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 are updated daily.

How many operators does momondo search for flights from Australia to Idaho?

As of November 2026, there are 2 operators available to choose from for flights from Australia to Idaho.

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 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 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 licence, 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.

$1,255 Cheap Flights from Australia to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Idaho

Return

One-way

Last minute

Recent return flight deals from Australia to Idaho

Enter your travel dates to find the best prices.

10:20 - 19:16SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 56m2 stops Vancouver Intl San Francisco

06:30 - 08:20BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

32h 50m2 stops San Francisco Vancouver Intl

$1,544Air Canada

Tue, 30 Mar - Sat, 3 Apr

10:20 - 19:16SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 56m2 stops Vancouver Intl San Francisco

06:30 - 08:20BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

32h 50m2 stops San Francisco Vancouver Intl

$1,545Air Canada

Tue, 30 Mar - Sat, 3 Apr

06:05 - 16:49BNE Brisbane-BOI Boise Air Term. Gowen Fld

26h 44m2 stops Melbourne San Francisco

16:05 - 06:30BOI Boise Air Term. Gowen Fld-BNE Brisbane

22h 25m1 stop San Francisco

$1,738United Airlines

Thu, 22 Apr - Mon, 26 Apr

06:05 - 23:41BNE Brisbane-BOI Boise Air Term. Gowen Fld

33h 36m2 stops Melbourne San Francisco

14:43 - 06:30BOI Boise Air Term. Gowen Fld-BNE Brisbane

23h 47m2 stops Denver Intl San Francisco

$1,738United Airlines

Thu, 22 Apr - Mon, 26 Apr

06:05 - 23:41BNE Brisbane-BOI Boise Air Term. Gowen Fld

33h 36m2 stops Melbourne San Francisco

14:43 - 06:30BOI Boise Air Term. Gowen Fld-BNE Brisbane

23h 47m2 stops Denver Intl San Francisco

$1,742United Airlines

Thu, 22 Apr - Mon, 26 Apr

10:20 - 21:16SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

27h 56m2 stops Vancouver Intl Denver Intl

11:45 - 07:20BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

27h 35m2 stops San Francisco Vancouver Intl

$1,845Air Canada

Tue, 30 Mar - Sat, 3 Apr

10:20 - 21:16SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

27h 56m2 stops Vancouver Intl Denver Intl

11:45 - 07:20BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

27h 35m2 stops San Francisco Vancouver Intl

$1,850Air Canada

Tue, 30 Mar - Sat, 3 Apr

10:10 - 12:03SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

42h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

14:14 - 06:55BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

24h 41m1 stop Dallas/Fort Worth

$2,040American Airlines

Tue, 30 Mar - Sat, 3 Apr

10:10 - 12:03SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

42h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

14:14 - 06:55BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

24h 41m1 stop Dallas/Fort Worth

$2,044American Airlines

Tue, 30 Mar - Sat, 3 Apr

10:10 - 12:03SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

42h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

14:14 - 06:55BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

24h 41m1 stop Dallas/Fort Worth

$2,047American Airlines

Tue, 30 Mar - Sat, 3 Apr

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Delta flights from Australia to Idaho

