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Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho Falls from $103

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 8/3. 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
1 adult, Economy, 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
7:45 am - 4:00 pm
PHX
-
IDA
7h 15m
1 stop
Multiple Airlines Logo
10:47 pm - 11:05 pm
IDA
-
PHX
25h 18m
1 stop
$252Multiple Airlines
Fri, Jul 17 - Mon, Jul 20
Multiple Airlines Logo
10:27 pm - 8:54 am
PHX
-
IDA
9h 27m
1 stop
Multiple Airlines Logo
8:36 pm - 11:24 am
IDA
-
PHX
15h 48m
1 stop
$273Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
10:27 pm - 8:54 am
PHX
-
IDA
9h 27m
1 stop
Multiple Airlines Logo
8:36 pm - 11:24 am
IDA
-
PHX
15h 48m
1 stop
$274Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
7:45 am - 4:00 pm
PHX
-
IDA
7h 15m
1 stop
Multiple Airlines Logo
10:47 pm - 5:41 pm
IDA
-
PHX
19h 54m
2 stops
$283Multiple Airlines
Fri, Jul 17 - Mon, Jul 20
Multiple Airlines Logo
6:30 am - 4:00 pm
PHX
-
IDA
8h 30m
1 stop
Multiple Airlines Logo
9:33 pm - 10:13 am
IDA
-
PHX
13h 40m
1 stop
$307Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Alaska Airlines Logo
5:48 pm - 1:06 pm
PHX
-
IDA
18h 18m
1 stop
Alaska Airlines Logo
4:14 pm - 8:37 pm
IDA
-
PHX
5h 23m
1 stop
$309Alaska Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
7:45 am - 4:00 pm
PHX
-
IDA
7h 15m
1 stop
Multiple Airlines Logo
10:47 pm - 12:59 pm
IDA
-
PHX
15h 12m
1 stop
$310Multiple Airlines
Fri, Jul 3 - Mon, Jul 6
Multiple Airlines Logo
7:45 am - 4:08 pm
PHX
-
IDA
7h 23m
1 stop
Multiple Airlines Logo
10:56 pm - 12:55 pm
IDA
-
PHX
14h 59m
1 stop
$322Multiple Airlines
Fri, Jun 26 - Mon, Jun 29
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
Alaska Airlines Logo
4:14 pm - 8:37 pm
IDA
-
PHX
5h 23m
1 stop
$324Alaska Airlines
Thu, Jul 9 - Wed, Jul 15
Multiple Airlines Logo
7:45 am - 4:00 pm
PHX
-
IDA
7h 15m
1 stop
Multiple Airlines Logo
10:47 pm - 12:59 pm
IDA
-
PHX
15h 12m
1 stop
$336Multiple Airlines
Fri, Jul 3 - Mon, Jul 6

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
Jul 8
PHX5:48 pmPhoenix Sky Harbor Intl
18h 18m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 15
IDA4:14 pmIdaho Falls Fanning Field
5h 23m
1 stop
PHX8:37 pmPhoenix Sky Harbor Intl
$309
Alaska Airlines
Jul 9
PHX7:00 amPhoenix Sky Harbor Intl
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 15
IDA4:14 pmIdaho Falls Fanning Field
5h 23m
1 stop
PHX8:37 pmPhoenix Sky Harbor Intl
$324
Alaska Airlines
Sep 16
PHX2:29 pmPhoenix Sky Harbor Intl
7h 27m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Sep 23
IDA3:57 pmIdaho Falls Fanning Field
5h 49m
1 stop
PHX8:46 pmPhoenix Sky Harbor Intl
$339

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

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets
United Airlines
Jun 9
PHX6:00 amPhoenix Sky Harbor Intl
6h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Jun 13
IDA2:30 pmIdaho Falls Fanning Field
7h 00m
1 stop
PHX8:30 pmPhoenix Sky Harbor Intl
$410
United Airlines
Jun 6
PHX9:08 amPhoenix Sky Harbor Intl
7h 11m
1 stop
IDA5:19 pmIdaho Falls Fanning Field
Jun 13
IDA2:30 pmIdaho Falls Fanning Field
7h 00m
1 stop
PHX8:30 pmPhoenix Sky Harbor Intl
$414
United Airlines
Jun 16
PHX6:00 amPhoenix Sky Harbor Intl
6h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Jun 22
IDA5:54 pmIdaho Falls Fanning Field
5h 05m
1 stop
PHX9:59 pmPhoenix Sky Harbor Intl
$432

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 June 4, 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

Cheapest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 7/17

7:45 am-4:00 pm

1 stop7h 15m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-11:05 pm

1 stop25h 18m

$252

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 9/3

10:27 pm-8:54 am

1 stop9h 27m

Idaho Falls Fanning Field

Mon 9/7

8:36 pm-11:24 am

1 stop15h 48m

$273

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 9/3

10:27 pm-8:54 am

1 stop9h 27m

Idaho Falls Fanning Field

Mon 9/7

8:36 pm-11:24 am

1 stop15h 48m

$274

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 7/17

7:45 am-4:00 pm

1 stop7h 15m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-5:41 pm

2 stops19h 54m

$283

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 10/9

6:30 am-4:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 10/12

9:33 pm-10:13 am

1 stop13h 40m

$307

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 7/8

5:48 pm-1:06 pm

1 stop18h 18m

Idaho Falls Fanning Field

Wed 7/15

4:14 pm-8:37 pm

1 stop5h 23m

$309

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 7/3

7:45 am-4:00 pm

1 stop7h 15m

Idaho Falls Fanning Field

Mon 7/6

10:47 pm-12:59 pm

1 stop15h 12m

$310

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 6/26

7:45 am-4:08 pm

1 stop7h 23m

Idaho Falls Fanning Field

Mon 6/29

10:56 pm-12:55 pm

1 stop14h 59m

$322
Quickest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 7/9

7:00 am-1:06 pm

1 stop5h 06m

Idaho Falls Fanning Field

Wed 7/15

4:14 pm-8:37 pm

1 stop5h 23m

$324

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 7/3

7:45 am-4:00 pm

1 stop7h 15m

Idaho Falls Fanning Field

Mon 7/6

10:47 pm-12:59 pm

1 stop15h 12m

$336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Phoenix Sky Harbor Intl Airport and Idaho Falls?

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 Phoenix Sky Harbor Intl Airport to Idaho Falls during this time can be as low as $183. 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 Airport to Idaho Falls flights?

There are 2 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport to Idaho Falls 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 25% 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 June 2026, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 73% 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

3h 43m

Direct flights

Mon, Tue, Wed, Sat and Sun

Airports in Idaho Falls

1 airport
The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho Falls takes 3h 43m
Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho Falls on Monday, Tuesday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.
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

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Idaho Falls

  • 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 3h 43m.

  • 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 $190Free CancellationRating
7.8
8,395 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $290Free CancellationRating
7.4
9,773 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 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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