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$1,824 Find cheap flights from Idaho to Sydney

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sydney 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
sáb. 29/6
sáb. 6/7

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Good to know

Low season

September

High season

November

Cheapest flight

$1,824
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 20% lower on average.
Flight from Spokane to Sydney

FAQs for booking flights from Idaho to Sydney

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

    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 Sydney.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney 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 Sydney?

    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 Sydney 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 Sydney?

    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 Sydney from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly direct from Idaho to Sydney Kingsford Smith?

Find which airlines fly direct from Idaho to Kingsford Smith, which days they fly and book direct flights.

Direct departures

Idaho to Sydney Kingsford Smith

Monday

ANA, Aegean Airlines, Air Canada, +76 more

ANA, Aegean Airlines, +77 more

Tuesday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Wednesday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Thursday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Friday

ANA, Aegean Airlines, Air Canada, +78 more

ANA, Aegean Airlines, +79 more

Saturday

ANA, Aegean Airlines, Air Canada, +71 more

ANA, Aegean Airlines, +72 more

Sunday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

See more direct flights

Direct returns

Sydney Kingsford Smith to Idaho

Monday

ANA, Aegean Airlines, Air Canada, +76 more

ANA, Aegean Airlines, +77 more

Tuesday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Wednesday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Thursday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

Friday

ANA, Aegean Airlines, Air Canada, +78 more

ANA, Aegean Airlines, +79 more

Saturday

ANA, Aegean Airlines, Air Canada, +71 more

ANA, Aegean Airlines, +72 more

Sunday

ANA, Aegean Airlines, Air Canada, +73 more

ANA, Aegean Airlines, +74 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Sydney

Recent return flight deals

2/7mar.
2 stopsUnited Airlines
32h 55mGEG-SYD
16/7mar.
1 stopUnited Airlines
22h 32mSYD-GEG
$1,824
2/7mar.
1 stopQantas Airways
20h 42mGEG-SYD
16/7mar.
1 stopQantas Airways
21h 44mSYD-GEG
$1,866
22/8jue.
2 stopsAir New Zealand
21h 35mBOI-SYD
8/9dom.
2 stopsAir New Zealand
26h 35mSYD-BOI
$1,982
22/10mar.
2 stopsDelta
27h 25mBOI-SYD
10/11dom.
2 stopsDelta
27h 52mSYD-BOI
$2,040
23/10mié.
1 stop
31h 30mGEG-SYD
9/11sáb.
1 stop
24h 04mSYD-GEG
$2,058
21/10lun.
2 stops
24h 45mBOI-SYD
9/11sáb.
2 stops
26h 23mSYD-BOI
$2,102
24/10jue.
1 stopDelta
24h 30mBOI-SYD
12/11mar.
1 stopDelta
20h 01mSYD-BOI
$2,109
22/8jue.
3 stopsSingapore Airlines
40h 50mBOI-SYD
8/9dom.
2 stopsSingapore Airlines
45h 35mSYD-BOI
$3,191
21/10lun.
3 stopsSingapore Airlines
43h 05mBOI-SYD
9/11sáb.
2 stopsSingapore Airlines
48h 45mSYD-BOI
$3,244
21/10lun.
2 stopsAir New Zealand
27h 21mBOI-SYD
9/11sáb.
1 stopAir New Zealand
20h 58mSYD-BOI
$11,294

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Last minute flights from Idaho to Sydney

Last minute flight, train and bus deals

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

Search by stops

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Flights to Sydney

Destination:

Sydney (SYD)Australia

Return flight deals:

Sydney - Idaho

Cabin classes:

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