$999 Find cheap flights from Idaho to Australia

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 3/2. 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.
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Good to know

Low season

July

High season

March

Cheapest flight

$999
Best time to beat the crowds but there is an average 27% increase in price.
Most popular time to fly and prices are also 31% lower on average.
Flight from Boise to Sydney

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 return 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 return flight deals

4/4Fri
1 stopDelta
30h 35mGEG-SYD
11/4Fri
1 stopDelta
29h 11mSYD-GEG
$1,955
4/4Fri
2 stopsUnited Airlines
24h 40mGEG-SYD
11/4Fri
2 stopsUnited Airlines
46h 49mSYD-GEG
$2,169
12/1Sun
1 stopAir New Zealand
21h 55mGEG-SYD
25/1Sat
2 stopsAir New Zealand
39h 18mSYD-GEG
$2,762
12/1Sun
2 stops
34h 28mGEG-SYD
25/1Sat
3 stops
47h 41mSYD-GEG
$2,862
12/1Sun
3 stopsAir Tahiti Nui
39h 38mGEG-SYD
25/1Sat
3 stopsAir Tahiti Nui
47h 41mSYD-GEG
$3,114
13/2Thu
2 stopsAir Canada
33h 35mGEG-SYD
18/2Tue
3 stopsAir Canada
44h 23mSYD-GEG
$3,926
4/1Sat
2 stopsAir New Zealand
34h 40mGEG-SYD
11/1Sat
2 stopsAir New Zealand
39h 18mSYD-GEG
$4,401
4/1Sat
2 stops
34h 40mGEG-SYD
11/1Sat
1 stop
24h 06mSYD-GEG
$4,613
1/1Wed
3 stopsAir Canada
31h 20mBOI-SYD
11/1Sat
2 stopsAir Canada
24h 01mSYD-BOI
$6,723
5/1Sun
3 stopsAir Tahiti Nui
28h 51mBOI-SYD
12/1Sun
3 stopsAir Tahiti Nui
32h 03mSYD-BOI
$8,820

Search by stops

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Recent one-way flight deals

3/2Mon
1 stopUnited Airlines
20h 00mBOI-SYD
$999
3/2Mon
3 stops
26h 25mBOI-SYD
$1,843
17/12Tue
2 stopsChina Airlines
53h 58mBOI-SYD
$2,368
17/12Tue
1 stopQantas Airways
30h 14mBOI-SYD
$3,396
17/12Tue
3 stopsLATAM Airlines
73h 42mBOI-SYD
$4,556

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Last minute flights from Idaho to Australia

Last minute flight, train and bus deals

25/11Mon
multi-stopUnited Airlines
34h 15mBOI-SYD
30/11Sat
multi-stopUnited Airlines
27h 24mSYD-BOI
$2,276
25/11Mon
multi-stopAir New Zealand
22h 25mGEG-SYD
27/11Wed
multi-stopAir New Zealand
28h 10mSYD-GEG
$2,991
25/11Mon
multi-stopUnited Airlines
24h 40mBOI-SYD
30/11Sat
multi-stopUnited Airlines
24h 31mSYD-BOI
$3,005
25/11Mon
multi-stopAir New Zealand
23h 35mGEG-SYD
27/11Wed
multi-stopAir New Zealand
20h 11mSYD-GEG
$3,031
25/11Mon
multi-stop
43h 30mBOI-SYD
30/11Sat
multi-stop
41h 16mSYD-BOI
$3,608
25/11Mon
multi-stop
34h 40mGEG-SYD
27/11Wed
multi-stop
47h 45mSYD-GEG
$3,643
25/11Mon
multi-stop
30h 39mBOI-SYD
30/11Sat
multi-stop
41h 16mSYD-BOI
$3,665
25/11Mon
multi-stopQantas Airways
29h 55mGEG-SYD
27/11Wed
multi-stopQantas Airways
28h 27mSYD-GEG
$3,941
25/11Mon
multi-stop
33h 25mGEG-SYD
27/11Wed
multi-stop
46h 20mSYD-GEG
$4,963
25/11Mon
multi-stop
23h 10mBOI-SYD
30/11Sat
multi-stop
23h 20mSYD-BOI
$5,915

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Everything you need to know for your flight to Australia

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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