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 round-trip 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.

$746 CHEAP FLIGHTS from Idaho to Sydney

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Flight Deals

Cheap Flights from Idaho to Sydney

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Idaho to Sydney

Sun, Jan 24 - Sun, Jan 31

8:23 pm - 6:25 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

64h 02m2 stops Portland Los Angeles

11:15 am - 6:04 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

24h 49m2 stops Los Angeles Seattle/Tacoma Intl

$1,123Alaska Airlines

Sun, Jan 24 - Sun, Jan 31

8:23 pm - 6:25 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

64h 02m2 stops Portland Los Angeles

11:15 am - 10:54 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

29h 39m1 stop Los Angeles

$1,131Alaska Airlines

Sun, Jan 24 - Sun, Jan 31

7:04 am - 8:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 31m2 stops San Francisco Auckland Intl

7:25 pm - 9:35 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

44h 10m2 stops Auckland Intl San Francisco

$1,220Air New Zealand

Sun, Jan 24 - Sun, Jan 31

6:00 am - 8:35 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

32h 35m2 stops San Francisco Auckland Intl

11:50 am - 2:52 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 02m1 stop San Francisco

$1,323Air New Zealand

Sun, Jan 24 - Sun, Jan 31

6:29 pm - 9:00 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

20h 31m1 stop Los Angeles

11:15 am - 2:29 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 14m1 stop Los Angeles

$1,534Multiple Airlines

Thu, Feb 4 - Mon, Feb 8

7:04 am - 6:20 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

29h 16m1 stop San Francisco

11:50 am - 11:16 amSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

17h 26m1 stop San Francisco

$1,538United Airlines

Thu, Feb 4 - Mon, Feb 8

8:15 am - 6:20 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

28h 05m2 stops Chicago O'Hare Intl San Francisco

11:50 am - 2:51 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 01m1 stop San Francisco

$1,543United Airlines

Thu, Feb 4 - Mon, Feb 8

10:40 am - 6:20 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

25h 40m2 stops Denver Intl San Francisco

11:20 am - 6:09 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

24h 49m2 stops Los Angeles Denver Intl

$1,543United Airlines

Sun, Jan 24 - Sun, Jan 31

8:23 pm - 6:25 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

64h 02m2 stops Portland Los Angeles

8:55 am - 10:50 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

31h 55m3 stops Auckland Intl Papeete Faaa Los Angeles

$1,566Multiple Airlines

Thu, Feb 4 - Mon, Feb 8

7:04 am - 6:20 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

29h 16m1 stop San Francisco

11:50 am - 11:16 amSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

17h 26m1 stop San Francisco

$1,587United Airlines

Useful Info

Low season	July
High season	December

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly with an average 29% increase in price.

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 round-trip 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.