When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport were last updated today.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport?

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 Boise Air Term. Gowen Fld Airport 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.

$792 Cheap Flights from Boise to Sydney in 2026

Find the cheapest flights from Boise to Sydney

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:00 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 57m2 stops Nadi Los Angeles

$1,431Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:00 - 12:28SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

39h 28m2 stops Nadi Los Angeles

$1,467Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,497Multiple Airlines

Tue, 13 Oct - Thu, 22 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,509Multiple Airlines

Tue, 13 Oct - Wed, 21 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,524Multiple Airlines

Tue, 13 Oct - Fri, 23 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,529Multiple Airlines

Mon, 12 Oct - Thu, 22 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:00 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 57m2 stops Nadi Los Angeles

$1,535Multiple Airlines

Tue, 13 Oct - Mon, 26 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:00 - 12:28SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

39h 28m2 stops Nadi Los Angeles

$1,540Multiple Airlines

Mon, 12 Oct - Mon, 26 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,542Multiple Airlines

Mon, 12 Oct - Wed, 21 Oct

07:20 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 10m1 stop Los Angeles

14:15 - 22:57SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 42m2 stops Nadi Los Angeles

$1,557Multiple Airlines

Mon, 12 Oct - Fri, 23 Oct

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Alaska Airlines flights from Boise to Sydney

Our best Alaska Airlines deals on Boise to Sydney flight tickets

Alaska Airlines

15 Sept

BOI18:47Boise Air Term. Gowen Fld

20h 43m

1 stop

SYD07:30Sydney Kingsford Smith

21 Sept

SYD17:50Sydney Kingsford Smith

21h 10m

1 stop

BOI23:00Boise Air Term. Gowen Fld

$2,055

Alaska Airlines

30 Sept

BOI18:47Boise Air Term. Gowen Fld

20h 43m

1 stop

SYD07:30Sydney Kingsford Smith

5 Oct

SYD18:50Sydney Kingsford Smith

31h 42m

2 stops

BOI09:32Boise Air Term. Gowen Fld

$2,061

Air New Zealand flights from Boise to Sydney

Our best Air New Zealand deals on Boise to Sydney flight tickets

Air New Zealand

1 Nov

BOI06:20Boise Air Term. Gowen Fld

34h 15m

2 stops

SYD10:35Sydney Kingsford Smith

6 Nov

SYD11:50Sydney Kingsford Smith

22h 52m

2 stops

BOI16:42Boise Air Term. Gowen Fld

$1,728

Air New Zealand

12 Oct

BOI16:20Boise Air Term. Gowen Fld

22h 40m

2 stops

SYD08:00Sydney Kingsford Smith

23 Oct

SYD11:55Sydney Kingsford Smith

26h 25m

2 stops

BOI21:20Boise Air Term. Gowen Fld

$2,029

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Tue 20/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Tue 27/10

14:00-22:57

2 stops25h 57m

$1,431

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Mon 19/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Mon 26/10

14:00-12:28

2 stops39h 28m

$1,467

Fastest return journey

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Tue 13/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Thu 22/10

14:15-22:57

2 stops25h 42m

$1,497

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Tue 13/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Wed 21/10

14:15-22:57

2 stops25h 42m

$1,509

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Tue 13/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Fri 23/10

14:15-22:57

2 stops25h 42m

$1,524

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Mon 12/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Thu 22/10

14:15-22:57

2 stops25h 42m

$1,529

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Tue 13/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Mon 26/10

14:00-22:57

2 stops25h 57m

$1,535

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Mon 12/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Mon 26/10

14:00-12:28

2 stops39h 28m

$1,540

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Mon 12/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Wed 21/10

14:15-22:57

2 stops25h 42m

$1,542

BoiseSydney

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

BOISYD

Boise Air Term. Gowen Fld

Mon 12/10

07:20-07:30

1 stop31h 10m

Sydney Kingsford Smith

Fri 23/10

14:15-22:57

2 stops25h 42m

$1,557

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 Boise 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 month to fly to Sydney?

The month of January is, on average, the cheapest month to fly to Sydney from Boise, with most prices found around $0. If you aren’t able to travel to Sydney during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,493.

When to book flights from Boise to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Boise to Sydney (BOI to SYD) flight deals and tips

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

Best price found	$792
Fastest flight time	21h 50m
Direct flights	None

The best one-way flight to Sydney from Boise in the past 72 hours is $792. The best return flight deal from Boise to Sydney found on momondo in the last 72 hours is $1,431.

The fastest flight from Boise to Sydney takes 21h 50m

There are no direct flights from Boise to Sydney. There are no popular flight routes from Boise to Sydney.

Search flight deals

Frequently asked questions about flying from Boise to Sydney

How far is Boise Air Term. Gowen Fld to Sydney Kingsford Smith by plane?
The straight-line distance from Boise Air Term. Gowen Fld to Sydney Kingsford Smith is 12701.7 km. In terms of flight time, this usually takes a little over 21h 50m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Sydney Kingsford Smith Airport?
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 Boise Air Term. Gowen Fld Airport 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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Yes. momondo can track prices for Boise to Sydney 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.