$575 Find Cheap Flights from Sydney to Idaho - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Idaho departing on 7/30. 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
1 adult, Economy, 0 bags

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Book Cheap Sydney to Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to Idaho

Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
11:15 am - 1:35 pm
SYD
-
BOI
44h 20m
2 stops
American Airlines Logo
7:00 am - 6:55 am
BOI
-
SYD
29h 55m
1 stop
$945American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
2:05 pm - 10:03 pm
SYD
-
BOI
25h 58m
1 stop
American Airlines Logo
1:29 pm - 9:00 am
BOI
-
SYD
49h 31m
2 stops
$1,004American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
11:20 am - 12:38 pm
SYD
-
BOI
43h 18m
2 stops
American Airlines Logo
1:29 pm - 9:00 am
BOI
-
SYD
25h 31m
2 stops
$1,006American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
11:20 am - 10:03 pm
SYD
-
BOI
28h 43m
2 stops
American Airlines Logo
7:00 am - 9:00 am
BOI
-
SYD
32h 00m
2 stops
$1,007American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
2:05 pm - 10:03 pm
SYD
-
BOI
25h 58m
1 stop
American Airlines Logo
5:25 pm - 9:00 am
BOI
-
SYD
21h 35m
2 stops
$1,014American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
2:05 pm - 10:03 pm
SYD
-
BOI
25h 58m
1 stop
American Airlines Logo
1:29 pm - 6:55 am
BOI
-
SYD
23h 26m
1 stop
$1,022American Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
11:50 am - 11:14 am
SYD
-
BOI
17h 24m
1 stop
United Airlines Logo
6:59 pm - 9:20 am
BOI
-
SYD
20h 21m
1 stop
$1,024United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
11:50 am - 11:14 am
SYD
-
BOI
17h 24m
1 stop
United Airlines Logo
6:59 pm - 9:20 am
BOI
-
SYD
20h 21m
1 stop
$1,025United Airlines
Fri, Aug 21 - Fri, Aug 28
American Airlines Logo
9:10 am - 4:49 pm
SYD
-
BOI
23h 39m
2 stops
American Airlines Logo
1:55 pm - 7:05 am
BOI
-
SYD
25h 10m
2 stops
$1,090American Airlines
Fri, Aug 21 - Fri, Aug 28
Delta Logo
9:15 am - 5:19 pm
SYD
-
BOI
24h 04m
2 stops
Delta Logo
6:45 pm - 6:50 am
BOI
-
SYD
20h 05m
2 stops
$1,094Delta
Booking Insights

KAYAK's insights & trends for Sydney to Idaho flights

Get data-powered insights and trends into flights from Sydney to Idaho to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Sydney to Idaho?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Sydney to Idaho were found on American Airlines ($1,007) and United Airlines ($1,024).

Find deals

Good to know

Cheapest flight$575
Flight from Sydney to Boise

FAQs - booking Idaho flights

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

    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 Sydney to Idaho.

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

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

    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 from Sydney to Idaho with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Idaho?

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

Everything you need to know for your flight from Sydney to Idaho

Information on your arrival and departure airports

Sydney (SYD)