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.

$801 Cheap Flights from Idaho to Australia in 2026

Find the cheapest flights from Idaho to Australia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

13:36 - 07:30GEG Spokane-SYD Sydney Kingsford Smith

24h 54m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles

09:10 - 13:23SYD Sydney Kingsford Smith-GEG Spokane

21h 13m1 stop Los Angeles Los Angeles

$1,508Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

16:21 - 07:05GEG Spokane-SYD Sydney Kingsford Smith

21h 44m1 stop Los Angeles Los Angeles

09:10 - 13:23SYD Sydney Kingsford Smith-GEG Spokane

21h 13m1 stop Los Angeles Los Angeles

$1,516Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

14:51 - 08:05GEG Spokane-SYD Sydney Kingsford Smith

23h 14m1 stop Los Angeles Los Angeles

21:25 - 15:22SYD Sydney Kingsford Smith-GEG Spokane

35h 57m1 stop San Francisco

$1,518Multiple Airlines

Sun, 18 Oct - Wed, 28 Oct

07:02 - 06:20GEG Spokane-SYD Sydney Kingsford Smith

28h 18m1 stop San Francisco

11:50 - 11:24SYD Sydney Kingsford Smith-GEG Spokane

18h 34m1 stop San Francisco

$1,546United Airlines

Wed, 2 Dec - Wed, 16 Dec

13:36 - 07:30GEG Spokane-SYD Sydney Kingsford Smith

24h 54m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

12:00 - 19:39SYD Sydney Kingsford Smith-GEG Spokane

24h 39m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$1,548American Airlines

Wed, 16 Sep - Wed, 23 Sep

14:45 - 08:05GEG Spokane-SYD Sydney Kingsford Smith

23h 20m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

11:10 - 20:43SYD Sydney Kingsford Smith-GEG Spokane

27h 33m2 stops Los Angeles Los Angeles Dallas/Fort Worth

$1,549American Airlines

Sun, 18 Oct - Wed, 28 Oct

13:45 - 09:20GEG Spokane-SYD Sydney Kingsford Smith

24h 35m2 stops Denver Intl San Francisco

11:50 - 11:24SYD Sydney Kingsford Smith-GEG Spokane

18h 34m1 stop San Francisco

$1,552United Airlines

Wed, 2 Dec - Tue, 15 Dec

12:33 - 06:55GEG Spokane-SYD Sydney Kingsford Smith

25h 22m1 stop San Francisco

09:30 - 15:06SYD Sydney Kingsford Smith-GEG Spokane

22h 36m2 stops Los Angeles Los Angeles Denver Intl

$1,553United Airlines

Sun, 6 Sep - Sun, 20 Sep

19:20 - 07:50GEG Spokane-SYD Sydney Kingsford Smith

42h 30m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles

09:40 - 14:50SYD Sydney Kingsford Smith-GEG Spokane

23h 10m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl

$1,572Delta

Sat, 17 Oct - Mon, 26 Oct

11:45 - 06:25GEG Spokane-SYD Sydney Kingsford Smith

25h 40m2 stops Seattle/Tacoma Intl San Francisco

17:50 - 22:38SYD Sydney Kingsford Smith-GEG Spokane

21h 48m1 stop Los Angeles Los Angeles

$1,580Multiple Airlines

Sun, 6 Sep - Thu, 17 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Idaho to Australia

Our best United Airlines deals on Idaho to Australia flight tickets

United Airlines

2 Dec

GEG07:02Spokane

28h 18m

1 stop

SYD06:20Sydney Kingsford Smith

16 Dec

SYD11:50Sydney Kingsford Smith

18h 34m

1 stop

GEG11:24Spokane

$1,546

United Airlines

2 Dec

GEG05:00Spokane

33h 20m

2 stops

SYD09:20Sydney Kingsford Smith

16 Dec

SYD11:50Sydney Kingsford Smith

28h 19m

2 stops

GEG21:09Spokane

$1,552

United Airlines

6 Sept

GEG13:37Spokane

24h 23m

2 stops

SYD07:00Sydney Kingsford Smith

15 Sept

SYD09:30Sydney Kingsford Smith

28h 44m

2 stops

GEG21:14Spokane

$1,553

American Airlines flights from Idaho to Australia

Our best American Airlines deals on Idaho to Australia flight tickets

American Airlines

16 Sept

GEG13:36Spokane

24h 54m

2 stops

SYD07:30Sydney Kingsford Smith

23 Sept

SYD12:00Sydney Kingsford Smith

24h 39m

2 stops

GEG19:39Spokane

$1,548

American Airlines

18 Oct

GEG14:45Spokane

23h 20m

2 stops

SYD08:05Sydney Kingsford Smith

28 Oct

SYD11:10Sydney Kingsford Smith

27h 33m

2 stops

GEG20:43Spokane

$1,549

American Airlines

6 Sept

GEG15:00Spokane

23h 05m

2 stops

SYD07:05Sydney Kingsford Smith

17 Sept

SYD17:50Sydney Kingsford Smith

22h 17m

2 stops

GEG23:07Spokane

$1,619

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Wed 16/9

13:36-07:30

2 stops24h 54m

Sydney Kingsford Smith

Wed 23/9

09:10-13:23

1 stop21h 13m

$1,508

Fastest return journey

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Wed 16/9

16:21-07:05

1 stop21h 44m

Sydney Kingsford Smith

Wed 23/9

09:10-13:23

1 stop21h 13m

$1,516

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Sun 18/10

14:51-08:05

1 stop23h 14m

Sydney Kingsford Smith

Wed 28/10

21:25-15:22

1 stop35h 57m

$1,518

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Wed 2/12

07:02-06:20

1 stop28h 18m

Sydney Kingsford Smith

Wed 16/12

11:50-11:24

1 stop18h 34m

$1,546

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Wed 16/9

13:36-07:30

2 stops24h 54m

Sydney Kingsford Smith

Wed 23/9

12:00-19:39

2 stops24h 39m

$1,548

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Sun 18/10

14:45-08:05

2 stops23h 20m

Sydney Kingsford Smith

Wed 28/10

11:10-20:43

2 stops27h 33m

$1,549

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Wed 2/12

13:45-09:20

2 stops24h 35m

Sydney Kingsford Smith

Tue 15/12

11:50-11:24

1 stop18h 34m

$1,552

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Sun 6/9

12:33-06:55

1 stop25h 22m

Sydney Kingsford Smith

Sun 20/9

09:30-15:06

2 stops22h 36m

$1,553

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Sat 17/10

19:20-07:50

2 stops42h 30m

Sydney Kingsford Smith

Mon 26/10

09:40-14:50

2 stops23h 10m

$1,572

SpokaneSydney

GEG Spokane - SYD Sydney Kingsford Smith

GEGSYD

Spokane

Sun 6/9

11:45-06:25

2 stops25h 40m

Sydney Kingsford Smith

Thu 17/9

17:50-22:38

1 stop21h 48m

$1,580

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 $1,515. If you don’t want to visit Australia in January, then you should wait until August to fly from Idaho, when ticket prices are also cheap, with an average price of $1,671.

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	20h 18m
Direct flights	None

The fastest flight from Idaho to Australia takes 20h 18m

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.