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Cheap flights from Idaho Falls to Phoenix from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Phoenix departing on 12/15. 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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Cheap round-trip flights

Multiple Airlines Logo
7:40 pm - 10:23 pmIDA-PHX
27h 43m1 stop
Multiple Airlines Logo
5:45 am - 4:14 pmPHX-IDA
9h 29m1 stop
$242Multiple Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
Multiple Airlines Logo
10:57 pm - 11:41 pmIDA-PHX
25h 44m1 stop
Multiple Airlines Logo
5:45 am - 4:14 pmPHX-IDA
9h 29m1 stop
$247Multiple Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
Delta Logo
6:53 pm - 12:38 amIDA-PHX
5h 45m1 stop
Delta Logo
6:22 pm - 10:19 pmPHX-IDA
3h 57m1 stop
$303Delta
Find Deal
Fri, Nov 7 - Mon, Nov 10
Alaska Airlines Logo
3:50 pm - 3:00 pmIDA-PHX
24h 10m2 stops
Alaska Airlines Logo
5:20 am - 3:13 pmPHX-IDA
8h 53m1 stop
$314Alaska Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
American Airlines Logo
7:10 am - 9:30 amIDA-PHX
2h 20mnonstop
American Airlines Logo
8:28 pm - 10:34 pmPHX-IDA
2h 06mnonstop
$331American Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10
Alaska Airlines Logo
8:00 am - 3:21 pmIDA-PHX
7h 21m1 stop
Alaska Airlines Logo
8:04 pm - 10:38 pmPHX-IDA
26h 34m2 stops
$335Alaska Airlines
Find Deal
Tue, Feb 17 - Mon, Feb 23
United Airlines Logo
2:35 pm - 8:12 pmIDA-PHX
6h 37m1 stop
United Airlines Logo
4:35 pm - 10:49 pmPHX-IDA
5h 14m1 stop
$362United Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
Delta Logo
6:53 pm - 10:38 pmIDA-PHX
4h 45m1 stop
Delta Logo
5:00 am - 11:33 amPHX-IDA
6h 33m1 stop
$367Delta
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
7:10 am - 9:30 amIDA-PHX
2h 20mnonstop
American Airlines Logo
8:28 pm - 10:34 pmPHX-IDA
2h 06mnonstop
$379American Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10
United Airlines Logo
9:41 am - 2:52 pmIDA-PHX
6h 11m1 stop
United Airlines Logo
6:00 am - 1:33 pmPHX-IDA
6h 33m1 stop
$387United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18

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

Our best Alaska Airlines deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
Alaska Airlines
Oct 27
IDA3:50 pmIdaho Falls Fanning Field
24h 10m
2 stops
PHX3:00 pmPhoenix Sky Harbor Intl
Oct 29
PHX5:20 amPhoenix Sky Harbor Intl
8h 53m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$314
Find similar
Alaska Airlines
Feb 17
IDA8:00 amIdaho Falls Fanning Field
7h 21m
1 stop
PHX3:21 pmPhoenix Sky Harbor Intl
Feb 23
PHX8:04 pmPhoenix Sky Harbor Intl
26h 34m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
$335
Find similar
Alaska Airlines
Oct 27
IDA3:50 pmIdaho Falls Fanning Field
20h 08m
2 stops
PHX10:58 amPhoenix Sky Harbor Intl
Oct 29
PHX3:15 pmPhoenix Sky Harbor Intl
7h 44m
2 stops
IDA11:59 pmIdaho Falls Fanning Field
$337
Find similar

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

Our best American Airlines deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Nov 7
IDA7:10 amIdaho Falls Fanning Field
2h 20m
PHX9:30 amPhoenix Sky Harbor Intl
Nov 10
PHX8:28 pmPhoenix Sky Harbor Intl
2h 06m
IDA10:34 pmIdaho Falls Fanning Field
$331
Find similar
American Airlines
Nov 7
IDA7:10 amIdaho Falls Fanning Field
2h 20m
PHX9:30 amPhoenix Sky Harbor Intl
Nov 10
PHX8:28 pmPhoenix Sky Harbor Intl
2h 06m
IDA10:34 pmIdaho Falls Fanning Field
$379
Find similar
American Airlines
Feb 17
IDA8:19 amIdaho Falls Fanning Field
2h 20m
PHX10:39 amPhoenix Sky Harbor Intl
Feb 23
PHX7:50 pmPhoenix Sky Harbor Intl
2h 07m
IDA9:57 pmIdaho Falls Fanning Field
$401
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Phoenix Sky Harbor Intl Airport 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 September 21, 2025.
Use the filters below to find and compare flights from Idaho Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 10/6

