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Idaho

$692+ Cheap flights from Australia to Idaho

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Australia to Idaho

Keep the following information in mind while searching for Australia to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$1,077
(Delta)

One-way from

$692
(Delta)

Popular in

July

Cheapest in

September

Average price

$1,140
From Australia to Idaho
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One-way flight from Australia to Idaho
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Australia to Idaho

Cheapest flights from Australia to Idaho
Explore the most affordable flight options available from Australia to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:25 amSYD - BOI
1 stop29h 32mDelta
Sun 8/34:20 pmBOI - SYD
2 stops22h 15mDelta
Deal found 6/11$1,077
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:00 pmMEL - GEG
1 stop29h 29mUnited Airlines
Tue 12/27:00 amGEG - MEL
1 stop32h 00mUnited Airlines
Deal found 6/11$1,095
This BYOjet deal was found by Cheapflights users on 6/12. 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 7/301:50 pmBNE - BOI
2 stops25h 04mMultiple Airlines
Wed 12/107:30 amBOI - BNE
2 stops33h 25mMultiple Airlines
Deal found 6/12$1,114
This Jetabroad deal was found by Cheapflights users on 6/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/313:05 pmBNE - BOI
3 stops34h 08mHawaiian Airlines
Wed 12/106:00 amBOI - BNE
3 stops33h 00mHawaiian Airlines
Deal found 6/10$1,433
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:30 amBNE - BOI
1 stop29h 04mUnited Airlines
Sun 9/149:52 amBOI - BNE
1 stop28h 38mUnited Airlines
Deal found 6/11$1,441
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:05 pmBNE - BOI
2 stops32h 41mAmerican Airlines
Sun 9/146:59 amBOI - BNE
2 stops30h 26mAmerican Airlines
Deal found 6/11$1,517
This Singapore Airlines deal was found by Cheapflights users on 6/11. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:50 pmBNE - BOI
2 stops53h 40mSingapore Airlines
Fri 9/126:35 amBOI - BNE
2 stops42h 10mSingapore Airlines
Deal found 6/11$1,620
This Jetabroad deal was found by Cheapflights users on 6/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/277:05 amSYD - BOI
3 stops22h 50mMultiple Airlines
Sun 8/34:50 pmBOI - SYD
3 stops25h 30mMultiple Airlines
Deal found 6/11$1,819
This Qantas Airways deal was found by Cheapflights users on 6/11. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:30 pmMEL - GEG
3 stops22h 49mMultiple Airlines
Tue 12/22:05 pmGEG - MEL
2 stops24h 30mMultiple Airlines
Deal found 6/11$1,830
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/262:20 amDRW - GEG
2 stops31h 57mQantas Airways
Sun 8/312:27 pmGEG - DRW
2 stops31h 38mQantas Airways
Deal found 6/12$1,995
This BYOjet deal was found by Cheapflights users on 6/12. 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 7/308:45 pmBNE - BOI
3 stops35h 55mAir Canada
Wed 12/1010:40 amBOI - BNE
3 stops33h 50mAir Canada
Deal found 6/12$2,020
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/301:55 amBNE - BOI
2 stops60h 57mEmirates
Wed 12/1010:40 amBOI - BNE
2 stops43h 00mEmirates
Deal found 6/10$3,249

Cheapflights Fare Finder

Customize your flight search to find flights from Australia to Idaho 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 June 12, 2025.
Use the filters below to find and compare flights from Australia to Idaho that are best for you.

Fly from

Australia

Fly to

Idaho

Route

Depart

Return

Price

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 7/27

9:25 am-8:20 pm

2 stops26h 55m

Boise Air Term. Gowen Fld

Sun 8/3

12:50 pm-6:35 am

2 stops25h 45m

$1,077

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Wed 11/12

11:30 am-3:21 pm

2 stops22h 51m

Spokane

Tue 12/2

5:00 am-9:30 am

2 stops33h 30m

$1,095

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Wed 7/30

1:50 pm-10:54 pm

2 stops25h 04m

Boise Air Term. Gowen Fld

Wed 12/10

7:30 am-9:55 am

2 stops33h 25m

$1,114

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Thu 7/31

3:05 pm-9:13 am

3 stops34h 08m

Boise Air Term. Gowen Fld

Wed 12/10

6:00 am-8:00 am

3 stops33h 00m

$1,433

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Tue 8/26

10:30 am-9:14 pm

2 stops26h 44m

Boise Air Term. Gowen Fld

Sun 9/14

7:00 am-6:30 am

2 stops31h 30m

$1,441

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Mon 8/25

8:05 pm-12:46 pm

2 stops32h 41m

Boise Air Term. Gowen Fld

Sun 9/14

6:59 am-5:25 am

2 stops30h 26m

$1,517

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Tue 8/26

11:50 pm-1:30 pm

2 stops53h 40m

Boise Air Term. Gowen Fld

Fri 9/12

6:35 am-4:45 pm

2 stops42h 10m

$1,620

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 7/27

7:05 am-1:55 pm

3 stops22h 50m

Boise Air Term. Gowen Fld

Sun 8/3

4:50 pm-10:20 am

3 stops25h 30m

$1,819

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Wed 11/12

5:30 pm-9:19 pm

3 stops22h 49m

Spokane

Tue 12/2

2:05 pm-9:35 am

2 stops24h 30m

$1,830

DarwinSpokane

DRW - GEG

DRWGEG

Darwin

Sat 7/26

2:20 am-5:47 pm

2 stops31h 57m

Spokane

Sun 8/3

12:27 pm-12:35 pm

2 stops31h 38m

$1,995

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
1
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Best time to book a flight from Australia to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Australia to Idaho (average of $314). Flying from Australia to Idaho in June is currently the most expensive (average of $395). 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.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated June 12, 2025.
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Emirates
8.1
Very good
3,264 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Delta
8.0
Very good
7,950 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Hawaiian Airlines
7.9
Good
2,494 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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 Australia to Idaho. 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 Australia to Idaho one-way?

    $692 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Tahiti Nui and United Airlines, with prices starting from $1,100 and $4,895, respectively.

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

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

  • How can I find direct flights from Australia to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Australia to Idaho 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 Australia to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Australia to Idaho (average of $314). Flying from Australia to Idaho in June is currently the most expensive (average of $395). 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 Australia to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Australia to Idaho

Discover the top airline that operate flights from Australia to Idaho. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$739Average$1,500FlexibilityNo cancel feeOn-time69%

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