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

United Airlines is the most popular carrier operating from Sydney Kingsford Smith to Idaho

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Idaho?

Prices for flights from Sydney Kingsford Smith Airport to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Idaho?

As of January 2026, there is 1 operator available to choose from for flights from Sydney Kingsford Smith Airport to Idaho.

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

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

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$998 Cheap Flights from Sydney to Idaho in 2026

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Find the cheapest flights from Sydney to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 11:00 pm

SYD

BOI

26h 00m

2 stops

7:05 pm - 12:35 pm

BOI

SYD

24h 30m

2 stops

$998Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

9:40 am - 9:35 pm

SYD

BOI

28h 55m

1 stop

7:05 am - 7:25 am

BOI

SYD

31h 20m

1 stop

$1,055Delta

Wed, Mar 11 - Wed, Mar 18

11:20 am - 6:02 pm

SYD

BOI

23h 42m

2 stops

12:31 pm - 9:00 am

BOI

SYD

27h 29m

2 stops

$1,067American Airlines

Fri, Mar 13 - Tue, Mar 17

1:05 pm - 10:23 pm

SYD

BOI

26h 18m

1 stop

12:31 pm - 9:00 am

BOI

SYD

27h 29m

2 stops

$1,074American Airlines

Fri, Mar 13 - Tue, Mar 17

1:05 pm - 10:23 pm

SYD

BOI

26h 18m

1 stop

1:35 pm - 6:55 am

BOI

SYD

24h 20m

1 stop

$1,082American Airlines

Fri, Mar 13 - Tue, Mar 17

1:15 pm - 9:35 pm

SYD

BOI

25h 20m

1 stop

12:45 pm - 7:30 am

BOI

SYD

25h 45m

2 stops

$1,083Delta

Thu, Mar 12 - Thu, Mar 19

11:20 am - 6:02 pm

SYD

BOI

23h 42m

2 stops

7:00 am - 9:00 am

BOI

SYD

33h 00m

2 stops

$1,230American Airlines

Fri, Mar 13 - Tue, Mar 17

1:05 pm - 10:23 pm

SYD

BOI

26h 18m

1 stop

12:31 pm - 9:00 am

BOI

SYD

27h 29m

2 stops

$1,237American Airlines

Fri, Mar 13 - Tue, Mar 17

1:05 pm - 10:23 pm

SYD

BOI

26h 18m

1 stop

1:35 pm - 6:55 am

BOI

SYD

24h 20m

1 stop

$1,244American Airlines

Fri, Mar 13 - Tue, Mar 17

1:05 pm - 10:23 pm

SYD

BOI

26h 18m

1 stop

1:35 pm - 6:55 am

BOI

SYD

24h 20m

1 stop

$1,245American Airlines

Fri, Mar 13 - Tue, Mar 17

Delta flights from Sydney to Idaho

Our best Delta deals on Sydney to Idaho flight tickets

Delta

Mar 11

SYD9:40 amSydney Kingsford Smith

28h 55m

1 stop

BOI9:35 pmBoise Air Term. Gowen Fld

Mar 18

BOI7:05 amBoise Air Term. Gowen Fld

31h 20m

1 stop

SYD7:25 amSydney Kingsford Smith

$1,055

Delta

Jan 29

SYD10:40 amSydney Kingsford Smith

23h 37m

2 stops

BOI4:17 pmBoise Air Term. Gowen Fld

Feb 2

BOI7:25 amBoise Air Term. Gowen Fld

31h 05m

1 stop

SYD8:30 amSydney Kingsford Smith

$1,056

Delta

Mar 12

SYD1:15 pmSydney Kingsford Smith

25h 20m

1 stop

BOI9:35 pmBoise Air Term. Gowen Fld

Mar 19

BOI12:45 pmBoise Air Term. Gowen Fld

25h 45m

2 stops

SYD7:30 amSydney Kingsford Smith

$1,083

Singapore Airlines flights from Sydney to Idaho

Our best Singapore Airlines deals on Sydney to Idaho flight tickets

Singapore Airlines

Mar 11

SYD7:10 pmSydney Kingsford Smith

43h 49m

3 stops

BOI9:59 pmBoise Air Term. Gowen Fld

Mar 18

BOI7:07 amBoise Air Term. Gowen Fld

45h 08m

3 stops

SYD9:15 pmSydney Kingsford Smith

$3,204

Singapore Airlines

Mar 12

SYD4:10 pmSydney Kingsford Smith

46h 49m

3 stops

BOI9:59 pmBoise Air Term. Gowen Fld

Mar 19

BOI7:07 amBoise Air Term. Gowen Fld

45h 08m

3 stops

SYD9:15 pmSydney Kingsford Smith

$3,978

