How long is the flight from Australia to Idaho?

Flight times from Australia to Idaho vary, but if you’re flying out of Sydney and flying into Boise (one of the most popular routes), then the duration is 27h 59m on average. Another popular route from Australia to Idaho is flying from Brisbane to Boise, which will take roughly 40h 38m. Keep in mind that layovers or delays could extend your travel time.

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

American Airlines is the most popular carrier operating from Australia to Idaho

When did momondo last update prices for flights from Australia to Idaho?

Prices for flights from Australia to Idaho were last updated today.

How old do you have to be to fly from Australia to Idaho?

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 layovers 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 Australia to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$903 Cheap Flights from Australia to Idaho in 2026

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Find the cheapest flights from Australia to Idaho

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One-way

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Recent round-trip flight deals from Australia to Idaho

Enter your travel dates to find the best prices.

9:15 am - 10:58 pm

SYD

BOI

29h 43m

1 stop

3:23 pm - 6:50 am

BOI

SYD

23h 27m

1 stop

$1,034Delta

Mon, May 25 - Mon, Jun 1

10:20 am - 5:56 pm

SYD

BOI

23h 36m

2 stops

2:40 pm - 6:55 am

BOI

SYD

24h 15m

2 stops

$1,050United Airlines

Mon, May 25 - Mon, Jun 1

11:55 am - 12:33 pm

BNE

BOI

40h 38m

2 stops

6:47 pm - 10:35 am

BOI

BNE

23h 48m

2 stops

$1,401Multiple Airlines

Mon, Aug 24 - Fri, Sep 18

11:35 am - 10:27 pm

BNE

BOI

26h 52m

2 stops

7:05 am - 5:00 am

BOI

BNE

29h 55m

1 stop

$1,402Multiple Airlines

Wed, Aug 26 - Wed, Sep 16

6:35 pm - 10:58 pm

BNE

BOI

44h 23m

2 stops

6:51 pm - 11:25 pm

BOI

BNE

36h 34m

2 stops

$1,490Qantas Airways

Fri, May 22 - Wed, Jun 10

7:40 pm - 10:58 pm

BNE

BOI

43h 18m

2 stops

6:51 pm - 11:25 pm

BOI

BNE

36h 34m

2 stops

$1,491Qantas Airways

Fri, May 22 - Wed, Jun 10

5:50 pm - 10:20 pm

SYD

BOI

44h 30m

2 stops

6:44 am - 6:55 am

BOI

SYD

32h 11m

1 stop

$1,646American Airlines

Fri, Aug 7 - Tue, Aug 11

9:10 am - 1:24 pm

SYD

BOI

44h 14m

2 stops

6:44 am - 6:55 am

BOI

SYD

32h 11m

1 stop

$1,730American Airlines

Fri, Aug 7 - Tue, Aug 11

10:45 pm - 8:56 pm

MEL

GEG

39h 11m

2 stops

5:07 am - 4:50 pm

GEG

MEL

42h 43m

2 stops

$1,777Qatar Airways

Wed, Aug 12 - Sun, Aug 16

10:45 pm - 9:01 pm

MEL

GEG

39h 16m

2 stops

11:58 am - 4:50 pm

GEG

MEL

35h 52m

2 stops

$1,789Qatar Airways

Tue, Sep 1 - Sat, Sep 5

American Airlines flights from Australia to Idaho

Our best American Airlines deals on Australia to Idaho flight tickets

American Airlines

Aug 7

SYD5:50 pmSydney Kingsford Smith

44h 30m

2 stops

BOI10:20 pmBoise Air Term. Gowen Fld

Aug 11

BOI6:44 amBoise Air Term. Gowen Fld

32h 11m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,646

American Airlines

Aug 7

SYD9:10 amSydney Kingsford Smith

44h 14m

2 stops

BOI1:24 pmBoise Air Term. Gowen Fld

Aug 11

BOI6:44 amBoise Air Term. Gowen Fld

32h 11m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,730

American Airlines

Aug 24

BNE8:35 pmBrisbane

30h 52m

2 stops

BOI11:27 amBoise Air Term. Gowen Fld

Sep 16

BOI6:44 amBoise Air Term. Gowen Fld

30h 16m

2 stops

BNE5:00 amBrisbane

$1,733

Qatar Airways flights from Australia to Idaho

Our best Qatar Airways deals on Australia to Idaho flight tickets

Qatar Airways

Aug 12

MEL10:45 pmMelbourne

39h 11m

2 stops

GEG8:56 pmSpokane

Aug 16

