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 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.

$745 Cheap Flights from Sydney to Idaho in 2026

Find the cheapest flights from Sydney to Idaho

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 9:35 am

SYD

BOI

40h 15m

2 stops

6:30 am - 7:20 am

BOI

SYD

32h 50m

2 stops

$745Air Canada

Thu, Aug 27 - Mon, Aug 31

9:30 am - 5:58 pm

SYD

BOI

24h 28m

2 stops

2:44 pm - 7:00 am

BOI

SYD

24h 16m

2 stops

$1,031United Airlines

Thu, Aug 27 - Mon, Aug 31

9:15 am - 10:00 pm

SYD

BOI

28h 45m

2 stops

7:05 am - 6:50 am

BOI

SYD

31h 45m

1 stop

$1,082Delta

Thu, Sep 3 - Sun, Sep 20

9:20 am - 3:31 pm

SYD

BOI

46h 11m

2 stops

2:44 pm - 7:20 am

BOI

SYD

24h 36m

2 stops

$1,303Air Canada

Thu, Aug 27 - Mon, Aug 31

9:10 am - 12:33 pm

SYD

BOI

19h 23m

1 stop

7:05 am - 7:05 am

BOI

SYD

32h 00m

1 stop

$1,406Multiple Airlines

Thu, Sep 3 - Sun, Sep 20

11:50 am - 1:38 pm

SYD

BOI

43h 48m

2 stops

5:40 pm - 9:05 am

BOI

SYD

45h 25m

2 stops

$1,514United Airlines

Sun, Dec 20 - Fri, Jan 1

11:50 am - 4:49 pm

SYD

BOI

22h 59m

1 stop

4:05 pm - 6:20 am

BOI

SYD

20h 15m

1 stop

$1,520United Airlines

Sun, Dec 20 - Fri, Jan 1

9:50 pm - 10:02 pm

SYD

BOI

42h 12m

2 stops

2:12 pm - 6:25 am

BOI

SYD

22h 13m

2 stops

$1,719Qantas Airways

Sun, Dec 20 - Fri, Jan 1

6:45 pm - 11:03 pm

SYD

BOI

46h 18m

2 stops

7:46 am - 6:25 am

BOI

SYD

28h 39m

1 stop

$1,896Multiple Airlines

Sun, Dec 20 - Fri, Jan 1

7:40 am - 1:59 pm

SYD

BOI

46h 19m

2 stops

6:47 pm - 7:45 am

BOI

SYD

44h 58m

3 stops

$1,905Multiple Airlines

Thu, Sep 3 - Sun, Sep 20

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Air Canada flights from Sydney to Idaho

Our best Air Canada deals on Sydney to Idaho flight tickets

Air Canada

Aug 27

SYD9:20 amSydney Kingsford Smith

40h 15m

2 stops

BOI9:35 amBoise Air Term. Gowen Fld

Aug 31

BOI6:30 amBoise Air Term. Gowen Fld

32h 50m

2 stops

SYD7:20 amSydney Kingsford Smith

$745

Air Canada

Aug 27

SYD9:20 amSydney Kingsford Smith

46h 11m

2 stops

BOI3:31 pmBoise Air Term. Gowen Fld

Aug 31

BOI2:44 pmBoise Air Term. Gowen Fld

24h 36m

2 stops

SYD7:20 amSydney Kingsford Smith

$1,303

United Airlines flights from Sydney to Idaho

Our best United Airlines deals on Sydney to Idaho flight tickets

United Airlines

Aug 27

SYD10:20 amSydney Kingsford Smith

25h 04m

1 stop

BOI7:24 pmBoise Air Term. Gowen Fld

Aug 31

BOI2:44 pmBoise Air Term. Gowen Fld

24h 11m

2 stops

SYD6:55 amSydney Kingsford Smith

$1,031

United Airlines

Aug 27

SYD10:20 amSydney Kingsford Smith

25h 04m

1 stop

BOI7:24 pmBoise Air Term. Gowen Fld

Aug 31

BOI11:52 amBoise Air Term. Gowen Fld

27h 03m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,953

United Airlines

Aug 27

SYD10:20 amSydney Kingsford Smith

25h 04m

1 stop

BOI7:24 pmBoise Air Term. Gowen Fld

Aug 31

BOI2:44 pmBoise Air Term. Gowen Fld

24h 11m

2 stops

SYD6:55 amSydney Kingsford Smith

$1,954

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 8/27

9:20 am-9:35 am

2 stops40h 15m

Boise Air Term. Gowen Fld

Mon 8/31

6:30 am-7:20 am

2 stops32h 50m

$745

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 8/27

9:30 am-5:58 pm

2 stops24h 28m

Boise Air Term. Gowen Fld

Mon 8/31

2:44 pm-7:00 am

2 stops24h 16m

$1,031

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 9/3

9:15 am-10:00 pm

2 stops28h 45m

Boise Air Term. Gowen Fld

Sun 9/20

7:05 am-6:50 am

1 stop31h 45m

$1,082

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 8/27

9:20 am-3:31 pm

2 stops46h 11m

Boise Air Term. Gowen Fld

Mon 8/31

2:44 pm-7:20 am

2 stops24h 36m

$1,303

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 9/3

9:10 am-12:33 pm

1 stop19h 23m

Boise Air Term. Gowen Fld

Sun 9/20

7:05 am-7:05 am

1 stop32h 00m

$1,406

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 12/20

11:50 am-1:38 pm

2 stops43h 48m

Boise Air Term. Gowen Fld

Fri 1/1

5:40 pm-9:05 am

2 stops45h 25m

$1,514

Quickest round-trip

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 12/20

11:50 am-4:49 pm

1 stop22h 59m

Boise Air Term. Gowen Fld

Fri 1/1

4:05 pm-6:20 am

1 stop20h 15m

$1,520

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 12/20

9:50 pm-10:02 pm

2 stops42h 12m

Boise Air Term. Gowen Fld

Fri 1/1

2:12 pm-6:25 am

2 stops22h 13m

$1,719

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Sun 12/20

6:45 pm-11:03 pm

2 stops46h 18m

Boise Air Term. Gowen Fld

Fri 1/1

7:46 am-6:25 am

1 stop28h 39m

$1,896

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 9/3

7:40 am-1:59 pm

2 stops46h 19m

Boise Air Term. Gowen Fld

Sun 9/20

6:47 pm-7:45 am

3 stops44h 58m

$1,905

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Can stopping save me money on Sydney to Idaho flights?

You could potentially save up to 1% 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	25h 04m
Direct flights	None

The fastest flight from Sydney to Idaho takes 25h 04m

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

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Frequently asked questions about flying from Sydney 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 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.

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.