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$1,292+ Cheap flights from Sydney (SYD) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOI
Jan 9 — Jan 161
Thu 1/9
Thu 1/16
1 adult, Economy
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Cheap flight deals from Sydney to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 4, 2025.

Round-trip from

$1,292
(Travelocity)
From Sydney Kingsford Smith to Idaho
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Find flight deals from Sydney to Idaho

Cheapest flights from Sydney to Idaho
Explore the most affordable flight options available from Sydney to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2025.

This Travelocity deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1310:20 amSYD - BOI
2 stops30h 39mMultiple Airlines
Thu 2/279:40 amBOI - SYD
2 stops28h 40mMultiple Airlines
Deal found 1/3$1,292
This United Airlines deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1011:20 amSYD - BOI
1 stop20h 19mUnited Airlines
Wed 2/2611:05 amBOI - SYD
1 stop25h 15mUnited Airlines
Deal found 1/3$1,405
This Delta deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/102:15 pmSYD - BOI
2 stops22h 35mDelta
Tue 2/2511:25 amBOI - SYD
2 stops25h 25mDelta
Deal found 1/3$1,419
This Ovago deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/138:55 amSYD - BOI
3 stops32h 04mAir Tahiti Nui
Tue 2/256:58 pmBOI - SYD
3 stops28h 42mAir Tahiti Nui
Deal found 1/3$1,519
This Gurufare deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/121:55 pmSYD - BOI
2 stops20h 32mAir New Zealand
Sat 3/12:03 pmBOI - SYD
2 stops26h 22mAir New Zealand
Deal found 1/3$1,732
This Booking.com deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3111:20 amSYD - BOI
3 stops43h 00mAir Canada
Fri 2/77:15 pmBOI - SYD
2 stops44h 20mAir Canada
Deal found 1/3$2,017

Find flights from Sydney to Idaho within your budget

Customize your flight search to find flights from Sydney to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 4, 2025.

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SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 2/13

10:20 am-10:59 pm

2 stops30h 39m

Boise Air Term. Gowen Fld

Thu 2/27

9:40 am-8:20 am

2 stops28h 40m

$1,292

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Mon 2/10

12:10 pm-4:27 pm

1 stop22h 17m

Boise Air Term. Gowen Fld

Mon 2/24

2:03 pm-9:05 am

1 stop25h 02m

$1,405

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Mon 2/10

2:15 pm-6:50 pm

2 stops22h 35m

Boise Air Term. Gowen Fld

Tue 2/25

11:25 am-6:50 am

2 stops25h 25m

$1,419

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Thu 2/13

8:55 am-10:59 pm

3 stops32h 04m

Boise Air Term. Gowen Fld

Tue 2/25

6:58 pm-5:40 pm

3 stops28h 42m

$1,519

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Wed 2/12

1:55 pm-4:27 pm

2 stops20h 32m

Boise Air Term. Gowen Fld

Sat 3/1

2:03 pm-10:25 am

2 stops26h 22m

$1,732

SydneyBoise

SYD - BOI

SYDBOI

Sydney Kingsford Smith

Fri 1/31

11:20 am-12:20 pm

3 stops43h 00m

Boise Air Term. Gowen Fld

Fri 2/7

7:15 pm-9:35 am

2 stops44h 20m

$2,017

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Sydney to Idaho

Get recent, data-driven insights about flights from Sydney to Idaho including ideal travel times, pricing trends, and more.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated January 4, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very good
8,526 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air New Zealand
8.0
Very good
478 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

United Airlines
7.4
Good
8,963 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Canada
7.0
Good
8,493 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Entertainment

7.3

Food

7.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Idaho from Sydney.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Sydney to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Sydney to Idaho (average of $314). Flying from Sydney to Idaho in June is currently the most expensive (average of $436). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Sydney to Idaho

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