Singapore Airlines

Mar 13

SYD7:10 pmSydney Kingsford Smith

43h 49m

3 stops

BOI9:59 pmBoise Air Term. Gowen Fld

Mar 17

BOI7:07 amBoise Air Term. Gowen Fld

41h 48m

3 stops

SYD5:55 pmSydney Kingsford Smith

$3,997

Fly from

Fly to

Route

Depart

Return

Price

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Wed 3/11

2:00 pm-11:00 pm

2 stops26h 00m

Boise Air Term. Gowen Fld

Wed 3/18

7:05 pm-12:35 pm

2 stops24h 30m

$998

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Wed 3/11

9:40 am-9:35 pm

1 stop28h 55m

Boise Air Term. Gowen Fld

Wed 3/18

7:05 am-7:25 am

1 stop31h 20m

$1,055

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

11:20 am-6:02 pm

2 stops23h 42m

Boise Air Term. Gowen Fld

Tue 3/17

12:31 pm-9:00 am

2 stops27h 29m

$1,067

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

1:05 pm-10:23 pm

1 stop26h 18m

Boise Air Term. Gowen Fld

Tue 3/17

12:31 pm-9:00 am

2 stops27h 29m

$1,074

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

1:05 pm-10:23 pm

1 stop26h 18m

Boise Air Term. Gowen Fld

Tue 3/17

1:35 pm-6:55 am

1 stop24h 20m

$1,082

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 3/12

1:15 pm-9:35 pm

1 stop25h 20m

Boise Air Term. Gowen Fld

Thu 3/19

12:45 pm-7:30 am

2 stops25h 45m

$1,083

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

11:20 am-6:02 pm

2 stops23h 42m

Boise Air Term. Gowen Fld

Tue 3/17

7:00 am-9:00 am

2 stops33h 00m

$1,230

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

1:05 pm-10:23 pm

1 stop26h 18m

Boise Air Term. Gowen Fld

Tue 3/17

12:31 pm-9:00 am

2 stops27h 29m

$1,237

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

1:05 pm-10:23 pm

1 stop26h 18m

Boise Air Term. Gowen Fld

Tue 3/17

1:35 pm-6:55 am

1 stop24h 20m

$1,244

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 3/13

1:05 pm-10:23 pm

1 stop26h 18m

Boise Air Term. Gowen Fld

Tue 3/17

1:35 pm-6:55 am

1 stop24h 20m

$1,245

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 Sydney 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

Can stopping save me money on Sydney to Idaho flights?

You could potentially save up to 38% on your flight if you consider stops on a Sydney to Idaho flight.

Cheap Sydney to Idaho flight deals and tips

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

Fastest flight time	26h 00m
Direct flights	None

The fastest flight from Sydney to Idaho takes 26h 00m

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

Search flight deals

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Idaho?
Prices for flights from Sydney Kingsford Smith Airport to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Idaho?
As of January 2026, there is 1 operator available to choose from for flights from Sydney Kingsford Smith Airport to Idaho.
How old do you have to be to fly from Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sydney to Idaho

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,019	Free Cancellation	Rating 7.4 9,205 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Idaho from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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

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

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

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 Sydney to Idaho.

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

Of course. momondo tracks the price of Sydney to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.