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Find cheap flights from Idaho to Australia from $1,824

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Australia departing on 2/7. 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
Sat 29/6
Sat 6/7

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In the last 7 days, travellers have searched 42,686,544 times on KAYAK, and here's why:

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Good to know

Low season

April

High season

March

Cheapest flight

$1,824
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 33% lower on average.
Flight from Spokane 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

2/7Tue
2 stopsUnited Airlines
32h 55mGEG-SYD
16/7Tue
1 stopUnited Airlines
22h 32mSYD-GEG
$1,824
2/7Tue
1 stopQantas Airways
20h 42mGEG-SYD
16/7Tue
1 stopQantas Airways
21h 44mSYD-GEG
$1,866
12/11Tue
2 stops
30h 30mGEG-BNE
19/11Tue
2 stops
21h 59mBNE-GEG
$1,910
22/8Thu
2 stopsAir New Zealand
21h 35mBOI-SYD
8/9Sun
2 stopsAir New Zealand
26h 35mSYD-BOI
$1,982
22/10Tue
2 stopsDelta
27h 25mBOI-SYD
10/11Sun
2 stopsDelta
27h 52mSYD-BOI
$2,040
23/10Wed
1 stop
31h 30mGEG-SYD
9/11Sat
1 stop
24h 04mSYD-GEG
$2,058
24/10Thu
1 stopDelta
24h 30mBOI-SYD
12/11Tue
1 stopDelta
20h 01mSYD-BOI
$2,109
23/8Fri
2 stopsCathay Pacific
47h 35mGEG-BNE
12/9Thu
2 stopsCathay Pacific
39h 11mBNE-GEG
$2,555
12/8Mon
2 stopsAir New Zealand
31h 00mGEG-PER
20/8Tue
2 stopsAir New Zealand
30h 12mPER-GEG
$2,703
21/10Mon
2 stopsCathay Pacific
32h 45mBOI-SYD
9/11Sat
2 stopsCathay Pacific
32h 03mSYD-BOI
$9,914

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Last minute flights from Idaho to Australia

Last minute flight, train and bus deals

4/6Tue
multi-stopAir New Zealand
20h 08mBOI-SYD
11/6Tue
multi-stopAir New Zealand
28h 17mSYD-BOI
$3,169
4/6Tue
multi-stopAir New Zealand
21h 53mBOI-SYD
11/6Tue
multi-stopAir New Zealand
25h 22mSYD-BOI
$3,217
4/6Tue
multi-stop
38h 50mBOI-SYD
11/6Tue
multi-stop
43h 05mSYD-BOI
$3,383
4/6Tue
multi-stop
32h 05mBOI-SYD
11/6Tue
multi-stop
16h 44mSYD-BOI
$3,918
4/6Tue
multi-stop
27h 10mBOI-SYD
11/6Tue
multi-stop
30h 44mSYD-BOI
$6,018

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Flights to Australia

Return flight deals:

Australia - Idaho

Cabin classes: