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Idaho

$648+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOI
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$824
(United Airlines)

One-way from

$648
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$1,498
From Australia to Idaho
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One-way flight from Australia to Idaho
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Highest demand for flights based on searches. 9% potential increase in price ($122 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 July 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 julio 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
dom. 9/1410:55 amMEL - GEG
1 stop29h 10mUnited Airlines
dom. 9/215:15 amGEG - MEL
2 stops34h 00mUnited Airlines
Deal found 7/31$824
This United Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 9/139:30 amSYD - BOI
2 stops24h 29mUnited Airlines
sáb. 9/202:42 pmBOI - SYD
2 stops24h 13mUnited Airlines
Deal found 7/30$833
This TravelUp deal was found by Cheapflights users on 7/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:45 amMEL - GEG
2 stops28h 54mQantas Airways
vie. 9/1912:35 pmGEG - MEL
1 stop23h 25mQantas Airways
Deal found 7/29$1,147
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:45 amMEL - GEG
1 stop20h 00mMultiple Airlines
vie. 9/191:25 pmGEG - MEL
1 stop24h 20mMultiple Airlines
Deal found 7/29$1,173
This Jetabroad deal was found by Cheapflights users on 7/31. 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.
sáb. 8/306:05 pmMEL - GEG
3 stops32h 09mHawaiian Airlines
vie. 9/195:06 amGEG - MEL
3 stops25h 09mHawaiian Airlines
Deal found 7/31$1,266
This United Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 10/3012:40 amDRW - GEG
2 stops39h 19mUnited Airlines
mar. 11/47:00 amGEG - DRW
2 stops37h 05mUnited Airlines
Deal found 7/30$1,360
This Flightnetwork deal was found by Cheapflights users on 7/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/139:20 amSYD - BOI
3 stops40h 22mAir Canada
sáb. 9/207:45 amBOI - SYD
2 stops31h 35mAir Canada
Deal found 7/30$1,560
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
sáb. 12/209:40 pmSYD - BOI
2 stops30h 27mAlaska Airlines
dom. 12/287:15 amBOI - SYD
2 stops42h 30mAlaska Airlines
Deal found 7/31$2,005
This Delta deal was found by Cheapflights users on 7/31. 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.
sáb. 12/2010:40 amSYD - BOI
1 stop21h 28mDelta
dom. 12/285:36 amBOI - SYD
2 stops31h 14mDelta
Deal found 7/31$2,015
This oojo deal was found by Cheapflights users on 7/31. 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.
sáb. 12/207:15 pmSYD - BOI
3 stops45h 47mAir Tahiti Nui
dom. 12/287:15 amBOI - SYD
3 stops43h 35mAir Tahiti Nui
Deal found 7/31$2,233
This Qantas Airways deal was found by Cheapflights users on 7/30. 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.
jue. 10/306:15 amNTL - BOI
2 stops33h 47mQantas Airways
lun. 11/38:08 amBOI - NTL
2 stops42h 37mQantas Airways
Deal found 7/30$2,412
This Orbitz deal was found by Cheapflights users on 7/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:15 pmSYD - BOI
3 stops45h 47mMultiple Airlines
dom. 12/287:00 amBOI - SYD
2 stops31h 45mMultiple Airlines
Deal found 7/31$2,537

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 julio 31, 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

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

dom. 9/14

10:55 am-11:05 pm

1 stop29h 10m

Spokane

dom. 9/21

5:15 am-8:15 am

2 stops34h 00m

$824

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

sáb. 9/13

9:30 am-5:59 pm

2 stops24h 29m

Boise Air Term. Gowen Fld

sáb. 9/20

2:42 pm-6:55 am

2 stops24h 13m

$833

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

sáb. 8/30

6:05 pm-9:14 am

3 stops32h 09m

Spokane

vie. 9/19

5:06 am-11:15 pm

3 stops25h 09m

$1,266

DarwinSpokane

DRW - GEG

DRWGEG

Darwin

jue. 10/30

12:40 am-11:29 pm

2 stops39h 19m

Spokane

mar. 11/4

7:00 am-1:35 pm

2 stops37h 05m

$1,360

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

sáb. 9/13

9:20 am-9:42 am

3 stops40h 22m

Boise Air Term. Gowen Fld

sáb. 9/20

7:45 am-7:20 am

2 stops31h 35m

$1,560

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

sáb. 8/30

9:45 am-10:25 pm

1 stop29h 40m

Spokane

vie. 9/19

1:25 pm-6:45 am

1 stop24h 20m

$1,657

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

sáb. 8/30

9:45 am-10:25 pm

1 stop29h 40m

Spokane

vie. 9/19

6:00 am-5:00 am

1 stop30h 00m

$1,855

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

sáb. 12/20

9:40 pm-10:07 am

2 stops30h 27m

Boise Air Term. Gowen Fld

dom. 12/28

7:15 am-7:45 pm

2 stops42h 30m

$2,005

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

sáb. 12/20

10:40 am-2:08 pm

1 stop21h 28m

Boise Air Term. Gowen Fld

dom. 12/28

5:36 am-6:50 am

2 stops31h 14m

$2,015

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

sáb. 12/20

7:15 pm-11:02 pm

3 stops45h 47m

Boise Air Term. Gowen Fld

dom. 12/28

7:15 am-8:50 pm

3 stops43h 35m

$2,233

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 15 results
1
2

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 $398). 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.

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 julio 31, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Alaska Airlines, and Delta from Australia to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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
8.6
Very good
68 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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
7,981 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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
7.8
Good
2,611 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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.
Qantas Airways
7.5
Good
887 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Food

7.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.6

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.

  • 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 $398). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$739Average$1,454FlexibilityNo cancel feeOn-time69%

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