Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Idaho Falls to Phoenix from $79

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 6/8. 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

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 Idaho Falls to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:45 pm - 11:42 pm
IDA
-
PHX
5h 57m
1 stop
Delta Logo
5:20 pm - 10:19 pm
PHX
-
IDA
3h 59m
1 stop
$191Delta
pá, říjen 23 - po, říjen 26
Delta Logo
6:54 pm - 11:29 pm
IDA
-
PHX
5h 35m
1 stop
Delta Logo
6:05 am - 10:47 am
PHX
-
IDA
3h 42m
1 stop
$205Delta
čt, květen 28 - po, červen 1
Delta Logo
3:16 pm - 6:05 pm
IDA
-
PHX
3h 49m
1 stop
Delta Logo
9:33 am - 2:34 pm
PHX
-
IDA
4h 01m
1 stop
$219Delta
út, květen 26 - st, květen 27
Delta Logo
6:54 pm - 11:29 pm
IDA
-
PHX
5h 35m
1 stop
Delta Logo
5:16 pm - 10:42 pm
PHX
-
IDA
4h 26m
1 stop
$263Delta
po, květen 25 - so, květen 30
Alaska Airlines Logo
4:14 pm - 8:46 pm
IDA
-
PHX
5h 32m
1 stop
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
$324Alaska Airlines
st, září 2 - so, září 5
Alaska Airlines Logo
4:14 pm - 8:46 pm
IDA
-
PHX
5h 32m
1 stop
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
$339Alaska Airlines
út, září 1 - so, září 5
Alaska Airlines Logo
4:14 pm - 10:31 pm
IDA
-
PHX
7h 17m
2 stops
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
$348Alaska Airlines
st, září 2 - so, září 5
Alaska Airlines Logo
4:14 pm - 8:46 pm
IDA
-
PHX
5h 32m
1 stop
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
$361Alaska Airlines
st, září 2 - st, září 9
Alaska Airlines Logo
4:14 pm - 8:46 pm
IDA
-
PHX
5h 32m
1 stop
Alaska Airlines Logo
7:00 am - 1:06 pm
PHX
-
IDA
5h 06m
1 stop
$364Alaska Airlines
st, září 2 - pá, září 4
Multiple Airlines Logo
11:37 am - 3:14 pm
IDA
-
PHX
4h 37m
1 stop
Multiple Airlines Logo
7:45 am - 4:43 pm
PHX
-
IDA
7h 58m
2 stops
$369Multiple Airlines
pá, srpen 21 - po, srpen 24

Delta flights from Idaho Falls to Phoenix Sky Harbor Intl Airport

Our best Delta deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
Delta
Oct 23
IDA6:45 pmIdaho Falls Fanning Field
5h 57m
1 stop
PHX11:42 pmPhoenix Sky Harbor Intl
Oct 26
PHX5:20 pmPhoenix Sky Harbor Intl
3h 59m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
$191
Delta
May 28
IDA6:54 pmIdaho Falls Fanning Field
5h 35m
1 stop
PHX11:29 pmPhoenix Sky Harbor Intl
Jun 1
PHX6:05 amPhoenix Sky Harbor Intl
3h 42m
1 stop
IDA10:47 amIdaho Falls Fanning Field
$205
Delta
May 26
IDA3:16 pmIdaho Falls Fanning Field
3h 49m
1 stop
PHX6:05 pmPhoenix Sky Harbor Intl
May 27
PHX9:33 amPhoenix Sky Harbor Intl
4h 01m
1 stop
IDA2:34 pmIdaho Falls Fanning Field
$219

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
Sep 2
IDA4:14 pmIdaho Falls Fanning Field
5h 32m
1 stop
PHX8:46 pmPhoenix Sky Harbor Intl
Sep 5
PHX7:00 amPhoenix Sky Harbor Intl
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
$324
Alaska Airlines
Sep 1
IDA4:14 pmIdaho Falls Fanning Field
5h 32m
1 stop
PHX8:46 pmPhoenix Sky Harbor Intl
Sep 5
PHX7:00 amPhoenix Sky Harbor Intl
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
$339
Alaska Airlines
Sep 2
IDA4:14 pmIdaho Falls Fanning Field
7h 17m
2 stops
PHX10:31 pmPhoenix Sky Harbor Intl
Sep 5
PHX7:00 amPhoenix Sky Harbor Intl
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
$348

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 květen 15, 2026.
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

Cheapest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

pá 10/23

6:45 pm-11:42 pm

1 stop5h 57m

Phoenix Sky Harbor Intl

po 10/26

5:20 pm-10:19 pm

1 stop3h 59m

$191

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

čt 5/28

6:54 pm-11:29 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

po 6/1

6:05 am-10:47 am

1 stop3h 42m

$205
Quickest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

út 5/26

3:16 pm-6:05 pm

1 stop3h 49m

Phoenix Sky Harbor Intl

st 5/27

9:33 am-2:34 pm

1 stop4h 01m

$219

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

po 5/25

6:54 pm-11:29 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

so 5/30

5:16 pm-10:42 pm

1 stop4h 26m

$263

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

st 9/2

4:14 pm-8:46 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

so 9/5

7:00 am-1:06 pm

1 stop5h 06m

$324

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

út 9/1

4:14 pm-8:46 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

so 9/5

7:00 am-1:06 pm

1 stop5h 06m

$339

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

st 9/2

4:14 pm-10:31 pm

2 stops7h 17m

Phoenix Sky Harbor Intl

so 9/5

7:00 am-1:06 pm

1 stop5h 06m

$348

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

st 9/2

4:14 pm-8:46 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

st 9/9

7:00 am-1:06 pm

1 stop5h 06m

$361

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

st 9/2

4:14 pm-8:46 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

pá 9/4

7:00 am-1:06 pm

1 stop5h 06m

$364

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

pá 8/21

11:37 am-3:14 pm

1 stop4h 37m

Phoenix Sky Harbor Intl

po 8/24

7:45 am-4:43 pm

2 stops7h 58m

$369

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Phoenix from

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 typical price of a round-trip flight between Idaho Falls and Phoenix Sky Harbor Intl Airport?

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 $215. 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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $515. 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 Friday because tickets tend to average around $612. 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 $184. 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 $521. 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

Can stopping save me money on Idaho Falls to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 33% 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 May 2026, prices for Idaho Falls to Phoenix Sky Harbor Intl Airport flights are approximately 126% 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

$240

Fastest flight time

2h 17m

Direct flights

Mon, Sat and Sun
The best one-way flight to Phoenix Sky Harbor Intl Airport from Idaho Falls in the past 72 hours is $240. The best round-trip flight deal from Idaho Falls to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $538.
The fastest flight from Idaho Falls to Phoenix Sky Harbor Intl Airport takes 2h 17m
Direct flights go from Idaho Falls to Phoenix Sky Harbor Intl Airport on Monday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

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

  • 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 17m.

  • 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
7.3
709 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
American AirlinesPriceFrom $291Free CancellationRating
7.1
11,665 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,455 reviews
Search Delta flights

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

    American Airlines flies from Idaho Falls to Phoenix Sky Harbor Intl Airport around 8 times per week, with 11,666 momondo users rating the airline 7.1/10. The cheapest American Airlines deal from Idaho Falls to Phoenix Sky Harbor Intl Airport in the last 72 hours was $291 (round-trip), much lower than the average airfare cost of $411 for American Airlines flights on this route.

Traveling to a place near Phoenix?

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

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
ne 6/14
ne 6/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Phoenix