Cheap Flights from Sydney to Boise

Compare Sydney to Boise flight deals

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

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Flight deals from Sydney to Boise

Looking for a cheap last-minute deal or the best return flight from Sydney to Boise? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Boise flights are currently cheapest in July.

Sydney to Boise: Alternative routes

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

Sydney to Boise: Flight information

The things to know before you go.
Cheapest flight foundR 12,209
Cheapest month to flyJuly

Finding cheap flights from Sydney to Boise: Frequently asked questions

The best price we found for a return flight from Sydney to Boise is R 20,572. 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 Sydney to Boise. But we found flights with one or more stops from R 20,572.
As of July 2025, there are no flights flying from Sydney to Boise.
The cheapest month to fly from Sydney to Boise is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Boise Airport on Tuesday, 8 July 2025.
No airlines currently offer direct flights between Sydney Airport and Boise 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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Boise.

Flying from Sydney (Kingsford Smith) Airport (SYD) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • To ensure you catch your SYD to BOI flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • You can expect bigger queues during popular months like April. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a wise move.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Worthwhile stopovers between SYD and BOI include:

    • San Francisco International Airport

    • Los Angeles International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Boise Air Terminal (Gowen Field) Airport (BOI)

  • The lowest price we've seen for a one-way Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport flight is R 12,209. A round-trip fare is currently R 20,572. Depending on the availability and when you book, these fares can change.

  • To pick up cheap tickets from SYD to BOI, book early. Airlines typically offer their most competitively priced fares when flights are first released.

  • Getting cheap flights from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport is easy if you're flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across each month and bag a great deal.

  • Landing cheap flights from SYD to BOI is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • 69.62% of flights departing from Sydney (Kingsford Smith) Airport arrive at their destination on schedule.

  • Sydney (Kingsford Smith) Airport is around 18 kilometres from central Sydney. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • The trip on public transport usually takes 25 minutes.

  • Have an early flight from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to SYD:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • You'll find BOI at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport to central Boise has a drive time of about 20 minutes. It's approximately 18 kilometres away.

  • It takes around 1 hour 35 minutes to get there by public transport.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • It's time to work out your travel dates for your flight from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport. July is the most popular month to head to Boise. If you prefer a more laid-back vibe, go in May.

  • Lock in your flight from Sydney (Kingsford Smith) Airport to Boise Air Terminal (Gowen Field) Airport for July if you'd like to visit Boise during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).

  • January sees average temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Search for cheap tickets from SYD to BOI sometime around then if you like travelling in cooler conditions.

Explore more of United States

  • You've visited Boise, now it's time to explore other corners of United States. Journey around 467 kilometres north to Spokane to check off its leading attractions. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, you've got a jam-packed schedule ahead.

  • Around 483 kilometres south-east of Boise, Salt Lake City is another favourite stop in United States. No visit is complete without checking out Temple Square, Utah State Capitol and Red Butte Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.