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Cheap flights from Idaho to Sydney from $494

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 Sydney departing on 4/22. 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
0 bags

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Find the cheapest flights from Idaho to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
3:45 pm - 6:10 am
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
7:15 pm - 9:12 pm
SYD
-
GEG
43h 57m
2 stops
$947Qantas Airways
Tue, Mar 3 - Tue, Mar 10
Qantas Airways Logo
3:45 pm - 6:10 am
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
7:15 pm - 9:12 pm
SYD
-
GEG
43h 57m
2 stops
$948Qantas Airways
Tue, Mar 3 - Tue, Mar 10
Qantas Airways Logo
3:45 pm - 6:10 am
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
7:15 pm - 9:12 pm
SYD
-
GEG
43h 57m
2 stops
$949Qantas Airways
Tue, Mar 3 - Tue, Mar 10
Qantas Airways Logo
3:45 pm - 6:10 am
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
7:15 pm - 9:12 pm
SYD
-
GEG
43h 57m
2 stops
$950Qantas Airways
Tue, Mar 3 - Tue, Mar 10
Qantas Airways Logo
3:45 pm - 6:10 am
GEG
-
SYD
19h 25m
1 stop
Qantas Airways Logo
1:05 pm - 4:54 pm
SYD
-
GEG
21h 49m
1 stop
$971Qantas Airways
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:00 am - 6:55 am
GEG
-
SYD
29h 55m
1 stop
American Airlines Logo
1:05 pm - 8:12 pm
SYD
-
GEG
26h 07m
1 stop
$973American Airlines
Sun, Feb 22 - Sun, Mar 8
American Airlines Logo
6:00 am - 6:55 am
GEG
-
SYD
29h 55m
1 stop
American Airlines Logo
1:05 pm - 4:54 pm
SYD
-
GEG
21h 49m
1 stop
$975American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
3:10 pm - 9:00 am
GEG
-
SYD
22h 50m
2 stops
American Airlines Logo
1:05 pm - 9:12 pm
SYD
-
GEG
26h 07m
1 stop
$977American Airlines
Sun, Feb 22 - Mon, Mar 9
American Airlines Logo
1:07 pm - 7:05 am
GEG
-
SYD
24h 58m
2 stops
American Airlines Logo
12:00 pm - 8:47 pm
SYD
-
GEG
25h 47m
1 stop
$978American Airlines
Mon, Jun 8 - Sat, Jun 13
Multiple Airlines Logo
1:25 pm - 6:10 am
BOI
-
SYD
22h 45m
1 stop
Multiple Airlines Logo
2:00 pm - 11:00 pm
SYD
-
BOI
26h 00m
2 stops
$1,162Multiple Airlines
Tue, Mar 3 - Tue, Mar 10

Delta flights from Idaho to Sydney

Our best Delta deals on Idaho to Sydney flight tickets
Delta
Mar 3
GEG11:22 amSpokane
24h 28m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 10
SYD9:40 amSydney Kingsford Smith
31h 09m
2 stops
GEG10:49 pmSpokane
$994
Delta
Mar 3
GEG1:20 pmSpokane
22h 30m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 10
SYD9:40 amSydney Kingsford Smith
21h 20m
2 stops
GEG1:00 pmSpokane
$995
Delta
Jun 29
GEG1:30 pmSpokane
24h 20m
2 stops
SYD6:50 amSydney Kingsford Smith
Jul 20
SYD9:15 amSydney Kingsford Smith
22h 31m
2 stops
GEG2:46 pmSpokane
$1,084

Qantas Airways flights from Idaho to Sydney

Our best Qantas Airways deals on Idaho to Sydney flight tickets
Qantas Airways
Mar 3
GEG3:45 pmSpokane
19h 25m
1 stop
SYD6:10 amSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
43h 57m
2 stops
GEG9:12 pmSpokane
$947
Qantas Airways
Mar 3
GEG3:45 pmSpokane
19h 25m
1 stop
SYD6:10 amSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
43h 57m
2 stops
GEG9:12 pmSpokane
$948
Qantas Airways
Mar 3
GEG3:45 pmSpokane
19h 25m
1 stop
SYD6:10 amSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
43h 57m
2 stops
GEG9:12 pmSpokane
$949

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Sydney 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 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Idaho to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

3:45 pm-6:10 am

1 stop19h 25m

Sydney Kingsford Smith

Tue 3/10

7:15 pm-9:12 pm

2 stops43h 57m

$947

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

3:45 pm-6:10 am

1 stop19h 25m

Sydney Kingsford Smith

Tue 3/10

7:15 pm-9:12 pm

2 stops43h 57m

$948

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

3:45 pm-6:10 am

1 stop19h 25m

Sydney Kingsford Smith

Tue 3/10

7:15 pm-9:12 pm

2 stops43h 57m

$949

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

3:45 pm-6:10 am

1 stop19h 25m

Sydney Kingsford Smith

Tue 3/10

7:15 pm-9:12 pm

2 stops43h 57m

$950

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

3:45 pm-6:10 am

1 stop19h 25m

Sydney Kingsford Smith

Tue 3/10

1:05 pm-4:54 pm

1 stop21h 49m

$971

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 2/22

6:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

Sun 3/8

1:05 pm-8:12 pm

1 stop26h 07m

$973

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Tue 3/3

6:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

Tue 3/10

1:05 pm-4:54 pm

1 stop21h 49m

$975

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sun 2/22

3:10 pm-9:00 am

2 stops22h 50m

Sydney Kingsford Smith

Mon 3/9

1:05 pm-9:12 pm

1 stop26h 07m

$977

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 6/8

1:07 pm-7:05 am

2 stops24h 58m

Sydney Kingsford Smith

Sat 6/13

12:00 pm-8:47 pm

1 stop25h 47m

$978

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 3/3

1:25 pm-6:10 am

1 stop22h 45m

Sydney Kingsford Smith

Tue 3/10

2:00 pm-11:00 pm

2 stops26h 00m

$1,162

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Idaho to Sydney

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 Sydney flights?

You could potentially save up to 33% on your flight if you consider stops on a Idaho to Sydney flight.

Cheap Idaho to Sydney flight deals and tips

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

Fastest flight time

19h 25m

Direct flights

None
The fastest flight from Idaho to Sydney takes 19h 25m
There are no direct flights from Idaho to Sydney. There are no popular flight routes from Idaho to Sydney.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Sydney Kingsford Smith Airport?

    Prices for flights from Idaho to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Idaho to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Idaho to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Sydney

Compare and see reviews for airlines that fly from Idaho to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $888Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta
Katoomba
Wollongong
Randwick
Penrith
Coogee
Manly
Lithgow
Leura
Cronulla
Charlestown
Terrigal
Swansea

Why use momondo?

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

Finding the right flight to Sydney from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Sydney from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Sydney from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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