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Idaho

$899+ Cheap flights from Australia to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOI
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$888
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$1,316
Provider with most accurate pricing for Sydney Kingsford Smith-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Boise Air Term. Gowen Fld flights.
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From Australia to Idaho
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Highest demand for flights based on searches. 3% potential increase in price ($39 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 November 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 November 3, 2025.

This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:05 pmMEL - GEG
1 stop23h 50mQantas Airways
Mon 12/85:17 amGEG - MEL
1 stop28h 43mQantas Airways
Deal found 11/3$899
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/14:05 pmMEL - GEG
2 stops26h 04mAmerican Airlines
Mon 12/85:17 amGEG - MEL
1 stop28h 43mAmerican Airlines
Deal found 11/3$904
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/261:00 pmMEL - GEG
2 stops52h 30mUnited Airlines
Wed 2/41:48 pmGEG - MEL
2 stops24h 42mUnited Airlines
Deal found 11/3$930
This Qantas Airways deal was found by Cheapflights users on 11/1. 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 11/264:05 pmMEL - GEG
1 stop23h 50mQantas Airways
Fri 12/125:17 amGEG - MEL
1 stop28h 43mQantas Airways
Deal found 11/1$939
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/264:05 pmMEL - GEG
2 stops26h 04mAmerican Airlines
Fri 12/125:17 amGEG - MEL
1 stop28h 43mAmerican Airlines
Deal found 11/1$953
This Delta deal was found by Cheapflights users on 11/3. 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.
Fri 12/2610:10 amMEL - GEG
1 stop29h 36mDelta
Wed 2/46:29 amGEG - MEL
1 stop30h 31mDelta
Deal found 11/3$1,147
This Qantas Airways deal was found by Cheapflights users on 11/3. 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.
Fri 12/264:45 pmMEL - GEG
3 stops25h 25mMultiple Airlines
Wed 2/41:38 pmGEG - MEL
2 stops24h 52mMultiple Airlines
Deal found 11/3$1,555
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/2611:30 amMEL - GEG
2 stops28h 28mUnited Airlines
Sat 12/274:00 pmGEG - MEL
2 stops46h 30mUnited Airlines
Deal found 11/3$1,596
This oojo deal was found by Cheapflights users on 11/3. 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.
Sun 11/3012:45 amMEL - GEG
2 stops64h 39mCathay Pacific
Mon 12/81:52 pmGEG - MEL
2 stops38h 08mCathay Pacific
Deal found 11/3$2,233

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 November 3, 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

Mon 12/1

4:05 pm-8:55 pm

1 stop23h 50m

Spokane

Mon 12/8

5:17 am-5:00 am

1 stop28h 43m

$899

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Mon 12/1

4:05 pm-11:09 pm

2 stops26h 04m

Spokane

Mon 12/8

5:17 am-5:00 am

1 stop28h 43m

$904

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Wed 11/26

4:05 pm-8:55 pm

1 stop23h 50m

Spokane

Fri 12/12

5:17 am-5:00 am

1 stop28h 43m

$939

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Wed 11/26

4:05 pm-11:09 pm

2 stops26h 04m

Spokane

Fri 12/12

5:17 am-5:00 am

1 stop28h 43m

$953

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Thu 2/19

7:40 pm-10:36 pm

2 stops43h 56m

Boise Air Term. Gowen Fld

Mon 2/23

7:02 pm-5:00 am

2 stops40h 58m

$954

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 12/26

10:10 am-8:46 pm

1 stop29h 36m

Spokane

Wed 2/4

5:15 am-8:00 am

2 stops31h 45m

$1,147

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 12/26

4:45 pm-11:10 pm

3 stops25h 25m

Spokane

Wed 2/4

1:38 pm-9:30 am

2 stops24h 52m

$1,555

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 12/26

11:30 am-8:58 pm

2 stops28h 28m

Spokane

Sat 12/27

4:00 pm-9:30 am

2 stops46h 30m

$1,596

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Thu 2/19

11:40 am-4:07 pm

1 stop21h 27m

Boise Air Term. Gowen Fld

Mon 2/23

10:53 am-7:30 am

1 stop27h 37m

$1,729

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sun 11/30

12:45 am-10:24 pm

2 stops64h 39m

Spokane

Mon 12/8

1:52 pm-11:00 pm

2 stops38h 08m

$2,233

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 17 results
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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
No data available for this route at this time. Please check back soon.

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 November 3, 2025.
Read reviews from past customers who have flown United Airlines from Australia to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Australia to Idaho?

    Airlines like Qantas Airways, American Airlines, and Delta fly from Australia to Idaho in about 23h 50m. The time it takes to get you to your destination can typically vary by up to 5h 46m. The distance from Australia to Idaho is about 8388 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,019Average$1,308FlexibilityNo cancel feeOn-time69%

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