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Cheap flights from Idaho to Arizona from $44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Arizona departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Arizona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
9:17 pm - 11:38 pm
GEG
-
LAS
2h 21mnonstop
Allegiant Air Logo
6:06 pm - 8:30 pm
LAS
-
GEG
2h 24mnonstop
$109Allegiant Air
Sun, Feb 22 - Thu, Feb 26
Allegiant Air Logo
9:21 pm - 11:38 pm
GEG
-
LAS
2h 17mnonstop
Allegiant Air Logo
6:07 pm - 8:31 pm
LAS
-
GEG
2h 24mnonstop
$114Allegiant Air
Sun, Mar 15 - Thu, Mar 26
Southwest Logo
6:00 am - 6:50 am
BOI
-
LAS
1h 50mnonstop
Southwest Logo
3:40 pm - 6:30 pm
LAS
-
BOI
1h 50mnonstop
$147Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
6:05 am - 7:00 am
BOI
-
LAS
1h 55mnonstop
Southwest Logo
9:35 am - 12:25 pm
LAS
-
BOI
1h 50mnonstop
$152Southwest
Wed, Feb 25 - Tue, Mar 3
Alaska Airlines Logo
8:25 am - 9:32 am
BOI
-
LAS
2h 07mnonstop
Alaska Airlines Logo
3:27 pm - 11:30 pm
LAS
-
BOI
7h 03m
1 stop
$167Alaska Airlines
Sun, Mar 1 - Thu, Mar 5
Delta Logo
6:35 pm - 11:22 pm
BOI
-
LAS
5h 47m
1 stop
Delta Logo
1:55 pm - 9:00 pm
LAS
-
BOI
6h 05m
1 stop
$168Delta
Fri, Mar 6 - Tue, Mar 10
Alaska Airlines Logo
6:28 am - 10:55 pm
BOI
-
PHX
16h 27m
1 stop
Alaska Airlines Logo
6:00 am - 11:40 am
PHX
-
BOI
5h 40m
1 stop
$185Alaska Airlines
Mon, Mar 2 - Wed, Mar 4
American Airlines Logo
6:15 am - 2:15 pm
GEG
-
TUS
7h 00m
1 stop
American Airlines Logo
4:53 pm - 11:14 pm
TUS
-
GEG
6h 21m
1 stop
$197American Airlines
Wed, Mar 4 - Wed, Mar 11
Delta Logo
6:15 pm - 9:55 pm
BOI
-
TUS
4h 40m
1 stop
Delta Logo
1:30 pm - 10:04 pm
TUS
-
BOI
7h 34m
1 stop
$197Delta
Tue, Mar 24 - Sat, Mar 28
American Airlines Logo
3:10 pm - 11:05 pm
GEG
-
TUS
6h 55m
1 stop
American Airlines Logo
5:58 pm - 11:14 pm
TUS
-
GEG
6h 16m
1 stop
$245American Airlines
Mon, Mar 2 - Wed, Mar 4

Allegiant Air flights from Idaho to Arizona

Our best Allegiant Air deals on Idaho to Arizona flight tickets
Allegiant Air
Feb 22
GEG9:17 pmSpokane
2h 21m
LAS11:38 pmLas Vegas Harry Reid Intl
Feb 26
LAS6:06 pmLas Vegas Harry Reid Intl
2h 24m
GEG8:30 pmSpokane
$109
Allegiant Air
Mar 1
GEG9:15 pmSpokane
2h 21m
LAS11:36 pmLas Vegas Harry Reid Intl
Mar 12
LAS6:07 pmLas Vegas Harry Reid Intl
2h 24m
GEG8:31 pmSpokane
$113
Allegiant Air
Mar 15
GEG9:21 pmSpokane
2h 17m
LAS11:38 pmLas Vegas Harry Reid Intl
Mar 26
LAS6:07 pmLas Vegas Harry Reid Intl
2h 24m
GEG8:31 pmSpokane
$114

Frontier flights from Idaho to Arizona

Our best Frontier deals on Idaho to Arizona flight tickets
Frontier
Feb 26
GEG12:22 pmSpokane
18h 20m
1 stop
PHX7:42 amPhoenix Sky Harbor Intl
Feb 28
PHX9:22 amPhoenix Sky Harbor Intl
27h 52m
1 stop
GEG12:14 pmSpokane
$149
Frontier
Feb 26
GEG12:22 pmSpokane
7h 03m
1 stop
LAS7:25 pmLas Vegas Harry Reid Intl
Feb 28
LAS3:16 pmLas Vegas Harry Reid Intl
20h 58m
1 stop
GEG12:14 pmSpokane
$150
Frontier
Feb 22
GEG3:11 pmSpokane
8h 33m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
Feb 25
LAS12:59 amLas Vegas Harry Reid Intl
10h 28m
1 stop
GEG11:27 amSpokane
$160

