Cheap flights from Idaho to Australia from $716

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Australia departing on 22/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
15:45 - 06:10
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
19:15 - 21:12
SYD
-
GEG
43h 57m
2 stops
$1,357Qantas Airways
Tue, 3 Mar - Tue, 10 Mar
Qantas Airways Logo
15:45 - 06:10
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
19:15 - 21:12
SYD
-
GEG
43h 57m
2 stops
$1,358Qantas Airways
Tue, 3 Mar - Tue, 10 Mar
American Airlines Logo
15:10 - 09:00
GEG
-
SYD
23h 50m
2 stops
American Airlines Logo
18:50 - 11:44
SYD
-
GEG
34h 54m
2 stops
$1,372American Airlines
Mon, 23 Mar - Mon, 30 Mar
American Airlines Logo
06:00 - 06:55
GEG
-
SYD
30h 55m
1 stop
American Airlines Logo
18:50 - 11:44
SYD
-
GEG
34h 54m
2 stops
$1,375American Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
18:12 - 09:00
GEG
-
SYD
20h 48m
1 stop
Multiple Airlines Logo
18:50 - 22:52
SYD
-
GEG
22h 02m
1 stop
$1,385Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Qantas Airways Logo
15:45 - 06:10
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
13:05 - 16:54
SYD
-
GEG
21h 49m
1 stop
$1,391Qantas Airways
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
08:07 - 07:30
BOI
-
SYD
31h 23m
1 stop
Multiple Airlines Logo
13:15 - 23:02
SYD
-
BOI
25h 47m
2 stops
$1,440Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
United Airlines Logo
16:01 - 06:30
GEG
-
BNE
45h 29m
2 stops
United Airlines Logo
10:30 - 18:51
BNE
-
GEG
25h 21m
1 stop
$1,633United Airlines
Tue, 31 Mar - Wed, 22 Apr
United Airlines Logo
12:42 - 11:20
GEG
-
PER
31h 38m
2 stops
United Airlines Logo
23:45 - 21:03
PER
-
GEG
36h 18m
2 stops
$2,656United Airlines
Sun, 8 Mar - Tue, 10 Mar
Qatar Airways Logo
05:00 - 11:55
GEG
-
PER
39h 55m
2 stops
Qatar Airways Logo
22:45 - 21:24
PER
-
GEG
37h 39m
2 stops
$2,828Qatar Airways
Sat, 21 Mar - Sat, 28 Mar

Qantas Airways flights from Idaho to Australia

Our best Qantas Airways deals on Idaho to Australia flight tickets
Qantas Airways
3 Mar
GEG15:45Spokane
19h 25m
1 stop
SYD06:10Sydney Kingsford Smith
10 Mar
SYD19:15Sydney Kingsford Smith
43h 57m
2 stops
GEG21:12Spokane
$1,357
Qantas Airways
3 Mar
GEG15:45Spokane
19h 25m
1 stop
SYD06:10Sydney Kingsford Smith
10 Mar
SYD19:15Sydney Kingsford Smith
43h 57m
2 stops
GEG21:12Spokane
$1,358
Qantas Airways
3 Mar
GEG15:45Spokane
19h 25m
1 stop
SYD06:10Sydney Kingsford Smith
10 Mar
SYD13:05Sydney Kingsford Smith
21h 49m
1 stop
GEG16:54Spokane
$1,391

American Airlines flights from Idaho to Australia

Our best American Airlines deals on Idaho to Australia flight tickets
American Airlines
23 Mar
GEG15:10Spokane
23h 50m
2 stops
SYD09:00Sydney Kingsford Smith
30 Mar
SYD18:50Sydney Kingsford Smith
34h 54m
2 stops
GEG11:44Spokane
$1,372
American Airlines
23 Mar
GEG06:00Spokane
30h 55m
1 stop
SYD06:55Sydney Kingsford Smith
30 Mar
SYD18:50Sydney Kingsford Smith
34h 54m
2 stops
GEG11:44Spokane
$1,375
American Airlines
22 Feb
GEG06:00Spokane
29h 55m
1 stop
SYD06:55Sydney Kingsford Smith
8 Mar
SYD13:05Sydney Kingsford Smith
26h 07m
1 stop
GEG20:12Spokane
$1,394

momondo Fare Finder

 
Customise 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, momondo users made 78,305 searches. Data last updated 7 February 2026.
Use the filters below to find and compare flights from Idaho to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

15:45-06:10

1 stop19h 25m

Sydney Kingsford Smith

Tue 10/3

19:15-21:12

2 stops43h 57m

$1,357

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

15:45-06:10

1 stop19h 25m

Sydney Kingsford Smith

Tue 10/3

19:15-21:12

2 stops43h 57m

$1,358

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 23/3

15:10-09:00

2 stops23h 50m

Sydney Kingsford Smith

Mon 30/3

18:50-11:44

2 stops34h 54m

$1,372

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 23/3

06:00-06:55

1 stop30h 55m

Sydney Kingsford Smith

Mon 30/3

18:50-11:44

2 stops34h 54m

$1,375

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 23/3

18:12-09:00

1 stop20h 48m

Sydney Kingsford Smith

Mon 30/3

18:50-22:52

1 stop22h 02m

$1,385

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

15:45-06:10

1 stop19h 25m

Sydney Kingsford Smith

Tue 10/3

13:05-16:54

1 stop21h 49m

$1,391

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 13/4

08:07-07:30

1 stop31h 23m

Sydney Kingsford Smith

Mon 20/4

13:15-23:02

2 stops25h 47m

$1,440

SpokaneBrisbane

GEG - BNE

GEGBNE

Spokane

Tue 31/3

16:01-06:30

2 stops45h 29m

Brisbane

Wed 22/4

10:30-18:51

1 stop25h 21m

$1,633

SpokanePerth

GEG - PER

GEGPER

Spokane

Sun 8/3

12:42-11:20

2 stops31h 38m

Perth

Tue 10/3

23:45-21:03

2 stops36h 18m

$2,656

SpokanePerth

GEG - PER

GEGPER

Spokane

Sat 21/3

05:00-11:55

2 stops39h 55m

Perth

Sat 28/3

22:45-21:24

2 stops37h 39m

$2,828

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

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

19h 56m

Direct flights

None
The fastest flight from Idaho to Australia takes 19h 56m
There are no direct flights from Idaho to Australia. There are no popular flight routes 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.

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1 adult
Mon 9/3
Mon 16/3

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