Find flights
Airlines

$863+ Cheap flights to Idaho

— BOI
29 Oct — 5 Nov1
1 adult
1 adult, Economy, 0 bags

Flights to Idaho in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Idaho

Tue 10/1110:40 -
2 stops25h 37m
Tue 17/1113:11 -
2 stops25h 19m
Deal found 26/9$1,370
Tue 10/1114:05 -
1 stop25h 38m
Tue 17/1113:35 -
2 stops25h 25m
Deal found 26/9$1,385
Sat 24/1011:20 -
2 stops23h 23m
Sat 31/1017:44 -
2 stops46h 21m
Deal found 26/9$1,439
Sat 24/1010:10 -
2 stops23h 54m
Sat 31/1014:02 -
2 stops25h 58m
Deal found 26/9$1,518
Fri 6/1111:10 -
2 stops44h 13m
Tue 10/1114:41 -
1 stop22h 14m
Deal found 25/9$1,659
Fri 6/1111:20 -
2 stops29h 39m
Tue 10/1105:00 -
2 stops34h 35m
Deal found 24/9$1,930
Tue 10/1121:40 -
3 stops33h 36m
Tue 17/1113:53 -
2 stops35h 52m
Deal found 26/9$2,320

Find flights to Idaho

Explore Idaho
Look for other cheap flights to Boise
Look for other cheap flights to Spokane

Find flight deals to Idaho

Return from

$1,439

One-way from

$863
United Airlines
  • United Airlines
  • 24/10-31/10
  • 4 total stops
  • 69h 44m total
  • Sydney to Boise
Search Deals
Air Canada
  • Air Canada
  • 19/1-31/12
  • 2 total stops
  • 28h 15m total
  • Sydney to Idaho
Search Deals

Cheapflights 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

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Tue 19/1

11:20-21:35

2 stops28h 15m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-17:00

Nonstop0h 00m

$863

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

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

11:20-12:58

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

Fri 6/11

11:10-13:23

2 stops44h 13m

Boise Air Term. Gowen Fld

Tue 10/11

14:41-06:55

1 stop22h 14m

$1,659
Fastest return journey

SydneyIdaho Falls

SYD Sydney Kingsford Smith - IDA Idaho Falls Fanning Field

SYDIDA

Sydney Kingsford Smith

Wed 14/10

10:30-15:21

2 stops21h 51m

Idaho Falls Fanning Field

Wed 31/12

00:00-17:00

Nonstop0h 00m

$2,003

SydneyIdaho Falls

SYD Sydney Kingsford Smith - IDA Idaho Falls Fanning Field

SYDIDA

Sydney Kingsford Smith

Tue 10/11

21:40-13:16

3 stops33h 36m

Idaho Falls Fanning Field

Tue 17/11

13:53-19:45

2 stops35h 52m

$2,320

SydneyBoise

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

SYDBOI

Sydney Kingsford Smith

Fri 6/11

11:50-11:19

1 stop17h 29m

Boise Air Term. Gowen Fld

Tue 10/11

19:10-09:20

1 stop20h 10m

$2,873

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Sorted by cheapest first

Best time to book a flight to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Idaho

What are the most popular airlines that fly to Idaho?

The most popular airline flying from Sydney to Idaho is American Airlines.

United Airlines
United Airlines
From $917
American Airlines
American Airlines
From $990

What are the cheapest airlines that fly to Idaho?

The cheapest airline flying from Sydney to Idaho is American Airlines.

Rainfall in Idaho by month

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 mm per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular places to fly to in Idaho?

The most popular places in Idaho to fly to are Boise, Hailey and Idaho Falls.

Reviews of airlines servicing Idaho

See what other customers who have flown with American Airlines to the United States have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.0
Good
12,097 reviews
Check prices

Food

6.4

Boarding

7.4

Overall

7.0

Crew

7.9

Comfort

7.2

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Sherif,Aug 2026

YYZ - ORD

Terrible. Will not fly it again. Constant delays. Canceled flight because a pilot didn't show up the AA stated it was weather related. AA is also liars and didn't want to take responsibility or pay. Delayed luggage. Just horrible all the way around. Second time with this. Lost luggage on a previous flight. Back to Delta.
American Airlines
7.0
Good
12,097 reviews
American Airlines
7.0
Good
12,097 reviews
Check prices

Food

6.4

Boarding

7.4

Overall

7.0

Crew

7.9

Comfort

7.2

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Sherif,Aug 2026

YYZ - ORD

Terrible. Will not fly it again. Constant delays. Canceled flight because a pilot didn't show up the AA stated it was weather related. AA is also liars and didn't want to take responsibility or pay. Delayed luggage. Just horrible all the way around. Second time with this. Lost luggage on a previous flight. Back to Delta.

FAQs about flying to Idaho

  • Can I find cheaper flights to Idaho if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Idaho on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Idaho?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Idaho.

  • Where does the fastest flight to Idaho depart from?

    For those looking to save time traveling to Idaho, Brisbane offers the quickest one-way flight (22 hours 57 minutes).

  • Does Boise Air Term. Gowen Fld have car hire?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Boise Air Term. Gowen Fld?

    Yes. Boise Air Term. Gowen Fld has hotels nearby for those requiring accommodations. Layover Inn Boise Airport is the closest property to Boise Air Term. Gowen Fld (0.0 km away from Boise Air Term. Gowen Fld).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Find flights to Idaho

Flights to Boise

Fly with Cheapflights

How does Cheapflights help users find flights to Idaho?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Idaho. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Idaho?

Millions of users choose and trust Cheapflights to book the best flight deals to Idaho for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Idaho with no change fees?

Yes, we can. To see specific flights to Idaho with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to Idaho become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Idaho today and book when you’re ready!

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.