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Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho Falls from $96

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 1/8. 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 Phoenix Sky Harbor Intl Airport to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:43 pm - 3:49 pmPHX-IDA
20h 06m1 stop
Multiple Airlines Logo
8:16 pm - 1:47 pmIDA-PHX
17h 31m1 stop
$185Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 12
Multiple Airlines Logo
7:43 pm - 1:16 pmPHX-IDA
17h 33m1 stop
Multiple Airlines Logo
8:16 pm - 1:47 pmIDA-PHX
17h 31m1 stop
$186Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Multiple Airlines Logo
7:43 pm - 1:16 pmPHX-IDA
17h 33m1 stop
Multiple Airlines Logo
4:39 pm - 8:48 amIDA-PHX
16h 09m1 stop
$188Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 14
Multiple Airlines Logo
4:30 pm - 2:36 pmPHX-IDA
22h 06m1 stop
Multiple Airlines Logo
8:16 pm - 1:47 pmIDA-PHX
17h 31m1 stop
$208Multiple Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12
Multiple Airlines Logo
4:30 pm - 2:36 pmPHX-IDA
22h 06m1 stop
Multiple Airlines Logo
4:39 pm - 8:48 amIDA-PHX
16h 09m1 stop
$209Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
7:43 pm - 3:49 pmPHX-IDA
20h 06m1 stop
Multiple Airlines Logo
8:16 pm - 8:06 amIDA-PHX
11h 50m2 stops
$214Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 12
Multiple Airlines Logo
7:43 pm - 1:16 pmPHX-IDA
17h 33m1 stop
Multiple Airlines Logo
8:16 pm - 8:06 amIDA-PHX
11h 50m2 stops
$216Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Multiple Airlines Logo
7:43 pm - 3:49 pmPHX-IDA
20h 06m1 stop
Multiple Airlines Logo
8:16 pm - 1:15 pmIDA-PHX
16h 59m2 stops
$236Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 15
Multiple Airlines Logo
7:43 pm - 1:16 pmPHX-IDA
17h 33m1 stop
Multiple Airlines Logo
8:16 pm - 1:15 pmIDA-PHX
16h 59m2 stops
$237Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 15
Multiple Airlines Logo
4:30 pm - 2:36 pmPHX-IDA
22h 06m1 stop
Multiple Airlines Logo
8:16 pm - 1:15 pmIDA-PHX
16h 59m2 stops
$258Multiple Airlines
Find Deal
Sun, Dec 7 - Mon, Dec 15

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
Dec 2
PHX8:28 pmPhoenix Sky Harbor Intl
2h 06m
IDA10:34 pmIdaho Falls Fanning Field
Dec 5
IDA7:00 amIdaho Falls Fanning Field
2h 20m
PHX9:20 amPhoenix Sky Harbor Intl
$351
Find similar
American Airlines
May 5
PHX6:50 pmPhoenix Sky Harbor Intl
2h 06m
IDA9:56 pmIdaho Falls Fanning Field
May 6
IDA8:24 amIdaho Falls Fanning Field
2h 15m
PHX9:39 amPhoenix Sky Harbor Intl
$361
Find similar
American Airlines
Dec 20
PHX8:07 pmPhoenix Sky Harbor Intl
2h 14m
IDA10:21 pmIdaho Falls Fanning Field
Dec 21
IDA7:00 amIdaho Falls Fanning Field
2h 21m
PHX9:21 amPhoenix Sky Harbor Intl
$386
Find similar

Delta flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets
Delta
Dec 6
PHX12:12 pmPhoenix Sky Harbor Intl
10h 25m
2 stops
IDA10:37 pmIdaho Falls Fanning Field
Dec 13
IDA6:00 amIdaho Falls Fanning Field
9h 45m
2 stops
PHX3:45 pmPhoenix Sky Harbor Intl
$284
Find similar
Delta
Dec 6
PHX12:12 pmPhoenix Sky Harbor Intl
10h 25m
2 stops
IDA10:37 pmIdaho Falls Fanning Field
Dec 11
IDA1:17 pmIdaho Falls Fanning Field
10h 34m
2 stops
PHX11:51 pmPhoenix Sky Harbor Intl
$294
Find similar
Delta
Dec 4
PHX12:12 pmPhoenix Sky Harbor Intl
10h 09m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Dec 12
IDA7:06 pmIdaho Falls Fanning Field
16h 01m
2 stops
PHX11:07 amPhoenix Sky Harbor Intl
$304
Find similar

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 November 13, 2025.
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

Wed 12/3

7:43 pm-3:49 pm

1 stop20h 06m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-1:47 pm

1 stop17h 31m

$185

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

7:43 pm-1:16 pm

1 stop17h 33m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-1:47 pm

1 stop17h 31m

$186

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

7:43 pm-1:16 pm

1 stop17h 33m

Idaho Falls Fanning Field

Sun 12/14

4:39 pm-8:48 am

1 stop16h 09m

$188

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 12/7

4:30 pm-2:36 pm

1 stop22h 06m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-1:47 pm

1 stop17h 31m

$208

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 12/7

4:30 pm-2:36 pm

1 stop22h 06m

Idaho Falls Fanning Field

Sun 12/14

4:39 pm-8:48 am

1 stop16h 09m

$209

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 12/3

7:43 pm-3:49 pm

1 stop20h 06m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-8:06 am

2 stops11h 50m

$214

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

7:43 pm-1:16 pm

1 stop17h 33m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-8:06 am

2 stops11h 50m

$216

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 12/3

7:43 pm-3:49 pm

1 stop20h 06m

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-1:15 pm

2 stops16h 59m

$236

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

7:43 pm-1:16 pm

1 stop17h 33m

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-1:15 pm

2 stops16h 59m

$237

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 12/7

4:30 pm-2:36 pm

1 stop22h 06m

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-1:15 pm

2 stops16h 59m

$258

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 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 $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 Phoenix Sky Harbor Intl Airport 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 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.

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

As of November 2025, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 81% 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

Best Price Found

$291

Fastest flight time

2h 06m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Idaho Falls

1 airport
The best flight deal from Phoenix Sky Harbor Intl Airport to Idaho Falls found on momondo in the last 72 hours is $291
The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho Falls takes 2h 06m
Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho Falls on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Idaho Falls: 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 06m.

  • 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
United AirlinesPriceFrom $247Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,007 reviews
Search Delta 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 7 times per week, with 11,051 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 $386 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.

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