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Idaho

$790+ 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
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,296
(United Airlines)

One-way from

$790
(United Airlines)

Popular in

March

Cheapest in

July

Average price

$1,204
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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One-way flight from Australia to Idaho
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Highest demand for flights based on searches. 16% potential increase in price ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2010:20 amSYD - BOI
1 stop22h 21mUnited Airlines
Sun 6/295:42 pmBOI - SYD
2 stops45h 18mUnited Airlines
Deal found 4/1$1,296
This United deal was found by Cheapflights users on 4/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/710:55 amMEL - GEG
2 stops26h 53mUnited Airlines
Thu 7/106:25 pmGEG - MEL
2 stops44h 05mUnited Airlines
Deal found 4/1$1,393
This Jetabroad deal was found by Cheapflights users on 4/1. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/179:00 amMEL - GEG
3 stops31h 54mHawaiian Airlines
Sat 5/245:06 amGEG - MEL
3 stops33h 29mHawaiian Airlines
Deal found 4/1$1,528
This Qantas Airways deal was found by Cheapflights users on 4/1. 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.
Sat 6/73:50 pmMEL - GEG
3 stops25h 04mMultiple Airlines
Thu 7/106:49 pmGEG - MEL
2 stops23h 46mMultiple Airlines
Deal found 4/1$1,852
This Singapore Airlines deal was found by Cheapflights users on 4/1. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/203:00 pmSYD - BOI
3 stops47h 54mMultiple Airlines
Sun 6/296:25 amBOI - SYD
2 stops42h 20mMultiple Airlines
Deal found 4/1$2,519
This Aunt Betty deal was found by Cheapflights users on 4/1. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/209:20 amSYD - BOI
3 stops29h 37mAir Canada
Sun 6/297:00 amBOI - SYD
3 stops32h 20mAir Canada
Deal found 4/1$2,644

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 April 2, 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

Fri 6/20

10:20 am-4:41 pm

1 stop22h 21m

Boise Air Term. Gowen Fld

Sun 6/29

7:15 pm-7:00 am

3 stops43h 45m

$1,296

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 6/7

10:55 am-8:48 pm

2 stops26h 53m

Spokane

Thu 7/10

6:25 pm-7:30 am

2 stops44h 05m

$1,393

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 5/17

9:00 am-11:54 pm

3 stops31h 54m

Spokane

Sat 5/24

5:06 am-7:35 am

3 stops33h 29m

$1,528

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 6/7

3:50 pm-11:54 pm

3 stops25h 04m

Spokane

Thu 7/10

6:49 pm-11:35 am

2 stops23h 46m

$1,852

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 6/20

3:00 pm-10:54 pm

3 stops47h 54m

Boise Air Term. Gowen Fld

Sun 6/29

6:25 am-4:45 pm

2 stops42h 20m

$2,519

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 6/20

9:20 am-10:57 pm

3 stops29h 37m

Boise Air Term. Gowen Fld

Sun 6/29

7:00 am-7:20 am

3 stops32h 20m

$2,644

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Wed 7/16

10:20 am-11:31 pm

1 stop29h 11m

$790

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Wed 7/16

12:45 pm-10:54 pm

3 stops26h 09m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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 $419). 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 April 2, 2025.
Hawaiian Airlines
7.9
Good
2,345 reviews

Comfort

7.7

Crew

8.5

Entertainment

7.2

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Roy,Feb 2025

KOA - HNL

Kona Airport waiting area a nightmare, no regular flight updates and we missed our flight to Auckland from Honolulu, costing us three unwanted days in Honolulu. Never again.
Hawaiian Airlines
7.9
Good
2,345 reviews
Hawaiian Airlines
7.9
Good
2,345 reviews

Comfort

7.7

Crew

8.5

Entertainment

7.2

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Roy,Feb 2025

KOA - HNL

Kona Airport waiting area a nightmare, no regular flight updates and we missed our flight to Auckland from Honolulu, costing us three unwanted days in Honolulu. Never again.
United Airlines
7.4
Good
8,615 reviews
Hawaiian Airlines
7.9
Good
2,345 reviews

Comfort

7.7

Crew

8.5

Entertainment

7.2

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Roy,Feb 2025

KOA - HNL

Kona Airport waiting area a nightmare, no regular flight updates and we missed our flight to Auckland from Honolulu, costing us three unwanted days in Honolulu. Never again.
Air Canada
7.0
Good
9,022 reviews
Hawaiian Airlines
7.9
Good
2,345 reviews

Comfort

7.7

Crew

8.5

Entertainment

7.2

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Roy,Feb 2025

KOA - HNL

Kona Airport waiting area a nightmare, no regular flight updates and we missed our flight to Auckland from Honolulu, costing us three unwanted days in Honolulu. Never again.

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 $419). 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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