Find flights
When to book
Airlines
FAQs

Cheap flights from Idaho to Adelaide from $2,255

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

$2,255
American Airlines
  • American Airlines
  • 13/11-30/11
  • 4 total stops
  • 59h 06m total
  • 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 13 June 2025.

Thu 13/1113:32BOI - ADL
2 stops28h 13mAmerican Airlines
Sun 30/1107:55ADL - BOI
2 stops30h 53mAmerican Airlines
Deal found 12/6$2,255
Thu 13/1110:40BOI - ADL
3 stops32h 05mAir New Zealand
Sun 30/1111:55ADL - BOI
2 stops43h 19mAir New Zealand
Deal found 12/6$2,714

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 13 June 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

Thu 13/11

13:32-11:15

2 stops28h 13m

Adelaide

Sun 30/11

07:55-21:18

2 stops30h 53m

$2,255

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Thu 13/11

10:40-12:15

3 stops32h 05m

Adelaide

Sun 30/11

11:55-13:44

2 stops43h 19m

$2,714

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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

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 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

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 13 June 2025.
Air New Zealand
8.0
Very Good
483 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.4

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
Check prices

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
American Airlines
7.2
Good
10,000 reviews
Air New Zealand
8.0
Very Good
483 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.4

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?

    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.

  • 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 Idaho?

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

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.
Site
©2025 Cheapflights