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Arizona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Idaho to Arizona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 2/22

9:17 pm-11:38 pm

Nonstop2h 21m

Las Vegas Harry Reid Intl

Thu 2/26

6:06 pm-8:30 pm

Nonstop2h 24m

$109

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 3/15

9:21 pm-11:38 pm

Nonstop2h 17m

Las Vegas Harry Reid Intl

Thu 3/26

6:07 pm-8:31 pm

Nonstop2h 24m

$114

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 3/7

6:00 am-6:50 am

Nonstop1h 50m

Las Vegas Harry Reid Intl

Tue 3/10

3:40 pm-6:30 pm

Nonstop1h 50m

$147

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 2/25

6:05 am-7:00 am

Nonstop1h 55m

Las Vegas Harry Reid Intl

Tue 3/3

9:35 am-12:25 pm

Nonstop1h 50m

$152

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 3/1

8:25 am-9:32 am

Nonstop2h 07m

Las Vegas Harry Reid Intl

Thu 3/5

3:27 pm-11:30 pm

1 stop7h 03m

$167

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 3/6

6:35 pm-11:22 pm

1 stop5h 47m

Las Vegas Harry Reid Intl

Tue 3/10

1:55 pm-9:00 pm

1 stop6h 05m

$168

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 3/2

6:28 am-10:55 pm

1 stop16h 27m

Phoenix Sky Harbor Intl

Wed 3/4

6:00 am-11:40 am

1 stop5h 40m

$185

SpokaneTucson

GEG - TUS

GEGTUS

Spokane

Wed 3/4

6:15 am-2:15 pm

1 stop7h 00m

Tucson

Wed 3/11

4:53 pm-11:14 pm

1 stop6h 21m

$197

BoiseTucson

BOI - TUS

BOITUS

Boise Air Term. Gowen Fld

Tue 3/24

6:15 pm-9:55 pm

1 stop4h 40m

Tucson

Sat 3/28

1:30 pm-10:04 pm

1 stop7h 34m

$197

SpokaneTucson

GEG - TUS

GEGTUS

Spokane

Mon 3/2

3:10 pm-11:05 pm

1 stop6h 55m

Tucson

Wed 3/4

5:58 pm-11:14 pm

1 stop6h 16m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Arizona from

How to get the cheapest flight ticket from Idaho to Arizona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Arizona?

The month of September is, on average, the cheapest month to fly to Arizona from Idaho, with most prices found around $207. If you aren’t able to travel to Arizona during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $217.

What is the cheapest day to depart on your flight to Arizona?

On average, the least expensive day to fly to Arizona from Idaho is on a Thursday. momondo users have found tickets for Thursday departures for as low as $344. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Arizona is Sunday, with ticket prices averaging around $460.

What is the cheapest time of day to depart on your flight to Arizona?

Our most recent data shows that the best time of day to fly to Arizona is in the evening. Flights from Idaho to Arizona during this time can be as low as $221. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $398 on average. Flights to Arizona from Idaho in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Idaho to Arizona flight route?

Fly from Idaho Falls Fanning Field to Phoenix-Mesa Gateway for the best Idaho - Arizona flight prices

How far in advance should I book a flight to Arizona?

You are more likely to see cheaper flights to Arizona from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Arizona for around $268 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Arizona from Idaho for as low as $232 on momondo.

What cabin class options are available on Idaho to Arizona flights?

There are 4 cabin classes available to choose from on Idaho to Arizona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Arizona flights?

No. A direct flight is the cheapest option for a flight between Idaho to Arizona.

Cheap Idaho to Arizona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Arizona

Best Price Found

$113

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Arizona

66 airports
The best one-way flight to Arizona from Idaho in the past 72 hours is $113. The best round-trip flight deal from Idaho to Arizona found on momondo in the last 72 hours is $110.
The fastest flight from Idaho to Arizona takes 1h 35m
Direct flights go from Idaho to Arizona every day.
There are 66 airports in Arizona. From Idaho there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Idaho to Arizona?

    Prices for flights from Idaho to Arizona refresh daily.

  • How many operators does momondo search for flights from Idaho to Arizona?

  • How old do you have to be to fly from Idaho to Arizona?

    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 layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Arizona.

  • What documentation or ID do you need to fly to Arizona?

    The required travel and health documents for your Arizona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Arizona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Idaho to Arizona?

Best airlines flying from Idaho to Arizona

Compare and see reviews for airlines that fly from Idaho to Arizona with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,158 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $157Free CancellationRating
8.0
11,845 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,278 reviews
Search Southwest flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,244 reviews
Search American Airlines flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
9,242 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Arizona from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Arizona quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Arizona from Idaho which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho to Arizona?

Once all potential Idaho to Arizona 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 from Idaho to Arizona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Arizona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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