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Cheap flights from Idaho to Adelaide from $1,908

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Idaho to Adelaide

Keep the following information in mind while searching for Idaho to Adelaide flight deals. Data was last updated 29 August 2025.

Round-trip from

$1,908
Air New Zealand
  • Air New Zealand
  • 17/2-17/3
  • 5 total stops
  • 77h 12m total
  • Idaho to Adelaide
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Find flight deals from Idaho to Adelaide

Best flights from Idaho to Adelaide
Discover carefully curated flight deals from Idaho to Adelaide that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Tue 17/208:05BOI - ADL
2 stops33h 20mAir New Zealand
Tue 17/319:00ADL - BOI
3 stops43h 52mAir New Zealand
Deal found 28/8$1,908
Mon 2/214:20BOI - ADL
1 stop25h 40mUnited Airlines
Sat 21/214:55ADL - BOI
1 stop22h 16mUnited Airlines
Deal found 27/8$2,126
Mon 2/210:15BOI - ADL
2 stops31h 10mAir New Zealand
Sat 21/217:10ADL - BOI
2 stops44h 01mAir New Zealand
Deal found 28/8$2,098

Cheapflights Fare Finder

 
Customise your flight search to find flights from Idaho to Adelaide 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 647,157 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Idaho to Adelaide that are best for you.

Fly from

Idaho

Fly to

Adelaide

Route

Depart

Return

Price

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Tue 17/2

08:05-10:55

2 stops33h 20m

Adelaide

Tue 17/3

19:00-22:22

3 stops43h 52m

$1,908

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

10:15-10:55

2 stops31h 10m

Adelaide

Sat 21/2

17:10-19:41

2 stops44h 01m

$2,098

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

14:20-09:30

1 stop25h 40m

Adelaide

Sat 21/2

14:55-19:41

1 stop22h 16m

$2,126

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Best time to book a flight from Idaho to Adelaide

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

Cheapflights Insights

Everything you need to know about your flight from Idaho to Adelaide
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Adelaide. 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 into for flights to Adelaide from Idaho?

    If you book a flight to Adelaide from Idaho, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide.

  • How long is the flight from Idaho to Adelaide?

    Departing from Idaho to Adelaide will take you 33h 20m. The distance from Idaho to Adelaide is about 13715 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Adelaide 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 Idaho to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Idaho to Adelaide (average of $168). Flying from Idaho to Adelaide in October is currently the most expensive (average of $241). 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

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg
Stirling

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

Certainly. Search results for flights to Adelaide from Idaho shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Idaho to Adelaide and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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