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$863 Cheap flights to Idaho

1 adult
1 adult, Economy, 0 bags

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Recent flights found to popular cities in Idaho

Find flights to these popular cities in Idaho from your nearest airport.

Flights to Boise

Search all flight deals to Boise
Delta
9 Nov
MEL
23h 55m
2 stops
BOI
16 Nov
BOI
25h 47m
2 stops
MEL
$1,370
United Airlines
24 Oct
SYD
23h 23m
2 stops
BOI
31 Oct
BOI
46h 21m
2 stops
SYD
$1,439
United Airlines
24 Oct
SYD
27h 19m
1 stop
BOI
31 Oct
BOI
21h 10m
1 stop
SYD
$1,506
American Airlines
24 Oct
SYD
23h 54m
2 stops
BOI
31 Oct
BOI
25h 58m
2 stops
SYD
$1,518
American Airlines
6 Nov
SYD
44h 13m
2 stops
BOI
10 Nov
BOI
22h 14m
1 stop
SYD
$1,659
American Airlines
6 Nov
SYD
44h 13m
2 stops
BOI
10 Nov
BOI
22h 14m
1 stop
SYD
$1,661
American Airlines
24 Oct
SYD
26h 46m
1 stop
BOI
31 Oct
BOI
25h 19m
2 stops
SYD
$1,739
Multiple Airlines
10 Nov
BNE
22h 57m
2 stops
BOI
17 Nov
BOI
24h 54m
2 stops
BNE
$1,826
American Airlines
6 Nov
SYD
41h 46m
1 stop
BOI
10 Nov
BOI
45h 44m
2 stops
SYD
$1,866
American Airlines
6 Nov
SYD
41h 46m
1 stop
BOI
10 Nov
BOI
45h 44m
2 stops
SYD
$1,877
Multiple Airlines
10 Nov
BNE
22h 20m
1 stop
BOI
17 Nov
BOI
23h 45m
2 stops
BNE
$1,914
Air Canada
6 Nov
SYD
29h 39m
2 stops
BOI
10 Nov
BOI
34h 35m
2 stops
SYD
$1,930

Flights to Idaho Falls

Search all flight deals to Idaho Falls
Delta
10 Nov
SYD
25h 37m
2 stops
IDA
17 Nov
IDA
25h 19m
2 stops
SYD
$1,370
American Airlines
10 Nov
SYD
25h 38m
1 stop
IDA
17 Nov
IDA
25h 25m
2 stops
SYD
$1,385
American Airlines
10 Nov
SYD
25h 38m
1 stop
IDA
17 Nov
IDA
23h 20m
1 stop
SYD
$1,386
Multiple Airlines
10 Nov
SYD
33h 36m
3 stops
IDA
17 Nov
IDA
35h 52m
2 stops
SYD
$2,320

Find the cheapest flights from Australia to Idaho

Recent return flight deals from Australia to Idaho

Enter your travel dates to find the best prices.
Delta Logo
10:40 - 18:17SYD  Sydney Kingsford Smith-IDA Idaho Falls Fanning Field
25h 37m2 stops Los Angeles Salt Lake City
Delta Logo
13:11 - 08:30IDA  Idaho Falls Fanning Field-SYD Sydney Kingsford Smith
25h 19m2 stops Salt Lake City Los Angeles
$1,370Delta
Tue, 10 Nov - Tue, 17 Nov
Delta Logo
10:10 - 14:58MEL  Melbourne-BOI Boise Air Term. Gowen Fld
22h 48m1 stop Los Angeles
Delta Logo
16:45 - 08:00BOI  Boise Air Term. Gowen Fld-MEL Melbourne
21h 15m1 stop Los Angeles
$1,370Delta
Mon, 9 Nov - Mon, 16 Nov
Delta Logo
10:10 - 22:52MEL  Melbourne-BOI Boise Air Term. Gowen Fld
30h 42m1 stop Los Angeles
Delta Logo
08:49 - 08:00BOI  Boise Air Term. Gowen Fld-MEL Melbourne
29h 11m2 stops Salt Lake City Los Angeles
$1,370Delta
Mon, 9 Nov - Mon, 16 Nov
Delta Logo
10:10 - 16:05MEL  Melbourne-BOI Boise Air Term. Gowen Fld
23h 55m2 stops Los Angeles Seattle/Tacoma Intl
Delta Logo
12:13 - 08:00BOI  Boise Air Term. Gowen Fld-MEL Melbourne
25h 47m2 stops Seattle/Tacoma Intl Los Angeles
$1,370Delta
Mon, 9 Nov - Mon, 16 Nov
American Airlines Logo
14:05 - 21:43SYD  Sydney Kingsford Smith-IDA Idaho Falls Fanning Field
25h 38m1 stop Dallas/Fort Worth
American Airlines Logo
13:35 - 09:00IDA  Idaho Falls Fanning Field-SYD Sydney Kingsford Smith
25h 25m2 stops Dallas/Fort Worth Los Angeles
$1,385American Airlines
Tue, 10 Nov - Tue, 17 Nov
American Airlines Logo
14:05 - 21:43SYD  Sydney Kingsford Smith-IDA Idaho Falls Fanning Field
25h 38m1 stop Dallas/Fort Worth
American Airlines Logo
13:35 - 06:55IDA  Idaho Falls Fanning Field-SYD Sydney Kingsford Smith
23h 20m1 stop Dallas/Fort Worth
$1,386American Airlines
Tue, 10 Nov - Tue, 17 Nov
United Airlines Logo
11:20 - 17:43SYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
23h 23m2 stops San Francisco Denver Intl
United Airlines Logo
17:44 - 09:05BOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
46h 21m2 stops Denver Intl Los Angeles
$1,439United Airlines
Sat, 24 Oct - Sat, 31 Oct
United Airlines Logo
11:20 - 12:58SYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
18h 38m1 stop San Francisco
United Airlines Logo
17:44 - 09:05BOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
46h 21m2 stops Denver Intl Los Angeles
$1,439United Airlines
Sat, 24 Oct - Sat, 31 Oct
United Airlines Logo
11:20 - 21:39SYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
27h 19m1 stop San Francisco
United Airlines Logo
19:10 - 09:20BOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
21h 10m1 stop San Francisco
$1,506United Airlines
Sat, 24 Oct - Sat, 31 Oct
American Airlines Logo
10:10 - 17:04SYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
23h 54m2 stops Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
14:02 - 09:00BOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
25h 58m2 stops Phoenix Sky Harbor Intl Los Angeles
$1,518American Airlines
Sat, 24 Oct - Sat, 31 Oct

