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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Sydney Kingsford Smith Airport.

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

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$798 Cheap Flights from Idaho to Sydney in 2025/26

1 adult

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Find the cheapest flights from Idaho to Sydney

Round-trip

One-way

Last minute

Cheap return flights

13:47 - 09:15GEG-SYD

24h 28m2 stops

12:10 - 10:42SYD-GEG

17h 32m1 stop

$1,330United Airlines

Find Deal

Sat, 8 Nov - Sat, 15 Nov

13:47 - 09:15GEG-SYD

24h 28m2 stops

12:10 - 20:45SYD-GEG

27h 35m2 stops

$1,338United Airlines

Find Deal

Sat, 8 Nov - Sat, 15 Nov

14:38 - 08:30GEG-SYD

22h 52m1 stop

10:40 - 14:05SYD-GEG

22h 25m1 stop

$1,579Delta

Find Deal

Fri, 7 Nov - Fri, 14 Nov

14:38 - 07:35GEG-SYD

22h 57m1 stop

09:40 - 13:58SYD-GEG

22h 18m1 stop

$1,580Delta

Find Deal

Mon, 20 Oct - Mon, 27 Oct

20:50 - 19:45BOI-SYD

28h 55m2 stops

21:40 - 10:29SYD-BOI

30h 49m2 stops

$1,580Alaska Airlines

Find Deal

Sun, 9 Nov - Sun, 16 Nov

18:05 - 09:50BOI-SYD

45h 45m2 stops

17:45 - 23:02SYD-BOI

23h 17m1 stop

$1,827Multiple Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

05:17 - 06:55GEG-SYD

30h 38m1 stop

14:05 - 18:33SYD-GEG

23h 28m1 stop

$1,926American Airlines

Find Deal

Wed, 10 Dec - Fri, 26 Dec

05:17 - 06:55GEG-SYD

30h 38m1 stop

17:45 - 23:13SYD-GEG

24h 28m2 stops

$1,932American Airlines

Find Deal

Wed, 10 Dec - Fri, 26 Dec

16:57 - 09:50BOI-SYD

46h 53m2 stops

17:45 - 23:02SYD-BOI

23h 17m1 stop

$1,938Multiple Airlines

Find Deal

Sun, 9 Nov - Sun, 16 Nov

09:00 - 19:45GEG-SYD

39h 45m2 stops

21:40 - 08:00SYD-GEG

29h 20m2 stops

$1,970Alaska Airlines

Find Deal

Fri, 12 Dec - Sun, 18 Jan

United Airlines flights from Idaho to Sydney

Our best United Airlines deals on Idaho to Sydney flight tickets

United Airlines

8 Nov

GEG13:47Spokane

24h 28m

2 stops

SYD09:15Sydney Kingsford Smith

15 Nov

SYD12:10Sydney Kingsford Smith

17h 32m

1 stop

GEG10:42Spokane

$1,330

Find similar

United Airlines

8 Nov

GEG13:47Spokane

24h 28m

2 stops

SYD09:15Sydney Kingsford Smith

15 Nov

SYD12:10Sydney Kingsford Smith

27h 35m

2 stops

GEG20:45Spokane

$1,338

Find similar

United Airlines

7 Nov

GEG16:05Spokane

46h 00m

2 stops

SYD09:05Sydney Kingsford Smith

14 Nov

SYD12:10Sydney Kingsford Smith

17h 32m

1 stop

GEG10:42Spokane

$1,358

Find similar

Alaska Airlines flights from Idaho to Sydney

Our best Alaska Airlines deals on Idaho to Sydney flight tickets

Alaska Airlines

9 Nov

BOI20:50Boise Air Term. Gowen Fld

28h 55m

2 stops

SYD19:45Sydney Kingsford Smith

16 Nov

SYD21:40Sydney Kingsford Smith

30h 49m

2 stops

BOI10:29Boise Air Term. Gowen Fld

$1,580

Find similar

Alaska Airlines

12 Dec

GEG09:00Spokane

39h 45m

2 stops

SYD19:45Sydney Kingsford Smith

18 Jan

SYD21:40Sydney Kingsford Smith

29h 20m

2 stops

GEG08:00Spokane

$1,970

Find similar

Alaska Airlines

26 Sept

BOI06:00Boise Air Term. Gowen Fld

21h 45m

2 stops

SYD19:45Sydney Kingsford Smith

28 Sept

SYD21:40Sydney Kingsford Smith

31h 59m

2 stops

BOI13:39Boise Air Term. Gowen Fld

$2,002

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sat 8/11

13:47-09:15

2 stops24h 28m

Sydney Kingsford Smith

Sat 15/11

12:10-10:42

1 stop17h 32m

$1,330

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Sat 8/11

13:47-09:15

2 stops24h 28m

Sydney Kingsford Smith

Sat 15/11

12:10-20:45

2 stops27h 35m

$1,338

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Fri 7/11

14:38-08:30

1 stop22h 52m

Sydney Kingsford Smith

Fri 14/11

10:40-14:05

1 stop22h 25m

$1,579

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Mon 20/10

14:38-07:35

1 stop22h 57m

Sydney Kingsford Smith

Mon 27/10

09:40-13:58

1 stop22h 18m

$1,580

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 9/11

20:50-19:45

2 stops28h 55m

Sydney Kingsford Smith

Sun 16/11

21:40-10:29

2 stops30h 49m

$1,580

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 5/11

18:05-09:50

2 stops45h 45m

Sydney Kingsford Smith

Wed 12/11

17:45-23:02

1 stop23h 17m

$1,827

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 10/12

05:17-06:55

1 stop30h 38m

Sydney Kingsford Smith

Fri 26/12

14:05-18:33

1 stop23h 28m

$1,926

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Wed 10/12

05:17-06:55

1 stop30h 38m

Sydney Kingsford Smith

Fri 26/12

17:45-23:13

2 stops24h 28m

$1,932

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 9/11

16:57-09:50

2 stops46h 53m

Sydney Kingsford Smith

Sun 16/11

17:45-23:02

1 stop23h 17m

$1,938

SpokaneSydney

GEG - SYD

GEGSYD

Spokane

Fri 12/12

09:00-19:45

2 stops39h 45m

Sydney Kingsford Smith

Sun 18/1

21:40-08:00

2 stops29h 20m

$1,970

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

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

What is the cheapest airline that flies from Idaho to Sydney Kingsford Smith?

Delta and United Airlines are the most popular carriers operating from Idaho to Sydney Kingsford Smith

Cheap Idaho to Sydney flight deals and tips

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

Direct flights	None

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 old do you have to be to fly from Idaho to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Charlestown

Newport

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Idaho to Sydney flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Sydney.

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

Price alerts on flights to Sydney from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.