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Cheap flights from Idaho to Adelaide from $1,705

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Adelaide departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Idaho to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 pm - 11:05 am
BOI
-
ADL
24h 30m
2 stops
United Airlines Logo
6:05 am - 4:44 pm
ADL
-
BOI
26h 09m
2 stops
$1,705United Airlines
Wed, Jul 29 - Sun, Aug 2
United Airlines Logo
2:00 pm - 11:10 am
BOI
-
ADL
29h 40m
2 stops
United Airlines Logo
6:05 am - 4:44 pm
ADL
-
BOI
26h 09m
2 stops
$1,708United Airlines
Wed, Jul 29 - Sun, Aug 2
United Airlines Logo
2:00 pm - 11:10 am
BOI
-
ADL
29h 40m
2 stops
United Airlines Logo
6:05 am - 4:44 pm
ADL
-
BOI
26h 09m
2 stops
$1,709United Airlines
Wed, Jul 29 - Sun, Aug 2
Singapore Airlines Logo
7:00 am - 4:20 pm
BOI
-
ADL
41h 50m
3 stops
Singapore Airlines Logo
9:10 am - 10:05 pm
ADL
-
BOI
52h 25m
2 stops
$5,733Singapore Airlines
Wed, Jul 29 - Sun, Aug 2
Singapore Airlines Logo
7:00 am - 4:20 pm
BOI
-
ADL
41h 50m
3 stops
Singapore Airlines Logo
9:10 am - 10:05 pm
ADL
-
BOI
52h 25m
2 stops
$5,734Singapore Airlines
Wed, Jul 29 - Sun, Aug 2

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United Airlines flights from Idaho to Adelaide

Our best United Airlines deals on Idaho to Adelaide flight tickets
United Airlines
Jul 29
BOI7:05 pmBoise Air Term. Gowen Fld
24h 30m
2 stops
ADL11:05 amAdelaide
Aug 2
ADL6:05 amAdelaide
26h 09m
2 stops
BOI4:44 pmBoise Air Term. Gowen Fld
$1,705
United Airlines
Jul 29
BOI2:00 pmBoise Air Term. Gowen Fld
29h 40m
2 stops
ADL11:10 amAdelaide
Aug 2
ADL6:05 amAdelaide
26h 09m
2 stops
BOI4:44 pmBoise Air Term. Gowen Fld
$1,708
United Airlines
Jul 29
BOI2:00 pmBoise Air Term. Gowen Fld
29h 40m
2 stops
ADL11:10 amAdelaide
Aug 2
ADL6:05 amAdelaide
26h 09m
2 stops
BOI4:44 pmBoise Air Term. Gowen Fld
$1,709

Singapore Airlines flights from Idaho to Adelaide

Our best Singapore Airlines deals on Idaho to Adelaide flight tickets
Singapore Airlines
Jul 29
BOI7:00 amBoise Air Term. Gowen Fld
41h 50m
3 stops
ADL4:20 pmAdelaide
Aug 2
ADL9:10 amAdelaide
52h 25m
2 stops
BOI10:05 pmBoise Air Term. Gowen Fld
$5,733
Singapore Airlines
Jul 29
BOI7:00 amBoise Air Term. Gowen Fld
41h 50m
3 stops
ADL4:20 pmAdelaide
Aug 2
ADL9:10 amAdelaide
52h 25m
2 stops
BOI10:05 pmBoise Air Term. Gowen Fld
$5,734

momondo 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, momondo users made 832,500 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from Idaho to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 7/29

7:05 pm-11:05 am

2 stops24h 30m

Adelaide

Sun 8/2

6:05 am-4:44 pm

2 stops26h 09m

$1,705

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 7/29

2:00 pm-11:10 am

2 stops29h 40m

Adelaide

Sun 8/2

6:05 am-4:44 pm

2 stops26h 09m

$1,708

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 7/29

2:00 pm-11:10 am

2 stops29h 40m

Adelaide

Sun 8/2

6:05 am-4:44 pm

2 stops26h 09m

$1,709

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 7/29

7:00 am-4:20 pm

3 stops41h 50m

Adelaide

Sun 8/2

9:10 am-10:05 pm

2 stops52h 25m

$5,733

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 7/29

7:00 am-4:20 pm

3 stops41h 50m

Adelaide

Sun 8/2

9:10 am-10:05 pm

2 stops52h 25m

$5,734

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Idaho to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Adelaide

Fastest flight time

24h 30m

Direct flights

None
The fastest flight from Idaho to Adelaide takes 24h 30m
There are no direct flights from Idaho to Adelaide. There are no popular flight routes from Idaho to Adelaide.
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Frequently asked questions about flying from Idaho to Adelaide

  • When did momondo last update prices for flights from Idaho to Adelaide Airport?

    Prices for flights from Idaho to Adelaide Airport are updated daily.

  • How old do you have to be to fly from Idaho to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Idaho to Adelaide

  • How do I get Price Alerts for flights from Idaho to Adelaide?

    Price Alerts will notify you by email when the price for flights to Adelaide from Idaho decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Idaho to Adelaide with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Adelaide?

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

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Adelaide?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Adelaide. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Adelaide with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Adelaide from Idaho with this policy.

How can momondo help me find flights from Idaho to Adelaide?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Adelaide.

I’m not ready to book a flight from Idaho to Adelaide right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Adelaide now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Adelaide and let you know when they change.

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