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Find cheap flights from Idaho to Australia from $1,222

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 7/6. 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
Sat 6/15
Sat 6/22

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In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Good to know

Low season

April

High season

December

Cheapest flight

$1,222
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 27% increase in price.
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 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

6/23Sun
2 stopsUnited Airlines
32h 50mGEG-SYD
7/9Tue
1 stopUnited Airlines
22h 32mSYD-GEG
$1,259
11/3Sun
2 stopsAir New Zealand
32h 55mGEG-BNE
12/3Tue
2 stopsAir New Zealand
30h 54mBNE-GEG
$1,274
6/23Sun
1 stopDelta
24h 11mGEG-SYD
7/9Tue
1 stopDelta
19h 34mSYD-GEG
$1,282
11/5Tue
1 stop
27h 05mBOI-SYD
11/18Mon
1 stop
23h 23mSYD-BOI
$1,284
11/7Thu
1 stop
23h 24mBOI-SYD
11/20Wed
1 stop
23h 23mSYD-BOI
$1,334
8/8Thu
2 stopsAmerican Airlines
21h 51mBOI-SYD
8/21Wed
2 stopsAmerican Airlines
23h 29mSYD-BOI
$1,338
10/31Thu
1 stopAlaska Airlines
22h 36mGEG-SYD
11/4Mon
1 stopAlaska Airlines
24h 14mSYD-GEG
$1,343
11/3Sun
1 stopAmerican Airlines
22h 04mGEG-BNE
12/2Mon
1 stopAmerican Airlines
28h 55mBNE-GEG
$1,347
10/9Wed
1 stopDelta
24h 30mBOI-SYD
10/23Wed
1 stopDelta
19h 41mSYD-BOI
$1,348
10/31Thu
1 stopAlaska Airlines
22h 36mGEG-SYD
11/4Mon
2 stopsAlaska Airlines
22h 32mSYD-GEG
$1,443

Search by stops

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Recent one-way flight deals

7/6Sat
1 stop
25h 55mBOI-SYD
$1,222
7/6Sat
2 stopsDelta
24h 40mBOI-SYD
$1,234
7/4Thu
2 stops
27h 10mGEG-CNS
$1,470
7/1Mon
3 stops
27h 58mGEG-CNS
$1,535
7/3Wed
2 stopsUnited Airlines
34h 05mGEG-CNS
$1,717
7/6Sat
3 stopsSingapore Airlines
53h 38mBOI-SYD
$1,905
7/6Sat
2 stopsQantas Airways
31h 21mGEG-CNS
$2,342
7/4Thu
3 stopsAmerican Airlines
36h 28mGEG-CNS
$2,453
7/2Tue
3 stopsAmerican Airlines
37h 13mGEG-CNS
$2,718
7/1Mon
2 stopsQantas Airways
29h 20mGEG-CNS
$3,095

Search by stops

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Search by price

Last minute flights from Idaho to Australia

Last minute flight, train and bus deals

5/20Mon
multi-stopAmerican Airlines
31h 05mGEG-SYD
5/27Mon
multi-stopAmerican Airlines
29h 08mSYD-GEG
$1,338
5/20Mon
multi-stopAlaska Airlines
31h 20mGEG-SYD
5/27Mon
multi-stopAlaska Airlines
30h 44mSYD-GEG
$1,524
5/20Mon
multi-stopDelta
25h 07mGEG-SYD
5/27Mon
multi-stopDelta
19h 35mSYD-GEG
$2,400
5/17Fri
multi-stopUnited Airlines
32h 45mGEG-SYD
6/30Sun
multi-stopUnited Airlines
29h 10mSYD-GEG
$2,431
5/17Fri
multi-stopUnited Airlines
32h 35mGEG-SYD
6/30Sun
multi-stopUnited Airlines
29h 10mSYD-GEG
$2,443
5/17Fri
multi-stopDelta
25h 07mGEG-SYD
6/30Sun
multi-stopDelta
19h 29mSYD-GEG
$2,450
5/17Fri
multi-stopAir Tahiti Nui
39h 10mGEG-SYD
6/30Sun
multi-stopAir Tahiti Nui
25h 41mSYD-GEG
$2,536
5/20Mon
multi-stop
26h 12mGEG-SYD
5/27Mon
multi-stop
21h 39mSYD-GEG
$3,243
5/17Fri
multi-stopAir Canada
33h 05mGEG-SYD
6/30Sun
multi-stopAir Canada
44h 17mSYD-GEG
$3,673
5/20Mon
multi-stopAir Canada
33h 05mGEG-SYD
5/27Mon
multi-stopAir Canada
44h 17mSYD-GEG
$5,463

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Flights to Australia

Return flight deals:

Australia - Idaho

Cabin classes: