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 4/20

7:21 pm-6:45 am

1 stop44h 24m

Melbourne

Mon 5/11

1:30 pm-5:50 am

2 stops31h 20m

$921

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 3/12

4:13 pm-9:30 am

2 stops25h 17m

Melbourne

Sat 3/21

12:00 pm-11:58 pm

1 stop27h 58m

$1,273

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 3/12

6:38 am-9:30 am

1 stop34h 52m

Melbourne

Sat 3/21

12:00 pm-11:58 pm

1 stop27h 58m

$1,279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to South Pacific

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South Pacific?

In general, October is the cheapest month to fly from Illinois to South Pacific. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $966. If you’re not able to fly to South Pacific in October, then February is your next best option. Flight prices from Illinois to South Pacific during February average around $1,097.

How far in advance should I book a flight to South Pacific?

You are more likely to see cheaper flights to South Pacific from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to South Pacific for around $1,265 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Pacific from Illinois for as low as $1,052 on momondo.

Can stopping save me money on Illinois to South Pacific flights?

You could potentially save up to 10% on your flight if you consider stops on a Illinois to South Pacific flight.

Cheap Illinois to South Pacific flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to South Pacific

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from Illinois to South Pacific takes 17h 00m
There are no direct flights from Illinois to South Pacific. There are no popular flight routes from Illinois to South Pacific.
  • When did momondo last update prices for flights from Illinois to South Pacific?

    Prices for flights from Illinois to South Pacific were last updated today.

  • How many operators does momondo search for flights from Illinois to South Pacific?

  • How old do you have to be to fly from Illinois to South Pacific?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to South Pacific.

  • What documentation or ID do you need to fly to South Pacific?

    The necessary travel and health documents for your South Pacific trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to South Pacific

Compare and see reviews for airlines that fly from Illinois to South Pacific with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $307Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
Air CanadaPriceFrom $428Free CancellationRating
7.1
10,707 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $675Free CancellationRating
7.5
988 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $698Free CancellationRating
7.2
11,266 reviews
Search American Airlines flights
Fiji AirwaysPriceFrom $735Free CancellationRating
8.0
225 reviews
Search Fiji Airways flights
DeltaPriceFrom $935Free CancellationRating
7.9
8,180 reviews
Search Delta flights
Air Tahiti NuiPriceFrom $1,046Free CancellationRating
8.5
75 reviews
Search Air Tahiti Nui flights
Air New ZealandPriceFrom $1,062Free CancellationRating
8.0
582 reviews
Search Air New Zealand flights
ANAPriceFrom $1,177Free CancellationRating
8.4
1,090 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,229Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to South Pacific?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to South Pacific. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to South Pacific with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to South Pacific flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to South Pacific?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South Pacific from Illinois.

I’m not ready to book a flight from Illinois to South Pacific right now. Can momondo alert me if prices change?

Price alerts on flights to South Pacific from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Thu 3/12
Thu 3/19

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