$147+ Cheap flights from Boise

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. 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
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from Boise

Enter your travel dates to find the best prices.

Cheapest flights from Boise
Explore the most affordable flight options available from Boise. Find the lowest fares based on data from user searches, with prices last updated on 1 March 2026.

Tue 28/406:00
BOI
-
AUS
1 stop7h 39m
Alaska Airlines
Tue 28/415:39
AUS
-
BOI
1 stop9h 20m
Alaska Airlines
Deal found 26/2$291
Tue 28/406:15
BOI
-
AUS
1 stop5h 53m
United Airlines
Tue 5/508:45
AUS
-
BOI
1 stop7h 41m
United Airlines
Deal found 26/2$299
Fri 1/515:44
BOI
-
AUS
1 stop7h 04m
Delta
Sat 9/506:00
AUS
-
BOI
1 stop9h 43m
Delta
Deal found 25/2$319
Sat 28/313:45
BOI
-
AUS
1 stop9h 08m
Delta
Tue 31/313:10
AUS
-
BOI
2 stops9h 54m
Delta
Deal found 25/2$326
Tue 28/405:00
BOI
-
AUS
1 stop5h 25m
United Airlines
Mon 4/515:40
AUS
-
BOI
1 stop8h 10m
United Airlines
Deal found 26/2$343
Tue 28/414:57
BOI
-
AUS
1 stop22h 42m
Alaska Airlines
Mon 4/506:00
AUS
-
BOI
1 stop13h 34m
Alaska Airlines
Deal found 27/2$344
Mon 4/506:00
BOI
-
AUS
1 stop17h 24m
Alaska Airlines
Mon 11/506:00
AUS
-
BOI
1 stop18h 59m
Alaska Airlines
Deal found 25/2$347
Sat 28/316:15
BOI
-
AUS
1 stop21h 17m
Alaska Airlines
Sat 4/408:35
AUS
-
BOI
1 stop16h 21m
Alaska Airlines
Deal found 28/2$357
Fri 1/518:08
BOI
-
AUS
1 stop19h 31m
Alaska Airlines
Mon 4/506:00
AUS
-
BOI
1 stop18h 02m
Alaska Airlines
Deal found 26/2$360
Thu 19/313:39
BOI
-
GRK
1 stop7h 24m
Alaska Airlines
Tue 24/312:01
GRK
-
BOI
2 stops11h 56m
Alaska Airlines
Deal found 28/2$1,180
Thu 19/313:39
BOI
-
GRK
1 stop7h 24m
Alaska Airlines
Mon 23/315:59
GRK
-
BOI
1 stop7h 24m
Alaska Airlines
Deal found 28/2$1,219
Fri 27/313:39
BOI
-
GRK
1 stop7h 24m
Alaska Airlines
Mon 30/315:59
GRK
-
BOI
1 stop7h 24m
Alaska Airlines
Deal found 28/2$1,346

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 March 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 28/4

05:00-11:25

1 stop5h 25m

Austin Bergstrom

Mon 4/5

15:40-22:50

1 stop8h 10m

$343

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 28/3

16:15-14:32

1 stop21h 17m

Austin Bergstrom

Sat 4/4

08:35-23:56

1 stop16h 21m

$357

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 13/4

15:44-23:48

1 stop7h 04m

Austin Bergstrom

Mon 20/4

08:15-20:00

2 stops12h 45m

$364

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 28/4

07:05-15:45

2 stops7h 40m

Austin Bergstrom

Tue 28/4

17:20-00:25

2 stops8h 05m

$398

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 1/5

10:41-21:15

2 stops9h 34m

Austin Bergstrom

Sat 9/5

14:05-22:13

2 stops9h 08m

$473

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 8/4

06:40-16:20

2 stops8h 40m

Austin Bergstrom

Fri 10/4

20:25-01:00

1 stop5h 35m

$475

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 1/5

06:00-16:49

2 stops9h 49m

Austin Bergstrom

Mon 4/5

06:00-13:52

1 stop8h 52m

$504

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 26/3

18:55-00:55

1 stop5h 00m

Austin Bergstrom

Thu 2/4

10:00-18:20

2 stops9h 20m

$507

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 27/6

14:40-23:44

1 stop8h 04m

Austin Bergstrom

Tue 30/6

05:39-09:53

1 stop5h 14m

$530

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 27/6

06:00-11:49

1 stop4h 49m

Austin Bergstrom

Tue 30/6

06:30-14:03

1 stop8h 33m

$530

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Boise

Have a flexible travel schedule? Discover the best time to fly from Boise with our price prediction graph.
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

Get recent, data-driven insights about flights from Boise including ideal travel times, pricing trends, and more.
No data available for this route at this time. Please check back soon.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 2026.

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

    For the current month, the most popular flights from Boise are Dallas/Fort Worth Airport, Denver, Spokane. 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.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.