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Cheap flights from Sydney to Idaho from $862

SYD — BOI
3 Nov — 10 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Idaho

Mon 2/1110:55 -
2 stops25h 08m
Mon 9/1119:10 -
1 stop20h 10m
Deal found 2/10$1,367
Fri 6/1111:10 -
2 stops44h 13m
Tue 10/1114:41 -
1 stop22h 14m
Deal found 29/9$1,668
Fri 6/1111:20 -
2 stops44h 25m
Tue 10/1117:44 -
2 stops45h 51m
Deal found 1/10$1,925
Thu 1/1010:20 -
2 stops26h 34m
Sat 3/1017:51 -
2 stops45h 04m
Deal found 30/9$2,811
Fri 6/1111:50 -
1 stop17h 29m
Tue 10/1119:10 -
1 stop20h 10m
Deal found 1/10$2,864
Thu 1/1014:50 -
2 stops48h 06m
Sat 3/1006:09 -
2 stops32h 01m
Deal found 30/9$3,528
Thu 1/1017:50 -
2 stops33h 55m
Sat 3/1012:15 -
1 stop25h 40m
Deal found 30/9$3,842

Find flight deals from Sydney to Idaho

Round-trip from

$1,367

One-way from

$862
United Airlines
  • United Airlines
  • 2/11-9/11
  • 3 total stops
  • 45h 18m total
  • Sydney to Idaho
Search Deals
21/1-31/12
  • 21/1-31/12
  • 2 total stops
  • 21h 00m total
  • Sydney to Idaho
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Idaho that are best for you.

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

Thu 21/1

11:20-14:20

2 stops21h 00m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-17:00

Nonstop0h 00m

$862

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Thu 21/1

13:20-16:46

1 stop21h 26m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,066

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 22/1

06:25-21:42

3 stops33h 17m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,069
Fastest return journey

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 22/1

11:50-11:16

1 stop17h 26m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,150

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Mon 2/11

11:50-21:15

1 stop27h 25m

Boise Air Term. Gowen Fld

Mon 9/11

12:00-09:20

1 stop27h 20m

$1,367

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 6/11

11:10-13:23

2 stops44h 13m

Boise Air Term. Gowen Fld

Tue 10/11

14:41-06:55

1 stop22h 14m

$1,668

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 6/11

11:50-11:19

1 stop17h 29m

Boise Air Term. Gowen Fld

Tue 10/11

19:10-09:20

1 stop20h 10m

$2,868

Flights are sorted by cheapest return flights first.

Deals found on 3/10

Sorted by cheapest first

Best time to book a flight from Sydney to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Sydney with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sydney to Idaho

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

See what other customers who have flown with American Airlines from Sydney to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.0
Good
12,130 reviews
Check prices

Crew

7.9

Entertainment

6.8

Food

6.4

Boarding

7.4

Comfort

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Sherif,Aug 2026

YYZ - ORD

Terrible. Will not fly it again. Constant delays. Canceled flight because a pilot didn't show up the AA stated it was weather related. AA is also liars and didn't want to take responsibility or pay. Delayed luggage. Just horrible all the way around. Second time with this. Lost luggage on a previous flight. Back to Delta.
American Airlines
7.0
Good
12,130 reviews
American Airlines
7.0
Good
12,130 reviews
Check prices

Crew

7.9

Entertainment

6.8

Food

6.4

Boarding

7.4

Comfort

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Sherif,Aug 2026

YYZ - ORD

Terrible. Will not fly it again. Constant delays. Canceled flight because a pilot didn't show up the AA stated it was weather related. AA is also liars and didn't want to take responsibility or pay. Delayed luggage. Just horrible all the way around. Second time with this. Lost luggage on a previous flight. Back to Delta.

Related info for your journey

  • What airport do you fly from for flights from Sydney to Idaho?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to Idaho. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Sydney to Idaho?

    A quick flight from Sydney to Idaho can take about 27h 25m. United Airlines provides one of the quickest options available for as low as $1,367. There are 12704 km between Sydney and Idaho. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Sydney to Idaho that include hotel bookings?

    Yes. In addition to deals on Sydney to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Idaho.

  • Can I find deals for business class flights from Sydney to Idaho?

    Yes. Cheapflights offers flight deals from Sydney to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Sydney to Idaho

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$998Average$1,159FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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Can Cheapflights find flights from Sydney to Idaho with no change fees?

Need flexible booking options for your flight to Idaho from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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