momondo Fare Finder

 
Use the filters below to find and compare flights to Idaho that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyIdaho Falls

SYD Sydney Kingsford Smith - IDA Idaho Falls Fanning Field

SYDIDA

Sydney Kingsford Smith

Tue 10/11

10:40-18:17

2 stops25h 37m

Idaho Falls Fanning Field

Tue 17/11

13:11-08:30

2 stops25h 19m

$1,370
Fastest return journey

MelbourneBoise

MEL Melbourne - BOI Boise Air Term. Gowen Fld

MELBOI

Melbourne

Mon 9/11

10:10-14:58

1 stop22h 48m

Boise Air Term. Gowen Fld

Mon 16/11

16:45-08:00

1 stop21h 15m

$1,370

MelbourneBoise

MEL Melbourne - BOI Boise Air Term. Gowen Fld

MELBOI

Melbourne

Mon 9/11

10:10-22:52

1 stop30h 42m

Boise Air Term. Gowen Fld

Mon 16/11

08:49-08:00

2 stops29h 11m

$1,370

MelbourneBoise

MEL Melbourne - BOI Boise Air Term. Gowen Fld

MELBOI

Melbourne

Mon 9/11

10:10-16:05

2 stops23h 55m

Boise Air Term. Gowen Fld

Mon 16/11

12:13-08:00

2 stops25h 47m

$1,370

SydneyIdaho Falls

SYD Sydney Kingsford Smith - IDA Idaho Falls Fanning Field

SYDIDA

Sydney Kingsford Smith

Tue 10/11

14:05-21:43

1 stop25h 38m

Idaho Falls Fanning Field

Tue 17/11

13:35-09:00

2 stops25h 25m

$1,385

SydneyIdaho Falls

SYD Sydney Kingsford Smith - IDA Idaho Falls Fanning Field

SYDIDA

Sydney Kingsford Smith

Tue 10/11

14:05-21:43

1 stop25h 38m

Idaho Falls Fanning Field

Tue 17/11

13:35-06:55

1 stop23h 20m

$1,386

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Sat 24/10

11:20-17:43

2 stops23h 23m

Boise Air Term. Gowen Fld

Sat 31/10

17:44-09:05

2 stops46h 21m

$1,439

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Sat 24/10

11:20-12:58

1 stop18h 38m

Boise Air Term. Gowen Fld

Sat 31/10

17:44-09:05

2 stops46h 21m

$1,439

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Sat 24/10

11:20-21:39

1 stop27h 19m

Boise Air Term. Gowen Fld

Sat 31/10

19:10-09:20

1 stop21h 10m

$1,506

SydneyBoise

SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld

SYDBOI

Sydney Kingsford Smith

Sat 24/10

10:10-17:04

2 stops23h 54m

Boise Air Term. Gowen Fld

Sat 31/10

14:02-09:00

2 stops25h 58m

$1,518

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheapest flights to cities in Idaho

Click on the cities below to find out when it's cheapest to fly to Idaho from Australia
Boise
Boise

Cheap Idaho flight deals and tips

Summary info about Idaho flight prices, duration and airlines

Best One-Way Price

$863

Best Round-Trip Price

$1,370

Fastest flight time

21h 51m
The best one-way flight price to Idaho from Australia in the last 5 days is $863 (Sydney Kingsford Smith to Boise Air Term. Gowen Fld).
Search Deals
The best return flight price to Idaho from Australia in the last 5 days is $1,370 (Sydney Kingsford Smith to Idaho Falls Fanning Field).
Search Deals
The fastest flight to Idaho from Australia takes 21h 51m (Sydney Kingsford Smith to Idaho Falls Fanning Field).
Search Deals

Frequently asked questions about flying to Idaho

What is the best airport to fly into to visit Boise?

98% of momondo users visit Boise more often than any other city in Idaho. When travelling to Boise, typically the most convenient airport to fly into is Boise Airport.

What is the weather like in Idaho?

Idaho typically has a temperature range from -1 °C(December) to 24 °C(July). Those looking to avoid rain and/or snow while visiting Idaho should plan their trip in August, July, or September, as these months are relatively less likely to have precipitation.

When did momondo last update prices for flights to Idaho?

Prices for flights to Idaho refresh daily.

How many operators does momondo search for flights to Idaho?

The number of operators available for flights to Idaho is 2 as of September 2026.

How old do you have to be to fly to Idaho?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Idaho?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Idaho?

Once all potential Idaho flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho and alert you when they change.

An easier way to manage your Idaho trip

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Find better results for your trip to Idaho

Popular Flights to Idaho

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