United Airlines flights to Idaho (USID) from $1,275

Flight Deals

Cheap United Airlines Flight Deals to Idaho

Here are some of the best deals found on KAYAK recently from United Airlines to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent return United Airlines flight deals from Australia to Idaho

Wed, 11 Mar - Sun, 15 Mar

10:40 - 11:47BNE-GEG

18h 07m1 stop

12:42 - 06:30GEG-BNE

24h 48m1 stop

$1,275United Airlines

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Tue, 13 Jan - Sun, 1 Feb

11:40 - 11:25BNE-BOI

16h 45m1 stop

19:05 - 07:30BOI-BNE

19h 25m1 stop

$1,275United Airlines

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Wed, 11 Mar - Sun, 15 Mar

10:40 - 11:44BNE-GEG

18h 04m1 stop

12:30 - 06:30GEG-BNE

25h 00m1 stop

$1,278United Airlines

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Tue, 13 Jan - Tue, 3 Feb

11:40 - 11:25BNE-BOI

16h 45m1 stop

19:05 - 07:30BOI-BNE

19h 25m1 stop

$1,278United Airlines

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Mon, 12 Jan - Tue, 3 Feb

09:05 - 19:51BNE-BOI

51h 46m2 stops

08:15 - 07:30BOI-BNE

30h 15m2 stops

$1,615United Airlines

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Mon, 12 Jan - Mon, 2 Feb

11:40 - 16:10BNE-BOI

21h 30m1 stop

14:37 - 07:30BOI-BNE

23h 53m2 stops

$1,734United Airlines

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Mon, 12 Jan - Fri, 6 Feb

11:40 - 23:48BNE-BOI

29h 08m1 stop

19:05 - 07:30BOI-BNE

19h 25m1 stop

$1,739United Airlines

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Sun, 11 Jan - Sat, 31 Jan

11:40 - 18:07BNE-BOI

47h 27m2 stops

14:37 - 07:30BOI-BNE

23h 53m2 stops

$1,809United Airlines

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Sun, 11 Jan - Sun, 1 Feb

11:40 - 21:23BNE-BOI

26h 43m1 stop

07:45 - 07:30BOI-BNE

30h 45m1 stop

$1,959United Airlines

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Sun, 11 Jan - Sun, 1 Feb

11:40 - 23:48BNE-BOI

29h 08m1 stop

14:20 - 07:30BOI-BNE

24h 10m1 stop

$1,964United Airlines

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Useful Info

Low season	October
High season	March
Cheapest flight	$1,275
Average price round-trip	$1,743

Best time to beat the crowds (3% less expensive on average)

Most popular time to fly and prices are also 1% lower on average.

Flight from Brisbane to Spokane

(price for this month)

KAYAK's insights & trends for flights to Idaho

Get data-powered insights and trends for flights to Idaho to help you find the cheapest flights, the best time to fly and much more.

Prices

Based on KAYAK data, the cheapest day to fly to Idaho is Friday when return tickets can be as cheap as $1,634. On the other hand, the most expensive day to fly is Sunday, when return prices are $2,877 on average.

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7.4

Good9,017 verified ratings

7.1Entertainment

7.3Comfort

6.6Food

7.7Boarding

8.1Crew

Pros +

Flight was quick and easy. (in 2447 reviews)

Cons -

Have the middle seats vacant. (in 137 reviews)
The space in economy plus. (in 296 reviews)

Show reviews that mention

10.0 Wonderful

Claire, Nov 2025

Seats in waiting area and on plane hard as rock. Fast internet on the flight was great! Crew was kind.

10.0 Wonderful

David, Nov 2025

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

10.0 Wonderful

Gheorghe, Nov 2025

Is my favorite Lufthansa?

8.0 Very Good

Semra, Nov 2025

Good trip. Good crew. Thank you!

8.0 Very Good

Semra, Nov 2025

Great crew, excellent landing, good food. Over all great experience. Thank you!

8.0 Very Good

Nathan, Nov 2025

Entertainment and wifi did not work

4.0 Mediocre

Alex, Nov 2025

Please figure out the delays

4.0 Mediocre

Thomas, Nov 2025

Older aircraft, no meal, only food was for purchase. Not impressed United.

4.0 Mediocre

Thomas, Nov 2025

United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.

10.0 Wonderful

Claire, Nov 2025

Always wish for more healthy, gluten free options. We have to bring our own.

Everything you need to know for your flight to Idaho

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Find cheap United Airlines flights to Idaho from $1,275

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Cheap United Airlines Flight Deals to Idaho

Recent return United Airlines flight deals from Australia to Idaho

Good to know

KAYAK's insights & trends for flights to Idaho

Get data-powered insights and trends for flights to Idaho to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Idaho?

Based on KAYAK data, the cheapest day to fly to Idaho is Friday when return tickets can be as cheap as $1,634. On the other hand, the most expensive day to fly is Sunday, when return prices are $2,877 on average.

How many airports are there in Idaho?

There are 3 airports in Idaho. The busiest airport is Boise Airport (BOI), with 71% of all flights arriving there.

How long is the flight to Idaho?

An average direct flight from Australia to Idaho takes 28h 38m, covering a distance of 20269 km. The shortest route is Brisbane (BNE) to Spokane (GEG) with an average flight time of 18h 12m.

What are the most popular destinations in Idaho?

Based on KAYAK flight searches, the most popular destination is Boise (69% of total searches to Idaho). The next most popular destination is Spokane (31%).

United Airlines customer reviews

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Everything you need to know for your flight to Idaho

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