$182+ 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 12/12. 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
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Boise

Discover essential information about flights departing from Boise, including flight schedules, destinations, airlines operating at the Boise airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 10 November 2025.

Good one-way deal

$134 or less
Price to beat on a one-way flight from Boise Air Term. Gowen Fld.
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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 10 November 2025.

Sat 13/1213:54BOI - AUS
1 stop8h 57mDelta
Mon 19/105:00AUS - BOI
1 stop6h 24mDelta
Deal found 10/11$439
Mon 8/1214:49BOI - AUS
1 stop5h 03mUnited Airlines
Wed 10/1209:49AUS - BOI
1 stop7h 14mUnited Airlines
Deal found 10/11$443
Mon 9/306:28BOI - AUS
1 stop7h 07mHawaiian Airlines
Tue 10/307:15AUS - BOI
1 stop8h 53mHawaiian Airlines
Deal found 9/11$446
Fri 12/1205:20BOI - AUS
1 stop7h 12mDelta
Mon 15/1205:00AUS - BOI
2 stops9h 14mDelta
Deal found 10/11$448
Mon 8/1217:59BOI - AUS
2 stops21h 46mAlaska Airlines
Wed 10/1207:15AUS - BOI
1 stop10h 01mAlaska Airlines
Deal found 9/11$462
Mon 8/1206:03BOI - AUS
2 stops9h 42mAlaska Airlines
Mon 8/1217:46AUS - BOI
1 stop7h 09mAlaska Airlines
Deal found 9/11$517
Tue 24/305:00BOI - AUS
1 stop5h 15mUnited Airlines
Tue 31/314:14AUS - BOI
2 stops8h 49mUnited Airlines
Deal found 10/11$548
Sat 7/306:28BOI - GRK
2 stops10h 41mAlaska Airlines
Wed 11/306:32GRK - BOI
1 stop6h 58mAlaska Airlines
Deal found 9/11$765
Thu 2/419:00BOI - SYD
1 stop20h 05mAlaska Airlines
Mon 27/409:10SYD - BOI
1 stop18h 58mAlaska Airlines
Deal found 9/11$1,808
Wed 6/519:00BOI - SYD
1 stop20h 05mAlaska Airlines
Sun 10/509:10SYD - BOI
1 stop18h 58mAlaska Airlines
Deal found 9/11$1,820
Thu 2/419:00BOI - SYD
1 stop20h 05mAlaska Airlines
Thu 30/409:10SYD - BOI
1 stop29h 57mAlaska Airlines
Deal found 9/11$1,822
Mon 2/219:05BOI - ADL
1 stop20h 55mUnited Airlines
Sat 21/214:55ADL - BOI
1 stop26h 13mUnited Airlines
Deal found 10/11$1,864

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 10 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/12

14:49-20:52

1 stop5h 03m

Austin Bergstrom

Wed 10/12

09:49-16:03

1 stop7h 14m

$443

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 9/3

06:28-14:35

1 stop7h 07m

Austin Bergstrom

Tue 10/3

16:30-23:30

1 stop8h 00m

$446

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/12

06:03-15:20

1 stop8h 17m

Austin Bergstrom

Mon 8/12

19:26-10:34

1 stop16h 08m

$446

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 15/1

07:30-16:00

1 stop7h 30m

Austin Bergstrom

Tue 20/1

07:35-18:28

2 stops11h 53m

$448

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 12/12

11:44-00:43

2 stops11h 59m

Austin Bergstrom

Mon 15/12

12:06-18:51

1 stop7h 45m

$448

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sun 7/12

11:44-00:03

2 stops11h 19m

Austin Bergstrom

Sun 14/12

05:00-13:14

2 stops9h 14m

$459

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/12

17:59-16:45

2 stops21h 46m

Austin Bergstrom

Wed 10/12

08:30-23:50

2 stops16h 20m

$485

BoiseKilleen

BOI - GRK

BOIGRK

Boise Air Term. Gowen Fld

Sat 7/3

06:28-18:09

2 stops10h 41m

Killeen Fort Hood Regional

Wed 11/3

06:32-12:30

1 stop6h 58m

$765

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Fri 3/4

19:00-08:05

1 stop20h 05m

Sydney Kingsford Smith

Wed 29/4

09:10-12:08

1 stop18h 58m

$1,808

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 6/4

19:00-07:05

1 stop20h 05m

Sydney Kingsford Smith

Tue 28/4

09:10-12:08

1 stop18h 58m

$1,808

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 30 results
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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.

What is the cheapest month to book a flight from Boise?

Currently, September is the cheapest month in which you can book a flight from Boise (average of $1,363). Flying from Boise in July will prove the most costly (average of $2,241). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Boise?

Boise offers frequent flights to Seattle (322 flights per day), Los Angeles (172 flights per day) and Chicago (104 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $134

What is the cheapest place to fly to from Boise?

The cheapest city to fly to from Boise is Seattle/Tacoma Intl, with prices starting at $134. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $134

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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 10 November 2025.

  • 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, Cancún. Denver, Honolulu, Dallas/Fort Worth Airport are the most popular locations from Boise year round.

  • What is the cheapest flight from Boise to anywhere?

    Users have flown out of Boise for as low as $134 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for $180 to fly from Boise.

  • What is the cheapest month to fly from Boise?

    Currently, the cheapest month for flights from Boise is September. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • 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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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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