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

Qantas Airways, Delta, and United Airlines 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.

$852 Cheap Flights from Idaho to Australia in 2026

1 adult

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Find the cheapest flights from Idaho to Australia

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:51 - 08:00

GEG

SYD

23h 09m

1 stop

19:15 - 20:55

SYD

GEG

44h 40m

2 stops

$1,568Qantas Airways

Thu, 29 Oct - Mon, 2 Nov

14:51 - 08:00

GEG

SYD

23h 09m

1 stop

19:15 - 20:55

SYD

GEG

44h 40m

2 stops

$1,571Qantas Airways

Thu, 29 Oct - Mon, 2 Nov

12:17 - 06:55

BOI

SYD

26h 38m

1 stop

12:00 - 22:20

SYD

BOI

26h 20m

1 stop

$1,595American Airlines

Tue, 11 Aug - Tue, 18 Aug

18:58 - 06:55

BOI

SYD

19h 57m

1 stop

10:20 - 16:44

SYD

BOI

22h 24m

1 stop

$1,600United Airlines

Wed, 20 May - Wed, 17 Jun

12:17 - 06:55

BOI

SYD

26h 38m

1 stop

17:50 - 22:40

SYD

BOI

20h 50m

2 stops

$1,601American Airlines

Tue, 11 Aug - Tue, 18 Aug

14:33 - 07:00

BOI

SYD

24h 27m

2 stops

10:20 - 21:35

SYD

BOI

27h 15m

2 stops

$1,607United Airlines

Wed, 20 May - Wed, 17 Jun

16:20 - 06:50

GEG

SYD

21h 30m

1 stop

09:15 - 15:48

SYD

GEG

23h 33m

1 stop

$1,648Delta

Mon, 8 Jun - Mon, 15 Jun

16:20 - 06:50

GEG

SYD

21h 30m

1 stop

09:15 - 23:59

SYD

GEG

31h 44m

2 stops

$1,655Delta

Mon, 8 Jun - Mon, 15 Jun

16:47 - 06:10

GEG

SYD

18h 23m

1 stop

14:05 - 20:55

SYD

GEG

25h 50m

1 stop

$1,692Multiple Airlines

Sun, 1 Nov - Sat, 21 Nov

16:47 - 06:10

GEG

SYD

18h 23m

1 stop

14:05 - 20:55

SYD

GEG

25h 50m

1 stop

$1,693Multiple Airlines

Sun, 1 Nov - Sat, 21 Nov

Qantas Airways flights from Idaho to Australia

Our best Qantas Airways deals on Idaho to Australia flight tickets

Qantas Airways

29 Oct

GEG14:51Spokane

23h 09m

1 stop

SYD08:00Sydney Kingsford Smith

2 Nov

SYD19:15Sydney Kingsford Smith

44h 40m

2 stops

GEG20:55Spokane

$1,568

Qantas Airways

29 Oct

GEG14:51Spokane

23h 09m

1 stop

SYD08:00Sydney Kingsford Smith

2 Nov

SYD19:15Sydney Kingsford Smith

44h 40m

2 stops

GEG20:55Spokane

$1,571

Qantas Airways

3 June

GEG16:09Spokane

19h 51m

1 stop

BNE05:00Brisbane

10 June

BNE08:45Brisbane

28h 58m

2 stops

GEG20:43Spokane

$1,641

United Airlines flights from Idaho to Australia

Our best United Airlines deals on Idaho to Australia flight tickets

United Airlines

20 May

BOI18:58Boise Air Term. Gowen Fld

19h 57m

1 stop

SYD06:55Sydney Kingsford Smith

17 June

SYD10:20Sydney Kingsford Smith

22h 24m

1 stop

BOI16:44Boise Air Term. Gowen Fld

$1,600

United Airlines

20 May

BOI14:33Boise Air Term. Gowen Fld

24h 27m

2 stops

SYD07:00Sydney Kingsford Smith

17 June

SYD10:20Sydney Kingsford Smith

27h 15m

2 stops

BOI21:35Boise Air Term. Gowen Fld

$1,607

United Airlines

17 Oct

GEG12:50Spokane

24h 40m

1 stop

BNE06:30Brisbane

21 Oct

BNE10:30Brisbane

17h 00m

1 stop

GEG10:30Spokane

$1,693

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Thu 29/10

14:51-08:00

1 stop23h 09m

Sydney Kingsford Smith

Mon 2/11

19:15-20:55

2 stops44h 40m

$1,568

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Thu 29/10

14:51-08:00

1 stop23h 09m

Sydney Kingsford Smith

Mon 2/11

19:15-20:55

2 stops44h 40m

$1,571

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 11/8

12:17-06:55

1 stop26h 38m

Sydney Kingsford Smith

Tue 18/8

12:00-22:20

1 stop26h 20m

$1,595

Fastest return journey

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 20/5

18:58-06:55

1 stop19h 57m

Sydney Kingsford Smith

Wed 17/6

10:20-16:44

1 stop22h 24m

$1,600

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 11/8

12:17-06:55

1 stop26h 38m

Sydney Kingsford Smith

Tue 18/8

17:50-22:40

2 stops20h 50m

$1,601

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 20/5

14:33-07:00

2 stops24h 27m

Sydney Kingsford Smith

Wed 17/6

10:20-21:35

2 stops27h 15m

$1,607

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 8/6

16:20-06:50

1 stop21h 30m

Sydney Kingsford Smith

Mon 15/6

09:15-15:48

1 stop23h 33m

$1,648

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 8/6

16:20-06:50

1 stop21h 30m

Sydney Kingsford Smith

Mon 15/6

09:15-23:59

2 stops31h 44m

$1,655

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 1/11

16:47-06:10

1 stop18h 23m

Sydney Kingsford Smith

Sat 21/11

14:05-20:55

1 stop25h 50m

$1,692

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 1/11

16:47-06:10

1 stop18h 23m

Sydney Kingsford Smith

Sat 21/11

14:05-20:55

1 stop25h 50m

$1,693

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 September to fly from Idaho, when ticket prices are also cheap, with an average price of $1,204.

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 23m
Direct flights	None

The fastest flight from Idaho to Australia takes 18h 23m

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.