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906 € Cheap Flights from Boise to Sydney

Compare Boise to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Boise to Sydney

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Sydney Airport? If you want to travel next month, return fares start from 906 €. Find the lowest prices on one-way and return tickets right here.
Sydney.906 € per passenger.Departing Thu, 13 Aug, returning Thu, 20 Aug.Return flight with Alaska Airlines and Fiji Airways.Outbound indirect flight with Alaska Airlines, departs from Boise on Thu, 13 Aug, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Thu, 20 Aug, arriving in Boise.Price includes taxes and charges.From 906 €, select.
Sydney.909 € per passenger.Departing Wed, 4 Nov, returning Wed, 11 Nov.Return flight with Alaska Airlines and Virgin Australia.Outbound indirect flight with Alaska Airlines, departs from Boise on Wed, 4 Nov, arriving in Sydney.Inbound indirect flight with Virgin Australia, departs from Sydney on Wed, 11 Nov, arriving in Boise.Price includes taxes and charges.From 909 €, select.
Sydney.920 € per passenger.Departing Sun, 13 Sep, returning Mon, 28 Sep.Return flight with Alaska Airlines and Fiji Airways.Outbound indirect flight with Alaska Airlines, departs from Boise on Sun, 13 Sep, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Mon, 28 Sep, arriving in Boise.Price includes taxes and charges.From 920 €, select.
Sydney.974 € per passenger.Departing Wed, 29 Jul, returning Tue, 4 Aug.Return flight with Alaska Airlines and Fiji Airways.Outbound indirect flight with Alaska Airlines, departs from Boise on Wed, 29 Jul, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Tue, 4 Aug, arriving in Boise.Price includes taxes and charges.From 974 €, select.
Sydney.1.055 € per passenger.Departing Sat, 13 Feb, returning Sat, 27 Feb.Return flight with Alaska Airlines and Virgin Australia.Outbound indirect flight with Alaska Airlines, departs from Boise on Sat, 13 Feb, arriving in Sydney.Inbound indirect flight with Virgin Australia, departs from Sydney on Sat, 27 Feb, arriving in Boise.Price includes taxes and charges.From 1.055 €, select.
Sydney.1.260 € per passenger.Departing Wed, 9 Dec, returning Wed, 23 Dec.Return flight with United.Outbound indirect flight with United, departs from Boise on Wed, 9 Dec, arriving in Sydney.Inbound indirect flight with United, departs from Sydney on Wed, 23 Dec, arriving in Boise.Price includes taxes and charges.From 1.260 €, select.
Sydney.1.290 € per passenger.Departing Sat, 25 Jul, returning Fri, 31 Jul.Return flight with Alaska Airlines and Jetstar.Outbound indirect flight with Alaska Airlines, departs from Boise on Sat, 25 Jul, arriving in Sydney.Inbound indirect flight with Jetstar, departs from Sydney on Fri, 31 Jul, arriving in Boise.Price includes taxes and charges.From 1.290 €, select.

Find the cheapest month to fly from Boise to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Sydney flights are currently cheapest in August.
Jul
from 1.290 €
Aug
from 906 €
Sep
from 920 €
Oct
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Nov
from 909 €
Dec
from 1.260 €
Jan
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Feb
from 1.055 €
Mar
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Apr
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May
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Jun
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Boise to Sydney: Alternative routes

Compare routes from Boise to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Sydney

9km from central Sydney
ClosestCheapest
from 906 €
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Wollongong

86km from central Sydney
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Boise to Sydney: Flight information

The things to know before you go.
Cheapest flight found906 €
Cheapest month to flyAugust

Finding cheap flights from Boise to Sydney: Frequently asked questions

The best price we found for a return flight from Boise to Sydney is 906 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Sydney. But we found flights with one or more stops from 906 €.
As of July 2026, there are no flights flying from Boise to Sydney.
The cheapest month to fly from Boise to Sydney is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Sydney Airport on Thursday, 13 August 2026.
No airlines currently offer direct flights between Boise Airport and Sydney Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Alaska Airlines offers the cheapest flight tickets to Sydney.

Travelling from Boise Airport (BOI) to Sydney Airport (SYD): what you need to know

  • Sydney's timezone is UTC+11, which makes Sydney 18 hours ahead of Boise.

  • Get to the airport on time so you don't miss your BOI to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • During popular months such as October, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Boise Airport to Sydney Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Worthwhile stopovers between BOI and SYD include:

    • Dallas Fort Worth International Airport

    • Los Angeles International Airport

    • San Francisco International Airport

Handy information about Boise Airport (BOI)

  • BOI's address is 3201 Airport Way.

  • Boise Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from BOI touch down on schedule 84% of the time.

  • To reach Boise Airport from central Boise, it takes about 15 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 6 kilometres from the airport to the city centre.

  • Expect a trip time of around 30 minutes when using public transport.

  • Searching for a handy hotel near BOI? If you're boarding an early flight from Boise Airport to Sydney Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Sydney Airport (SYD)

  • Consider booking a hotel near SYD if you're catching a late Boise Airport to Sydney Airport flight. Settle into one of these accommodation options and make your arrival easier:

  • Grab a Sydney Airport rental car and explore Sydney and beyond with your own set of wheels. Simba car rental, Bargain Car Rentals and Yes Drive are leading providers you can book with here.

  • Booking your ride from Sydney Airport around two weeks ahead increases your chances of getting a good deal.

Getting from Sydney Airport (SYD) to central Sydney

  • Sydney Airport to the centre of Sydney has a drive time of about 20 minutes. It's approximately 8 kilometres away.

  • Getting there on public transport will take you around 15 minutes.

When to fly to Sydney Airport (SYD)

  • July is the busiest month for flights from Boise Airport to Sydney Airport. To steer clear of the crowds, visit Sydney in March.

  • Book your flight from Boise Airport to Sydney Airport for January if you'd like to visit Sydney during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

  • For cooler conditions, search for a cheap ticket from BOI to SYD in July. Temperatures average between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of Australia

  • You've seen Sydney, now it's time to discover other parts of Australia. Journey around 241 kilometres south-west to Canberra to check off its top sights. From National Gallery of Australia to National Portrait Gallery and Museum of Australian Democracy, you'll have a full itinerary ahead.

  • If you want to check out another major destination in Australia, head for Newcastle, roughly 121 kilometres north-east of Sydney. Merewether Beach, Nobbys Beach and Newcastle Beach are key reasons to visit.

Plan the rest of your trip from Boise to Sydney

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.