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South Pacific

$537+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SYD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$898
(United Airlines)

One-way from

$537
(Trip.com)

Popular in

January

Cheapest in

May

Average price

$1,056
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. 12% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This lol.travel deal was found by Cheapflights users on 9/9. 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.
Thu 9/111:38 pmGEG - SYD
2 stops24h 22mUnited Airlines
Thu 9/259:30 amSYD - GEG
2 stops22h 40mUnited Airlines
Deal found 9/9$813
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/275:10 amGEG - SYD
2 stops30h 50mUnited Airlines
Mon 12/812:10 pmSYD - GEG
1 stop18h 42mUnited Airlines
Deal found 9/9$897
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/2512:45 pmGEG - SYD
1 stop25h 30mUnited Airlines
Fri 12/512:10 pmSYD - GEG
1 stop25h 34mUnited Airlines
Deal found 9/10$898
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/261:47 pmGEG - SYD
2 stops46h 13mUnited Airlines
Sun 12/712:10 pmSYD - GEG
2 stops27h 49mUnited Airlines
Deal found 9/10$902
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/44:05 pmGEG - SYD
2 stops67h 55mUnited Airlines
Mon 11/1712:10 pmSYD - GEG
1 stop17h 32mUnited Airlines
Deal found 9/10$915
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/91:38 pmBOI - SYD
1 stop25h 17mAmerican Airlines
Tue 9/1612:10 pmSYD - BOI
1 stop25h 38mAmerican Airlines
Deal found 9/8$970
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/107:00 amBOI - SYD
1 stop31h 55mAmerican Airlines
Wed 9/1712:10 pmSYD - BOI
1 stop25h 38mAmerican Airlines
Deal found 9/9$971
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/241:38 pmGEG - BNE
2 stops23h 52mUnited Airlines
Fri 10/3110:40 amBNE - GEG
2 stops27h 05mUnited Airlines
Deal found 9/9$982
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/252:38 pmGEG - AKL
1 stop20h 57mDelta
Sat 11/11:35 pmAKL - GEG
1 stop20h 23mDelta
Deal found 9/10$1,003
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 11/54:00 pmBOI - AKL
1 stop20h 35mDelta
Wed 11/192:35 pmAKL - BOI
1 stop20h 39mDelta
Deal found 9/9$1,062
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/117:34 pmGEG - PPT
2 stops36h 16mMultiple Airlines
Sat 10/187:00 amPPT - GEG
1 stop27h 04mMultiple Airlines
Deal found 9/11$1,073
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/251:52 pmGEG - PPT
2 stops42h 28mMultiple Airlines
Sat 11/17:15 amPPT - GEG
1 stop28h 30mMultiple Airlines
Deal found 9/9$1,127

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 September 11, 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

Thu 11/27

5:10 am-7:00 am

2 stops30h 50m

Sydney Kingsford Smith

Mon 12/8

12:10 pm-11:52 am

1 stop18h 42m

$897

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 11/25

12:45 pm-9:15 am

1 stop25h 30m

Sydney Kingsford Smith

Fri 12/5

12:10 pm-6:44 pm

1 stop25h 34m

$898

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 11/26

1:47 pm-7:00 am

2 stops46h 13m

Sydney Kingsford Smith

Sun 12/7

12:10 pm-6:44 pm

1 stop25h 34m

$902

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 12/1

5:10 am-9:05 am

2 stops32h 55m

Sydney Kingsford Smith

Fri 12/12

2:00 pm-8:59 pm

2 stops49h 59m

$915

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 11/4

4:05 pm-7:00 am

2 stops67h 55m

Sydney Kingsford Smith

Mon 11/17

12:10 pm-10:42 am

1 stop17h 32m

$915

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Fri 10/24

12:35 pm-6:30 am

1 stop24h 55m

Brisbane

Fri 10/31

10:40 am-8:45 pm

2 stops27h 05m

$982

SpokaneAuckland

GEG - AKL

GEGAKL

Spokane

Thu 2/5

12:24 pm-9:10 am

1 stop23h 46m

Auckland Intl

Mon 4/20

1:50 pm-9:24 pm

1 stop26h 34m

$995

SpokaneAuckland

GEG - AKL

GEGAKL

Spokane

Wed 2/4

5:00 am-9:10 am

2 stops31h 10m

Auckland Intl

Mon 4/20

1:50 pm-9:24 pm

1 stop26h 34m

$995

SpokaneAuckland

GEG - AKL

GEGAKL

Spokane

Sat 10/25

2:38 pm-7:35 am

1 stop20h 57m

Auckland Intl

Sat 11/1

1:35 pm-1:58 pm

1 stop20h 23m

$1,003

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 2/2

5:30 am-7:45 pm

2 stops20h 15m

Sydney Kingsford Smith

Sat 2/28

9:40 pm-11:55 pm

2 stops20h 15m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 49 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, February is the cheapest month in which you can book a flight from Idaho to South Pacific (average of $1,035). Flying from Idaho to South Pacific in December is currently the most expensive (average of $1,626). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to South Pacific as you normally would.

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 20h 15m. United Airlines provides one of the quickest options available for as low as $1,052. The distance from Idaho to South Pacific is about 7894 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 $582. Users have also found prices from $621 and $853 on Delta and Air France, 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, February is the cheapest month in which you can book a flight from Idaho to South Pacific (average of $1,035). Flying from Idaho to South Pacific in December is currently the most expensive (average of $1,626). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to South Pacific

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Top 6 airlines flying from Idaho to South Pacific

Discover the top 6 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$452Average$977FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$872Average$1,357FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$987Average$1,296FlexibilityNo cancel feeOn-time71%
Air Tahiti NuiCheapest$1,058Average$1,233FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$1,150Average$1,523FlexibilityNo cancel feeOn-time78%
Alaska AirlinesCheapest$1,193Average$1,324FlexibilityNo cancel feeOn-time75%

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