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South Pacific

$444+ Cheap flights from Idaho 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SYD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Idaho to South Pacific

Keep the following information in mind while searching for Idaho to South Pacific flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$800
(Kiwi.com)

One-way from

$444
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$1,131
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Sydney Kingsford Smith flights.
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From Idaho to South Pacific
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One-way flight from Idaho to South Pacific
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Highest demand for flights based on searches. 9% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Idaho to South Pacific

Cheapest flights from Idaho to South Pacific
Explore the most affordable flight options available from Idaho to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:45 pmGEG - SYD
1 stop25h 30mUnited Airlines
Mon 11/1712:10 pmSYD - GEG
1 stop17h 32mUnited Airlines
Deal found 10/27$861
This oojo deal was found by Cheapflights users on 10/26. 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 10/277:00 amGEG - SYD
1 stop32h 00mMultiple Airlines
Mon 11/35:45 pmSYD - GEG
1 stop23h 38mMultiple Airlines
Deal found 10/26$863
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:10 amGEG - SYD
2 stops31h 50mUnited Airlines
Mon 11/312:10 pmSYD - GEG
1 stop17h 32mUnited Airlines
Deal found 10/26$865
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:45 pmGEG - SYD
1 stop26h 30mUnited Airlines
Fri 11/712:10 pmSYD - GEG
1 stop17h 32mUnited Airlines
Deal found 10/28$877
This Trip.com deal was found by Cheapflights users on 10/28. 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.
Sun 11/236:09 amBOI - PPT
1 stop24h 51mMultiple Airlines
Sun 12/77:00 amPPT - BOI
1 stop13h 50mMultiple Airlines
Deal found 10/28$919
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:00 amJAC - AKL
2 stops30h 10mUnited Airlines
Thu 2/53:50 pmAKL - JAC
2 stops24h 52mUnited Airlines
Deal found 10/29$965
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sat 12/137:46 pmBOI - PPT
2 stops36h 34mMultiple Airlines
Sat 12/207:15 amPPT - BOI
1 stop11h 52mMultiple Airlines
Deal found 10/28$1,015
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/234:38 pmBOI - PPT
1 stop14h 22mAlaska Airlines
Sun 12/77:00 amPPT - BOI
2 stops22h 15mAlaska Airlines
Deal found 10/28$1,025
This Jetabroad deal was found by Cheapflights users on 10/26. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:00 amGEG - SYD
2 stops20h 45mHawaiian Airlines
Sat 11/19:40 pmSYD - GEG
2 stops30h 55mHawaiian Airlines
Deal found 10/26$1,029
This FlightHub deal was found by Cheapflights users on 10/26. 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.
Thu 10/3012:33 pmGEG - SYD
1 stop24h 22mQantas Airways
Sat 11/111:20 amSYD - GEG
1 stop20h 38mQantas Airways
Deal found 10/26$1,097
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:45 pmGEG - AKL
1 stop20h 50mDelta
Tue 12/22:35 pmAKL - GEG
1 stop20h 31mDelta
Deal found 10/27$1,137
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:00 amJAC - AKL
2 stops29h 35mDelta
Thu 2/52:35 pmAKL - JAC
2 stops21h 51mDelta
Deal found 10/28$1,141

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 October 29, 2025.
Use the filters below to find and compare flights from Idaho to South Pacific that are best for you.

Fly from

Idaho

Fly to

South Pacific

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 11/4

12:45 pm-9:15 am

1 stop25h 30m

Sydney Kingsford Smith

Mon 11/17

12:10 pm-10:42 am

1 stop17h 32m

$861

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sat 11/1

1:47 pm-9:05 am

2 stops25h 18m

Sydney Kingsford Smith

Fri 11/7

12:10 pm-10:42 am

1 stop17h 32m

$877

BoisePapeete

BOI - PPT

BOIPPT

Boise Air Term. Gowen Fld

Fri 4/24

9:00 am-4:50 am

1 stop23h 50m

Papeete Faaa

Thu 4/30

7:00 am-4:15 pm

2 stops29h 15m

$927

BoiseAuckland

BOI - AKL

BOIAKL

Boise Air Term. Gowen Fld

Wed 2/25

10:38 am-8:35 am

2 stops25h 57m

Auckland Intl

Mon 3/16

1:35 pm-11:58 pm

2 stops29h 23m

$965

JacksonAuckland

JAC - AKL

JACAKL

Jackson Hole

Thu 11/27

7:00 am-9:10 am

2 stops30h 10m

Auckland Intl

Thu 2/5

3:50 pm-2:26 pm

1 stop18h 36m

$965

BoiseNadi

BOI - NAN

BOINAN

Boise Air Term. Gowen Fld

Sun 2/1

8:10 am-5:55 am

2 stops26h 45m

Nadi

Tue 2/17

9:40 pm-10:59 pm

1 stop20h 19m

$1,003

BoisePapeete

BOI - PPT

BOIPPT

Boise Air Term. Gowen Fld

Sat 12/13

7:46 pm-5:20 am

2 stops36h 34m

Papeete Faaa

Sat 12/20

7:15 am-10:07 pm

1 stop11h 52m

$1,015

BoiseNadi

BOI - NAN

BOINAN

Boise Air Term. Gowen Fld

Tue 3/17

9:00 am-5:55 am

2 stops26h 55m

Nadi

Tue 3/24

9:40 pm-12:08 pm

1 stop32h 28m

$1,101

BoiseAuckland

BOI - AKL

BOIAKL

Boise Air Term. Gowen Fld

Wed 2/25

7:30 am-6:05 am

1 stop26h 35m

Auckland Intl

Mon 3/16

8:10 pm-12:04 pm

1 stop34h 54m

$1,114

BoiseAuckland

BOI - AKL

BOIAKL

Boise Air Term. Gowen Fld

Wed 2/25

7:00 am-9:10 am

1 stop30h 10m

Auckland Intl

Mon 3/16

12:20 pm-9:15 pm

1 stop27h 55m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 50 results
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Best time to book a flight from Idaho to South Pacific

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

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

Currently, May is the cheapest month in which you can book a flight from Idaho to South Pacific (average of $452). Flying from Idaho to South Pacific in July is currently the most expensive (average of $1,279). 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 ID to SP?

Find hourly flight availability from Idaho 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 October 29, 2025.

One of the essential ways to save on airfare from Idaho to South Pacific is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 5% on airfare.

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

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

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

Related info for your journey

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

    A quick flight from Idaho to South Pacific can take about 25h 30m. United Airlines provides one of the quickest options available for as low as $861. The distance from Idaho to South Pacific is about 7951 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $444. Users have also found prices from $518 and $642 on American Airlines and Qantas Airways, respectively.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Idaho to South Pacific (average of $452). Flying from Idaho to South Pacific in July is currently the most expensive (average of $1,279). 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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Top 5 airlines flying from Idaho to South Pacific

Discover the top 5 airlines that operate flights from Idaho 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$452Average$977FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$872Average$1,329FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$1,058Average$1,247FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,123Average$1,511FlexibilityNo cancel feeOn-time78%
Alaska AirlinesCheapest$1,193Average$1,324FlexibilityNo cancel feeOn-time75%

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