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

Delta and Lufthansa are the most popular carriers 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 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.

$453 Cheap Flights from Sydney to Idaho in 2026

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.

10:20 am - 8:19 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

26h 59m2 stops Vancouver Intl Portland

5:44 pm - 9:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

45h 51m2 stops Denver Intl Vancouver Intl

$800Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

11:20 am - 1:45 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

44h 25m2 stops Vancouver Intl Denver Intl

7:10 pm - 9:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

44h 25m2 stops San Francisco Vancouver Intl

$852Air Canada

Fri, Nov 6 - Tue, Nov 10

11:20 am - 1:45 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

44h 25m2 stops Vancouver Intl Denver Intl

7:10 pm - 9:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

44h 25m2 stops San Francisco Vancouver Intl

$854Air Canada

Fri, Nov 6 - Tue, Nov 10

11:20 am - 9:32 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

28h 12m2 stops Vancouver Intl Denver Intl

7:10 pm - 9:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

44h 25m2 stops San Francisco Vancouver Intl

$858Air Canada

Fri, Nov 6 - Tue, Nov 10

11:20 am - 9:32 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

28h 12m2 stops Vancouver Intl Denver Intl

7:10 pm - 9:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

44h 25m2 stops San Francisco Vancouver Intl

$859Air Canada

Fri, Nov 6 - Tue, Nov 10

10:20 am - 9:39 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

28h 19m2 stops Vancouver Intl San Francisco

8:15 am - 8:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 20m2 stops San Francisco Vancouver Intl

$911Air Canada

Sat, Oct 24 - Sat, Oct 31

9:40 am - 11:04 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

30h 24m1 stop Los Angeles

10:34 am - 8:30 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

27h 56m2 stops Seattle/Tacoma Intl Los Angeles

$1,050Delta

Mon, Oct 26 - Mon, Nov 2

9:10 am - 5:03 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

23h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

8:05 am - 7:05 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,052American Airlines

Tue, Sep 22 - Mon, Sep 28

10:20 am - 3:31 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 11m1 stop San Francisco

6:50 pm - 6:55 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

20h 05m1 stop San Francisco

$1,056United Airlines

Tue, Sep 22 - Tue, Sep 29

9:15 am - 6:39 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 24m2 stops Los Angeles Seattle/Tacoma Intl

6:44 pm - 6:50 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

20h 06m2 stops Salt Lake City Los Angeles

$1,089Delta

Thu, Sep 24 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

9:10 am - 10:03 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

28h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

8:05 am - 7:05 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,052American Airlines

Wed, Sep 16 - Mon, Sep 28

9:30 am - 5:58 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

24h 28m2 stops Los Angeles Denver Intl

12:26 pm - 7:00 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

26h 34m2 stops Chicago O'Hare Intl Los Angeles

$1,056United Airlines

Tue, Sep 15 - Mon, Sep 28

9:15 am - 6:39 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 24m2 stops Los Angeles Seattle/Tacoma Intl

3:28 pm - 6:50 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

23h 22m2 stops Seattle/Tacoma Intl Los Angeles

$1,089Delta

Thu, Sep 17 - Tue, Sep 29

9:10 am - 5:03 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

23h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

1:50 pm - 6:55 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

25h 05m1 stop Dallas/Fort Worth

$1,105American Airlines

Wed, Sep 16 - Wed, Sep 30

9:10 am - 10:03 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

28h 53m2 stops Los Angeles Phoenix Sky Harbor Intl

8:05 am - 7:05 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,106American Airlines

Wed, Sep 16 - Fri, Oct 2

10:20 am - 11:06 amSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

16h 46m1 stop San Francisco

2:20 pm - 6:55 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

24h 35m1 stop San Francisco

$1,110United Airlines

Fri, Sep 18 - Tue, Sep 29

9:15 am - 2:44 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 29m1 stop Los Angeles

7:05 am - 6:50 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 45m1 stop Los Angeles

$1,133Delta

Tue, Sep 15 - Thu, Oct 1

5:50 pm - 10:03 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

20h 13m2 stops Los Angeles Phoenix Sky Harbor Intl

1:52 pm - 6:55 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

25h 03m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$1,159American Airlines

Tue, Sep 15 - Wed, Sep 30

9:15 am - 6:39 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

25h 24m2 stops Los Angeles Seattle/Tacoma Intl

12:17 pm - 6:50 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

26h 33m2 stops Seattle/Tacoma Intl Los Angeles

$1,178Delta

Fri, Sep 18 - Thu, Oct 1

12:00 pm - 10:27 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

26h 27m1 stop Dallas/Fort Worth

1:50 pm - 6:55 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

25h 05m1 stop Dallas/Fort Worth

$1,213American Airlines

Fri, Sep 18 - Wed, Sep 30

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Delta flights from Sydney to Idaho

