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

Delta, United Airlines, and American 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.

$816 Cheap Flights from Idaho to Australia in 2025/26

1 adult

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Find the cheapest flights from Idaho to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:15 - 07:05

GEG

SYD

20h 50m1 stop

09:10 - 16:13

SYD

GEG

24h 03m1 stop

$1,312Multiple Airlines

Wed, 29 Apr - Tue, 12 May

06:30 - 06:50

GEG

SYD

29h 20m1 stop

13:15 - 21:20

SYD

GEG

26h 05m1 stop

$1,323Delta

Tue, 3 Mar - Tue, 10 Mar

09:55 - 08:30

GEG

SYD

27h 35m2 stops

09:40 - 13:00

SYD

GEG

21h 20m2 stops

$1,330Delta

Tue, 3 Mar - Tue, 10 Mar

06:00 - 06:55

GEG

SYD

29h 55m1 stop

11:20 - 14:58

SYD

GEG

22h 38m2 stops

$1,383American Airlines

Wed, 28 Jan - Wed, 4 Feb

05:00 - 09:05

GEG

SYD

33h 05m2 stops

14:00 - 21:22

SYD

GEG

26h 22m2 stops

$1,390United Airlines

Wed, 28 Jan - Wed, 4 Feb

06:50 - 05:00

GEG

BNE

28h 10m1 stop

18:30 - 18:49

BNE

GEG

42h 19m2 stops

$1,506Qantas Airways

Thu, 29 Jan - Mon, 2 Feb

06:50 - 05:00

GEG

BNE

28h 10m1 stop

09:40 - 17:34

BNE

GEG

25h 54m1 stop

$1,512Qantas Airways

Fri, 6 Feb - Tue, 24 Feb

06:33 - 05:45

GEG

BNE

29h 12m2 stops

09:40 - 21:13

BNE

GEG

29h 33m1 stop

$1,557American Airlines

Tue, 6 Jan - Thu, 19 Feb

12:24 - 06:20

GEG

SYD

22h 56m1 stop

12:10 - 19:16

SYD

GEG

26h 06m1 stop

$1,666United Airlines

Thu, 5 Feb - Mon, 9 Feb

19:02 - 09:00

BOI

SYD

19h 58m1 stop

11:20 - 13:35

SYD

BOI

20h 15m1 stop

$1,906Alaska Airlines

Thu, 5 Feb - Mon, 9 Feb

American Airlines flights from Idaho to Australia

Our best American Airlines deals on Idaho to Australia flight tickets

American Airlines

28 Jan

GEG06:00Spokane

29h 55m

1 stop

SYD06:55Sydney Kingsford Smith

4 Feb

SYD11:20Sydney Kingsford Smith

22h 38m

2 stops

GEG14:58Spokane

$1,383

Find similar

American Airlines

6 Jan

GEG06:33Spokane

29h 12m

2 stops

BNE05:45Brisbane

19 Feb

BNE09:40Brisbane

29h 33m

1 stop

GEG21:13Spokane

$1,557

Find similar

American Airlines

5 Jan

BOI13:27Boise Air Term. Gowen Fld

23h 28m

1 stop

SYD06:55Sydney Kingsford Smith

19 Jan

SYD14:05Sydney Kingsford Smith

23h 20m

1 stop

BOI19:25Boise Air Term. Gowen Fld

$3,082

Find similar

United Airlines flights from Idaho to Australia

Our best United Airlines deals on Idaho to Australia flight tickets

United Airlines

28 Jan

GEG05:00Spokane

33h 05m

2 stops

SYD09:05Sydney Kingsford Smith

4 Feb

SYD14:00Sydney Kingsford Smith

26h 22m

2 stops

GEG21:22Spokane

$1,390

Find similar

United Airlines

4 Feb

GEG12:24Spokane

25h 06m

1 stop

BNE07:30Brisbane

22 Feb

BNE11:40Brisbane

18h 05m

1 stop

GEG11:45Spokane

$1,563

Find similar

United Airlines

3 Jan

GEG05:05Spokane

32h 25m

2 stops

BNE07:30Brisbane

16 Feb

BNE11:40Brisbane

18h 05m

1 stop

GEG11:45Spokane

$1,571

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 29/4

17:15-07:05

1 stop20h 50m

Sydney Kingsford Smith

Tue 12/5

09:10-16:13

1 stop24h 03m

$1,312

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

06:30-06:50

1 stop29h 20m

Sydney Kingsford Smith

Tue 10/3

13:15-21:20

1 stop26h 05m

$1,323

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

09:55-08:30

2 stops27h 35m

Sydney Kingsford Smith

Tue 10/3

09:40-13:00

2 stops21h 20m

$1,330

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 28/1

06:00-06:55

1 stop29h 55m

Sydney Kingsford Smith

Wed 4/2

11:20-14:58

2 stops22h 38m

$1,383

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 28/1

05:00-09:05

2 stops33h 05m

Sydney Kingsford Smith

Wed 4/2

14:00-21:22

2 stops26h 22m

$1,390

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Thu 29/1

06:50-05:00

1 stop28h 10m

Brisbane

Mon 2/2

18:30-18:49

2 stops42h 19m

$1,506

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Fri 6/2

06:50-05:00

1 stop28h 10m

Brisbane

Tue 24/2

09:40-17:34

1 stop25h 54m

$1,512

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Tue 6/1

06:33-05:45

2 stops29h 12m

Brisbane

Thu 19/2

09:40-21:13

1 stop29h 33m

$1,557

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Thu 5/2

12:24-06:20

1 stop22h 56m

Sydney Kingsford Smith

Mon 9/2

12:10-19:16

1 stop26h 06m

$1,666

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 5/2

19:02-09:00

1 stop19h 58m

Sydney Kingsford Smith

Mon 9/2

11:20-13:35

1 stop20h 15m

$1,906

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, September 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 $1,449. If you don’t want to visit Australia in September, then you should wait until May to fly from Idaho, when ticket prices are also cheap, with an average price of $1,488.

Can stopping save me money on Idaho to Australia flights?

You could potentially save up to 44% 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 45m
Direct flights	None

The fastest flight from Idaho to Australia takes 18h 45m

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

Search flight deals

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.