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Cheap flights from Idaho to Adelaide from $1,273

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 2/28. 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
0 bags

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Find the cheapest flights from Idaho to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:16 am - 9:50 am
BOI
-
ADL
32h 04m2 stops
Multiple Airlines Logo
7:50 am - 12:44 pm
ADL
-
BOI
22h 24m2 stops
$1,273Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
8:16 am - 6:00 pm
BOI
-
ADL
40h 14m2 stops
Qantas Airways Logo
2:25 pm - 11:00 pm
ADL
-
BOI
50h 05m2 stops
$1,425Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
7:11 am - 1:00 pm
BOI
-
ADL
36h 19m3 stops
Multiple Airlines Logo
11:55 am - 10:15 pm
ADL
-
BOI
27h 50m2 stops
$1,466Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
8:16 am - 1:40 pm
BOI
-
ADL
35h 54m2 stops
Qantas Airways Logo
3:55 pm - 11:00 pm
ADL
-
BOI
48h 35m2 stops
$1,525Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Air New Zealand Logo
7:11 am - 1:00 pm
BOI
-
ADL
36h 19m3 stops
Air New Zealand Logo
9:00 am - 4:07 pm
ADL
-
BOI
24h 37m3 stops
$1,680Air New Zealand
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
6:55 pm - 9:30 am
BOI
-
ADL
21h 05m1 stop
United Airlines Logo
2:55 pm - 11:38 pm
ADL
-
BOI
26h 13m1 stop
$1,793United Airlines
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
6:55 pm - 9:30 am
BOI
-
ADL
21h 05m1 stop
United Airlines Logo
2:55 pm - 9:32 pm
ADL
-
BOI
24h 07m2 stops
$1,798United Airlines
Sat, Feb 28 - Wed, Mar 4
Singapore Airlines Logo
5:30 am - 5:20 pm
BOI
-
ADL
42h 20m2 stops
Singapore Airlines Logo
10:15 am - 9:59 pm
ADL
-
BOI
53h 14m3 stops
$4,596Singapore Airlines
Sat, Feb 28 - Wed, Mar 4
Singapore Airlines Logo
7:11 am - 8:50 am
BOI
-
ADL
56h 09m3 stops
Singapore Airlines Logo
10:15 am - 9:59 pm
ADL
-
BOI
53h 14m3 stops
$5,486Singapore Airlines
Sat, Feb 28 - Wed, Mar 4

Qantas Airways flights from Idaho to Adelaide

Our best Qantas Airways deals on Idaho to Adelaide flight tickets
Qantas Airways
Feb 28
BOI8:16 amBoise Air Term. Gowen Fld
40h 14m
2 stops
ADL6:00 pmAdelaide
Mar 4
ADL2:25 pmAdelaide
50h 05m
2 stops
BOI11:00 pmBoise Air Term. Gowen Fld
$1,425
Find similar
Qantas Airways
Feb 28
BOI8:16 amBoise Air Term. Gowen Fld
35h 54m
2 stops
ADL1:40 pmAdelaide
Mar 4
ADL3:55 pmAdelaide
48h 35m
2 stops
BOI11:00 pmBoise Air Term. Gowen Fld
$1,525
Find similar

Singapore Airlines flights from Idaho to Adelaide

Our best Singapore Airlines deals on Idaho to Adelaide flight tickets
Singapore Airlines
Feb 28
BOI5:30 amBoise Air Term. Gowen Fld
42h 20m
2 stops
ADL5:20 pmAdelaide
Mar 4
ADL10:15 amAdelaide
53h 14m
3 stops
BOI9:59 pmBoise Air Term. Gowen Fld
$4,596
Find similar
Singapore Airlines
Feb 28
BOI7:11 amBoise Air Term. Gowen Fld
56h 09m
3 stops
ADL8:50 amAdelaide
Mar 4
ADL10:15 amAdelaide
53h 14m
3 stops
BOI9:59 pmBoise Air Term. Gowen Fld
$5,486
Find similar

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 December 15, 2025.
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

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

8:16 am-9:50 am

2 stops32h 04m

Adelaide

Wed 3/4

7:50 am-12:44 pm

2 stops22h 24m

$1,273

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

8:16 am-6:00 pm

2 stops40h 14m

Adelaide

Wed 3/4

2:25 pm-11:00 pm

2 stops50h 05m

$1,425

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

7:11 am-1:00 pm

3 stops36h 19m

Adelaide

Wed 3/4

11:55 am-10:15 pm

2 stops27h 50m

$1,466

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

8:16 am-1:40 pm

2 stops35h 54m

Adelaide

Wed 3/4

3:55 pm-11:00 pm

2 stops48h 35m

$1,525

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

7:11 am-1:00 pm

3 stops36h 19m

Adelaide

Wed 3/4

9:00 am-4:07 pm

3 stops24h 37m

$1,680

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

6:55 pm-9:30 am

1 stop21h 05m

Adelaide

Wed 3/4

2:55 pm-11:38 pm

1 stop26h 13m

$1,793

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

6:55 pm-9:30 am

1 stop21h 05m

Adelaide

Wed 3/4

2:55 pm-9:32 pm

2 stops24h 07m

$1,798

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

5:30 am-5:20 pm

2 stops42h 20m

Adelaide

Wed 3/4

10:15 am-9:59 pm

3 stops53h 14m

$4,596

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Sat 2/28

7:11 am-8:50 am

3 stops56h 09m

Adelaide

Wed 3/4

10:15 am-9:59 pm

3 stops53h 14m

$5,486

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

40h 14m

Direct flights

None
The fastest flight from Idaho to Adelaide takes 40h 14m
There are no direct flights from Idaho to Adelaide. There are no popular flight routes from Idaho to Adelaide.
Search flight deals

  • 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.

  • 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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