Cheap flights from Arizona to Idaho Falls from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Idaho Falls departing on 11/17. 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
0 bags

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Find the cheapest flights from Arizona to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:09 pm - 2:55 pmLAS-IDA
1h 46mnonstop
Allegiant Air Logo
6:57 pm - 7:42 pmIDA-LAS
1h 45mnonstop
$114Allegiant Air
Find Deal
Fri, Nov 21 - Fri, Nov 28
Allegiant Air Logo
3:21 pm - 6:07 pmLAS-IDA
1h 46mnonstop
Allegiant Air Logo
7:58 pm - 8:43 pmIDA-LAS
1h 45mnonstop
$119Allegiant Air
Find Deal
Fri, Nov 28 - Mon, Dec 1
Multiple Airlines Logo
11:18 am - 8:53 pmLAS-IDA
8h 35m1 stop
Multiple Airlines Logo
6:57 pm - 7:42 pmIDA-LAS
1h 45mnonstop
$184Multiple Airlines
Find Deal
Fri, Nov 21 - Fri, Nov 28
Multiple Airlines Logo
11:18 am - 8:53 pmLAS-IDA
8h 35m1 stop
Multiple Airlines Logo
6:57 pm - 7:42 pmIDA-LAS
1h 45mnonstop
$209Multiple Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28
Delta Logo
12:12 pm - 10:21 pmPHX-IDA
10h 09m2 stops
Delta Logo
7:06 pm - 11:07 amIDA-PHX
16h 01m2 stops
$275Delta
Find Deal
Thu, Dec 4 - Wed, Dec 10
United Airlines Logo
9:05 am - 3:22 pmLAS-IDA
5h 17m1 stop
United Airlines Logo
5:00 am - 9:15 amIDA-LAS
5h 15m1 stop
$278United Airlines
Find Deal
Fri, Dec 26 - Thu, Jan 1
Alaska Airlines Logo
4:29 pm - 6:18 pmTUS-IDA
25h 49m1 stop
Alaska Airlines Logo
6:58 pm - 11:59 pmIDA-TUS
29h 01m1 stop
$294Alaska Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 11
Alaska Airlines Logo
8:00 am - 3:23 pmTUS-IDA
7h 23m1 stop
Alaska Airlines Logo
4:00 pm - 10:36 pmIDA-TUS
6h 36m1 stop
$308Alaska Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
5:30 pm - 10:52 pmLAS-IDA
4h 22m1 stop
Delta Logo
6:57 pm - 11:59 pmIDA-LAS
6h 02m1 stop
$310Delta
Find Deal
Sat, Dec 20 - Sun, Dec 28
United Airlines Logo
5:30 am - 1:30 pmLAS-IDA
7h 00m1 stop
United Airlines Logo
5:00 am - 9:15 amIDA-LAS
5h 15m1 stop
$331United Airlines
Find Deal
Fri, Dec 19 - Thu, Jan 1

Allegiant Air flights from Arizona to Idaho Falls

Our best Allegiant Air deals on Arizona to Idaho Falls flight tickets
Allegiant Air
Nov 21
LAS12:09 pmLas Vegas Harry Reid Intl
1h 46m
IDA2:55 pmIdaho Falls Fanning Field
Nov 28
IDA6:57 pmIdaho Falls Fanning Field
1h 45m
LAS7:42 pmLas Vegas Harry Reid Intl
Allegiant Air
Nov 21
LAS12:09 pmLas Vegas Harry Reid Intl
1h 46m
IDA2:55 pmIdaho Falls Fanning Field
Nov 28
IDA6:57 pmIdaho Falls Fanning Field
1h 45m
LAS7:42 pmLas Vegas Harry Reid Intl
Allegiant Air
Nov 28
LAS3:21 pmLas Vegas Harry Reid Intl
1h 46m
IDA6:07 pmIdaho Falls Fanning Field
Dec 1
IDA7:58 pmIdaho Falls Fanning Field
1h 45m
LAS8:43 pmLas Vegas Harry Reid Intl

