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Cheap flights from Arizona to Idaho Falls from $49

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 4/13. 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 Arizona to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:42 pm - 3:27 pm
LAS
-
IDA
1h 45mnonstop
Allegiant Air Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
$97Allegiant Air
Fri, May 1 - Fri, May 15
Allegiant Air Logo
12:42 pm - 3:27 pm
LAS
-
IDA
1h 45mnonstop
Allegiant Air Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
$111Allegiant Air
Fri, Apr 10 - Mon, Apr 20
Multiple Airlines Logo
12:50 pm - 9:31 pm
LAS
-
IDA
7h 41m
1 stop
Multiple Airlines Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
$157Multiple Airlines
Fri, Apr 10 - Mon, Apr 20
Multiple Airlines Logo
4:50 pm - 9:31 pm
LAS
-
IDA
27h 41m
1 stop
Multiple Airlines Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
$171Multiple Airlines
Thu, Apr 30 - Mon, May 4
Alaska Airlines Logo
7:59 pm - 3:26 pm
PHX
-
IDA
18h 27m
1 stop
Alaska Airlines Logo
1:54 pm - 8:58 pm
IDA
-
PHX
8h 04m
1 stop
$337Alaska Airlines
Tue, May 12 - Tue, May 19
Alaska Airlines Logo
7:15 pm - 3:26 pm
PHX
-
IDA
19h 11m
2 stops
Alaska Airlines Logo
1:54 pm - 8:58 pm
IDA
-
PHX
8h 04m
1 stop
$362Alaska Airlines
Tue, May 12 - Tue, May 19
American Airlines Logo
5:05 pm - 11:39 pm
TUS
-
IDA
5h 34m
1 stop
American Airlines Logo
7:48 am - 1:11 pm
IDA
-
TUS
6h 23m
1 stop
$385American Airlines
Mon, Apr 27 - Mon, May 4
American Airlines Logo
5:05 pm - 11:39 pm
TUS
-
IDA
5h 34m
1 stop
American Airlines Logo
7:48 am - 11:37 am
IDA
-
TUS
4h 49m
1 stop
$394American Airlines
Tue, Apr 14 - Tue, Apr 21
Delta Logo
4:52 pm - 10:42 pm
TUS
-
IDA
4h 50m
1 stop
Delta Logo
3:16 pm - 8:47 pm
IDA
-
TUS
6h 31m
2 stops
$444Delta
Tue, May 12 - Tue, May 19
Delta Logo
7:10 am - 2:34 pm
TUS
-
IDA
6h 24m
1 stop
Delta Logo
3:16 pm - 8:47 pm
IDA
-
TUS
6h 31m
2 stops
$449Delta
Thu, May 28 - Wed, Jun 3

Allegiant Air flights from Arizona to Idaho Falls

Our best Allegiant Air deals on Arizona to Idaho Falls flight tickets
Allegiant Air
May 1
LAS12:42 pmLas Vegas Harry Reid Intl
1h 45m
IDA3:27 pmIdaho Falls Fanning Field
May 15
IDA10:21 pmIdaho Falls Fanning Field
1h 41m
LAS11:02 pmLas Vegas Harry Reid Intl
$97
Allegiant Air
Apr 10
LAS12:42 pmLas Vegas Harry Reid Intl
1h 45m
IDA3:27 pmIdaho Falls Fanning Field
Apr 20
IDA10:21 pmIdaho Falls Fanning Field
1h 41m
LAS11:02 pmLas Vegas Harry Reid Intl
$111
Allegiant Air
Apr 10
LAS12:42 pmLas Vegas Harry Reid Intl
1h 45m
IDA3:27 pmIdaho Falls Fanning Field
Apr 13
IDA10:21 pmIdaho Falls Fanning Field
1h 41m
LAS11:02 pmLas Vegas Harry Reid Intl
$124

United Airlines flights from Arizona to Idaho Falls

Our best United Airlines deals on Arizona to Idaho Falls flight tickets
United Airlines
May 1
LAS10:10 amLas Vegas Harry Reid Intl
4h 33m
1 stop
IDA3:43 pmIdaho Falls Fanning Field
May 5
IDA10:40 amIdaho Falls Fanning Field
7h 38m
1 stop
LAS5:18 pmLas Vegas Harry Reid Intl
$315
United Airlines
Jul 11
PHX6:00 amPhoenix Sky Harbor Intl
6h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Jul 18
IDA4:10 pmIdaho Falls Fanning Field
5h 22m
1 stop
PHX8:32 pmPhoenix Sky Harbor Intl
$395
United Airlines
Jul 22
PHX6:00 amPhoenix Sky Harbor Intl
6h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Jul 29
IDA5:54 pmIdaho Falls Fanning Field
5h 05m
1 stop
PHX9:59 pmPhoenix Sky Harbor Intl
$409

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 April 2, 2026.
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

Cheapest round-trip
Quickest round-trip

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 5/1

12:42 pm-3:27 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Fri 5/15

10:21 pm-11:02 pm

Nonstop1h 41m

$97

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 4/10

12:42 pm-3:27 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 4/20

10:21 pm-11:02 pm

Nonstop1h 41m

$111

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 4/10

12:50 pm-9:31 pm

1 stop7h 41m

Idaho Falls Fanning Field

Mon 4/20

10:21 pm-11:02 pm

Nonstop1h 41m

$157

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 4/30

4:50 pm-9:31 pm

1 stop27h 41m

Idaho Falls Fanning Field

Mon 5/4

10:21 pm-11:02 pm

Nonstop1h 41m

$171

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 5/12

7:59 pm-3:26 pm

1 stop18h 27m

Idaho Falls Fanning Field

Tue 5/19

1:54 pm-8:58 pm

1 stop8h 04m

$337

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 5/12

7:15 pm-3:26 pm

2 stops19h 11m

Idaho Falls Fanning Field

Tue 5/19

1:54 pm-8:58 pm

1 stop8h 04m

$362

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Mon 4/27

5:05 pm-11:39 pm

1 stop5h 34m

Idaho Falls Fanning Field

Mon 5/4

7:48 am-1:11 pm

1 stop6h 23m

$385

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Tue 4/14

5:05 pm-11:39 pm

1 stop5h 34m

Idaho Falls Fanning Field

Tue 4/21

7:48 am-11:37 am

1 stop4h 49m

$394

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Tue 5/12

4:52 pm-10:42 pm

1 stop4h 50m

Idaho Falls Fanning Field

Tue 5/19

3:16 pm-8:47 pm

2 stops6h 31m

$444

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Thu 5/28

7:10 am-2:34 pm

1 stop6h 24m

Idaho Falls Fanning Field

Wed 6/3

3:16 pm-8:47 pm

2 stops6h 31m

$449

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 October is also cheap. Prices for this month can be found on momondo for an average of $306.

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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Thursday is $411.

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 at noon. Flights from Arizona to Idaho Falls during this time can be as low as $156. Try not to purchase tickets in the evening because they tend to be around $386. 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 are 2 cabin classes 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

$259

Fastest flight time

1h 45m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Arizona in the past 72 hours is $259. The best round-trip flight deal from Arizona to Idaho Falls found on momondo in the last 72 hours is $246.
The fastest flight from Arizona to Idaho Falls takes 1h 45m
Direct flights go from Arizona to Idaho Falls on Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Allegiant Air and American Airlines.
There is 1 airport in Idaho Falls. From Arizona there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Arizona to Idaho Falls

  • 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 $100Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $220Free CancellationRating
7.9
8,370 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $290Free CancellationRating
7.4
9,533 reviews
Search United Airlines 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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