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Cheap flights from Arizona to Idaho Falls from $75

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 5/29. 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
11:23 am - 2:19 pm
LAS
-
IDA
1h 56mnonstop
Allegiant Air Logo
9:20 pm - 10:07 pm
IDA
-
LAS
1h 47mnonstop
$92Allegiant Air
Fri, Jan 30 - Mon, Feb 2
Allegiant Air Logo
11:23 am - 2:19 pm
LAS
-
IDA
1h 56mnonstop
Allegiant Air Logo
9:20 pm - 10:07 pm
IDA
-
LAS
1h 47mnonstop
$112Allegiant Air
Mon, Feb 2 - Mon, Feb 2
Allegiant Air Logo
11:23 am - 2:19 pm
LAS
-
IDA
1h 56mnonstop
Allegiant Air Logo
9:20 pm - 10:07 pm
IDA
-
LAS
1h 47mnonstop
$137Allegiant Air
Fri, Jan 30 - Fri, Jan 30
Multiple Airlines Logo
6:00 am - 4:50 pm
LAS
-
IDA
9h 50m1 stop
Multiple Airlines Logo
9:20 pm - 10:07 pm
IDA
-
LAS
1h 47mnonstop
$164Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
11:23 am - 2:19 pm
LAS
-
IDA
1h 56mnonstop
Multiple Airlines Logo
5:34 pm - 5:18 pm
IDA
-
LAS
24h 44m2 stops
$183Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
11:23 am - 2:19 pm
LAS
-
IDA
1h 56mnonstop
Multiple Airlines Logo
3:09 pm - 8:07 pm
IDA
-
LAS
5h 58m1 stop
$189Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
3:58 pm - 10:59 pm
LAS
-
IDA
6h 01m1 stop
Multiple Airlines Logo
9:20 pm - 10:07 pm
IDA
-
LAS
1h 47mnonstop
$193Multiple Airlines
Tue, Jan 27 - Mon, Feb 2
Delta Logo
11:00 am - 10:57 pm
LAS
-
IDA
10h 57m2 stops
Delta Logo
1:15 pm - 10:35 pm
IDA
-
LAS
10h 20m2 stops
$224Delta
Wed, Jan 28 - Tue, Feb 3
Alaska Airlines Logo
6:00 am - 10:59 pm
TUS
-
IDA
16h 59m1 stop
Alaska Airlines Logo
6:58 pm - 11:59 pm
IDA
-
TUS
29h 01m1 stop
$234Alaska Airlines
Thu, Jan 29 - Sat, Jan 31
Alaska Airlines Logo
3:17 pm - 6:18 pm
PHX
-
IDA
27h 01m1 stop
Alaska Airlines Logo
6:58 pm - 10:46 pm
IDA
-
PHX
27h 48m1 stop
$273Alaska Airlines
Thu, Feb 5 - Sat, Feb 7

American Airlines flights from Arizona to Idaho Falls

Our best American Airlines deals on Arizona to Idaho Falls flight tickets
American Airlines
Mar 26
PHX8:08 pmPhoenix Sky Harbor Intl
2h 11m
IDA11:19 pmIdaho Falls Fanning Field
Mar 31
IDA6:20 amIdaho Falls Fanning Field
2h 27m
PHX7:47 amPhoenix Sky Harbor Intl
$351
Find similar
American Airlines
Dec 30
LAS3:45 pmLas Vegas Harry Reid Intl
5h 36m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Jan 1
IDA7:00 amIdaho Falls Fanning Field
5h 44m
1 stop
LAS11:44 amLas Vegas Harry Reid Intl
$421
Find similar
American Airlines
Jan 8
PHX8:28 pmPhoenix Sky Harbor Intl
2h 08m
IDA10:36 pmIdaho Falls Fanning Field
Jan 11
IDA7:20 amIdaho Falls Fanning Field
2h 26m
PHX9:46 amPhoenix Sky Harbor Intl
$436
Find similar

Allegiant Air flights from Arizona to Idaho Falls

Our best Allegiant Air deals on Arizona to Idaho Falls flight tickets
Allegiant Air
Jan 30
LAS11:23 amLas Vegas Harry Reid Intl
1h 56m
IDA2:19 pmIdaho Falls Fanning Field
Feb 2
IDA9:20 pmIdaho Falls Fanning Field
1h 47m
LAS10:07 pmLas Vegas Harry Reid Intl
$92
Find similar
Allegiant Air
Feb 2
LAS11:23 amLas Vegas Harry Reid Intl
1h 56m
IDA2:19 pmIdaho Falls Fanning Field
Feb 2
IDA9:20 pmIdaho Falls Fanning Field
1h 47m
LAS10:07 pmLas Vegas Harry Reid Intl
$112
Find similar
Allegiant Air
Jan 30
LAS11:23 amLas Vegas Harry Reid Intl
1h 56m
IDA2:19 pmIdaho Falls Fanning Field
Jan 30
IDA9:20 pmIdaho Falls Fanning Field
1h 47m
LAS10:07 pmLas Vegas Harry Reid Intl
$137
Find similar

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 December 22, 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 1/30

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-10:07 pm

Nonstop1h 47m

$92

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 2/2

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-10:07 pm

Nonstop1h 47m

$112

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 1/30

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Fri 1/30

9:20 pm-10:07 pm

Nonstop1h 47m

$137

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 1/30

6:00 am-4:50 pm

1 stop9h 50m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-10:07 pm

Nonstop1h 47m

$164

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 1/30

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Mon 2/2

5:34 pm-5:18 pm

2 stops24h 44m

$183

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 1/30

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Mon 2/2

3:09 pm-8:07 pm

1 stop5h 58m

$189

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Tue 1/27

3:58 pm-10:59 pm

1 stop6h 01m

Idaho Falls Fanning Field

Mon 2/2

9:20 pm-10:07 pm

Nonstop1h 47m

$193

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 1/28

11:00 am-10:57 pm

2 stops10h 57m

Idaho Falls Fanning Field

Tue 2/3

1:15 pm-10:35 pm

2 stops10h 20m

$224

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Thu 1/29

6:00 am-10:59 pm

1 stop16h 59m

Idaho Falls Fanning Field

Sat 1/31

6:58 pm-11:59 pm

1 stop29h 01m

$234

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 2/5

3:17 pm-6:18 pm

1 stop27h 01m

Idaho Falls Fanning Field

Sat 2/7

6:58 pm-10:46 pm

1 stop27h 48m

$273

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 $581.

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 $208. Try not to purchase tickets in the evening because they tend to be around $411. 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

Fastest flight time

1h 49m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Idaho Falls

1 airport
The fastest flight from Arizona to Idaho Falls takes 1h 49m
Direct flights go from Arizona to Idaho Falls on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Idaho Falls. From Arizona there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

  • 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
7.2
701 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,014 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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