Find flights
When to book
FAQs

Cheap flights from Idaho to Adelaide from $1,864

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to Adelaide

Enter your travel dates to find the best prices.

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 18 December 2025.

Sat 28/208:16BOI - ADL
2 stops42h 24mMultiple Airlines
Wed 4/306:05ADL - BOI
2 stops24h 09mMultiple Airlines
Deal found 16/12$1,864
Sat 28/208:16BOI - ADL
2 stops41h 49mQantas Airways
Wed 4/315:55ADL - BOI
2 stops48h 35mQantas Airways
Deal found 15/12$2,154
Sat 28/207:11BOI - ADL
3 stops36h 19mAir New Zealand
Wed 4/311:55ADL - BOI
2 stops26h 30mAir New Zealand
Deal found 16/12$2,491
Sat 28/210:25BOI - ADL
3 stops42h 35mAir Canada
Wed 4/319:55ADL - BOI
3 stops43h 04mAir Canada
Deal found 16/12$2,671
Sat 28/210:53BOI - ADL
1 stop29h 07mUnited Airlines
Wed 4/314:55ADL - BOI
1 stop18h 42mUnited Airlines
Deal found 15/12$2,710

Find flight deals from Idaho to Adelaide

Keep the following information in mind while searching for Idaho to Adelaide flight deals. Data was last updated 18 December 2025.

Round-trip from

$1,864
28/2-4/3
  • 28/2-4/3
  • 4 total stops
  • 66h 33m total
  • Idaho to Adelaide
Search Deals

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 18 December 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

Sat 28/2

08:16-20:10

2 stops42h 24m

Adelaide

Wed 4/3

06:05-12:44

2 stops24h 09m

$1,864

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 28/2

08:16-19:35

2 stops41h 49m

Adelaide

Wed 4/3

15:55-23:00

2 stops48h 35m

$2,154

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 28/2

07:11-13:00

3 stops36h 19m

Adelaide

Wed 4/3

11:55-20:55

2 stops26h 30m

$2,491

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 28/2

10:25-22:30

3 stops42h 35m

Adelaide

Wed 4/3

19:55-21:29

3 stops43h 04m

$2,671

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 28/2

10:53-09:30

1 stop29h 07m

Adelaide

Wed 4/3

14:55-16:07

1 stop18h 42m

$2,710

Flights are sorted by cheapest return flights first.

Deals found on 16/12

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 36h 19m. The distance from Idaho to Adelaide is about 13715 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near Adelaide?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho to Adelaide?

Cheapflights helps you search for flights from Idaho to Adelaide via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Idaho to Adelaide?

Millions of users choose and trust Cheapflights to book the best flight deals from Idaho to Adelaide for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from Idaho to Adelaide become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.