GEG5:07 amSpokane

42h 43m

2 stops

MEL4:50 pmMelbourne

$1,777

Qatar Airways

Sep 1

MEL10:45 pmMelbourne

39h 16m

2 stops

GEG9:01 pmSpokane

Sep 5

GEG11:58 amSpokane

35h 52m

2 stops

MEL4:50 pmMelbourne

$1,789

Qatar Airways

Aug 12

MEL10:45 pmMelbourne

42h 14m

2 stops

GEG11:59 pmSpokane

Aug 16

GEG7:23 amSpokane

40h 27m

2 stops

MEL4:50 pmMelbourne

$1,792

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Mon 5/25

9:15 am-10:58 pm

1 stop29h 43m

Boise Air Term. Gowen Fld

Mon 6/1

3:23 pm-6:50 am

1 stop23h 27m

$1,034

Quickest round-trip

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Mon 5/25

10:20 am-5:56 pm

2 stops23h 36m

Boise Air Term. Gowen Fld

Mon 6/1

2:40 pm-6:55 am

2 stops24h 15m

$1,050

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Mon 8/24

11:55 am-12:33 pm

2 stops40h 38m

Boise Air Term. Gowen Fld

Fri 9/18

6:47 pm-10:35 am

2 stops23h 48m

$1,401

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Wed 8/26

11:35 am-10:27 pm

2 stops26h 52m

Boise Air Term. Gowen Fld

Wed 9/16

7:05 am-5:00 am

1 stop29h 55m

$1,402

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Fri 5/22

6:35 pm-10:58 pm

2 stops44h 23m

Boise Air Term. Gowen Fld

Wed 6/10

6:51 pm-11:25 pm

2 stops36h 34m

$1,490

BrisbaneBoise

BNE - BOI

BNEBOI

Brisbane

Fri 5/22

7:40 pm-10:58 pm

2 stops43h 18m

Boise Air Term. Gowen Fld

Wed 6/10

6:51 pm-11:25 pm

2 stops36h 34m

$1,491

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 8/7

5:50 pm-10:20 pm

2 stops44h 30m

Boise Air Term. Gowen Fld

Tue 8/11

6:44 am-6:55 am

1 stop32h 11m

$1,646

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 8/7

9:10 am-1:24 pm

2 stops44h 14m

Boise Air Term. Gowen Fld

Tue 8/11

6:44 am-6:55 am

1 stop32h 11m

$1,730

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Wed 8/12

10:45 pm-8:56 pm

2 stops39h 11m

Spokane

Sun 8/16

5:07 am-4:50 pm

2 stops42h 43m

$1,777

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Tue 9/1

10:45 pm-9:01 pm

2 stops39h 16m

Spokane

Sat 9/5

11:58 am-4:50 pm

2 stops35h 52m

$1,789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Idaho

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

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Other information

What is the cheapest month to fly to Idaho?

In general, November is the cheapest month to fly from Australia to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Idaho in November, then you should wait until September to fly from Australia, when ticket prices are also cheap, with an average price of $0.

Can stopping save me money on Australia to Idaho flights?

You could potentially save up to 10% on your flight if you consider stops on a Australia to Idaho flight.

Cheap Australia to Idaho flight deals and tips

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

Fastest flight time	26h 23m
Direct flights	None

The fastest flight from Australia to Idaho takes 26h 23m

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

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Frequently asked questions about flying from Australia to Idaho

When did momondo last update prices for flights from Australia to Idaho?
Prices for flights from Australia to Idaho were last updated today.
How old do you have to be to fly from Australia to Idaho?
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 layovers 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 Australia to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Idaho. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Australia to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Australia to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.