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$1,212+ Cheap flights from Idaho to Adelaide (ADL)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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1. Tell us where you want to go

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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 October 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,211
(United Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Adelaide flights.
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From Idaho to Adelaide
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Find flight deals from Idaho to Adelaide

Cheapest flights from Idaho to Adelaide
Explore the most affordable flight options available from Idaho to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 12/12:40 pmBOI - ADL
2 stops38h 20mUnited Airlines
Mon 12/292:55 pmADL - BOI
1 stop21h 48mUnited Airlines
Deal found 10/29$6,051
This business-class.com deal was found by Cheapflights users on 10/29. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:59 amBOI - ADL
3 stops34h 11mMultiple Airlines
Mon 12/294:10 pmADL - BOI
3 stops24h 57mMultiple Airlines
Deal found 10/29$6,602

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 30, 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

Mon 2/2

10:48 am-9:30 am

1 stop29h 12m

Adelaide

Sat 2/21

2:55 pm-11:38 pm

1 stop26h 13m

$1,212

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 2/11

10:28 am-9:30 am

2 stops53h 32m

Adelaide

Sun 2/15

6:10 am-8:55 pm

2 stops32h 15m

$1,733

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

8:10 am-5:45 pm

3 stops40h 05m

Adelaide

Sat 2/21

6:05 am-12:04 pm

3 stops47h 29m

$2,063

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 2/11

10:15 am-5:20 pm

2 stops37h 35m

Adelaide

Sun 2/15

6:35 pm-8:55 pm

3 stops43h 50m

$2,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 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.

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?

    Most people fly into Adelaide (ADL) if they book a flight to Adelaide from Idaho. Adelaide is conveniently located just 4.1 mi from Adelaide’s city center.

  • How long is the flight from Idaho to Adelaide?

    A quick flight from Idaho to Adelaide can take about 29h 12m. United Airlines provides one of the quickest options available for as low as $1,212. Idaho and Adelaide are separated by a distance of 8522 mi.

  • 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 vacation 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.

See more FAQs

Traveling to a place near Adelaide?

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Glenelg

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