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 26h 54m on average. Another popular route from Australia to Idaho is flying from Brisbane to Boise, which will take roughly 40h 39m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines and Hawaiian Airlines are the most popular carriers 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 many operators does momondo search for flights from Australia to Idaho?

There is 1 operator available for flights from Australia to Idaho as of July 2025.

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.

$648 Cheap Flights from Australia to Idaho in 2025

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Find the cheapest flights from Australia to Idaho

Round-trip

One-way

Recent round-trip flight deals from Australia to Idaho

10:55 am - 11:05 pmMEL-GEG

29h 10m1 stop

5:15 am - 8:15 amGEG-MEL

34h 00m2 stops

$824United Airlines

Find Deal

Sun, Sep 14 - Sun, Sep 21

9:30 am - 5:59 pmSYD-BOI

24h 29m2 stops

2:42 pm - 6:55 amBOI-SYD

24h 13m2 stops

$833United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

9:30 am - 12:36 pmMEL-GEG

44h 06m2 stops

1:38 pm - 7:30 amGEG-MEL

24h 52m2 stops

$1,030United Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:45 am - 6:39 pmMEL-GEG

28h 54m2 stops

12:35 pm - 5:00 amGEG-MEL

23h 25m1 stop

$1,147Qantas Airways

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:45 am - 12:45 pmMEL-GEG

20h 00m1 stop

1:25 pm - 6:45 amGEG-MEL

24h 20m1 stop

$1,173

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:05 pm - 9:14 amMEL-GEG

32h 09m3 stops

5:06 am - 11:15 pmGEG-MEL

25h 09m3 stops

$1,266Hawaiian Airlines

Find Deal

Sat, Aug 30 - Fri, Sep 19

9:20 am - 9:42 amSYD-BOI

40h 22m3 stops

7:45 am - 7:20 amBOI-SYD

31h 35m2 stops

$1,560Air Canada

Find Deal

Sat, Sep 13 - Sat, Sep 20

9:45 am - 10:25 pmMEL-GEG

29h 40m1 stop

1:25 pm - 6:45 amGEG-MEL

24h 20m1 stop

$1,657

Find Deal

Sat, Aug 30 - Fri, Sep 19

6:05 pm - 8:08 amMEL-GEG

31h 03m3 stops

5:06 am - 11:15 pmGEG-MEL

25h 09m3 stops

$1,712Hawaiian Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:45 am - 10:25 pmMEL-GEG

29h 40m1 stop

6:00 am - 5:00 amGEG-MEL

30h 00m1 stop

$1,855Qantas Airways

Find Deal

Sat, Aug 30 - Fri, Sep 19

Qantas Airways flights from Australia to Idaho

Our best Qantas Airways deals on Australia to Idaho flight tickets

Qantas Airways

Sep 12

MEL6:45 amMelbourne

28h 54m

2 stops

GEG6:39 pmSpokane

Sep 19

GEG12:35 pmSpokane

23h 25m

1 stop

MEL5:00 amMelbourne

$1,147

Find similar

Qantas Airways

Aug 30

MEL9:45 amMelbourne

29h 40m

1 stop

GEG10:25 pmSpokane

Sep 19

GEG6:00 amSpokane

30h 00m

1 stop

MEL5:00 amMelbourne

$1,855

Find similar

Qantas Airways

Oct 30

NTL6:15 amNewcastle Williamtown

33h 47m

2 stops

BOI11:02 pmBoise Air Term. Gowen Fld

Nov 3

BOI8:08 amBoise Air Term. Gowen Fld

42h 37m

2 stops

NTL8:45 pmNewcastle Williamtown

$2,412

Find similar

United Airlines flights from Australia to Idaho

Our best United Airlines deals on Australia to Idaho flight tickets

United Airlines

Sep 14

MEL10:55 amMelbourne

29h 10m

1 stop

GEG11:05 pmSpokane

Sep 21

GEG5:15 amSpokane

34h 00m

2 stops

MEL8:15 amMelbourne

$824

Find similar

United Airlines

Sep 13

SYD9:30 amSydney Kingsford Smith

24h 29m

2 stops

BOI5:59 pmBoise Air Term. Gowen Fld

Sep 20

BOI2:42 pmBoise Air Term. Gowen Fld

24h 13m

2 stops

SYD6:55 amSydney Kingsford Smith

$833

Find similar

United Airlines

Sep 12

MEL9:30 amMelbourne

44h 06m

2 stops

GEG12:36 pmSpokane

Sep 19

GEG1:38 pmSpokane

24h 52m

2 stops

MEL7:30 amMelbourne

$1,030

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sun 9/14

10:55 am-11:05 pm

1 stop29h 10m

Spokane

Sun 9/21

5:15 am-8:15 am

2 stops34h 00m

$824

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sat 9/13

9:30 am-5:59 pm

2 stops24h 29m

Boise Air Term. Gowen Fld

Sat 9/20

2:42 pm-6:55 am

2 stops24h 13m

$833

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 9/12

9:30 am-12:36 pm

2 stops44h 06m

Spokane

Fri 9/19

1:38 pm-7:30 am

2 stops24h 52m

$1,030

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 9/12

6:45 am-6:39 pm

2 stops28h 54m

Spokane

Fri 9/19

12:35 pm-5:00 am

1 stop23h 25m

$1,147

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 9/12

9:45 am-12:45 pm

1 stop20h 00m

Spokane

Fri 9/19

1:25 pm-6:45 am

1 stop24h 20m

$1,173

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 8/30

6:05 pm-9:14 am

3 stops32h 09m

Spokane

Fri 9/19

5:06 am-11:15 pm

3 stops25h 09m

$1,266

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sat 9/13

9:20 am-9:42 am

3 stops40h 22m

Boise Air Term. Gowen Fld

Sat 9/20

7:45 am-7:20 am

2 stops31h 35m

$1,560

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 8/30

9:45 am-10:25 pm

1 stop29h 40m

Spokane

Fri 9/19

1:25 pm-6:45 am

1 stop24h 20m

$1,657

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Fri 9/12

6:05 pm-8:08 am

3 stops31h 03m

Spokane

Fri 9/19

5:06 am-11:15 pm

3 stops25h 09m

$1,712

MelbourneSpokane

MEL - GEG

MELGEG

Melbourne

Sat 8/30

9:45 am-10:25 pm

1 stop29h 40m

Spokane

Fri 9/19

6:00 am-5:00 am

1 stop30h 00m

$1,855

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, August 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 $1,047. If you don’t want to visit Idaho in August, then you should wait until September to fly from Australia, when ticket prices are also cheap, with an average price of $1,056.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Australia to Idaho in the afternoon for as low as $984. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $1,056 per ticket.

Cheap Australia to Idaho flight deals and tips

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

Best Price Found	$648
Fastest flight time	20h 00m
Direct flights	None
Airports in Idaho	2 airports

The best one-way flight to Idaho from Australia in the past 72 hours is $648. The best round-trip flight deal from Australia to Idaho found on momondo in the last 72 hours is $824.

The fastest flight from Australia to Idaho takes 20h 00m

There are no direct flights from Australia to Idaho. Popular non-direct routes for this connection are Sydney Kingsford Smith Airport - Boise Air Term. Gowen Fld Airport, Melbourne Airport - Spokane Airport and Darwin Airport - Spokane Airport.

There are 2 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from Australia to Idaho?
Prices for flights from Australia to Idaho were last updated today.
How many operators does momondo search for flights from Australia to Idaho?
There is 1 operator available for flights from Australia to Idaho as of July 2025.
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.

Best airlines flying from Australia to Idaho

Compare and see reviews for airlines that fly from Australia to Idaho with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $739	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

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.