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Cheap flights from Idaho to Adelaide from $2,659

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ADL
18 Jul — 25 Jul1
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 July 2025.

Round-trip from

$2,659
United Airlines
  • United Airlines
  • 23/8-27/8
  • 4 total stops
  • 52h 07m 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 July 2025.

Sat 23/814:13BOI - ADL
2 stops29h 12mUnited Airlines
Wed 27/806:05ADL - BOI
2 stops22h 55mUnited Airlines
Deal found 10/7$2,659
Sat 23/806:35BOI - ADL
3 stops56h 35mQatar Airways
Wed 27/821:40ADL - BOI
2 stops40h 30mQatar Airways
Deal found 10/7$3,409

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 July 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 23/8

14:13-10:55

2 stops29h 12m

Adelaide

Wed 27/8

06:05-13:30

2 stops22h 55m

$2,659

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 23/8

06:35-06:40

3 stops56h 35m

Adelaide

Wed 27/8

21:40-22:40

2 stops40h 30m

$3,409

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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.

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 July 2025.
Read through reviews of airlines operating flights from Idaho to Adelaide, such as Qatar Airways and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,603 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,July 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,603 reviews
Qatar Airways
7.4
Good
3,603 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,July 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
8,850 reviews
Qatar Airways
7.4
Good
3,603 reviews
Check prices

Food

7.3

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,July 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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

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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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