What is the cheapest airline that flies from Idaho to Australia?

United Airlines and Qantas Airways are the most popular carriers operating from Idaho to Australia

When did momondo last update prices for flights from Idaho to Australia?

Prices for flights from Idaho to Australia were last updated today.

How old do you have to be to fly from Idaho to Australia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$819 Cheap Flights from Idaho to Australia in 2026

Find the cheapest flights from Idaho to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:05 - 06:25

GEG

SYD

28h 20m

2 stops

11:15 - 22:25

SYD

GEG

30h 10m

1 stop

$1,554Multiple Airlines

Sun, 1 Nov - Sat, 21 Nov

12:57 - 06:25

GEG

SYD

22h 28m

1 stop

11:15 - 22:25

SYD

GEG

30h 10m

1 stop

$1,566Multiple Airlines

Sun, 1 Nov - Sat, 21 Nov

13:23 - 06:25

GEG

SYD

22h 02m

2 stops

11:15 - 17:21

SYD

GEG

25h 06m

1 stop

$1,567Multiple Airlines

Wed, 2 Dec - Tue, 15 Dec

13:55 - 07:30

BOI

SYD

25h 35m

2 stops

09:10 - 16:49

SYD

BOI

23h 39m

2 stops

$1,722American Airlines

Wed, 5 Aug - Wed, 12 Aug

19:07 - 06:30

GEG

BNE

18h 23m

1 stop

10:30 - 10:30

BNE

GEG

17h 00m

1 stop

$1,777United Airlines

Fri, 7 Aug - Fri, 14 Aug

13:41 - 06:30

GEG

BNE

23h 49m

2 stops

10:30 - 20:46

BNE

GEG

27h 16m

2 stops

$1,783United Airlines

Fri, 7 Aug - Fri, 14 Aug

13:57 - 07:30

BOI

SYD

25h 33m

2 stops

12:00 - 22:11

SYD

BOI

26h 11m

1 stop

$1,796American Airlines

Thu, 30 Jul - Mon, 31 Aug

14:44 - 07:20

BOI

SYD

24h 36m

2 stops

10:20 - 09:34

SYD

BOI

40h 14m

2 stops

$1,903Air Canada

Wed, 30 Sep - Mon, 5 Oct

14:44 - 07:20

BOI

SYD

24h 36m

2 stops

10:20 - 09:34

SYD

BOI

40h 14m

2 stops

$1,905Air Canada

Wed, 30 Sep - Mon, 5 Oct

05:20 - 11:30

GEG

BNE

37h 10m

3 stops

14:25 - 23:07

BNE

GEG

25h 42m

3 stops

$2,164Qantas Airways

Sun, 9 Aug - Sun, 16 Aug

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Qantas Airways flights from Idaho to Australia

Our best Qantas Airways deals on Idaho to Australia flight tickets

Qantas Airways

11 Aug

BOI18:51Boise Air Term. Gowen Fld

20h 39m

1 stop

SYD07:30Sydney Kingsford Smith

18 Aug

SYD17:50Sydney Kingsford Smith

20h 55m

1 stop

BOI22:45Boise Air Term. Gowen Fld

$1,653

Qantas Airways

2 Dec

GEG16:47Spokane

18h 38m

1 stop

SYD06:25Sydney Kingsford Smith

16 Dec

SYD06:00Sydney Kingsford Smith

33h 57m

2 stops

GEG20:57Spokane

$1,702

Qantas Airways

2 Dec

GEG16:47Spokane

18h 38m

1 stop

SYD06:25Sydney Kingsford Smith

16 Dec

SYD06:00Sydney Kingsford Smith

33h 57m

2 stops

GEG20:57Spokane

$1,703

Air Canada flights from Idaho to Australia

Our best Air Canada deals on Idaho to Australia flight tickets

Air Canada

1 Nov

GEG07:00Spokane

31h 35m

2 stops

SYD09:35Sydney Kingsford Smith

21 Nov

SYD11:20Sydney Kingsford Smith

28h 41m

2 stops

GEG21:01Spokane

$1,647

Air Canada

30 Sept

BOI14:44Boise Air Term. Gowen Fld

24h 36m

2 stops

SYD07:20Sydney Kingsford Smith

5 Oct

SYD10:20Sydney Kingsford Smith

40h 14m

2 stops

BOI09:34Boise Air Term. Gowen Fld

$1,903

Air Canada

30 Sept

BOI14:44Boise Air Term. Gowen Fld

24h 36m

2 stops

SYD07:20Sydney Kingsford Smith

5 Oct

SYD10:20Sydney Kingsford Smith

40h 14m

2 stops

BOI09:34Boise Air Term. Gowen Fld

$1,905

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 1/11

07:05-06:25

2 stops28h 20m

Sydney Kingsford Smith

Sat 21/11

11:15-22:25

1 stop30h 10m

$1,554

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 1/11

12:57-06:25

1 stop22h 28m

Sydney Kingsford Smith

Sat 21/11

11:15-22:25

1 stop30h 10m

$1,566

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 2/12

13:23-06:25

2 stops22h 02m

Sydney Kingsford Smith

Tue 15/12

11:15-17:21

1 stop25h 06m

$1,567

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 5/8

13:55-07:30

2 stops25h 35m

Sydney Kingsford Smith

Wed 12/8

09:10-16:49

2 stops23h 39m

$1,722

Fastest return journey

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Fri 7/8

19:07-06:30

1 stop18h 23m

Brisbane

Fri 14/8

10:30-10:30

1 stop17h 00m

$1,777

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Fri 7/8

13:41-06:30

2 stops23h 49m

Brisbane

Fri 14/8

10:30-20:46

2 stops27h 16m

$1,783

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 30/7

13:57-07:30

2 stops25h 33m

Sydney Kingsford Smith

Mon 31/8

12:00-22:11

1 stop26h 11m

$1,796

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 30/9

14:44-07:20

2 stops24h 36m

Sydney Kingsford Smith

Mon 5/10

10:20-09:34

2 stops40h 14m

$1,903

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 30/9

14:44-07:20

2 stops24h 36m

Sydney Kingsford Smith

Mon 5/10

10:20-09:34

2 stops40h 14m

$1,905

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Sun 9/8

05:20-11:30

3 stops37h 10m

Brisbane

Sun 16/8

14:25-23:07

3 stops25h 42m

$2,164

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, January is the cheapest month to fly from Idaho to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Australia in January, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $1,473.

Can stopping save me money on Idaho to Australia flights?

You could potentially save up to 50% on your flight if you consider stops on a Idaho to Australia flight.

Cheap Idaho to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Australia

Fastest flight time	18h 38m
Direct flights	None

The fastest flight from Idaho to Australia takes 18h 38m

There are no direct flights from Idaho to Australia. There are no popular flight routes from Idaho to Australia.

Search flight deals

Frequently asked questions about flying from Idaho to Australia

When did momondo last update prices for flights from Idaho to Australia?
Prices for flights from Idaho to Australia were last updated today.
How old do you have to be to fly from Idaho to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Australia with flexible booking policies on momondo?

All flight searches from Idaho to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Australia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Idaho.

I’m not ready to book a flight from Idaho to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.