$231+ Cheap flights from Boise

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/4. 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.
BOI — SYD
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Find flights from Boise within your budget

 
Find flights departing from Boise that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 1 April 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 28/4

16:38-00:24

1 stop6h 46m

Austin Bergstrom

Wed 29/4

17:49-23:59

1 stop7h 10m

$461

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 28/4

06:15-13:08

1 stop5h 53m

Austin Bergstrom

Tue 5/5

08:45-16:46

1 stop9h 01m

$461

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sun 26/4

16:10-00:10

1 stop7h 00m

Austin Bergstrom

Sat 2/5

09:40-16:15

1 stop7h 35m

$502

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 22/4

05:40-13:25

1 stop6h 45m

Austin Bergstrom

Thu 23/4

06:00-13:12

1 stop8h 12m

$502

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 4/5

15:44-23:48

1 stop7h 04m

Austin Bergstrom

Mon 11/5

06:00-14:43

1 stop9h 43m

$543

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 24/4

16:20-00:10

1 stop6h 50m

Austin Bergstrom

Fri 1/5

17:40-01:00

2 stops8h 20m

$550
Fastest return journey

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/7

14:05-23:25

1 stop8h 20m

Austin Bergstrom

Tue 7/7

20:10-00:30

1 stop5h 20m

$592

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 1/8

18:51-07:05

1 stop20h 14m

Sydney Kingsford Smith

Sat 15/8

09:10-22:45

1 stop29h 35m

$1,863

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 11/5

14:33-07:00

2 stops24h 27m

Sydney Kingsford Smith

Mon 18/5

10:20-15:26

1 stop21h 06m

$1,912

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 12/5

13:41-06:55

1 stop25h 14m

Sydney Kingsford Smith

Tue 19/5

09:10-20:18

2 stops27h 08m

$1,931

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Boise

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Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boise

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Related info for your journey

Access useful and relevant information related to your journey from Boise. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 1 April 2026.

  • What are the most popular destinations to fly to from Boise?

    For the current month, the most popular flights from Boise are Denver, Dallas/Fort Worth Airport, Austin. Denver, Dallas/Fort Worth Airport, Honolulu are the most popular locations from Boise year round.

  • How does Cheapflights help users find flights from Boise?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Boise today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Boise?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boise for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Boise with no change fees?

    Certainly. Search results for flights from Boise shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Boise become cheaper?

    Yes, Cheapflights offers price alerts on flights from Boise so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boise?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Boise today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boise?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boise for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Boise with no change fees?

Certainly. Search results for flights from Boise shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boise become cheaper?

Yes, Cheapflights offers price alerts on flights from Boise so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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