7:40 pm-10:23 pm

1 stop27h 43m

Phoenix Sky Harbor Intl

Fri 10/10

5:45 am-4:14 pm

1 stop9h 29m

$242

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 10/17

10:57 pm-11:41 pm

1 stop25h 44m

Phoenix Sky Harbor Intl

Fri 10/24

5:45 am-4:14 pm

1 stop9h 29m

$247

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 11/7

6:53 pm-12:38 am

1 stop5h 45m

Phoenix Sky Harbor Intl

Mon 11/10

6:22 pm-10:19 pm

1 stop3h 57m

$303

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 10/27

3:50 pm-3:00 pm

2 stops24h 10m

Phoenix Sky Harbor Intl

Wed 10/29

5:20 am-3:13 pm

1 stop8h 53m

$314

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 11/7

7:10 am-9:30 am

Nonstop2h 20m

Phoenix Sky Harbor Intl

Mon 11/10

8:28 pm-10:34 pm

Nonstop2h 06m

$331

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 2/17

8:00 am-3:21 pm

1 stop7h 21m

Phoenix Sky Harbor Intl

Mon 2/23

8:04 pm-10:38 pm

2 stops26h 34m

$335

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 10/4

2:35 pm-8:12 pm

1 stop6h 37m

Phoenix Sky Harbor Intl

Wed 10/8

4:35 pm-10:49 pm

1 stop5h 14m

$362

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Thu 10/30

6:53 pm-10:38 pm

1 stop4h 45m

Phoenix Sky Harbor Intl

Sun 11/2

5:00 am-11:33 am

1 stop6h 33m

$367

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 11/7

7:10 am-9:30 am

Nonstop2h 20m

Phoenix Sky Harbor Intl

Mon 11/10

8:28 pm-10:34 pm

Nonstop2h 06m

$379

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 10/11

9:41 am-2:52 pm

1 stop6h 11m

Phoenix Sky Harbor Intl

Sat 10/18

6:00 am-1:33 pm

1 stop6h 33m

$387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho Falls to Phoenix Sky Harbor Intl Airport

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 Phoenix Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $298. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Idaho Falls during the month August is also very affordable. Most momondo users find prices during this month for around $324.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Idaho Falls is on a Thursday. momondo users have found tickets for Thursday departures for as low as $571. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $646. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the afternoon is the cheapest time of day to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $178. Flying to Phoenix Sky Harbor Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $573. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 2 cabin classes available to choose from on Idaho Falls Fanning Field to Phoenix Sky Harbor Intl 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 Idaho Falls to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 63% on your flight if you consider stops on a Idaho Falls to Phoenix Sky Harbor Intl Airport flight.

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

As of September 2025, prices for Idaho Falls to Phoenix Sky Harbor Intl Airport flights are approximately 77% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$255

Fastest flight time

2h 20m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Idaho Falls in the past 72 hours is $255. The best round-trip flight deal from Idaho Falls to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $371.
The fastest flight from Idaho Falls to Phoenix Sky Harbor Intl Airport takes 2h 20m
Direct flights go from Idaho Falls to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    A flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl will travel around 692.6 mi. By plane, this route typically takes 2h 20m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from Idaho Falls to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $110Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $293Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
7,971 reviews
Search Delta flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $405Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Goodyear
Apache Junction
Payson
Wickenburg
Avondale
Paradise Valley
Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Phoenix?

It is quick and easy to find Idaho Falls to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

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

Yes. momondo enables you to select and highlight flights to Phoenix from Idaho Falls with this policy.

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

Once all potential Idaho Falls to Phoenix flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Phoenix from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

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