Cheap Flights to Idaho

View AU$893 flight on Fri, 24 Apr 2026Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest Flights to Idaho

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 27 May - Sun, 14 June
MEL
Melbourne
GEG
Spokane
AU$1,485 Return, found 3 days ago
AU$1,485
Return
found 3 days ago
Select United flight, departing Wed, 27 May from Melbourne to Spokane, returning Sun, 14 June, priced at AU$1,485 found 3 days ago
United
Sun, 24 May - Fri, 21 Aug
MEL
Melbourne
BOI
Boise
AU$1,486 Return, found 1 day ago
AU$1,486
Return
found 1 day ago
Select United flight, departing Sun, 24 May from Melbourne to Boise, returning Fri, 21 Aug, priced at AU$1,486 found 1 day ago
Delta
Wed, 27 May - Wed, 10 June
MEL
Melbourne
MSO
Missoula
AU$1,496 Return, found 4 days ago
AU$1,496
Return
found 4 days ago
Select Delta flight, departing Wed, 27 May from Melbourne to Missoula, returning Wed, 10 June, priced at AU$1,496 found 4 days ago
Delta
Fri, 22 May - Fri, 29 May
MEL
Melbourne
BOI
Boise
AU$1,496 Return, found 2 days ago
AU$1,496
Return
found 2 days ago
Select Delta flight, departing Fri, 22 May from Melbourne to Boise, returning Fri, 29 May, priced at AU$1,496 found 2 days ago
Delta
Wed, 20 May - Tue, 26 May
MEL
Melbourne
JAC
Jackson
AU$1,497 Return, found 5 hours ago
AU$1,497
Return
found 5 hours ago
Select Delta flight, departing Wed, 20 May from Melbourne to Jackson, returning Tue, 26 May, priced at AU$1,497 found 5 hours ago
American Airlines
Wed, 20 May - Thu, 28 May
MEL
Melbourne
BOI
Boise
AU$1,600 Return, found 2 days ago
AU$1,600
Return
found 2 days ago
Select American Airlines flight, departing Wed, 20 May from Melbourne to Boise, returning Thu, 28 May, priced at AU$1,600 found 2 days ago
Qantas Airways
Wed, 14 Oct - Wed, 4 Nov
MEL
Melbourne
GEG
Spokane
AU$1,698 Return, found 1 day ago
AU$1,698
Return
found 1 day ago
Select Qantas Airways flight, departing Wed, 14 Oct from Melbourne to Spokane, returning Wed, 4 Nov, priced at AU$1,698 found 1 day ago
Jetstar
Thu, 23 Apr - Sun, 10 May
AVV
Melbourne
BOI
Boise
AU$1,767 Return, found 1 day ago
AU$1,767
Return
found 1 day ago
Select Jetstar flight, departing Thu, 23 Apr from Melbourne to Boise, returning Sun, 10 May, priced at AU$1,767 found 1 day ago
EVA Airways
Thu, 15 Oct - Thu, 5 Nov
BNE
Brisbane
MSO
Missoula
AU$1,803 Return, found 5 days ago
AU$1,803
Return
found 5 days ago
Select EVA Airways flight, departing Thu, 15 Oct from Brisbane to Missoula, returning Thu, 5 Nov, priced at AU$1,803 found 5 days ago
Delta
Sun, 19 July - Thu, 30 July
MEL
Melbourne
IDA
Idaho Falls
AU$1,807 Return, found 1 day ago
AU$1,807
Return
found 1 day ago
Select Delta flight, departing Sun, 19 July from Melbourne to Idaho Falls, returning Thu, 30 July, priced at AU$1,807 found 1 day ago

Trending flights to Idaho

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 27 May - Sun, 14 June
MEL
Melbourne
GEG
Spokane
AU$1,485 Return, found 3 days ago
AU$1,485
Return
found 3 days ago
Select United flight, departing Wed, 27 May from Melbourne to Spokane, returning Sun, 14 June, priced at AU$1,485 found 3 days ago

Frequently asked questions

How do I find cheap flights to Idaho that have flexible change policies?
By using our smart "No change fee" filter, that's how. Simply type in your origin, destination and dates, click "Search," then tick the checkbox directly under the "Flexible change policies" heading (it's on the left of your screen). Expedia makes it simple to find flexible, low-cost fares to Idaho.
Which airlines fly to Idaho?
Wherever you want to wander in Idaho and whenever you're hoping to depart, you'll find your perfect flight with one of these top airlines:

  • Alaska Airlines - 815 flights to or near Idaho each month, including 754 flights to Boise Airport (BOI) and 30 flights to Friedman Memorial Airport (SUN) per month.
  • Delta Air Lines - 637 flights to or near Idaho each month, including 489 flights to Boise Airport (BOI) and 86 flights to Idaho Falls Regional Airport (IDA) per month.
  • United Airlines - 438 flights to or near Idaho each month, including 303 flights to Boise Airport (BOI) and 91 flights to Idaho Falls Regional Airport (IDA) per month.

How can I find cheap tickets to Idaho?
One of the best ways to find cheap tickets to Idaho is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It'll bring up the cheapest prices for nearby days. The best price for a flight to Idaho in the last seven days was AU$1,485. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Melbourne (MEL) sold for as little as AU$893 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between AU$1,485 and AU$1,807. If you find a deal, book quickly — these prices don't hang about.
What are the most popular airports to fly into in Idaho?
Touch down at any one of these main airports in Idaho and you'll be in the perfect position to experience all that this renowned region has to offer:

  • Boise Airport (BOI) - 1 994 flights per month.
  • Idaho Falls Regional Airport (IDA) - 334 flights per month.
  • Friedman Memorial Airport (SUN) - 134 flights per month.

When is the cheapest time to fly to Idaho?
Depart for Idaho earlier in the week and you'll usually be rewarded with lower fares. Tuesday is generally the cheapest day to jet off, followed closely by Monday. If you're eager to avoid the most expensive flights, keep clear of Saturdays.
How much is a plane ticket to Idaho?
In the last seven days, plane fares to Idaho fluctuated between AU$1,485 and AU$1,807. Prices tend to go up over time, so book a top deal today.
What is the best time to go to Idaho?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are a terrific time to tour the thrilling Idaho city of Boise. Average temperatures vary between 16ºC and 27ºC throughout this season. The largest crowds are found here in May, July and August.
What months are the cheapest to book a flight to Idaho?
The most cost-effective month to land a flight to Idaho is February, while prices are at a premium in December. Steer clear of this month if you're on a budget.

Book with confidence

Idaho Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Idaho today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Idaho Airfare

At Expedia.com.au, it’s simple to find cheap flights to Idaho that won’t cause your wallet to flinch. Browse through our inventory of Idaho flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Idaho Flights

Travel information

Idaho Flights Information

Airlines serving
Delta, United, Jetstar, Qantas Airways, EVA Airways, American Airlines
Roundtrip price
from AU$1,485
Idaho Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.