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$517+ Cheap flights from Idaho to Australia

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SYD
Nov 19 — Nov 261
Tue 11/19
Tue 11/26
1 adult, Economy
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Cheap flight deals from Idaho to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 14, 2024.

Find flight deals from Idaho to Australia

Cheapest flights from Idaho to Australia
Explore the most affordable flight options available from Idaho to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/79:15 amBOI - SYD
2 stops53h 45mAlaska Airlines
Fri 12/1311:15 amSYD - BOI
2 stops40h 16mAlaska Airlines
Deal found 11/13$1,431
This United deal was found by Cheapflights users on 11/13. 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.
Sun 12/110:40 amBOI - SYD
1 stop28h 35mUnited Airlines
Sun 12/812:10 pmSYD - BOI
1 stop22h 02mUnited Airlines
Deal found 11/13$1,541
This Flysmarter deal was found by Cheapflights users on 11/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/176:10 amGEG - PER
2 stops44h 35mQatar Airways
Thu 11/2110:45 pmPER - GEG
2 stops36h 20mQatar Airways
Deal found 11/12$1,778
This Ovago deal was found by Cheapflights users on 11/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:54 pmBOI - ADL
2 stops28h 26mAir New Zealand
Mon 12/3011:50 amADL - BOI
2 stops27h 53mAir New Zealand
Deal found 11/13$1,779
This Ovago deal was found by Cheapflights users on 11/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/173:50 pmGEG - SYD
1 stop22h 25mAir New Zealand
Tue 11/1911:45 amSYD - GEG
2 stops22h 21mAir New Zealand
Deal found 11/14$1,839
This Gurufare deal was found by Cheapflights users on 11/14. 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.
Sun 11/173:59 pmGEG - SYD
1 stop19h 11mQantas Airways
Tue 11/195:25 pmSYD - GEG
1 stop24h 09mQantas Airways
Deal found 11/14$2,360
This Cathay Pacific deal was found by Cheapflights users on 11/13. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:55 pmBOI - SYD
2 stops44h 40mMultiple Airlines
Mon 12/212:00 pmSYD - BOI
3 stops43h 08mMultiple Airlines
Deal found 11/13$2,375
This Singapore Airlines deal was found by Cheapflights users on 11/12. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/175:00 amGEG - PER
2 stops26h 55mSingapore Airlines
Wed 11/201:10 amPER - GEG
2 stops25h 42mSingapore Airlines
Deal found 11/12$2,412
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:58 pmBOI - ADL
3 stops46h 22mMultiple Airlines
Mon 12/3011:50 amADL - BOI
3 stops52h 38mMultiple Airlines
Deal found 11/13$2,469
This Qantas Airways deal was found by Cheapflights users on 11/14. 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.
Sun 11/178:24 amGEG - SYD
3 stops26h 46mMultiple Airlines
Tue 11/198:30 amSYD - GEG
3 stops27h 19mMultiple Airlines
Deal found 11/14$3,220
This KAYAK deal was found by Cheapflights users on 11/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/111:56 pmBOI - SYD
3 stops63h 29mLATAM Airlines
Sun 12/811:40 amSYD - BOI
3 stops41h 52mLATAM Airlines
Deal found 11/14$3,356
This Gotogate deal was found by Cheapflights users on 11/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/177:00 amGEG - PER
2 stops41h 55mAir New Zealand
Thu 11/2110:55 pmPER - GEG
3 stops32h 11mAir New Zealand
Deal found 11/12$3,901

Find flights from Idaho to Australia within your budget

Customize your flight search to find flights from Idaho to Australia 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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Thu 1/30

7:00 am-6:50 am

1 stop28h 50m

Sydney Kingsford Smith

Sat 2/15

2:15 pm-9:36 pm

1 stop26h 21m

$1,059

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 4/2

2:05 pm-8:00 am

1 stop23h 55m

Sydney Kingsford Smith

Wed 4/30

10:20 am-1:09 pm

1 stop19h 49m

$1,095

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 3/12

12:41 pm-9:15 am

1 stop27h 34m

Sydney Kingsford Smith

Wed 4/16

10:20 am-11:37 am

1 stop17h 17m

$1,141

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 3/12

9:25 am-7:35 am

2 stops29h 10m

Sydney Kingsford Smith

Wed 4/16

9:25 am-7:18 pm

2 stops25h 53m

$1,155

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 12/7

9:15 am-9:00 am

2 stops53h 45m

Sydney Kingsford Smith

Fri 12/13

11:15 am-9:31 am

2 stops40h 16m

$1,431

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 1/20

1:01 pm-10:25 am

2 stops27h 24m

Sydney Kingsford Smith

Mon 2/24

1:55 pm-4:16 pm

2 stops20h 21m

$1,636

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 4/2

7:00 am-8:05 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 4/30

7:25 pm-10:33 pm

3 stops44h 08m

$1,712

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 3/12

8:15 am-9:35 am

2 stops32h 20m

Sydney Kingsford Smith

Wed 4/16

5:50 pm-10:59 pm

3 stops45h 09m

$1,766

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Tue 12/3

12:54 pm-10:50 am

2 stops28h 26m

Adelaide

Mon 12/30

11:50 am-10:13 pm

2 stops27h 53m

$1,779

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Thu 3/6

5:00 am-7:40 am

2 stops31h 40m

Sydney Kingsford Smith

Sun 3/16

8:30 pm-12:44 pm

3 stops58h 14m

$2,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 32 results
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Best time to book a flight from Idaho to Australia

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

Travel insights for flights from Idaho to Australia

Get recent, data-driven insights about flights from Idaho to Australia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Idaho to Australia (average of $1,062). Flying from Idaho to Australia in December is currently the most expensive (average of $1,318). 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 AU?

Find hourly flight availability from Idaho to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2024.

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

Rainfall in Australia by month

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

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated November 14, 2024.
To help decide which airline to fly from Idaho to Australia, see what other customers have to say about Delta, United Airlines and Singapore Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

China Airlines
8.3
Very good
779 reviews
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Singapore Airlines
8.1
Very good
1,335 reviews
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Air New Zealand
8.1
Very good
529 reviews
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Delta
8.0
Very good
8,788 reviews
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Alaska Airlines
8.0
Very good
9,439 reviews
China Airlines
8.3
Very good
779 reviews

Food

7.8

Crew

8.6

Overall

8.3

Boarding

8.3

Entertainment

8.1

Comfort

8.1

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Related info for your journey

Find useful and relevant information for your journey from Idaho to Australia. 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 Idaho to Australia one-way?

    One-way options have recently been found by users for as low as $517 on Delta. Other airlines that offer cheap prices include American Airlines from $549 and United Airlines from $654 one-way.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Idaho to Australia (average of $1,062). Flying from Idaho to Australia in December is currently the most expensive (average of $1,318). 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 Idaho to Australia

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Top 3 airlines flying from Idaho to Australia

Discover the top 3 airlines that operate flights from Idaho to Australia. 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,362FlexibilityNo cancel feeOn-time69%
DeltaCheapest$950Average$1,386FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$1,300Average$1,517FlexibilityNo cancel feeOn-time78%
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