Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Idaho to Australia from $407

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Australia departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

Search hundreds of travel sites at once for deals on flights to Australia

In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

April

High season

December

Cheapest flight

$407
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Spokane to Brisbane

FAQs for booking flights from Idaho to Australia

  • How does KAYAK find such low prices on flights from Idaho to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Australia from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Australia with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Australia from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Idaho to Australia

Recent round-trip flight deals

8/22Thu
2 stopsAir New Zealand
26h 31mBOI-SYD
9/8Sun
2 stopsAir New Zealand
26h 35mSYD-BOI
$1,284
11/2Sat
2 stopsAir New Zealand
33h 20mBOI-SYD
11/10Sun
2 stopsAir New Zealand
39h 37mSYD-BOI
$1,329
10/16Wed
2 stops
24h 45mBOI-SYD
11/13Wed
2 stops
26h 53mSYD-BOI
$1,410
10/1Tue
2 stops
24h 45mBOI-SYD
10/29Tue
2 stops
25h 38mSYD-BOI
$1,463
11/2Sat
1 stopAir New Zealand
27h 15mBOI-SYD
11/10Sun
2 stopsAir New Zealand
23h 13mSYD-BOI
$1,470
8/12Mon
2 stopsQatar Airways
41h 55mGEG-PER
8/20Tue
2 stopsQatar Airways
55h 30mPER-GEG
$1,589
10/16Wed
1 stopUnited Airlines
24h 41mBOI-SYD
11/13Wed
1 stopUnited Airlines
22h 48mSYD-BOI
$1,634
10/1Tue
2 stopsUnited Airlines
30h 39mBOI-SYD
10/29Tue
1 stopUnited Airlines
20h 58mSYD-BOI
$1,638
10/25Fri
1 stopQantas Airways
21h 18mGEG-BNE
11/13Wed
1 stopQantas Airways
18h 34mBNE-GEG
$1,642
8/23Fri
1 stopQantas Airways
29h 00mGEG-BNE
9/13Fri
1 stopQantas Airways
18h 06mBNE-GEG
$1,688

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/10Sat
3 stops
45h 26mGEG-BNE
$407
8/11Sun
3 stops
44h 30mGEG-BNE
$439
8/12Mon
3 stops
58h 01mGEG-BNE
$522
8/10Sat
2 stops
43h 05mGEG-BNE
$789
11/11Mon
2 stops
34h 50mGEG-SYD
$911
11/11Mon
1 stopAlaska Airlines
19h 30mGEG-SYD
$1,092
11/11Mon
3 stopsQantas Airways
37h 30mGEG-SYD
$1,117
8/11Sun
2 stops
36h 20mGEG-BNE
$1,129
8/12Mon
2 stops
45h 05mGEG-BNE
$1,173
8/10Sat
1 stopAlaska Airlines
29h 00mGEG-BNE
$1,733

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Australia

Last minute flight, train and bus deals

6/12Wed
multi-stopAir New Zealand
20h 08mBOI-SYD
6/14Fri
multi-stopAir New Zealand
25h 22mSYD-BOI
$2,120
6/12Wed
multi-stopUnited Airlines
24h 29mBOI-SYD
6/14Fri
multi-stopUnited Airlines
44h 33mSYD-BOI
$2,196
6/12Wed
multi-stop
25h 55mBOI-SYD
6/14Fri
multi-stop
20h 37mSYD-BOI
$2,667
6/14Fri
multi-stop
30h 05mGEG-CNS
6/20Thu
multi-stop
27h 28mCNS-GEG
$3,573
6/14Fri
multi-stop
30h 20mGEG-CNS
6/20Thu
multi-stop
29h 04mCNS-GEG
$3,939
6/14Fri
multi-stop
27h 58mGEG-CNS
6/20Thu
multi-stop
27h 28mCNS-GEG
$3,983

Search by stops

Search by airline

Search by price

Flights to Australia

Return flight deals:

Australia - Idaho

Cabin classes: