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Cheap flights from Idaho to Arizona from $39

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
Allegiant Air Logo
10:15 am - 1:00 pm
LAS
-
IDA
1h 45mnonstop
$84Allegiant Air
Mon, May 11 - Fri, May 22
Allegiant Air Logo
4:43 pm - 5:26 pm
IDA
-
LAS
1h 43mnonstop
Allegiant Air Logo
1:22 pm - 4:08 pm
LAS
-
IDA
1h 46mnonstop
$88Allegiant Air
Mon, Jun 1 - Fri, Jun 5
Allegiant Air Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
Allegiant Air Logo
12:42 pm - 3:27 pm
LAS
-
IDA
1h 45mnonstop
$90Allegiant Air
Mon, May 4 - Fri, May 8
Delta Logo
4:15 pm - 10:44 pm
GEG
-
LAS
6h 29m
1 stop
Delta Logo
10:59 am - 6:47 pm
LAS
-
GEG
7h 48m
1 stop
$149Delta
Wed, Jun 10 - Sun, Jun 14
Alaska Airlines Logo
7:53 pm - 8:25 am
GEG
-
LAS
12h 32m
1 stop
Alaska Airlines Logo
10:08 am - 11:59 pm
LAS
-
GEG
13h 51m
1 stop
$154Alaska Airlines
Tue, Apr 14 - Thu, Apr 16
Alaska Airlines Logo
7:19 am - 4:07 pm
GEG
-
LAS
8h 48m
1 stop
Alaska Airlines Logo
9:43 pm - 11:37 am
LAS
-
GEG
13h 54m
1 stop
$159Alaska Airlines
Sun, Apr 12 - Wed, Apr 15
Southwest Logo
6:00 am - 9:45 am
BOI
-
PHX
4h 45m
1 stop
Southwest Logo
8:25 pm - 11:30 pm
PHX
-
BOI
2h 05mnonstop
$177Southwest
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
2:00 pm - 7:35 pm
BOI
-
PHX
6h 35m
2 stops
Southwest Logo
10:15 am - 1:20 pm
PHX
-
BOI
2h 05mnonstop
$182Southwest
Tue, Apr 21 - Tue, Apr 28
Delta Logo
5:10 pm - 9:31 pm
GEG
-
TUS
4h 21m
1 stop
Delta Logo
4:56 pm - 11:34 pm
TUS
-
GEG
6h 38m
1 stop
$311Delta
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
6:34 am - 1:44 pm
GEG
-
TUS
7h 10m
1 stop
American Airlines Logo
5:07 pm - 11:09 pm
TUS
-
GEG
6h 02m
1 stop
$317American Airlines
Tue, May 12 - Wed, May 20

Allegiant Air flights from Idaho to Arizona

Our best Allegiant Air deals on Idaho to Arizona flight tickets
Allegiant Air
May 11
IDA10:21 pmIdaho Falls Fanning Field
1h 41m
LAS11:02 pmLas Vegas Harry Reid Intl
May 22
LAS10:15 amLas Vegas Harry Reid Intl
1h 45m
IDA1:00 pmIdaho Falls Fanning Field
$84
Allegiant Air
Jun 1
IDA4:43 pmIdaho Falls Fanning Field
1h 43m
LAS5:26 pmLas Vegas Harry Reid Intl
Jun 5
LAS1:22 pmLas Vegas Harry Reid Intl
1h 46m
IDA4:08 pmIdaho Falls Fanning Field
$88
Allegiant Air
May 4
IDA10:21 pmIdaho Falls Fanning Field
1h 41m
LAS11:02 pmLas Vegas Harry Reid Intl
May 8
LAS12:42 pmLas Vegas Harry Reid Intl
1h 45m
IDA3:27 pmIdaho Falls Fanning Field
$90

Hawaiian Airlines flights from Idaho to Arizona

Our best Hawaiian Airlines deals on Idaho to Arizona flight tickets
Hawaiian Airlines
Apr 18
BOI7:20 amBoise Air Term. Gowen Fld
2h 05m
LAS8:25 amLas Vegas Harry Reid Intl
Apr 21
LAS7:59 pmLas Vegas Harry Reid Intl
1h 53m
BOI10:52 pmBoise Air Term. Gowen Fld
$196
Hawaiian Airlines
Apr 17
BOI7:20 amBoise Air Term. Gowen Fld
2h 05m
LAS8:25 amLas Vegas Harry Reid Intl
Apr 20
LAS8:11 pmLas Vegas Harry Reid Intl
1h 53m
BOI11:04 pmBoise Air Term. Gowen Fld
$206
Hawaiian Airlines
Apr 17
BOI7:20 amBoise Air Term. Gowen Fld
2h 05m
LAS8:25 amLas Vegas Harry Reid Intl
Apr 20
LAS8:11 pmLas Vegas Harry Reid Intl
1h 53m
BOI11:04 pmBoise Air Term. Gowen Fld
$210

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 March 23, 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

Cheapest round-trip
Quickest round-trip

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 5/11

10:21 pm-11:02 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Fri 5/22

10:15 am-1:00 pm

Nonstop1h 45m

$84

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 6/1

4:43 pm-5:26 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 6/5

1:22 pm-4:08 pm

Nonstop1h 46m

$88

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 5/4

10:21 pm-11:02 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Fri 5/8

12:42 pm-3:27 pm

Nonstop1h 45m

$90

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Wed 6/10

4:15 pm-10:44 pm

1 stop6h 29m

Las Vegas Harry Reid Intl

Sun 6/14

10:59 am-6:47 pm

1 stop7h 48m

$149

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Tue 4/14

7:53 pm-8:25 am

1 stop12h 32m

Las Vegas Harry Reid Intl

Thu 4/16

10:08 am-11:59 pm

1 stop13h 51m

$154

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 4/12

7:19 am-4:07 pm

1 stop8h 48m

Las Vegas Harry Reid Intl

Wed 4/15

9:43 pm-11:37 am

1 stop13h 54m

$159

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-9:45 am

1 stop4h 45m

Phoenix Sky Harbor Intl

Tue 4/28

8:25 pm-11:30 pm

Nonstop2h 05m

$177

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 4/21

2:00 pm-7:35 pm

2 stops6h 35m

Phoenix Sky Harbor Intl

Tue 4/28

10:15 am-1:20 pm

Nonstop2h 05m

$182

SpokaneTucson

GEG - TUS

GEGTUS

Spokane

Tue 4/14

5:10 pm-9:31 pm

1 stop4h 21m

Tucson

Tue 4/21

4:56 pm-11:34 pm

1 stop6h 38m

$311

SpokaneTucson

GEG - TUS

GEGTUS

Spokane

Tue 5/12

6:34 am-1:44 pm

1 stop7h 10m

Tucson

Wed 5/20

5:07 pm-11:09 pm

1 stop6h 02m

$317

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 $346. 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 $436.

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 $240. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $395 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 Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl 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 $267 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 $214 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

$114

Fastest flight time

1h 35m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Arizona

66 airports
The best one-way flight to Arizona from Idaho in the past 72 hours is $114. The best round-trip flight deal from Idaho to Arizona found on momondo in the last 72 hours is $181.
The fastest flight from Idaho to Arizona takes 1h 35m
Direct flights go from Idaho to Arizona on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
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
7.3
710 reviews
Search Allegiant Air flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,317 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.8
2,840 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,102 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,326 reviews
Search Southwest flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,489 reviews
Search American Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
9,464 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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