Alaska Airlines flights from Arizona to Idaho Falls

Our best Alaska Airlines deals on Arizona to Idaho Falls flight tickets
Alaska Airlines
Jan 9
TUS4:29 pmTucson
25h 49m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Jan 11
IDA6:58 pmIdaho Falls Fanning Field
29h 01m
1 stop
TUS11:59 pmTucson
Alaska Airlines
Mar 3
TUS8:00 amTucson
7h 23m
1 stop
IDA3:23 pmIdaho Falls Fanning Field
Mar 4
IDA4:00 pmIdaho Falls Fanning Field
6h 36m
1 stop
TUS10:36 pmTucson
Alaska Airlines
Jan 15
PHX9:00 amPhoenix Sky Harbor Intl
9h 18m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Jan 18
IDA6:58 pmIdaho Falls Fanning Field
27h 48m
1 stop
PHX10:46 pmPhoenix Sky Harbor Intl

momondo Fare Finder

 
Customize your flight search to find flights from Arizona to Idaho Falls 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 November 10, 2025.
Use the filters below to find and compare flights from Arizona to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 11/21

12:09 pm-2:55 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-7:42 pm

Nonstop1h 45m

$114

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 11/28

3:21 pm-6:07 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-8:43 pm

Nonstop1h 45m

$119

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 11/21

11:18 am-8:53 pm

1 stop8h 35m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-7:42 pm

Nonstop1h 45m

$184

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 11/24

11:18 am-8:53 pm

1 stop8h 35m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-7:42 pm

Nonstop1h 45m

$209

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

12:12 pm-10:21 pm

2 stops10h 09m

Idaho Falls Fanning Field

Wed 12/10

7:06 pm-11:07 am

2 stops16h 01m

$275

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 12/26

9:05 am-3:22 pm

1 stop5h 17m

Idaho Falls Fanning Field

Thu 1/1

5:00 am-9:15 am

1 stop5h 15m

$278

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Fri 1/9

4:29 pm-6:18 pm

1 stop25h 49m

Idaho Falls Fanning Field

Sun 1/11

6:58 pm-11:59 pm

1 stop29h 01m

$294

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Tue 3/3

8:00 am-3:23 pm

1 stop7h 23m

Idaho Falls Fanning Field

Wed 3/4

4:00 pm-10:36 pm

1 stop6h 36m

$308

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Sat 12/20

5:30 pm-10:52 pm

1 stop4h 22m

Idaho Falls Fanning Field

Sun 12/28

6:57 pm-11:59 pm

1 stop6h 02m

$310

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 12/19

5:30 am-1:30 pm

1 stop7h 00m

Idaho Falls Fanning Field

Thu 1/1

5:00 am-9:15 am

1 stop5h 15m

$331

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 Idaho Falls from

How to get the cheapest flight ticket from Arizona to Idaho Falls

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $321.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $291. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $711.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Arizona to Idaho Falls during this time can be as low as $198. Try not to purchase tickets in the evening because they tend to be around $561. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Arizona to Idaho Falls Fanning Field flight route?

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

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

There is only 1 cabin class available to choose from on Arizona to Idaho Falls Fanning Field 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 Arizona to Idaho Falls flights?

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

Cheap Arizona to Idaho Falls flight deals and tips

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

Best Price Found

$92

Fastest flight time

1h 46m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Arizona in the past 72 hours is $92. The best round-trip flight deal from Arizona to Idaho Falls found on momondo in the last 72 hours is $174.
The fastest flight from Arizona to Idaho Falls takes 1h 46m
Direct flights go from Arizona to Idaho Falls every day.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
  • When did momondo last update prices for flights from Arizona to Idaho Falls Fanning Field Airport?

    Prices for flights from Arizona to Idaho Falls Fanning Field Airport were last updated today.

  • How many operators does momondo search for flights from Arizona to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Arizona to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Arizona to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport 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 Idaho Falls Fanning Field Airport. 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 Arizona to Idaho Falls?

Best airlines flying from Arizona to Idaho Falls

Compare and see reviews for airlines that fly from Arizona to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $107Free CancellationRating
7.2
697 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Arizona.

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

Flights from Arizona to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Arizona and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Arizona to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 12/10
Wed 12/17

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