Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho Falls from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Idaho Falls departing on 2/26. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:58 pm - 9:41 pm
PHX
-
IDA
5h 43m
1 stop
Multiple Airlines Logo
10:31 pm - 1:55 pm
IDA
-
PHX
15h 24m
1 stop
$204Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
3:58 pm - 9:41 pm
PHX
-
IDA
5h 43m
1 stop
Multiple Airlines Logo
10:31 pm - 7:08 pm
IDA
-
PHX
20h 37m
2 stops
$230Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Hawaiian Airlines Logo
7:00 am - 11:36 pm
PHX
-
IDA
16h 36m
1 stop
Hawaiian Airlines Logo
5:20 pm - 10:55 pm
IDA
-
PHX
5h 35m
1 stop
$264Hawaiian Airlines
Thu, Mar 5 - Sat, Mar 7
Alaska Airlines Logo
12:28 pm - 11:36 pm
PHX
-
IDA
11h 08m
2 stops
Alaska Airlines Logo
5:20 pm - 10:55 pm
IDA
-
PHX
5h 35m
1 stop
$317Alaska Airlines
Thu, Mar 5 - Sat, Mar 7
Alaska Airlines Logo
7:52 pm - 3:31 pm
PHX
-
IDA
18h 39m
1 stop
Alaska Airlines Logo
4:08 pm - 9:52 am
IDA
-
PHX
18h 44m
1 stop
$331Alaska Airlines
Tue, Jun 2 - Tue, Jun 9
Alaska Airlines Logo
5:00 am - 4:43 pm
PHX
-
IDA
10h 43m
1 stop
Alaska Airlines Logo
6:00 am - 12:52 pm
IDA
-
PHX
7h 52m
1 stop
$341Alaska Airlines
Tue, Mar 10 - Sun, Mar 29
Alaska Airlines Logo
10:51 am - 4:43 pm
PHX
-
IDA
5h 52m
1 stop
Alaska Airlines Logo
5:20 pm - 11:40 am
IDA
-
PHX
18h 20m
2 stops
$344Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
Alaska Airlines Logo
5:00 am - 3:29 pm
PHX
-
IDA
9h 29m
1 stop
Alaska Airlines Logo
6:00 am - 5:09 pm
IDA
-
PHX
12h 09m
2 stops
$349Alaska Airlines
Fri, May 8 - Sat, May 16
Alaska Airlines Logo
8:20 am - 4:43 pm
PHX
-
IDA
8h 23m
1 stop
Alaska Airlines Logo
5:20 pm - 11:59 pm
IDA
-
PHX
6h 39m
1 stop
$351Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
9:13 pm - 11:24 pm
PHX
-
IDA
2h 11mnonstop
American Airlines Logo
6:18 am - 8:45 am
IDA
-
PHX
2h 27mnonstop
$353American Airlines
Thu, Mar 5 - Sat, Mar 7

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets
Alaska Airlines
Mar 5
PHX12:28 pmPhoenix Sky Harbor Intl
11h 08m
2 stops
IDA11:36 pmIdaho Falls Fanning Field
Mar 7
IDA5:20 pmIdaho Falls Fanning Field
5h 35m
1 stop
PHX10:55 pmPhoenix Sky Harbor Intl
$317
Alaska Airlines
Jun 2
PHX7:52 pmPhoenix Sky Harbor Intl
18h 39m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
Jun 9
IDA4:08 pmIdaho Falls Fanning Field
18h 44m
1 stop
PHX9:52 amPhoenix Sky Harbor Intl
$331
Alaska Airlines
Mar 10
PHX5:00 amPhoenix Sky Harbor Intl
10h 43m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 29
IDA6:00 amIdaho Falls Fanning Field
7h 52m
1 stop
PHX12:52 pmPhoenix Sky Harbor Intl
$341

American Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets
American Airlines
Mar 5
PHX9:13 pmPhoenix Sky Harbor Intl
2h 11m
IDA11:24 pmIdaho Falls Fanning Field
Mar 7
IDA6:18 amIdaho Falls Fanning Field
2h 27m
PHX8:45 amPhoenix Sky Harbor Intl
$353
American Airlines
Feb 14
PHX9:13 pmPhoenix Sky Harbor Intl
2h 11m
IDA11:24 pmIdaho Falls Fanning Field
Feb 16
IDA6:03 amIdaho Falls Fanning Field
2h 27m
PHX8:30 amPhoenix Sky Harbor Intl
$401
American Airlines
Mar 5
PHX9:13 pmPhoenix Sky Harbor Intl
2h 11m
IDA11:24 pmIdaho Falls Fanning Field
Mar 8
IDA6:05 amIdaho Falls Fanning Field
2h 27m
PHX7:32 amPhoenix Sky Harbor Intl
$411

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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 January 29, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 2/20

3:58 pm-9:41 pm

1 stop5h 43m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-1:55 pm

1 stop15h 24m

$204

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 2/20

3:58 pm-9:41 pm

1 stop5h 43m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-7:08 pm

2 stops20h 37m

$230

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 3/5

7:00 am-11:36 pm

1 stop16h 36m

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-10:55 pm

1 stop5h 35m

$264

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 3/5

12:28 pm-11:36 pm

2 stops11h 08m

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-10:55 pm

1 stop5h 35m

$317

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 6/2

7:52 pm-3:31 pm

1 stop18h 39m

Idaho Falls Fanning Field

Tue 6/9

4:08 pm-9:52 am

1 stop18h 44m

$331

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 3/10

5:00 am-4:43 pm

1 stop10h 43m

Idaho Falls Fanning Field

Sun 3/29

6:00 am-12:52 pm

1 stop7h 52m

$341

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 2/26

10:51 am-4:43 pm

1 stop5h 52m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:40 am

2 stops18h 20m

$344

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 5/8

5:00 am-3:29 pm

1 stop9h 29m

Idaho Falls Fanning Field

Sat 5/16

6:00 am-5:09 pm

2 stops12h 09m

$349

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 2/26

8:20 am-4:43 pm

1 stop8h 23m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:59 pm

1 stop6h 39m

$351

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 3/5

9:13 pm-11:24 pm

Nonstop2h 11m

Idaho Falls Fanning Field

Sat 3/7

6:18 am-8:45 am

Nonstop2h 27m

$353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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 at noon. Flights from Phoenix Sky Harbor Intl Airport 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 $411. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flight route?

Fly from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field for the best Phoenix Sky Harbor Intl - Idaho Falls Fanning Field flight prices

What cabin class options are available on Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flights?

There is only 1 cabin class available to choose from on Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Idaho Falls flights?

You could potentially save up to 33% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Idaho Falls flight.

How have Phoenix Sky Harbor Intl Airport to Idaho Falls flight prices changed over time?

As of January 2026, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Idaho Falls (PHX to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Idaho Falls

Fastest flight time

2h 07m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Idaho Falls

1 airport
The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho Falls takes 2h 07m
Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho Falls on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
There is 1 airport in Idaho Falls. From Phoenix Sky Harbor Intl Airport there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Idaho Falls Fanning Field by plane?

    A flight from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field will travel around 692.6 mi. By plane, this route typically takes 2h 07m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport.

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

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Idaho Falls?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Idaho Falls?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Idaho Falls

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $220Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights

  • American Airlines Flights From Phoenix Sky Harbor Intl Airport to Idaho Falls

    American Airlines flies from Phoenix Sky Harbor Intl Airport to Idaho Falls around 3 times per week, with 11,205 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Phoenix Sky Harbor Intl Airport to Idaho Falls in the last 72 hours was $248 (round-trip), much lower than the average airfare cost of $361 for American Airlines flights on this route.

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 Phoenix to Idaho Falls?

Finding the right flight to Idaho Falls from Phoenix 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 Idaho Falls quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Phoenix to Idaho Falls flights to just show those with flexible booking policies.

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

Once you have performed a search for Phoenix to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from Phoenix and alert you when they change.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States