Our best Delta deals on Australia to Idaho flight tickets

Delta

9 Nov

SYD10:40Sydney Kingsford Smith

22h 18m

1 stop

BOI14:58Boise Air Term. Gowen Fld

16 Nov

BOI06:00Boise Air Term. Gowen Fld

32h 30m

2 stops

SYD08:30Sydney Kingsford Smith

$1,510

Delta

22 Dec

SYD13:35Sydney Kingsford Smith

26h 32m

1 stop

BOI22:07Boise Air Term. Gowen Fld

4 Jan

BOI07:25Boise Air Term. Gowen Fld

31h 05m

1 stop

SYD08:30Sydney Kingsford Smith

$3,155

Delta

22 Dec

SYD13:35Sydney Kingsford Smith

28h 16m

2 stops

BOI23:51Boise Air Term. Gowen Fld

4 Jan

BOI08:44Boise Air Term. Gowen Fld

29h 46m

2 stops

SYD08:30Sydney Kingsford Smith

$3,232

United Airlines flights from Australia to Idaho

Our best United Airlines deals on Australia to Idaho flight tickets

United Airlines

22 Apr

BNE06:05Brisbane

33h 36m

2 stops

BOI23:41Boise Air Term. Gowen Fld

26 Apr

BOI14:43Boise Air Term. Gowen Fld

23h 47m

2 stops

BNE06:30Brisbane

$1,738

United Airlines

22 Apr

BNE06:05Brisbane

33h 36m

2 stops

BOI23:41Boise Air Term. Gowen Fld

26 Apr

BOI14:43Boise Air Term. Gowen Fld

23h 47m

2 stops

BNE06:30Brisbane

$1,742

United Airlines

22 Apr

BNE06:05Brisbane

33h 36m

2 stops

BOI23:41Boise Air Term. Gowen Fld

26 Apr

BOI14:43Boise Air Term. Gowen Fld

23h 47m

2 stops

BNE06:30Brisbane

$1,743

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:20-19:16

2 stops25h 56m

Boise Air Term. Gowen Fld

Sat 3/4

06:30-08:20

2 stops32h 50m

$1,544

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:20-19:16

2 stops25h 56m

Boise Air Term. Gowen Fld

Sat 3/4

06:30-08:20

2 stops32h 50m

$1,545

Fastest return journey

BrisbaneBoise

BNE Brisbane - BOI Boise Air Term. Gowen Fld

BNEBOI

Brisbane

Thu 22/4

06:05-16:49

2 stops26h 44m

Boise Air Term. Gowen Fld

Mon 26/4

16:05-06:30

1 stop22h 25m

$1,738

BrisbaneBoise

BNE Brisbane - BOI Boise Air Term. Gowen Fld

BNEBOI

Brisbane

Thu 22/4

06:05-23:41

2 stops33h 36m

Boise Air Term. Gowen Fld

Mon 26/4

14:43-06:30

2 stops23h 47m

$1,738

BrisbaneBoise

BNE Brisbane - BOI Boise Air Term. Gowen Fld

BNEBOI

Brisbane

Thu 22/4

06:05-23:41

2 stops33h 36m

Boise Air Term. Gowen Fld

Mon 26/4

14:43-06:30

2 stops23h 47m

$1,742

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:20-21:16

2 stops27h 56m

Boise Air Term. Gowen Fld

Sat 3/4

11:45-07:20

2 stops27h 35m

$1,845

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:20-21:16

2 stops27h 56m

Boise Air Term. Gowen Fld

Sat 3/4

11:45-07:20

2 stops27h 35m

$1,850

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:10-12:03

2 stops42h 53m

Boise Air Term. Gowen Fld

Sat 3/4

14:14-06:55

1 stop24h 41m

$2,040

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:10-12:03

2 stops42h 53m

Boise Air Term. Gowen Fld

Sat 3/4

14:14-06:55

1 stop24h 41m

$2,044

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Tue 30/3

10:10-12:03

2 stops42h 53m

Boise Air Term. Gowen Fld

Sat 3/4

14:14-06:55

1 stop24h 41m

$2,047

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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

What is the cheapest month to fly to Idaho?

If you’re not able to fly to Idaho in March, then February is your next best option. Flight prices from Australia to Idaho during February average around $0.

Can stopping save me money on Australia to Idaho flights?

You could potentially save up to 1% 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

Best price found	$1,255
Fastest flight time	28h 39m
Direct flights	None

The best one-way flight to Idaho from Australia in the past 72 hours is $1,255. The best return flight deal from Australia to Idaho found on momondo in the last 72 hours is $1,544.

The fastest flight from Australia to Idaho takes 28h 39m

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

Search flight deals

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 are updated daily.
How many operators does momondo search for flights from Australia to Idaho?
As of November 2026, there are 2 operators available to choose from for flights from Australia to Idaho.
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 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 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 licence, 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 $918	Free cancellation	Rating 7.3 10,459 reviews		Search United Airlines flights
American Airlines	PriceFrom $990	Free cancellation	Rating 7.0 12,230 reviews		Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Idaho for you.

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

Flights from Australia to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Yes momondo offers price alerts on flights to Idaho from Australia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.