Australia

$606+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SYD
Dec 27 — Jan 31
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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 December 22, 2024.

Round-trip from

$1,014
(United Airlines)

One-way from

$606
(United)
From Idaho to Australia
One-way flight from Idaho to Australia

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 December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/22. 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.
Sun 12/222:34 pmBOI - SYD
2 stops46h 26mUnited Airlines
Sun 12/2912:10 pmSYD - BOI
2 stops29h 03mUnited Airlines
Deal found 12/22$2,330
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sat 12/2111:44 pmGEG - SYD
2 stops60h 16mUnited Airlines
Sat 12/2812:10 pmSYD - GEG
1 stop25h 15mUnited Airlines
Deal found 12/20$2,569
This Expedia deal was found by Cheapflights users on 12/22. 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.
Sun 12/2212:23 pmBOI - SYD
2 stops53h 47mMultiple Airlines
Sun 12/298:55 amSYD - BOI
3 stops32h 03mMultiple Airlines
Deal found 12/22$3,354
This Gotogate deal was found by Cheapflights users on 12/22. 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 12/228:30 amBOI - SYD
3 stops55h 05mAir Canada
Sun 12/2911:20 amSYD - BOI
3 stops53h 29mAir Canada
Deal found 12/22$3,795
This Travelocity deal was found by Cheapflights users on 12/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:00 amGEG - SYD
2 stops35h 50mMultiple Airlines
Sat 12/284:05 pmSYD - GEG
3 stops49h 31mMultiple Airlines
Deal found 12/20$4,445
This Gotogate deal was found by Cheapflights users on 12/20. 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.
Sat 12/2111:44 pmGEG - SYD
3 stops38h 51mAir Canada
Sat 12/2811:20 amSYD - GEG
3 stops53h 57mAir Canada
Deal found 12/20$21,914

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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/20

6:57 pm-6:55 am

1 stop19h 58m

Sydney Kingsford Smith

Tue 5/27

10:20 am-4:58 pm

1 stop22h 38m

$1,010

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Wed 2/5

4:20 pm-7:30 am

1 stop21h 10m

Brisbane

Wed 2/12

11:40 am-3:33 pm

1 stop21h 53m

$1,651

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/20

2:45 pm-7:15 pm

2 stops36h 30m

Sydney Kingsford Smith

Tue 5/27

8:55 am-10:59 pm

3 stops30h 04m

$1,758

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sat 5/17

2:40 pm-8:40 am

2 stops25h 00m

Sydney Kingsford Smith

Sat 5/24

5:35 pm-11:59 pm

3 stops23h 24m

$1,805

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/20

7:00 pm-3:05 pm

3 stops28h 05m

Sydney Kingsford Smith

Tue 5/27

8:55 am-10:59 pm

3 stops30h 04m

$2,037

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 2/24

8:00 am-5:55 pm

3 stops39h 55m

Sydney Kingsford Smith

Fri 2/28

12:15 pm-1:05 pm

2 stops42h 50m

$2,168

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 2/24

8:15 am-7:25 am

1 stop29h 10m

Sydney Kingsford Smith

Fri 2/28

5:25 pm-10:59 pm

1 stop23h 34m

$2,564

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 2/5

7:15 pm-9:35 am

3 stops44h 20m

Sydney Kingsford Smith

Wed 2/12

11:20 am-7:27 pm

2 stops26h 07m

$2,666

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/20

9:00 am-10:50 am

2 stops33h 50m

Sydney Kingsford Smith

Tue 5/27

2:05 pm-12:04 pm

2 stops37h 59m

$6,750

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/20

6:57 pm-6:55 am

1 stop19h 58m

Sydney Kingsford Smith

Tue 5/27

11:50 am-9:08 pm

2 stops25h 18m

$7,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 17 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 $1,051). Flying from Idaho to Australia in December is currently the most expensive (average of $1,643). 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 December 22, 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 December 22, 2024.
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

8.1
Very good
1,331 reviews
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

8.0
Very good
9,537 reviews
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

7.5
Good
835 reviews
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

7.4
Good
9,028 reviews
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

7.0
Good
8,413 reviews
8.1
Very good
1,331 reviews

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

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.
  • 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 $1,051). Flying from Idaho to Australia in December is currently the most expensive (average of $1,643). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$885Average$1,363FlexibilityNo cancel feeOn-time69%
DeltaCheapest$950Average$1,386FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$1,300Average$1,449FlexibilityNo cancel feeOn-time78%
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