Cheap Flights to Southwest Idaho

View NZ$1,930 flight on Sat, 20 Dec. 2025Opens in a new window

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Cheap Tickets to Southwest Idaho

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 20 Dec. - Sat, 10 Jan.
SYD
Sydney
BOI
Boise
NZ$3,070 Return, found 1 day ago
NZ$3,070
Return
found 1 day ago
Select United flight, departing Sat, 20 Dec. from Sydney to Boise, returning Sat, 10 Jan., priced at NZ$3,070 found 1 day ago
Delta
Sat, 20 Dec. - Sat, 10 Jan.
SYD
Sydney
BOI
Boise
NZ$3,341 Return, found 1 day ago
NZ$3,341
Return
found 1 day ago
Select Delta flight, departing Sat, 20 Dec. from Sydney to Boise, returning Sat, 10 Jan., priced at NZ$3,341 found 1 day ago
Asiana Airlines
Sat, 20 Dec. - Sat, 10 Jan.
SYD
Sydney
BOI
Boise
NZ$4,029 Return, found 1 day ago
NZ$4,029
Return
found 1 day ago
Select Asiana Airlines flight, departing Sat, 20 Dec. from Sydney to Boise, returning Sat, 10 Jan., priced at NZ$4,029 found 1 day ago
Air New Zealand
Sat, 20 Dec. - Sat, 10 Jan.
SYD
Sydney
BOI
Boise
NZ$4,087 Return, found 1 day ago
NZ$4,087
Return
found 1 day ago
Select Air New Zealand flight, departing Sat, 20 Dec. from Sydney to Boise, returning Sat, 10 Jan., priced at NZ$4,087 found 1 day ago
American Airlines
Sat, 20 Dec. - Sat, 10 Jan.
SYD
Sydney
BOI
Boise
NZ$4,170 Return, found 1 day ago
NZ$4,170
Return
found 1 day ago
Select American Airlines flight, departing Sat, 20 Dec. from Sydney to Boise, returning Sat, 10 Jan., priced at NZ$4,170 found 1 day ago

Southwest Idaho Flights

The Southwest Idaho experience you’ve always wanted

Catching a flight to Southwest Idaho is easier than it’s ever been when you use Expedia to plan your escape. A great holiday starts with great selection, and we have an amazing amount of Southwest Idaho flight deals. A quick search on Expedia.co.nz will show you cheap tickets to Southwest Idaho in mere moments, from overnight flights to weekend getaways. Trying to earn frequent flyer points? We even make it easy for you to stay loyal to your preferred airline.

Been a while since you’ve travelled?

If you haven’t flown recently, you might like some insider information. In fact, even seasoned travellers should check out our blog. Featuring hundreds of articles written by our very own experts, our blog keeps you informed about all the fantastic attractions and things to do in the world’s most popular destinations, so you know just what to pack. Get ready for great advice on trip preparation and seeing the sights—then get ready to fly!

Bundle your room and flight to travel for less

Package your flights with your hotel booking in Southwest Idaho, and your trip will become even cheaper. By making all of your reservations with us, you’ll save money and time, plus have the peace of mind that comes with booking all of your arrangements in one place. It may seem like magic, but it’s just the Expedia.co.nz way.

A holiday at the tips of your fingers

Take the high-tech road when you use our Expedia app to plan your holiday to Southwest Idaho. Our handy app allows you to reserve flights and hotels at any time of day, on any type of phone, because it’s available on both Android and iOS. You’ll also benefit from exclusive deals, have a chance to earn extra points, and can keep your itinerary at your fingertips. No matter where you are, count on our app to help you get where you’re going.

Register for Frequent Flyer Rewards

If you enjoy being pampered every once in a while, register with our Expedia Rewards program to get exclusive offers and discounts you won’t find anywhere else. Expedia Rewards grants you member-only benefits, plus price guarantees on your room rates. We can even help you rack up frequent flyer points more quickly. Plus, by signing up, you can book our Unreal Deals, which, when bundled with your room, could save you the cost of a whole plane ticket.

Start planning and start packing

Expedia.co.nz makes it easy to find cheap flights to Southwest Idaho NZ$3,070. With such amazing deals, why wait any longer to book your trip? Start searching today, and we’ll see you soon in Southwest Idaho.

Frequently asked questions

How do I find cheap flights to Southwest Idaho that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Step 1: Type in your preferred dates and destination and click on the "Search" button. Step 2: Check "No change fee" below the "Flexible change policies" filter on the top left of your screen. Step 3. Bag a flexible and cheap fare to Southwest Idaho.
Which airlines fly to Southwest Idaho?
You can choose from various airlines that offer flights into or near Southwest Idaho. Here are some of the best of them:

  • Alaska Airlines - 785 flights to or near Southwest Idaho each month, including 754 flights to Boise Airport (BOI) and 30 flights to Friedman Memorial Airport (SUN) per month.
  • Delta Air Lines - 550 flights to or near Southwest Idaho each month, including 489 flights to Boise Airport (BOI) and 60 flights to Friedman Memorial Airport (SUN) per month.
  • United Airlines - 347 flights to or near Southwest Idaho each month, including 303 flights to Boise Airport (BOI) and 43 flights to Friedman Memorial Airport (SUN) per month.

How can I find cheap tickets to Southwest Idaho?
One of the easiest ways to find cheap tickets to Southwest Idaho is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It will reveal the cheapest prices for nearby days. The lowest price for a flight to Southwest Idaho in the last seven days was NZ$3,070. Booking well ahead of time will generally help you get an even bigger bargain.
How much is a flight to Southwest Idaho?
The price of a round-trip airfare to Southwest Idaho in the last seven days ranged between NZ$3,070 and NZ$4,170. If you were heading one way from Sydney (SYD), you could have landed a low-cost fare from just NZ$1,930.
What are the most popular airports to fly into in Southwest Idaho?
Pack your suitcase and cruise into one of these busy Southwest Idaho airports:

  • Boise Airport (BOI) - 1 994 flights per month.
  • Friedman Memorial Airport (SUN) - 134 flights per month.

When is the cheapest time to fly to Southwest Idaho?
Take off to Southwest Idaho earlier in the week and you'll usually be rewarded with cheaper fares. Tuesday is generally the cheapest day to hop on a plane, followed by Monday. If you'd like to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Southwest Idaho?
In the last seven days, tickets ranged between NZ$3,070 and NZ$4,170. Scroll through our great deals to Southwest Idaho, pick your favourite and get ready for your next fun holiday!
What months are the cheapest to book a flight to Southwest Idaho?
To bag cheap flights to Southwest Idaho, book sometime in February when the price of fares are at their lowest. The most expensive time to book? In the U.S, it's the month of December.
Flights to Southwest Idaho information
Destination airport
Boise
Destination airport IATA code
BOI
Destination city name
Boise
Return price
NZ$3,069
*Available to Expedia members.