Our best Delta deals on Sydney to Idaho flight tickets

Delta

Oct 26

SYD9:40 amSydney Kingsford Smith

30h 24m

1 stop

BOI11:04 pmBoise Air Term. Gowen Fld

Nov 2

BOI10:34 amBoise Air Term. Gowen Fld

27h 56m

2 stops

SYD8:30 amSydney Kingsford Smith

$1,050

Delta

Sep 24

SYD9:15 amSydney Kingsford Smith

21h 29m

1 stop

BOI2:44 pmBoise Air Term. Gowen Fld

Sep 29

BOI7:05 amBoise Air Term. Gowen Fld

31h 45m

1 stop

SYD6:50 amSydney Kingsford Smith

$1,089

Delta

Sep 24

SYD9:15 amSydney Kingsford Smith

24h 04m

2 stops

BOI5:19 pmBoise Air Term. Gowen Fld

Oct 1

BOI3:28 pmBoise Air Term. Gowen Fld

23h 22m

2 stops

SYD6:50 amSydney Kingsford Smith

$1,133

American Airlines flights from Sydney to Idaho

Our best American Airlines deals on Sydney to Idaho flight tickets

American Airlines

Sep 22

SYD9:10 amSydney Kingsford Smith

28h 53m

2 stops

BOI10:03 pmBoise Air Term. Gowen Fld

Sep 29

BOI8:05 amBoise Air Term. Gowen Fld

31h 00m

2 stops

SYD7:05 amSydney Kingsford Smith

$1,052

American Airlines

Sep 22

SYD9:10 amSydney Kingsford Smith

29h 17m

2 stops

BOI10:27 pmBoise Air Term. Gowen Fld

Oct 5

BOI2:41 pmBoise Air Term. Gowen Fld

23h 14m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,105

American Airlines

Sep 22

SYD9:10 amSydney Kingsford Smith

23h 53m

2 stops

BOI5:03 pmBoise Air Term. Gowen Fld

Oct 1

BOI5:20 pmBoise Air Term. Gowen Fld

45h 45m

2 stops

SYD7:05 amSydney Kingsford Smith

$1,106

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Mon 10/26

10:20 am-8:19 pm

2 stops26h 59m

Boise Air Term. Gowen Fld

Mon 11/2

5:44 pm-9:35 am

2 stops45h 51m

$800

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 11/6

11:20 am-1:45 pm

2 stops44h 25m

Boise Air Term. Gowen Fld

Tue 11/10

7:10 pm-9:35 am

2 stops44h 25m

$852

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 11/6

11:20 am-1:45 pm

2 stops44h 25m

Boise Air Term. Gowen Fld

Tue 11/10

7:10 pm-9:35 am

2 stops44h 25m

$854

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 11/6

11:20 am-9:32 pm

2 stops28h 12m

Boise Air Term. Gowen Fld

Tue 11/10

7:10 pm-9:35 am

2 stops44h 25m

$858

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 11/6

11:20 am-9:32 pm

2 stops28h 12m

Boise Air Term. Gowen Fld

Tue 11/10

7:10 pm-9:35 am

2 stops44h 25m

$859

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Sat 10/24

10:20 am-9:39 pm

2 stops28h 19m

Boise Air Term. Gowen Fld

Sat 10/31

8:15 am-8:35 am

2 stops31h 20m

$911

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Mon 10/26

9:40 am-11:04 pm

1 stop30h 24m

Boise Air Term. Gowen Fld

Mon 11/2

10:34 am-8:30 am

2 stops27h 56m

$1,050

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Tue 9/22

9:10 am-5:03 pm

2 stops23h 53m

Boise Air Term. Gowen Fld

Mon 9/28

8:05 am-7:05 am

2 stops31h 00m

$1,052

Quickest round-trip

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Tue 9/22

10:20 am-3:31 pm

1 stop21h 11m

Boise Air Term. Gowen Fld

Tue 9/29

6:50 pm-6:55 am

1 stop20h 05m

$1,056

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Thu 9/24

9:15 am-6:39 pm

2 stops25h 24m

Boise Air Term. Gowen Fld

Tue 9/29

6:44 pm-6:50 am

2 stops20h 06m

$1,089

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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

Best Price Found	$453
Fastest flight time	24h 23m
Direct flights	None

The best one-way flight to Idaho from Sydney in the past 72 hours is $453. The best round-trip flight deal from Sydney to Idaho found on momondo in the last 72 hours is $800.

The fastest flight from Sydney to Idaho takes 24h 23m

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

Search flight deals

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.