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$1,959+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,959
(Trip.com)
From Idaho to Adelaide
Search Deals

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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:18 amBOI - ADL
2 stops35h 07mMultiple Airlines
Fri 8/111:55 amADL - BOI
2 stops26h 29mMultiple Airlines
Deal found 6/9$1,959
This Gotogate deal was found by Cheapflights users on 6/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/254:40 pmBOI - ADL
2 stops26h 45mAir New Zealand
Fri 8/16:00 amADL - BOI
3 stops28h 41mAir New Zealand
Deal found 6/9$2,381
This Gotogate deal was found by Cheapflights users on 6/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:00 pmBOI - ADL
3 stops50h 10mQatar Airways
Fri 8/111:40 amADL - BOI
3 stops50h 44mQatar Airways
Deal found 6/9$2,957

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 June 12, 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

Fri 7/25

8:18 am-10:55 am

2 stops35h 07m

Adelaide

Fri 8/1

11:55 am-10:54 pm

2 stops26h 29m

$1,959

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Fri 7/25

4:40 pm-10:55 am

2 stops26h 45m

Adelaide

Fri 8/1

6:00 am-7:11 pm

3 stops28h 41m

$2,381

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Fri 7/25

1:00 pm-6:40 am

3 stops50h 10m

Adelaide

Fri 8/1

11:40 am-10:54 pm

3 stops50h 44m

$2,957

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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

Rainfall in Adelaide by month

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

In terms of precipitation, rainfall in Adelaide ranges from 0.4 - 2.4 inches per month. July is typically the wettest month, when rainfall can reach 2.4 in. January is typically the driest time to visit Adelaide when rainfall is around 0.4 in.

Temperature in Adelaide by month

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

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated June 12, 2025.
Air New Zealand
8.0
Very good
483 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Air New Zealand
8.0
Very good
483 reviews
Air New Zealand
8.0
Very good
483 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Qatar Airways
7.4
Good
3,584 reviews
Air New Zealand
8.0
Very good
483 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

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.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Idaho to Adelaide (average of $1,214). Flying from Idaho to Adelaide in December is currently the most expensive (average of $2,057). 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

Traveling to a place near Idaho?

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Glenelg

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