Cheap flights from Sydney to Southwest Idaho

View AU$753 flight on Tue, 26 Aug. 2025Opens in a new window

Popular airlines from Sydney to Southwest Idaho

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Air Canada

    Air Canada

  • Air New Zealand

    Air New Zealand

  • Alaska Airlines

    Alaska Airlines

  • Qantas Airways

    Qantas Airways

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Cheap Flights from Sydney (SYD) to Southwest Idaho (BOI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 5 Sep. - Fri, 12 Sep.
SYD
Sydney
BOI
Boise
AU$1,256 Return, found 8 hours ago
AU$1,256
Return
found 8 hours ago
Select American Airlines flight, departing Fri, 5 Sep. from Sydney to Boise, returning Fri, 12 Sep., priced at AU$1,256 found 8 hours ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
SYD
Sydney
BOI
Boise
AU$1,300 Return, found 9 hours ago
AU$1,300
Return
found 9 hours ago
Select Delta flight, departing Thu, 4 Sep. from Sydney to Boise, returning Thu, 11 Sep., priced at AU$1,300 found 9 hours ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
SYD
Sydney
BOI
Boise
AU$1,355 Return, found 8 hours ago
AU$1,355
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 6 Sep. from Sydney to Boise, returning Sat, 13 Sep., priced at AU$1,355 found 8 hours ago
Air New Zealand
Sat, 6 Sep. - Sat, 13 Sep.
SYD
Sydney
BOI
Boise
AU$1,613 Return, found 8 hours ago
AU$1,613
Return
found 8 hours ago
Select Air New Zealand flight, departing Sat, 6 Sep. from Sydney to Boise, returning Sat, 13 Sep., priced at AU$1,613 found 8 hours ago
United
Sun, 2 Nov. - Sun, 16 Nov.
SYD
Sydney
BOI
Boise
AU$1,789 Return, found 5 days ago
AU$1,789
Return
found 5 days ago
Select United flight, departing Sun, 2 Nov. from Sydney to Boise, returning Sun, 16 Nov., priced at AU$1,789 found 5 days ago
Alaska Airlines
Fri, 5 Sep. - Fri, 12 Sep.
SYD
Sydney
BOI
Boise
AU$1,868 Return, found 8 hours ago
AU$1,868
Return
found 8 hours ago
Select Alaska Airlines flight, departing Fri, 5 Sep. from Sydney to Boise, returning Fri, 12 Sep., priced at AU$1,868 found 8 hours ago
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